https://github.com/torvalds/linux
- HEAD
- refs/heads/arm64-uaccess
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/certifi-2024.7.4
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/idna-3.7
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/requests-2.32.2
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/setuptools-70.0.0
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/urllib3-2.2.2
- refs/heads/master
- 6eaae198076080886b9e7d57f4ae06fa782f90ef
- v6.9-rc7
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Revision | Author | Date | Message | Commit Date |
---|---|---|---|---|
6eaae19 | Linus Torvalds | 23 July 2023, 22:24:10 UTC | Linux 6.5-rc3 | 23 July 2023, 22:24:10 UTC |
3b4e48b | Linus Torvalds | 23 July 2023, 22:19:14 UTC | Merge tag 'trace-v6.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull tracing fixes from Steven Rostedt: - Swapping the ring buffer for snapshotting (for things like irqsoff) can crash if the ring buffer is being resized. Disable swapping when this happens. The missed swap will be reported to the tracer - Report error if the histogram fails to be created due to an error in adding a histogram variable, in event_hist_trigger_parse() - Remove unused declaration of tracing_map_set_field_descr() * tag 'trace-v6.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: tracing/histograms: Return an error if we fail to add histogram to hist_vars list ring-buffer: Do not swap cpu_buffer during resize process tracing: Remove unused extern declaration tracing_map_set_field_descr() | 23 July 2023, 22:19:14 UTC |
12a5336 | Linus Torvalds | 23 July 2023, 21:55:41 UTC | Merge tag 'kbuild-fixes-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - Fix stale help text in gconfig - Support *.S files in compile_commands.json - Flatten KBUILD_CFLAGS - Fix external module builds with Rust so that temporary files are created in the modules directories instead of the kernel tree * tag 'kbuild-fixes-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kbuild: rust: avoid creating temporary files kbuild: flatten KBUILD_CFLAGS gen_compile_commands: add assembly files to compilation database kconfig: gconfig: correct program name in help text kconfig: gconfig: drop the Show Debug Info help text | 23 July 2023, 21:55:41 UTC |
df01b7c | Miguel Ojeda | 23 July 2023, 14:21:28 UTC | kbuild: rust: avoid creating temporary files `rustc` outputs by default the temporary files (i.e. the ones saved by `-Csave-temps`, such as `*.rcgu*` files) in the current working directory when `-o` and `--out-dir` are not given (even if `--emit=x=path` is given, i.e. it does not use those for temporaries). Since out-of-tree modules are compiled from the `linux` tree, `rustc` then tries to create them there, which may not be accessible. Thus pass `--out-dir` explicitly, even if it is just for the temporary files. Similarly, do so for Rust host programs too. Reported-by: Raphael Nestler <raphael.nestler@gmail.com> Closes: https://github.com/Rust-for-Linux/linux/issues/1015 Reported-by: Andrea Righi <andrea.righi@canonical.com> Tested-by: Raphael Nestler <raphael.nestler@gmail.com> # non-hostprogs Tested-by: Andrea Righi <andrea.righi@canonical.com> # non-hostprogs Fixes: 295d8398c67e ("kbuild: specify output names separately for each emission type from rustc") Cc: stable@vger.kernel.org Signed-off-by: Miguel Ojeda <ojeda@kernel.org> Tested-by: Martin Rodriguez Reboredo <yakoyoku@gmail.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> | 23 July 2023, 18:15:31 UTC |
269f4a4 | Linus Torvalds | 23 July 2023, 17:44:38 UTC | Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm Pull kvm fixes from Paolo Bonzini: "ARM: - Avoid pKVM finalization if KVM initialization fails - Add missing BTI instructions in the hypervisor, fixing an early boot failure on BTI systems - Handle MMU notifiers correctly for non hugepage-aligned memslots - Work around a bug in the architecture where hypervisor timer controls have UNKNOWN behavior under nested virt - Disable preemption in kvm_arch_hardware_enable(), fixing a kernel BUG in cpu hotplug resulting from per-CPU accessor sanity checking - Make WFI emulation on GICv4 systems robust w.r.t. preemption, consistently requesting a doorbell interrupt on vcpu_put() - Uphold RES0 sysreg behavior when emulating older PMU versions - Avoid macro expansion when initializing PMU register names, ensuring the tracepoints pretty-print the sysreg s390: - Two fixes for asynchronous destroy x86 fixes will come early next week" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: s390: pv: fix index value of replaced ASCE KVM: s390: pv: simplify shutdown and fix race KVM: arm64: Fix the name of sys_reg_desc related to PMU KVM: arm64: Correctly handle RES0 bits PMEVTYPER<n>_EL0.evtCount KVM: arm64: vgic-v4: Make the doorbell request robust w.r.t preemption KVM: arm64: Add missing BTI instructions KVM: arm64: Correctly handle page aging notifiers for unaligned memslot KVM: arm64: Disable preemption in kvm_arch_hardware_enable() KVM: arm64: Handle kvm_arm_init failure correctly in finalize_pkvm KVM: arm64: timers: Use CNTHCTL_EL2 when setting non-CNTKCTL_EL1 bits | 23 July 2023, 17:44:38 UTC |
15b593b | Linus Torvalds | 23 July 2023, 17:21:49 UTC | Merge tag 'ext4_for_linus-6.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 Pull ext4 fixes from Ted Ts'o: "Bug and regression fixes for 6.5-rc3 for ext4's mballoc and jbd2's checkpoint code" * tag 'ext4_for_linus-6.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: fix rbtree traversal bug in ext4_mb_use_preallocated ext4: fix off by one issue in ext4_mb_choose_next_group_best_avail() ext4: correct inline offset when handling xattrs in inode body jbd2: remove __journal_try_to_free_buffer() jbd2: fix a race when checking checkpoint buffer busy jbd2: Fix wrongly judgement for buffer head removing while doing checkpoint jbd2: remove journal_clean_one_cp_list() jbd2: remove t_checkpoint_io_list jbd2: recheck chechpointing non-dirty buffer | 23 July 2023, 17:21:49 UTC |
8266f53 | Linus Torvalds | 23 July 2023, 17:16:44 UTC | Merge tag '6.5-rc2-smb3-client-fixes-ver2' of git://git.samba.org/sfrench/cifs-2.6 Pull smb client fix from Steve French: "Add minor debugging improvement. The change improves ability to read a network trace to debug problems on encrypted connections which are very common (e.g. using wireshark or tcpdump). That works today with tools like 'smbinfo keys /mnt/file' but requires passing in a filename on the mount (see e.g. [1]), but it often makes more sense to just pass in the mount point path (ie a directory not a filename). So this fix was needed to debug some types of problems (an obvious example is on an encrypted connection failing operations on an empty share or with no files in the root of the directory) - so you can simply pass in the 'smbinfo keys <mntpoint>' and get the information that wireshark needs" Link: https://wiki.samba.org/index.php/Wireshark_Decryption [1] * tag '6.5-rc2-smb3-client-fixes-ver2' of git://git.samba.org/sfrench/cifs-2.6: cifs: update internal module version number for cifs.ko cifs: allow dumping keys for directories too | 23 July 2023, 17:16:44 UTC |
0c18970 | Paolo Bonzini | 23 July 2023, 16:50:30 UTC | Merge tag 'kvm-s390-master-6.5-1' of https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD Two fixes for asynchronous destroy | 23 July 2023, 16:50:30 UTC |
675a15f | Paolo Bonzini | 23 July 2023, 16:50:14 UTC | Merge tag 'kvmarm-fixes-6.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD KVM/arm64 fixes for 6.5, part #1 - Avoid pKVM finalization if KVM initialization fails - Add missing BTI instructions in the hypervisor, fixing an early boot failure on BTI systems - Handle MMU notifiers correctly for non hugepage-aligned memslots - Work around a bug in the architecture where hypervisor timer controls have UNKNOWN behavior under nested virt. - Disable preemption in kvm_arch_hardware_enable(), fixing a kernel BUG in cpu hotplug resulting from per-CPU accessor sanity checking. - Make WFI emulation on GICv4 systems robust w.r.t. preemption, consistently requesting a doorbell interrupt on vcpu_put() - Uphold RES0 sysreg behavior when emulating older PMU versions - Avoid macro expansion when initializing PMU register names, ensuring the tracepoints pretty-print the sysreg. | 23 July 2023, 16:50:14 UTC |
4b8b390 | Mohamed Khalfella | 14 July 2023, 20:33:41 UTC | tracing/histograms: Return an error if we fail to add histogram to hist_vars list Commit 6018b585e8c6 ("tracing/histograms: Add histograms to hist_vars if they have referenced variables") added a check to fail histogram creation if save_hist_vars() failed to add histogram to hist_vars list. But the commit failed to set ret to failed return code before jumping to unregister histogram, fix it. Link: https://lore.kernel.org/linux-trace-kernel/20230714203341.51396-1-mkhalfella@purestorage.com Cc: stable@vger.kernel.org Fixes: 6018b585e8c6 ("tracing/histograms: Add histograms to hist_vars if they have referenced variables") Signed-off-by: Mohamed Khalfella <mkhalfella@purestorage.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> | 23 July 2023, 15:18:52 UTC |
8a96c02 | Chen Lin | 19 July 2023, 07:58:47 UTC | ring-buffer: Do not swap cpu_buffer during resize process When ring_buffer_swap_cpu was called during resize process, the cpu buffer was swapped in the middle, resulting in incorrect state. Continuing to run in the wrong state will result in oops. This issue can be easily reproduced using the following two scripts: /tmp # cat test1.sh //#! /bin/sh for i in `seq 0 100000` do echo 2000 > /sys/kernel/debug/tracing/buffer_size_kb sleep 0.5 echo 5000 > /sys/kernel/debug/tracing/buffer_size_kb sleep 0.5 done /tmp # cat test2.sh //#! /bin/sh for i in `seq 0 100000` do echo irqsoff > /sys/kernel/debug/tracing/current_tracer sleep 1 echo nop > /sys/kernel/debug/tracing/current_tracer sleep 1 done /tmp # ./test1.sh & /tmp # ./test2.sh & A typical oops log is as follows, sometimes with other different oops logs. [ 231.711293] WARNING: CPU: 0 PID: 9 at kernel/trace/ring_buffer.c:2026 rb_update_pages+0x378/0x3f8 [ 231.713375] Modules linked in: [ 231.714735] CPU: 0 PID: 9 Comm: kworker/0:1 Tainted: G W 6.5.0-rc1-00276-g20edcec23f92 #15 [ 231.716750] Hardware name: linux,dummy-virt (DT) [ 231.718152] Workqueue: events update_pages_handler [ 231.719714] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 231.721171] pc : rb_update_pages+0x378/0x3f8 [ 231.722212] lr : rb_update_pages+0x25c/0x3f8 [ 231.723248] sp : ffff800082b9bd50 [ 231.724169] x29: ffff800082b9bd50 x28: ffff8000825f7000 x27: 0000000000000000 [ 231.726102] x26: 0000000000000001 x25: fffffffffffff010 x24: 0000000000000ff0 [ 231.728122] x23: ffff0000c3a0b600 x22: ffff0000c3a0b5c0 x21: fffffffffffffe0a [ 231.730203] x20: ffff0000c3a0b600 x19: ffff0000c0102400 x18: 0000000000000000 [ 231.732329] x17: 0000000000000000 x16: 0000000000000000 x15: 0000ffffe7aa8510 [ 231.734212] x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000002 [ 231.736291] x11: ffff8000826998a8 x10: ffff800082b9baf0 x9 : ffff800081137558 [ 231.738195] x8 : fffffc00030e82c8 x7 : 0000000000000000 x6 : 0000000000000001 [ 231.740192] x5 : ffff0000ffbafe00 x4 : 0000000000000000 x3 : 0000000000000000 [ 231.742118] x2 : 00000000000006aa x1 : 0000000000000001 x0 : ffff0000c0007208 [ 231.744196] Call trace: [ 231.744892] rb_update_pages+0x378/0x3f8 [ 231.745893] update_pages_handler+0x1c/0x38 [ 231.746893] process_one_work+0x1f0/0x468 [ 231.747852] worker_thread+0x54/0x410 [ 231.748737] kthread+0x124/0x138 [ 231.749549] ret_from_fork+0x10/0x20 [ 231.750434] ---[ end trace 0000000000000000 ]--- [ 233.720486] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 233.721696] Mem abort info: [ 233.721935] ESR = 0x0000000096000004 [ 233.722283] EC = 0x25: DABT (current EL), IL = 32 bits [ 233.722596] SET = 0, FnV = 0 [ 233.722805] EA = 0, S1PTW = 0 [ 233.723026] FSC = 0x04: level 0 translation fault [ 233.723458] Data abort info: [ 233.723734] ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 [ 233.724176] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [ 233.724589] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [ 233.725075] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000104943000 [ 233.725592] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 [ 233.726231] Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP [ 233.726720] Modules linked in: [ 233.727007] CPU: 0 PID: 9 Comm: kworker/0:1 Tainted: G W 6.5.0-rc1-00276-g20edcec23f92 #15 [ 233.727777] Hardware name: linux,dummy-virt (DT) [ 233.728225] Workqueue: events update_pages_handler [ 233.728655] pstate: 200000c5 (nzCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 233.729054] pc : rb_update_pages+0x1a8/0x3f8 [ 233.729334] lr : rb_update_pages+0x154/0x3f8 [ 233.729592] sp : ffff800082b9bd50 [ 233.729792] x29: ffff800082b9bd50 x28: ffff8000825f7000 x27: 0000000000000000 [ 233.730220] x26: 0000000000000000 x25: ffff800082a8b840 x24: ffff0000c0102418 [ 233.730653] x23: 0000000000000000 x22: fffffc000304c880 x21: 0000000000000003 [ 233.731105] x20: 00000000000001f4 x19: ffff0000c0102400 x18: ffff800082fcbc58 [ 233.731727] x17: 0000000000000000 x16: 0000000000000001 x15: 0000000000000001 [ 233.732282] x14: ffff8000825fe0c8 x13: 0000000000000001 x12: 0000000000000000 [ 233.732709] x11: ffff8000826998a8 x10: 0000000000000ae0 x9 : ffff8000801b760c [ 233.733148] x8 : fefefefefefefeff x7 : 0000000000000018 x6 : ffff0000c03298c0 [ 233.733553] x5 : 0000000000000002 x4 : 0000000000000000 x3 : 0000000000000000 [ 233.733972] x2 : ffff0000c3a0b600 x1 : 0000000000000000 x0 : 0000000000000000 [ 233.734418] Call trace: [ 233.734593] rb_update_pages+0x1a8/0x3f8 [ 233.734853] update_pages_handler+0x1c/0x38 [ 233.735148] process_one_work+0x1f0/0x468 [ 233.735525] worker_thread+0x54/0x410 [ 233.735852] kthread+0x124/0x138 [ 233.736064] ret_from_fork+0x10/0x20 [ 233.736387] Code: 92400000 910006b5 aa000021 aa0303f7 (f9400060) [ 233.736959] ---[ end trace 0000000000000000 ]--- After analysis, the seq of the error is as follows [1-5]: int ring_buffer_resize(struct trace_buffer *buffer, unsigned long size, int cpu_id) { for_each_buffer_cpu(buffer, cpu) { cpu_buffer = buffer->buffers[cpu]; //1. get cpu_buffer, aka cpu_buffer(A) ... ... schedule_work_on(cpu, &cpu_buffer->update_pages_work); //2. 'update_pages_work' is queue on 'cpu', cpu_buffer(A) is passed to // update_pages_handler, do the update process, set 'update_done' in // complete(&cpu_buffer->update_done) and to wakeup resize process. //----> //3. Just at this moment, ring_buffer_swap_cpu is triggered, //cpu_buffer(A) be swaped to cpu_buffer(B), the max_buffer. //ring_buffer_swap_cpu is called as the 'Call trace' below. Call trace: dump_backtrace+0x0/0x2f8 show_stack+0x18/0x28 dump_stack+0x12c/0x188 ring_buffer_swap_cpu+0x2f8/0x328 update_max_tr_single+0x180/0x210 check_critical_timing+0x2b4/0x2c8 tracer_hardirqs_on+0x1c0/0x200 trace_hardirqs_on+0xec/0x378 el0_svc_common+0x64/0x260 do_el0_svc+0x90/0xf8 el0_svc+0x20/0x30 el0_sync_handler+0xb0/0xb8 el0_sync+0x180/0x1c0 //<---- /* wait for all the updates to complete */ for_each_buffer_cpu(buffer, cpu) { cpu_buffer = buffer->buffers[cpu]; //4. get cpu_buffer, cpu_buffer(B) is used in the following process, //the state of cpu_buffer(A) and cpu_buffer(B) is totally wrong. //for example, cpu_buffer(A)->update_done will leave be set 1, and will //not 'wait_for_completion' at the next resize round. if (!cpu_buffer->nr_pages_to_update) continue; if (cpu_online(cpu)) wait_for_completion(&cpu_buffer->update_done); cpu_buffer->nr_pages_to_update = 0; } ... } //5. the state of cpu_buffer(A) and cpu_buffer(B) is totally wrong, //Continuing to run in the wrong state, then oops occurs. Link: https://lore.kernel.org/linux-trace-kernel/202307191558478409990@zte.com.cn Signed-off-by: Chen Lin <chen.lin5@zte.com.cn> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> | 23 July 2023, 15:09:25 UTC |
1faf7e4 | YueHaibing | 22 July 2023, 03:21:23 UTC | tracing: Remove unused extern declaration tracing_map_set_field_descr() Since commit 08d43a5fa063 ("tracing: Add lock-free tracing_map"), this is never used, so can be removed. Link: https://lore.kernel.org/linux-trace-kernel/20230722032123.24664-1-yuehaibing@huawei.com Cc: <mhiramat@kernel.org> Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> | 23 July 2023, 15:08:14 UTC |
0817d25 | Alexey Dobriyan | 13 July 2023, 18:52:28 UTC | kbuild: flatten KBUILD_CFLAGS Make it slightly easier to see which compiler options are added and removed (and not worry about column limit too!). Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Reviewed-by: Nicolas Schier <n.schier@avm.de> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> | 23 July 2023, 13:36:07 UTC |
1c67921 | Benjamin Gray | 19 July 2023, 03:19:12 UTC | gen_compile_commands: add assembly files to compilation database Like C source files, tooling can find it useful to have the assembly source file compilation recorded. The .S extension appears to used across all architectures. Signed-off-by: Benjamin Gray <bgray@linux.ibm.com> Reviewed-by: Fangrui Song <maskray@google.com> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> | 23 July 2023, 13:36:07 UTC |
9d3de7e | Ojaswin Mujoo | 22 July 2023, 17:15:24 UTC | ext4: fix rbtree traversal bug in ext4_mb_use_preallocated During allocations, while looking for preallocations(PA) in the per inode rbtree, we can't do a direct traversal of the tree because ext4_mb_discard_group_preallocation() can paralelly mark the pa deleted and that can cause direct traversal to skip some entries. This was leading to a BUG_ON() being hit [1] when we missed a PA that could satisfy our request and ultimately tried to create a new PA that would overlap with the missed one. To makes sure we handle that case while still keeping the performance of the rbtree, we make use of the fact that the only pa that could possibly overlap the original goal start is the one that satisfies the below conditions: 1. It must have it's logical start immediately to the left of (ie less than) original logical start. 2. It must not be deleted To find this pa we use the following traversal method: 1. Descend into the rbtree normally to find the immediate neighboring PA. Here we keep descending irrespective of if the PA is deleted or if it overlaps with our request etc. The goal is to find an immediately adjacent PA. 2. If the found PA is on right of original goal, use rb_prev() to find the left adjacent PA. 3. Check if this PA is deleted and keep moving left with rb_prev() until a non deleted PA is found. 4. This is the PA we are looking for. Now we can check if it can satisfy the original request and proceed accordingly. This approach also takes care of having deleted PAs in the tree. (While we are at it, also fix a possible overflow bug in calculating the end of a PA) [1] https://lore.kernel.org/linux-ext4/CA+G9fYv2FRpLqBZf34ZinR8bU2_ZRAUOjKAD3+tKRFaEQHtt8Q@mail.gmail.com/ Cc: stable@kernel.org # 6.4 Fixes: 3872778664e3 ("ext4: Use rbtrees to manage PAs instead of inode i_prealloc_list") Signed-off-by: Ojaswin Mujoo <ojaswin@linux.ibm.com> Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org> Reviewed-by: Ritesh Harjani (IBM) ritesh.list@gmail.com Tested-by: Ritesh Harjani (IBM) ritesh.list@gmail.com Link: https://lore.kernel.org/r/edd2efda6a83e6343c5ace9deea44813e71dbe20.1690045963.git.ojaswin@linux.ibm.com Signed-off-by: Theodore Ts'o <tytso@mit.edu> | 23 July 2023, 12:21:14 UTC |
5d5460f | Ojaswin Mujoo | 09 June 2023, 10:34:03 UTC | ext4: fix off by one issue in ext4_mb_choose_next_group_best_avail() In ext4_mb_choose_next_group_best_avail(), we want the start order to be 1 less than goal length and the min_order to be, at max, 1 more than the original length. This commit fixes an off by one issue that arose due to the fact that 1 << fls(n) > (n). After all the processing: order = 1 order below goal len min_order = maximum of the three:- - order - trim_order - 1 order below B2C(s_stripe) - 1 order above original len Cc: stable@kernel.org Fixes: 33122aa930 ("ext4: Add allocation criteria 1.5 (CR1_5)") Signed-off-by: Ojaswin Mujoo <ojaswin@linux.ibm.com> Link: https://lore.kernel.org/r/20230609103403.112807-1-ojaswin@linux.ibm.com Signed-off-by: Theodore Ts'o <tytso@mit.edu> | 23 July 2023, 12:21:14 UTC |
6909cf5 | Eric Whitney | 22 May 2023, 18:15:20 UTC | ext4: correct inline offset when handling xattrs in inode body When run on a file system where the inline_data feature has been enabled, xfstests generic/269, generic/270, and generic/476 cause ext4 to emit error messages indicating that inline directory entries are corrupted. This occurs because the inline offset used to locate inline directory entries in the inode body is not updated when an xattr in that shared region is deleted and the region is shifted in memory to recover the space it occupied. If the deleted xattr precedes the system.data attribute, which points to the inline directory entries, that attribute will be moved further up in the region. The inline offset continues to point to whatever is located in system.data's former location, with unfortunate effects when used to access directory entries or (presumably) inline data in the inode body. Cc: stable@kernel.org Signed-off-by: Eric Whitney <enwlinux@gmail.com> Link: https://lore.kernel.org/r/20230522181520.1570360-1-enwlinux@gmail.com Signed-off-by: Theodore Ts'o <tytso@mit.edu> | 23 July 2023, 12:21:05 UTC |
c278253 | Linus Torvalds | 23 July 2023, 02:32:00 UTC | Merge tag 'powerpc-6.5-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: - Reinstate support for little endian ELFv1 binaries, which it turns out still exist in the wild. - Revert a change which used asm goto for WARN_ON/__WARN_FLAGS, as it lead to dead code generation and seemed to trigger compiler bugs in some edge cases. - Fix a deadlock in the pseries VAS code, between live migration and the driver's mmap handler. - Disable KCOV instrumentation in the powerpc KASAN code. Thanks to Andrew Donnellan, Benjamin Gray, Christophe Leroy, Haren Myneni, Russell Currey, and Uwe Kleine-König. * tag 'powerpc-6.5-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: Revert "powerpc/64s: Remove support for ELFv1 little endian userspace" powerpc/kasan: Disable KCOV in KASAN code powerpc/512x: lpbfifo: Convert to platform remove callback returning void powerpc/crypto: Add gitignore for generated P10 AES/GCM .S files Revert "powerpc/bug: Provide better flexibility to WARN_ON/__WARN_FLAGS() with asm goto" powerpc/pseries/vas: Hold mmap_mutex after mmap lock during window close | 23 July 2023, 02:32:00 UTC |
ba61a03 | Steve French | 20 July 2023, 13:30:32 UTC | cifs: update internal module version number for cifs.ko From 2.43 to 2.44 Signed-off-by: Steve French <stfrench@microsoft.com> | 22 July 2023, 19:43:13 UTC |
b3edef6 | Shyam Prasad N | 16 June 2023, 10:37:46 UTC | cifs: allow dumping keys for directories too Dumping the enc/dec keys is a session wide operation. And it should not matter if the ioctl was run on a regular file or a directory. Currently, we obtain the tcon pointer from the cifs file handle. But since there's no dir open call in cifs, this is not populated for dirs. This change allows dumping of session keys using ioctl even for directories. To do this, we'll now get the tcon pointer from the superblock, and not from the file handle. Signed-off-by: Shyam Prasad N <sprasad@microsoft.com> Signed-off-by: Steve French <stfrench@microsoft.com> | 22 July 2023, 19:42:54 UTC |
295e138 | Linus Torvalds | 22 July 2023, 18:24:03 UTC | Merge tag 's390-6.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 fixes from Heiko Carstens: - Fix per vma lock fault handling: add missing !(fault & VM_FAULT_ERROR) check to fault handler to prevent error handling for return values that don't indicate an error - Use kfree_sensitive() instead of kfree() in paes crypto code to clear memory that may contain keys before freeing it - Fix reply buffer size calculation for CCA replies in zcrypt device driver * tag 's390-6.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/zcrypt: fix reply buffer calculations for CCA replies s390/crypto: use kfree_sensitive() instead of kfree() s390/mm: fix per vma lock fault handling | 22 July 2023, 18:24:03 UTC |
f036d67 | Linus Torvalds | 22 July 2023, 18:05:15 UTC | Merge tag 'block-6.5-2023-07-21' of git://git.kernel.dk/linux Pull block fixes from Jens Axboe: - Fix for loop regressions (Mauricio) - Fix a potential stall with batched wakeups in sbitmap (David) - Fix for stall with recursive plug flushes (Ross) - Skip accounting of empty requests for blk-iocost (Chengming) - Remove a dead field in struct blk_mq_hw_ctx (Chengming) * tag 'block-6.5-2023-07-21' of git://git.kernel.dk/linux: loop: do not enforce max_loop hard limit by (new) default loop: deprecate autoloading callback loop_probe() sbitmap: fix batching wakeup blk-iocost: skip empty flush bio in iocost blk-mq: delete dead struct blk_mq_hw_ctx->queued field blk-mq: Fix stall due to recursive flush plug | 22 July 2023, 18:05:15 UTC |
bdd1d82 | Linus Torvalds | 22 July 2023, 17:46:30 UTC | Merge tag 'io_uring-6.5-2023-07-21' of git://git.kernel.dk/linux Pull io_uring fixes from Jens Axboe: - Fix for io-wq not always honoring REQ_F_NOWAIT, if it was set and punted directly (eg via DRAIN) (me) - Capability check fix (Ondrej) - Regression fix for the mmap changes that went into 6.4, which apparently broke IA64 (Helge) * tag 'io_uring-6.5-2023-07-21' of git://git.kernel.dk/linux: ia64: mmap: Consider pgoff when searching for free mapping io_uring: Fix io_uring mmap() by using architecture-provided get_unmapped_area() io_uring: treat -EAGAIN for REQ_F_NOWAIT as final for io-wq io_uring: don't audit the capability check in io_uring_create() | 22 July 2023, 17:46:30 UTC |
725d444 | Linus Torvalds | 22 July 2023, 17:28:22 UTC | Merge tag 'devicetree-fixes-for-6.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree fixes from Rob Herring: - Fix moortec,mr75203 schema usage of 'multipleOf' keyword - Fix regression in systems depending on "of-display" device name - Build fix for s390 with CONFIG_PCI=n and OF_EARLY_FLATTREE=y - Drop two obsolete serial .txt bindings * tag 'devicetree-fixes-for-6.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: dt-bindings: serial: Remove obsolete nxp,lpc1850-uart.txt dt-bindings: serial: Remove obsolete cavium-uart.txt dt-bindings: hwmon: moortec,mr75203: fix multipleOf for coefficients of: Preserve "of-display" device name for compatibility of: make OF_EARLY_FLATTREE depend on HAS_IOMEM | 22 July 2023, 17:28:22 UTC |
39b1428 | Linus Torvalds | 22 July 2023, 17:20:56 UTC | Merge tag 'regmap-fix-v6.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap Pull regmap fixes from Mark Brown: "Three fixes here: - The issues with accounting for register and padding length on raw buses turn out to be quite widespread in custom buses. In order to avoid disturbing anything drop the initial fixes and fall back to a point fix in the SMBus code where the issue was originally noticed, a more substantial refactoring of the API which ensures that all buses make the same assumptions will follow. - The generic regcache code had been forcing on async I/O which did not work with the new maple tree sync code when used with SPI. Since that was mainly for the rbtree cache and the assumptions about hardware that drove the choice are probably not true any more fix this by pushing the enablement of async down into the rbtree code. This probably also makes cache syncs for systems faster though it's not the point. - The test code was triggering use of the rbtree and maple tree caches with dynamic allocation of nodes since all the testing is with RAM backed caches with no I/O performance issues. Just disable the locking in the tests to avoid triggering warnings when allocation debugging is turned on, it's not really what's being tested" * tag 'regmap-fix-v6.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: regmap: Disable locking for RBTREE and MAPLE unit tests regcache: Push async I/O request down into the rbtree cache regmap: Account for register length in SMBus I/O limits regmap: Drop initial version of maximum transfer length fixes | 22 July 2023, 17:20:56 UTC |
c0842db | Linus Torvalds | 22 July 2023, 17:14:04 UTC | Merge tag 'gpio-fixes-for-v6.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux Pull gpio fixes from Bartosz Golaszewski: - fix initial value handling for output-only pins in gpio-tps68470 - fix two resource leaks in gpio-mvebu * tag 'gpio-fixes-for-v6.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: gpio: mvebu: fix irq domain leak gpio: mvebu: Make use of devm_pwmchip_add gpio: tps68470: Make tps68470_gpio_output() always set the initial value | 22 July 2023, 17:14:04 UTC |
ffc59c6 | Rob Herring | 07 July 2023, 22:16:06 UTC | dt-bindings: serial: Remove obsolete nxp,lpc1850-uart.txt nxp,lpc1850-uart.txt binding is already covered by 8250.yaml, so remove it. Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/20230707221607.1064888-1-robh@kernel.org Signed-off-by: Rob Herring <robh@kernel.org> | 21 July 2023, 19:39:12 UTC |
5921181 | Rob Herring | 07 July 2023, 22:16:02 UTC | dt-bindings: serial: Remove obsolete cavium-uart.txt cavium-uart.txt binding is already covered by 8250.yaml, so remove it. Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/20230707221602.1063972-1-robh@kernel.org Signed-off-by: Rob Herring <robh@kernel.org> | 21 July 2023, 19:39:12 UTC |
bb5faa9 | Mauricio Faria de Oliveira | 20 July 2023, 14:30:33 UTC | loop: do not enforce max_loop hard limit by (new) default Problem: The max_loop parameter is used for 2 different purposes: 1) initial number of loop devices to pre-create on init 2) maximum number of loop devices to add on access/open() Historically, its default value (zero) caused 1) to create non-zero number of devices (CONFIG_BLK_DEV_LOOP_MIN_COUNT), and no hard limit on 2) to add devices with autoloading. However, the default value changed in commit 85c50197716c ("loop: Fix the max_loop commandline argument treatment when it is set to 0") to CONFIG_BLK_DEV_LOOP_MIN_COUNT, for max_loop=0 not to pre-create devices. That does improve 1), but unfortunately it breaks 2), as the default behavior changed from no-limit to hard-limit. Example: For example, this userspace code broke for N >= CONFIG, if the user relied on the default value 0 for max_loop: mknod("/dev/loopN"); open("/dev/loopN"); // now fails with ENXIO Though affected users may "fix" it with (loop.)max_loop=0, this means to require a kernel parameter change on stable kernel update (that commit Fixes: an old commit in stable). Solution: The original semantics for the default value in 2) can be applied if the parameter is not set (ie, default behavior). This still keeps the intended function in 1) and 2) if set, and that commit's intended improvement in 1) if max_loop=0. Before 85c50197716c: - default: 1) CONFIG devices 2) no limit - max_loop=0: 1) CONFIG devices 2) no limit - max_loop=X: 1) X devices 2) X limit After 85c50197716c: - default: 1) CONFIG devices 2) CONFIG limit (*) - max_loop=0: 1) 0 devices (*) 2) no limit - max_loop=X: 1) X devices 2) X limit This commit: - default: 1) CONFIG devices 2) no limit (*) - max_loop=0: 1) 0 devices 2) no limit - max_loop=X: 1) X devices 2) X limit Future: The issue/regression from that commit only affects code under the CONFIG_BLOCK_LEGACY_AUTOLOAD deprecation guard, thus the fix too is contained under it. Once that deprecated functionality/code is removed, the purpose 2) of max_loop (hard limit) is no longer in use, so the module parameter description can be changed then. Tests: Linux 6.4-rc7 CONFIG_BLK_DEV_LOOP_MIN_COUNT=8 CONFIG_BLOCK_LEGACY_AUTOLOAD=y - default (original) # ls -1 /dev/loop* /dev/loop-control /dev/loop0 ... /dev/loop7 # ./test-loop open: /dev/loop8: No such device or address - default (patched) # ls -1 /dev/loop* /dev/loop-control /dev/loop0 ... /dev/loop7 # ./test-loop # - max_loop=0 (original & patched): # ls -1 /dev/loop* /dev/loop-control # ./test-loop # - max_loop=8 (original & patched): # ls -1 /dev/loop* /dev/loop-control /dev/loop0 ... /dev/loop7 # ./test-loop open: /dev/loop8: No such device or address - max_loop=0 (patched; CONFIG_BLOCK_LEGACY_AUTOLOAD is not set) # ls -1 /dev/loop* /dev/loop-control # ./test-loop open: /dev/loop8: No such device or address Fixes: 85c50197716c ("loop: Fix the max_loop commandline argument treatment when it is set to 0") Signed-off-by: Mauricio Faria de Oliveira <mfo@canonical.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20230720143033.841001-3-mfo@canonical.com Signed-off-by: Jens Axboe <axboe@kernel.dk> | 21 July 2023, 19:20:57 UTC |
23881ae | Mauricio Faria de Oliveira | 20 July 2023, 14:30:32 UTC | loop: deprecate autoloading callback loop_probe() The 'probe' callback in __register_blkdev() is only used under the CONFIG_BLOCK_LEGACY_AUTOLOAD deprecation guard. The loop_probe() function is only used for that callback, so guard it too, accordingly. See commit fbdee71bb5d8 ("block: deprecate autoloading based on dev_t"). Signed-off-by: Mauricio Faria de Oliveira <mfo@canonical.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20230720143033.841001-2-mfo@canonical.com Signed-off-by: Jens Axboe <axboe@kernel.dk> | 21 July 2023, 19:20:48 UTC |
1063973 | David Jeffery | 21 July 2023, 09:57:15 UTC | sbitmap: fix batching wakeup Current code supposes that it is enough to provide forward progress by just waking up one wait queue after one completion batch is done. Unfortunately this way isn't enough, cause waiter can be added to wait queue just after it is woken up. Follows one example(64 depth, wake_batch is 8) 1) all 64 tags are active 2) in each wait queue, there is only one single waiter 3) each time one completion batch(8 completions) wakes up just one waiter in each wait queue, then immediately one new sleeper is added to this wait queue 4) after 64 completions, 8 waiters are wakeup, and there are still 8 waiters in each wait queue 5) after another 8 active tags are completed, only one waiter can be wakeup, and the other 7 can't be waken up anymore. Turns out it isn't easy to fix this problem, so simply wakeup enough waiters for single batch. Cc: Kemeng Shi <shikemeng@huaweicloud.com> Cc: Chengming Zhou <zhouchengming@bytedance.com> Cc: Jan Kara <jack@suse.cz> Signed-off-by: David Jeffery <djeffery@redhat.com> Signed-off-by: Ming Lei <ming.lei@redhat.com> Reviewed-by: Gabriel Krisman Bertazi <krisman@suse.de> Reviewed-by: Keith Busch <kbusch@kernel.org> Link: https://lore.kernel.org/r/20230721095715.232728-1-ming.lei@redhat.com Signed-off-by: Jens Axboe <axboe@kernel.dk> | 21 July 2023, 17:40:20 UTC |
d192f53 | Linus Torvalds | 21 July 2023, 17:24:21 UTC | Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Will Deacon: "I've picked up a handful of arm64 fixes while Catalin's been away, so here they are. Below is the usual summary, but we have basically have two cleanups, a fix for an SME crash and a fix for hibernation: - Fix saving of SME state after SVE vector length is changed - Fix sparse warnings for missing vDSO function prototypes - Fix hibernation resume path when kfence is enabled - Fix field names for the HFGxTR_EL2 register" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64/fpsimd: Ensure SME storage is allocated after SVE VL changes arm64: vdso: Clear common make C=2 warnings arm64: mm: Make hibernation aware of KFENCE arm64: Fix HFGxTR_EL2 field naming | 21 July 2023, 17:24:21 UTC |
892d7c1 | Linus Torvalds | 21 July 2023, 17:16:20 UTC | Merge tag 'pm-6.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management fixes from Rafael Wysocki: "Revert three recent intel_idle commits that introduced a functional issue, included a coding mistake and have been questioned at the design level" * tag 'pm-6.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: Revert "intel_idle: Add support for using intel_idle in a VM guest using just hlt" Revert "intel_idle: Add a "Long HLT" C1 state for the VM guest mode" Revert "intel_idle: Add __init annotation to matchup_vm_state_with_baremetal()" | 21 July 2023, 17:16:20 UTC |
3c05547 | Linus Torvalds | 21 July 2023, 17:10:18 UTC | Merge tag 'sound-6.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "A pile of fixes that have been gathered since the previous pull. Most of changes are device-specific, and nothing looks too scary. - A memory leak fix in ALSA sequencer code in 6.5-rc - Many fixes for ASoC Qualcomm CODEC drivers, covering SoundWire probe problems - A series of ASoC AMD fixes - A few fixes and cleanups of selftest stuff - HD-audio codec fixes and quirks for Clevo, HP, Lenovo, Dell" * tag 'sound-6.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (52 commits) ALSA: hda/realtek: Add support for DELL Oasis 13/14/16 laptops ALSA: hda/realtek: Fix generic fixup definition for cs35l41 amp ALSA: hda/realtek: Enable Mute LED on HP Laptop 15s-eq2xxx selftests: ALSA: Add test-pcmtest-driver to .gitignore ALSA: hda/realtek: Add quirk for Clevo NS70AU ASoC: fsl_sai: Disable bit clock with transmitter ALSA: seq: Fix memory leak at error path in snd_seq_create_port() ASoC: SOF: ipc3-dtrace: uninitialized data in dfsentry_trace_filter_write() ASoC: cs42l51: fix driver to properly autoload with automatic module loading MAINTAINERS: Redo addition of ssm3515 to APPLE SOUND ASoC: rt5640: Fix the issue of speaker noise ALSA: hda/realtek - remove 3k pull low procedure selftests: ALSA: Fix fclose on an already fclosed file pointer ALSA: pcmtest: Don't use static storage to track per device data ALSA: pcmtest: Convert to platform remove callback returning void ASoC: dt-bindings: audio-graph-card2: Drop incomplete example ASoC: dt-bindings: Update maintainer email id ASoC: amd: ps: Fix extraneous error messages ASoC: fsl_sai: Revert "ASoC: fsl_sai: Enable MCTL_MCLK_EN bit for master mode" ASoC: codecs: SND_SOC_WCD934X should select REGMAP_IRQ ... | 21 July 2023, 17:10:18 UTC |
55c225f | Linus Torvalds | 21 July 2023, 17:00:09 UTC | Merge tag 'fbdev-for-6.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev Pull fbdev fixes and cleanups from Helge Deller: "Just the usual bunch of code cleanups in various drivers, this time mostly in vgacon and imxfb: - Code cleanup in vgacon (Jiri Slaby) - Explicitly include correct DT includes (Rob Herring) - imxfb code cleanup (Yangtao Li, Martin Kaiser) - kyrofb: make arrays const and smaller (Colin Ian King) - ep93xx-fb: return value check fix (Yuanjun Gong) - au1200fb: add missing IRQ check (Zhang Shurong)" * tag 'fbdev-for-6.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev: fbdev: Explicitly include correct DT includes fbdev: ep93xx-fb: fix return value check in ep93xxfb_probe fbdev: au1200fb: Fix missing IRQ check in au1200fb_drv_probe fbdev: kyro: make some const read-only arrays static and reduce type size fbcon: remove unused display (p) from fbcon_redraw() sticon: make sticon_set_def_font() void and remove op parameter vgacon: cache vc_cell_height in vgacon_cursor() vgacon: let vgacon_doresize() return void vgacon: remove unused xpos from vgacon_set_cursor_size() vgacon: remove unneeded forward declarations vgacon: switch vgacon_scrolldelta() and vgacon_restore_screen() fbdev: imxfb: remove unneeded labels fbdev: imxfb: Convert to devm_platform_ioremap_resource() fbdev: imxfb: Convert to devm_kmalloc_array() fbdev: imxfb: Removed unneeded release_mem_region fbdev: imxfb: switch to DEFINE_SIMPLE_DEV_PM_OPS fbdev: imxfb: warn about invalid left/right margin | 21 July 2023, 17:00:09 UTC |
4e076c7 | Daniel Vetter | 21 July 2023, 13:58:38 UTC | drm/atomic: Fix potential use-after-free in nonblocking commits This requires a bit of background. Properly done a modeset driver's unload/remove sequence should be drm_dev_unplug(); drm_atomic_helper_shutdown(); drm_dev_put(); The trouble is that the drm_dev_unplugged() checks are by design racy, they do not synchronize against all outstanding ioctl. This is because those ioctl could block forever (both for modeset and for driver specific ioctls), leading to deadlocks in hotunplug. Instead the code sections that touch the hardware need to be annotated with drm_dev_enter/exit, to avoid accessing hardware resources after the unload/remove has finished. To avoid use-after-free issues all the involved userspace visible objects are supposed to hold a reference on the underlying drm_device, like drm_file does. The issue now is that we missed one, the atomic modeset ioctl can be run in a nonblocking fashion, and in that case it cannot rely on the implied drm_device reference provided by the ioctl calling context. This can result in a use-after-free if an nonblocking atomic commit is carefully raced against a driver unload. Fix this by unconditionally grabbing a drm_device reference for any drm_atomic_state structures. Strictly speaking this isn't required for blocking commits and TEST_ONLY calls, but it's the simpler approach. Thanks to shanzhulig for the initial idea of grabbing an unconditional reference, I just added comments, a condensed commit message and fixed a minor potential issue in where exactly we drop the final reference. Reported-by: shanzhulig <shanzhulig@gmail.com> Suggested-by: shanzhulig <shanzhulig@gmail.com> Reviewed-by: Maxime Ripard <mripard@kernel.org> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: David Airlie <airlied@gmail.com> Cc: stable@kernel.org Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 21 July 2023, 16:53:30 UTC |
07e9811 | Helge Deller | 21 July 2023, 15:24:32 UTC | ia64: mmap: Consider pgoff when searching for free mapping IA64 is the only architecture which does not consider the pgoff value when searching for a possible free memory region with vm_unmapped_area(). Adding this seems to have no negative side effect on IA64, so add it now to make IA64 consistent with all other architectures. Cc: stable@vger.kernel.org # 6.4 Signed-off-by: Helge Deller <deller@gmx.de> Tested-by: matoro <matoro_mailinglist_kernel@matoro.tk> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: linux-ia64@vger.kernel.org Link: https://lore.kernel.org/r/20230721152432.196382-3-deller@gmx.de Signed-off-by: Jens Axboe <axboe@kernel.dk> | 21 July 2023, 15:41:35 UTC |
32832a4 | Helge Deller | 21 July 2023, 15:24:31 UTC | io_uring: Fix io_uring mmap() by using architecture-provided get_unmapped_area() The io_uring testcase is broken on IA-64 since commit d808459b2e31 ("io_uring: Adjust mapping wrt architecture aliasing requirements"). The reason is, that this commit introduced an own architecture independend get_unmapped_area() search algorithm which finds on IA-64 a memory region which is outside of the regular memory region used for shared userspace mappings and which can't be used on that platform due to aliasing. To avoid similar problems on IA-64 and other platforms in the future, it's better to switch back to the architecture-provided get_unmapped_area() function and adjust the needed input parameters before the call. Beside fixing the issue, the function now becomes easier to understand and maintain. This patch has been successfully tested with the io_uring testcase on physical x86-64, ppc64le, IA-64 and PA-RISC machines. On PA-RISC the LTP mmmap testcases did not report any regressions. Cc: stable@vger.kernel.org # 6.4 Signed-off-by: Helge Deller <deller@gmx.de> Reported-by: matoro <matoro_mailinglist_kernel@matoro.tk> Fixes: d808459b2e31 ("io_uring: Adjust mapping wrt architecture aliasing requirements") Link: https://lore.kernel.org/r/20230721152432.196382-2-deller@gmx.de Signed-off-by: Jens Axboe <axboe@kernel.dk> | 21 July 2023, 15:41:29 UTC |
d4d5be9 | Mark Brown | 20 July 2023, 18:38:58 UTC | arm64/fpsimd: Ensure SME storage is allocated after SVE VL changes When we reconfigure the SVE vector length we discard the backing storage for the SVE vectors and then reallocate on next SVE use, leaving the SME specific state alone. This means that we do not enable SME traps if they were already disabled. That means that userspace code can enter streaming mode without trapping, putting the task in a state where if we try to save the state of the task we will fault. Since the ABI does not specify that changing the SVE vector length disturbs SME state, and since SVE code may not be aware of SME code in the process, we shouldn't simply discard any ZA state. Instead immediately reallocate the storage for SVE, and disable SME if we change the SVE vector length while there is no SME state active. Disabling SME traps on SVE vector length changes would make the overall code more complex since we would have a state where we have valid SME state stored but might get a SME trap. Fixes: 9e4ab6c89109 ("arm64/sme: Implement vector length configuration prctl()s") Reported-by: David Spickett <David.Spickett@arm.com> Signed-off-by: Mark Brown <broonie@kernel.org> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20230720-arm64-fix-sve-sme-vl-change-v2-1-8eea06b82d57@kernel.org Signed-off-by: Will Deacon <will@kernel.org> | 21 July 2023, 10:11:09 UTC |
f7e3a1b | Linus Torvalds | 21 July 2023, 03:35:38 UTC | Merge tag 'drm-fixes-2023-07-21' of git://anongit.freedesktop.org/drm/drm Pull drm fixes from Dave Airlie: "Mostly amdgpu fixes, a couple of i915 fixes, some nouveau and then a few misc accel and other fixes. client: - memory leak fix dma-buf: - memory leak fix qaic: - bound check fixes - map_user_pages leak - int overflow fixes habanalabs: - debugfs stub helper nouveau: - aux event slot fixes - anx9805 cards fixes i915: - Add sentinel to xehp_oa_b_counters - Revert "drm/i915: use localized __diag_ignore_all() instead of per file" amdgpu: - More PCIe DPM fixes for Intel platforms - DCN3.0.1 fixes - Virtual display timer fix - Async flip fix - SMU13 clock reporting fixes - Add missing PSP firmware declaration - DP MST fix - DCN3.1.x fixes - Slab out of bounds fix" * tag 'drm-fixes-2023-07-21' of git://anongit.freedesktop.org/drm/drm: (31 commits) accel/habanalabs: add more debugfs stub helpers drm/nouveau/kms/nv50-: init hpd_irq_lock for PIOR DP drm/nouveau/disp: PIOR DP uses GPIO for HPD, not PMGR AUX interrupts drm/nouveau/i2c: fix number of aux event slots drm/amdgpu: use a macro to define no xcp partition case drm/amdgpu/vm: use the same xcp_id from root PD drm/amdgpu: fix slab-out-of-bounds issue in amdgpu_vm_pt_create drm/amdgpu: Allocate root PD on correct partition drm/amd/display: Keep PHY active for DP displays on DCN31 drm/amd/display: Prevent vtotal from being set to 0 drm/amd/display: Disable MPC split by default on special asic drm/amd/display: check TG is non-null before checking if enabled drm/amd/display: Add polling method to handle MST reply packet drm/amd/display: Clean up errors & warnings in amdgpu_dm.c drm/amdgpu: Allow the initramfs generator to include psp_13_0_6_ta drm/amdgpu/pm: make mclk consistent for smu 13.0.7 drm/amdgpu/pm: make gfxclock consistent for sienna cichlid drm/amd/display: only accept async flips for fast updates drm/amdgpu/vkms: relax timer deactivation by hrtimer_try_to_cancel drm/amd/display: add DCN301 specific logic for OTG programming ... | 21 July 2023, 03:35:38 UTC |
28801cc | Dave Airlie | 21 July 2023, 02:16:41 UTC | Merge tag 'amd-drm-fixes-6.5-2023-07-20' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes amd-drm-fixes-6.5-2023-07-20: amdgpu: - More PCIe DPM fixes for Intel platforms - DCN3.0.1 fixes - Virtual display timer fix - Async flip fix - SMU13 clock reporting fixes - Add missing PSP firmware declaration - DP MST fix - DCN3.1.x fixes - Slab out of bounds fix Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230720133456.7826-1-alexander.deucher@amd.com | 21 July 2023, 02:16:47 UTC |
534a791 | Dave Airlie | 21 July 2023, 02:15:09 UTC | Merge tag 'drm-intel-fixes-2023-07-20' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes - Add sentinel to xehp_oa_b_counters [perf] (Andrzej Hajda) - Revert "drm/i915: use localized __diag_ignore_all() instead of per file" (Jani Nikula) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/ZLjuwhLhwab5B7RY@tursulin-desk | 21 July 2023, 02:15:09 UTC |
f4f19c0 | Dave Airlie | 21 July 2023, 02:02:31 UTC | Merge tag 'drm-misc-fixes-2023-07-20' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes Memory leak fixes in drm/client, memory access/leak fixes for accel/qaic, another leak fix in dma-buf and three nouveau fixes around hotplugging. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maxime Ripard <mripard@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/fmj5nok7zggux2lcpdtls2iknweba54wfc6o4zxq6i6s3dgi2r@7z3eawwhyhen | 21 July 2023, 02:14:05 UTC |
12a5088 | Linus Torvalds | 21 July 2023, 02:10:50 UTC | Merge tag 'ata-6.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata Pull ata fix from Damien Le Moal: - Add missing MODULE_DESCRIPTION() in the many of the protocol modules for the pata_parport driver to avoid compilation warnings with "make W=1". * tag 'ata-6.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata: ata: pata_parport: Add missing protocol modules description | 21 July 2023, 02:10:50 UTC |
57f1f9d | Linus Torvalds | 20 July 2023, 21:46:39 UTC | Merge tag 'net-6.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Jakub Kicinski: "Including fixes from BPF, netfilter, bluetooth and CAN. Current release - regressions: - eth: r8169: multiple fixes for PCIe ASPM-related problems - vrf: fix RCU lockdep splat in output path Previous releases - regressions: - gso: fall back to SW segmenting with GSO_UDP_L4 dodgy bit set - dsa: mv88e6xxx: do a final check before timing out when polling - nf_tables: fix sleep in atomic in nft_chain_validate Previous releases - always broken: - sched: fix undoing tcf_bind_filter() in multiple classifiers - bpf, arm64: fix BTI type used for freplace attached functions - can: gs_usb: fix time stamp counter initialization - nft_set_pipapo: fix improper element removal (leading to UAF) Misc: - net: support STP on bridge in non-root netns, STP prevents packet loops so not supporting it results in freezing systems of unsuspecting users, and in turn very upset noises being made - fix kdoc warnings - annotate various bits of TCP state to prevent data races" * tag 'net-6.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (95 commits) net: phy: prevent stale pointer dereference in phy_init() tcp: annotate data-races around fastopenq.max_qlen tcp: annotate data-races around icsk->icsk_user_timeout tcp: annotate data-races around tp->notsent_lowat tcp: annotate data-races around rskq_defer_accept tcp: annotate data-races around tp->linger2 tcp: annotate data-races around icsk->icsk_syn_retries tcp: annotate data-races around tp->keepalive_probes tcp: annotate data-races around tp->keepalive_intvl tcp: annotate data-races around tp->keepalive_time tcp: annotate data-races around tp->tsoffset tcp: annotate data-races around tp->tcp_tx_delay Bluetooth: MGMT: Use correct address for memcpy() Bluetooth: btusb: Fix bluetooth on Intel Macbook 2014 Bluetooth: SCO: fix sco_conn related locking and validity issues Bluetooth: hci_conn: return ERR_PTR instead of NULL when there is no link Bluetooth: hci_sync: Avoid use-after-free in dbg for hci_remove_adv_monitor() Bluetooth: coredump: fix building with coredump disabled Bluetooth: ISO: fix iso_conn related locking and validity issues Bluetooth: hci_event: call disconnect callback before deleting conn ... | 20 July 2023, 21:46:39 UTC |
013adcb | Chengming Zhou | 20 July 2023, 12:14:41 UTC | blk-iocost: skip empty flush bio in iocost The flush bio may have data, may have no data (empty flush), we couldn't calculate cost for empty flush bio. So we'd better just skip it for now. Another side effect is that empty flush bio's bio_end_sector() is 0, cause iocg->cursor reset to 0, may break the cost calculation of other bios. This isn't good enough, since flush bio still consume the device bandwidth, but flush request is special, can be merged randomly in the flush state machine, we don't know how to calculate cost for it for now. Its completion time also has flaws, which may include the pre-flush or post-flush completion time, but I don't know if we need to fix that and how to fix it. Signed-off-by: Chengming Zhou <zhouchengming@bytedance.com> Acked-by: Tejun Heo <tj@kernel.org> Link: https://lore.kernel.org/r/20230720121441.1408522-1-chengming.zhou@linux.dev Signed-off-by: Jens Axboe <axboe@kernel.dk> | 20 July 2023, 20:02:17 UTC |
75d42b3 | Jakub Kicinski | 20 July 2023, 19:57:55 UTC | Merge tag 'for-net-2023-07-20' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth Luiz Augusto von Dentz says: ==================== bluetooth pull request for net: - Fix building with coredump disabled - Fix use-after-free in hci_remove_adv_monitor - Use RCU for hci_conn_params and iterate safely in hci_sync - Fix locking issues on ISO and SCO - Fix bluetooth on Intel Macbook 2014 * tag 'for-net-2023-07-20' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth: Bluetooth: MGMT: Use correct address for memcpy() Bluetooth: btusb: Fix bluetooth on Intel Macbook 2014 Bluetooth: SCO: fix sco_conn related locking and validity issues Bluetooth: hci_conn: return ERR_PTR instead of NULL when there is no link Bluetooth: hci_sync: Avoid use-after-free in dbg for hci_remove_adv_monitor() Bluetooth: coredump: fix building with coredump disabled Bluetooth: ISO: fix iso_conn related locking and validity issues Bluetooth: hci_event: call disconnect callback before deleting conn Bluetooth: use RCU for hci_conn_params and iterate safely in hci_sync ==================== Link: https://lore.kernel.org/r/20230720190201.446469-1-luiz.dentz@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 20 July 2023, 19:57:55 UTC |
9b39f75 | Jakub Kicinski | 20 July 2023, 19:54:21 UTC | Merge tag 'nf-23-07-20' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf Florian Westphal says: ==================== Netfilter fixes for net: The following patchset contains Netfilter fixes for net: 1. Fix spurious -EEXIST error from userspace due to padding holes, this was broken since 4.9 days when 'ignore duplicate entries on insert' feature was added. 2. Fix a sched-while-atomic bug, present since 5.19. 3. Properly remove elements if they lack an "end range". nft userspace always sets an end range attribute, even when its the same as the start, but the abi doesn't have such a restriction. Always broken since it was added in 5.6, all three from myself. 4 + 5: Bound chain needs to be skipped in netns release and on rule flush paths, from Pablo Neira. * tag 'nf-23-07-20' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf: netfilter: nf_tables: skip bound chain on rule flush netfilter: nf_tables: skip bound chain in netns release path netfilter: nft_set_pipapo: fix improper element removal netfilter: nf_tables: can't schedule in nft_chain_validate netfilter: nf_tables: fix spurious set element insertion failure ==================== Link: https://lore.kernel.org/r/20230720165143.30208-1-fw@strlen.de Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 20 July 2023, 19:54:21 UTC |
1c613be | Vladimir Oltean | 20 July 2023, 00:02:31 UTC | net: phy: prevent stale pointer dereference in phy_init() mdio_bus_init() and phy_driver_register() both have error paths, and if those are ever hit, ethtool will have a stale pointer to the phy_ethtool_phy_ops stub structure, which references memory from a module that failed to load (phylib). It is probably hard to force an error in this code path even manually, but the error teardown path of phy_init() should be the same as phy_exit(), which is now simply not the case. Fixes: 55d8f053ce1b ("net: phy: Register ethtool PHY operations") Link: https://lore.kernel.org/netdev/ZLaiJ4G6TaJYGJyU@shell.armlinux.org.uk/ Suggested-by: Russell King (Oracle) <linux@armlinux.org.uk> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Link: https://lore.kernel.org/r/20230720000231.1939689-1-vladimir.oltean@nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 20 July 2023, 19:47:25 UTC |
7998c0a | Jakub Kicinski | 20 July 2023, 19:34:24 UTC | Merge branch 'tcp-add-missing-annotations' Eric Dumazet says: ==================== tcp: add missing annotations This series was inspired by one syzbot (KCSAN) report. do_tcp_getsockopt() does not lock the socket, we need to annotate most of the reads there (and other places as well). This is a first round, another series will come later. ==================== Link: https://lore.kernel.org/r/20230719212857.3943972-1-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 20 July 2023, 19:34:24 UTC |
70f360d | Eric Dumazet | 19 July 2023, 21:28:57 UTC | tcp: annotate data-races around fastopenq.max_qlen This field can be read locklessly. Fixes: 1536e2857bd3 ("tcp: Add a TCP_FASTOPEN socket option to get a max backlog on its listner") Signed-off-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/20230719212857.3943972-12-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 20 July 2023, 19:34:18 UTC |
26023e9 | Eric Dumazet | 19 July 2023, 21:28:56 UTC | tcp: annotate data-races around icsk->icsk_user_timeout This field can be read locklessly from do_tcp_getsockopt() Fixes: dca43c75e7e5 ("tcp: Add TCP_USER_TIMEOUT socket option.") Signed-off-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/20230719212857.3943972-11-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 20 July 2023, 19:34:18 UTC |
1aeb87b | Eric Dumazet | 19 July 2023, 21:28:55 UTC | tcp: annotate data-races around tp->notsent_lowat tp->notsent_lowat can be read locklessly from do_tcp_getsockopt() and tcp_poll(). Fixes: c9bee3b7fdec ("tcp: TCP_NOTSENT_LOWAT socket option") Signed-off-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/20230719212857.3943972-10-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 20 July 2023, 19:34:18 UTC |
ae488c7 | Eric Dumazet | 19 July 2023, 21:28:54 UTC | tcp: annotate data-races around rskq_defer_accept do_tcp_getsockopt() reads rskq_defer_accept while another cpu might change its value. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/20230719212857.3943972-9-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 20 July 2023, 19:34:18 UTC |
9df5335 | Eric Dumazet | 19 July 2023, 21:28:53 UTC | tcp: annotate data-races around tp->linger2 do_tcp_getsockopt() reads tp->linger2 while another cpu might change its value. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/20230719212857.3943972-8-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 20 July 2023, 19:34:18 UTC |
3a037f0 | Eric Dumazet | 19 July 2023, 21:28:52 UTC | tcp: annotate data-races around icsk->icsk_syn_retries do_tcp_getsockopt() and reqsk_timer_handler() read icsk->icsk_syn_retries while another cpu might change its value. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/20230719212857.3943972-7-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 20 July 2023, 19:34:18 UTC |
6e5e1de | Eric Dumazet | 19 July 2023, 21:28:51 UTC | tcp: annotate data-races around tp->keepalive_probes do_tcp_getsockopt() reads tp->keepalive_probes while another cpu might change its value. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/20230719212857.3943972-6-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 20 July 2023, 19:34:18 UTC |
5ecf9d4 | Eric Dumazet | 19 July 2023, 21:28:50 UTC | tcp: annotate data-races around tp->keepalive_intvl do_tcp_getsockopt() reads tp->keepalive_intvl while another cpu might change its value. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/20230719212857.3943972-5-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 20 July 2023, 19:34:18 UTC |
4164245 | Eric Dumazet | 19 July 2023, 21:28:49 UTC | tcp: annotate data-races around tp->keepalive_time do_tcp_getsockopt() reads tp->keepalive_time while another cpu might change its value. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/20230719212857.3943972-4-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 20 July 2023, 19:34:18 UTC |
dd23c9f | Eric Dumazet | 19 July 2023, 21:28:48 UTC | tcp: annotate data-races around tp->tsoffset do_tcp_getsockopt() reads tp->tsoffset while another cpu might change its value. Fixes: 93be6ce0e91b ("tcp: set and get per-socket timestamp") Signed-off-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/20230719212857.3943972-3-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 20 July 2023, 19:34:18 UTC |
348b81b | Eric Dumazet | 19 July 2023, 21:28:47 UTC | tcp: annotate data-races around tp->tcp_tx_delay do_tcp_getsockopt() reads tp->tcp_tx_delay while another cpu might change its value. Fixes: a842fe1425cb ("tcp: add optional per socket transmit delay") Signed-off-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/20230719212857.3943972-2-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 20 July 2023, 19:34:17 UTC |
3641c90 | Chengming Zhou | 20 July 2023, 09:55:12 UTC | blk-mq: delete dead struct blk_mq_hw_ctx->queued field This counter is not used anywhere, so delete it. Signed-off-by: Chengming Zhou <zhouchengming@bytedance.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Link: https://lore.kernel.org/r/20230720095512.1403123-1-chengming.zhou@linux.dev Signed-off-by: Jens Axboe <axboe@kernel.dk> | 20 July 2023, 19:29:25 UTC |
a9be202 | Jens Axboe | 20 July 2023, 19:16:53 UTC | io_uring: treat -EAGAIN for REQ_F_NOWAIT as final for io-wq io-wq assumes that an issue is blocking, but it may not be if the request type has asked for a non-blocking attempt. If we get -EAGAIN for that case, then we need to treat it as a final result and not retry or arm poll for it. Cc: stable@vger.kernel.org # 5.10+ Link: https://github.com/axboe/liburing/issues/897 Signed-off-by: Jens Axboe <axboe@kernel.dk> | 20 July 2023, 19:16:53 UTC |
d1f0a98 | Andy Shevchenko | 17 July 2023, 09:32:14 UTC | Bluetooth: MGMT: Use correct address for memcpy() In function ‘fortify_memcpy_chk’, inlined from ‘get_conn_info_complete’ at net/bluetooth/mgmt.c:7281:2: include/linux/fortify-string.h:592:25: error: call to ‘__read_overflow2_field’ declared with attribute warning: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Werror=attribute-warning] 592 | __read_overflow2_field(q_size_field, size); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors This is due to the wrong member is used for memcpy(). Use correct one. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 20 July 2023, 18:27:22 UTC |
95b7015 | Tomasz Moń | 13 July 2023, 10:25:14 UTC | Bluetooth: btusb: Fix bluetooth on Intel Macbook 2014 Commit c13380a55522 ("Bluetooth: btusb: Do not require hardcoded interface numbers") inadvertedly broke bluetooth on Intel Macbook 2014. The intention was to keep behavior intact when BTUSB_IFNUM_2 is set and otherwise allow any interface numbers. The problem is that the new logic condition omits the case where bInterfaceNumber is 0. Fix BTUSB_IFNUM_2 handling by allowing both interface number 0 and 2 when the flag is set. Fixes: c13380a55522 ("Bluetooth: btusb: Do not require hardcoded interface numbers") Reported-by: John Holland <johnbholland@icloud.com> Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217651 Signed-off-by: Tomasz Moń <tomasz.mon@nordicsemi.no> Tested-by: John Holland<johnbholland@icloud.com> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 20 July 2023, 18:26:56 UTC |
3dcaa19 | Pauli Virtanen | 10 July 2023, 16:48:19 UTC | Bluetooth: SCO: fix sco_conn related locking and validity issues Operations that check/update sk_state and access conn should hold lock_sock, otherwise they can race. The order of taking locks is hci_dev_lock > lock_sock > sco_conn_lock, which is how it is in connect/disconnect_cfm -> sco_conn_del -> sco_chan_del. Fix locking in sco_connect to take lock_sock around updating sk_state and conn. sco_conn_del must not occur during sco_connect, as it frees the sco_conn. Hold hdev->lock longer to prevent that. sco_conn_add shall return sco_conn with valid hcon. Make it so also when reusing an old SCO connection waiting for disconnect timeout (see __sco_sock_close where conn->hcon is set to NULL). This should not reintroduce the issue fixed in the earlier commit 9a8ec9e8ebb5 ("Bluetooth: SCO: Fix possible circular locking dependency on sco_connect_cfm"), the relevant fix of releasing lock_sock in sco_sock_connect before acquiring hdev->lock is retained. These changes mirror similar fixes earlier in ISO sockets. Fixes: 9a8ec9e8ebb5 ("Bluetooth: SCO: Fix possible circular locking dependency on sco_connect_cfm") Signed-off-by: Pauli Virtanen <pav@iki.fi> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 20 July 2023, 18:26:56 UTC |
b4066eb | Siddh Raman Pant | 11 July 2023, 13:13:53 UTC | Bluetooth: hci_conn: return ERR_PTR instead of NULL when there is no link hci_connect_sco currently returns NULL when there is no link (i.e. when hci_conn_link() returns NULL). sco_connect() expects an ERR_PTR in case of any error (see line 266 in sco.c). Thus, hcon set as NULL passes through to sco_conn_add(), which tries to get hcon->hdev, resulting in dereferencing a NULL pointer as reported by syzkaller. The same issue exists for iso_connect_cis() calling hci_connect_cis(). Thus, make hci_connect_sco() and hci_connect_cis() return ERR_PTR instead of NULL. Reported-and-tested-by: syzbot+37acd5d80d00d609d233@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=37acd5d80d00d609d233 Fixes: 06149746e720 ("Bluetooth: hci_conn: Add support for linking multiple hcon") Signed-off-by: Siddh Raman Pant <code@siddh.me> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 20 July 2023, 18:26:56 UTC |
de6dfce | Douglas Anderson | 30 June 2023, 22:33:14 UTC | Bluetooth: hci_sync: Avoid use-after-free in dbg for hci_remove_adv_monitor() KASAN reports that there's a use-after-free in hci_remove_adv_monitor(). Trawling through the disassembly, you can see that the complaint is from the access in bt_dev_dbg() under the HCI_ADV_MONITOR_EXT_MSFT case. The problem case happens because msft_remove_monitor() can end up freeing the monitor structure. Specifically: hci_remove_adv_monitor() -> msft_remove_monitor() -> msft_remove_monitor_sync() -> msft_le_cancel_monitor_advertisement_cb() -> hci_free_adv_monitor() Let's fix the problem by just stashing the relevant data when it's still valid. Fixes: 7cf5c2978f23 ("Bluetooth: hci_sync: Refactor remove Adv Monitor") Signed-off-by: Douglas Anderson <dianders@chromium.org> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 20 July 2023, 18:25:50 UTC |
6910e2e | Arnd Bergmann | 03 July 2023, 11:30:48 UTC | Bluetooth: coredump: fix building with coredump disabled The btmtk driver uses an IS_ENABLED() check to conditionally compile the coredump support, but this fails to build because the hdev->dump member is in an #ifdef: drivers/bluetooth/btmtk.c: In function 'btmtk_process_coredump': drivers/bluetooth/btmtk.c:386:30: error: 'struct hci_dev' has no member named 'dump' 386 | schedule_delayed_work(&hdev->dump.dump_timeout, | ^~ The struct member doesn't really make a huge difference in the total size, so just remove the #ifdef around it to avoid adding similar checks around each user. Fixes: 872f8c253cb9e ("Bluetooth: btusb: mediatek: add MediaTek devcoredump support") Fixes: 9695ef876fd12 ("Bluetooth: Add support for hci devcoredump") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 20 July 2023, 18:25:24 UTC |
d40ae85 | Pauli Virtanen | 18 June 2023, 22:04:33 UTC | Bluetooth: ISO: fix iso_conn related locking and validity issues sk->sk_state indicates whether iso_pi(sk)->conn is valid. Operations that check/update sk_state and access conn should hold lock_sock, otherwise they can race. The order of taking locks is hci_dev_lock > lock_sock > iso_conn_lock, which is how it is in connect/disconnect_cfm -> iso_conn_del -> iso_chan_del. Fix locking in iso_connect_cis/bis and sendmsg/recvmsg to take lock_sock around updating sk_state and conn. iso_conn_del must not occur during iso_connect_cis/bis, as it frees the iso_conn. Hold hdev->lock longer to prevent that. This should not reintroduce the issue fixed in commit 241f51931c35 ("Bluetooth: ISO: Avoid circular locking dependency"), since the we acquire locks in order. We retain the fix in iso_sock_connect to release lock_sock before iso_connect_* acquires hdev->lock. Similarly for commit 6a5ad251b7cd ("Bluetooth: ISO: Fix possible circular locking dependency"). We retain the fix in iso_conn_ready to not acquire iso_conn_lock before lock_sock. iso_conn_add shall return iso_conn with valid hcon. Make it so also when reusing an old CIS connection waiting for disconnect timeout (see __iso_sock_close where conn->hcon is set to NULL). Trace with iso_conn_del after iso_chan_add in iso_connect_cis: =============================================================== iso_sock_create:771: sock 00000000be9b69b7 iso_sock_init:693: sk 000000004dff667e iso_sock_bind:827: sk 000000004dff667e 70:1a:b8:98:ff:a2 type 1 iso_sock_setsockopt:1289: sk 000000004dff667e iso_sock_setsockopt:1289: sk 000000004dff667e iso_sock_setsockopt:1289: sk 000000004dff667e iso_sock_connect:875: sk 000000004dff667e iso_connect_cis:353: 70:1a:b8:98:ff:a2 -> 28:3d:c2:4a:7e:da hci_get_route:1199: 70:1a:b8:98:ff:a2 -> 28:3d:c2:4a:7e:da hci_conn_add:1005: hci0 dst 28:3d:c2:4a:7e:da iso_conn_add:140: hcon 000000007b65d182 conn 00000000daf8625e __iso_chan_add:214: conn 00000000daf8625e iso_connect_cfm:1700: hcon 000000007b65d182 bdaddr 28:3d:c2:4a:7e:da status 12 iso_conn_del:187: hcon 000000007b65d182 conn 00000000daf8625e, err 16 iso_sock_clear_timer:117: sock 000000004dff667e state 3 <Note: sk_state is BT_BOUND (3), so iso_connect_cis is still running at this point> iso_chan_del:153: sk 000000004dff667e, conn 00000000daf8625e, err 16 hci_conn_del:1151: hci0 hcon 000000007b65d182 handle 65535 hci_conn_unlink:1102: hci0: hcon 000000007b65d182 hci_chan_list_flush:2780: hcon 000000007b65d182 iso_sock_getsockopt:1376: sk 000000004dff667e iso_sock_getname:1070: sock 00000000be9b69b7, sk 000000004dff667e iso_sock_getname:1070: sock 00000000be9b69b7, sk 000000004dff667e iso_sock_getsockopt:1376: sk 000000004dff667e iso_sock_getname:1070: sock 00000000be9b69b7, sk 000000004dff667e iso_sock_getname:1070: sock 00000000be9b69b7, sk 000000004dff667e iso_sock_shutdown:1434: sock 00000000be9b69b7, sk 000000004dff667e, how 1 __iso_sock_close:632: sk 000000004dff667e state 5 socket 00000000be9b69b7 <Note: sk_state is BT_CONNECT (5), even though iso_chan_del sets BT_CLOSED (6). Only iso_connect_cis sets it to BT_CONNECT, so it must be that iso_chan_del occurred between iso_chan_add and end of iso_connect_cis.> BUG: kernel NULL pointer dereference, address: 0000000000000000 PGD 8000000006467067 P4D 8000000006467067 PUD 3f5f067 PMD 0 Oops: 0000 [#1] PREEMPT SMP PTI Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-1.fc38 04/01/2014 RIP: 0010:__iso_sock_close (net/bluetooth/iso.c:664) bluetooth =============================================================== Trace with iso_conn_del before iso_chan_add in iso_connect_cis: =============================================================== iso_connect_cis:356: 70:1a:b8:98:ff:a2 -> 28:3d:c2:4a:7e:da ... iso_conn_add:140: hcon 0000000093bc551f conn 00000000768ae504 hci_dev_put:1487: hci0 orig refcnt 21 hci_event_packet:7607: hci0: event 0x0e hci_cmd_complete_evt:4231: hci0: opcode 0x2062 hci_cc_le_set_cig_params:3846: hci0: status 0x07 hci_sent_cmd_data:3107: hci0 opcode 0x2062 iso_connect_cfm:1703: hcon 0000000093bc551f bdaddr 28:3d:c2:4a:7e:da status 7 iso_conn_del:187: hcon 0000000093bc551f conn 00000000768ae504, err 12 hci_conn_del:1151: hci0 hcon 0000000093bc551f handle 65535 hci_conn_unlink:1102: hci0: hcon 0000000093bc551f hci_chan_list_flush:2780: hcon 0000000093bc551f __iso_chan_add:214: conn 00000000768ae504 <Note: this conn was already freed in iso_conn_del above> iso_sock_clear_timer:117: sock 0000000098323f95 state 3 general protection fault, probably for non-canonical address 0x30b29c630930aec8: 0000 [#1] PREEMPT SMP PTI CPU: 1 PID: 1920 Comm: bluetoothd Tainted: G E 6.3.0-rc7+ #4 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-1.fc38 04/01/2014 RIP: 0010:detach_if_pending+0x28/0xd0 Code: 90 90 0f 1f 44 00 00 48 8b 47 08 48 85 c0 0f 84 ad 00 00 00 55 89 d5 53 48 83 3f 00 48 89 fb 74 7d 66 90 48 8b 03 48 8b 53 08 <> RSP: 0018:ffffb90841a67d08 EFLAGS: 00010007 RAX: 0000000000000000 RBX: ffff9141bd5061b8 RCX: 0000000000000000 RDX: 30b29c630930aec8 RSI: ffff9141fdd21e80 RDI: ffff9141bd5061b8 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffb90841a67b88 R10: 0000000000000003 R11: ffffffff8613f558 R12: ffff9141fdd21e80 R13: 0000000000000000 R14: ffff9141b5976010 R15: ffff914185755338 FS: 00007f45768bd840(0000) GS:ffff9141fdd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000619000424074 CR3: 0000000009f5e005 CR4: 0000000000170ee0 Call Trace: <TASK> timer_delete+0x48/0x80 try_to_grab_pending+0xdf/0x170 __cancel_work+0x37/0xb0 iso_connect_cis+0x141/0x400 [bluetooth] =============================================================== Trace with NULL conn->hcon in state BT_CONNECT: =============================================================== __iso_sock_close:619: sk 00000000f7c71fc5 state 1 socket 00000000d90c5fe5 ... __iso_sock_close:619: sk 00000000f7c71fc5 state 8 socket 00000000d90c5fe5 iso_chan_del:153: sk 00000000f7c71fc5, conn 0000000022c03a7e, err 104 ... iso_sock_connect:862: sk 00000000129b56c3 iso_connect_cis:348: 70:1a:b8:98:ff:a2 -> 28:3d:c2:4a:7d:2a hci_get_route:1199: 70:1a:b8:98:ff:a2 -> 28:3d:c2:4a:7d:2a hci_dev_hold:1495: hci0 orig refcnt 19 __iso_chan_add:214: conn 0000000022c03a7e <Note: reusing old conn> iso_sock_clear_timer:117: sock 00000000129b56c3 state 3 ... iso_sock_ready:1485: sk 00000000129b56c3 ... iso_sock_sendmsg:1077: sock 00000000e5013966, sk 00000000129b56c3 BUG: kernel NULL pointer dereference, address: 00000000000006a8 PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP PTI CPU: 1 PID: 1403 Comm: wireplumber Tainted: G E 6.3.0-rc7+ #4 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-1.fc38 04/01/2014 RIP: 0010:iso_sock_sendmsg+0x63/0x2a0 [bluetooth] =============================================================== Fixes: 241f51931c35 ("Bluetooth: ISO: Avoid circular locking dependency") Fixes: 6a5ad251b7cd ("Bluetooth: ISO: Fix possible circular locking dependency") Signed-off-by: Pauli Virtanen <pav@iki.fi> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 20 July 2023, 18:25:24 UTC |
7f7cfcb | Pauli Virtanen | 18 June 2023, 22:04:32 UTC | Bluetooth: hci_event: call disconnect callback before deleting conn In hci_cs_disconnect, we do hci_conn_del even if disconnection failed. ISO, L2CAP and SCO connections refer to the hci_conn without hci_conn_get, so disconn_cfm must be called so they can clean up their conn, otherwise use-after-free occurs. ISO: ========================================================== iso_sock_connect:880: sk 00000000eabd6557 iso_connect_cis:356: 70:1a:b8:98:ff:a2 -> 28:3d:c2:4a:7e:da ... iso_conn_add:140: hcon 000000001696f1fd conn 00000000b6251073 hci_dev_put:1487: hci0 orig refcnt 17 __iso_chan_add:214: conn 00000000b6251073 iso_sock_clear_timer:117: sock 00000000eabd6557 state 3 ... hci_rx_work:4085: hci0 Event packet hci_event_packet:7601: hci0: event 0x0f hci_cmd_status_evt:4346: hci0: opcode 0x0406 hci_cs_disconnect:2760: hci0: status 0x0c hci_sent_cmd_data:3107: hci0 opcode 0x0406 hci_conn_del:1151: hci0 hcon 000000001696f1fd handle 2560 hci_conn_unlink:1102: hci0: hcon 000000001696f1fd hci_conn_drop:1451: hcon 00000000d8521aaf orig refcnt 2 hci_chan_list_flush:2780: hcon 000000001696f1fd hci_dev_put:1487: hci0 orig refcnt 21 hci_dev_put:1487: hci0 orig refcnt 20 hci_req_cmd_complete:3978: opcode 0x0406 status 0x0c ... <no iso_* activity on sk/conn> ... iso_sock_sendmsg:1098: sock 00000000dea5e2e0, sk 00000000eabd6557 BUG: kernel NULL pointer dereference, address: 0000000000000668 PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP PTI Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-1.fc38 04/01/2014 RIP: 0010:iso_sock_sendmsg (net/bluetooth/iso.c:1112) bluetooth ========================================================== L2CAP: ================================================================== hci_cmd_status_evt:4359: hci0: opcode 0x0406 hci_cs_disconnect:2760: hci0: status 0x0c hci_sent_cmd_data:3085: hci0 opcode 0x0406 hci_conn_del:1151: hci0 hcon ffff88800c999000 handle 3585 hci_conn_unlink:1102: hci0: hcon ffff88800c999000 hci_chan_list_flush:2780: hcon ffff88800c999000 hci_chan_del:2761: hci0 hcon ffff88800c999000 chan ffff888018ddd280 ... BUG: KASAN: slab-use-after-free in hci_send_acl+0x2d/0x540 [bluetooth] Read of size 8 at addr ffff888018ddd298 by task bluetoothd/1175 CPU: 0 PID: 1175 Comm: bluetoothd Tainted: G E 6.4.0-rc4+ #2 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-1.fc38 04/01/2014 Call Trace: <TASK> dump_stack_lvl+0x5b/0x90 print_report+0xcf/0x670 ? __virt_addr_valid+0xf8/0x180 ? hci_send_acl+0x2d/0x540 [bluetooth] kasan_report+0xa8/0xe0 ? hci_send_acl+0x2d/0x540 [bluetooth] hci_send_acl+0x2d/0x540 [bluetooth] ? __pfx___lock_acquire+0x10/0x10 l2cap_chan_send+0x1fd/0x1300 [bluetooth] ? l2cap_sock_sendmsg+0xf2/0x170 [bluetooth] ? __pfx_l2cap_chan_send+0x10/0x10 [bluetooth] ? lock_release+0x1d5/0x3c0 ? mark_held_locks+0x1a/0x90 l2cap_sock_sendmsg+0x100/0x170 [bluetooth] sock_write_iter+0x275/0x280 ? __pfx_sock_write_iter+0x10/0x10 ? __pfx___lock_acquire+0x10/0x10 do_iter_readv_writev+0x176/0x220 ? __pfx_do_iter_readv_writev+0x10/0x10 ? find_held_lock+0x83/0xa0 ? selinux_file_permission+0x13e/0x210 do_iter_write+0xda/0x340 vfs_writev+0x1b4/0x400 ? __pfx_vfs_writev+0x10/0x10 ? __seccomp_filter+0x112/0x750 ? populate_seccomp_data+0x182/0x220 ? __fget_light+0xdf/0x100 ? do_writev+0x19d/0x210 do_writev+0x19d/0x210 ? __pfx_do_writev+0x10/0x10 ? mark_held_locks+0x1a/0x90 do_syscall_64+0x60/0x90 ? lockdep_hardirqs_on_prepare+0x149/0x210 ? do_syscall_64+0x6c/0x90 ? lockdep_hardirqs_on_prepare+0x149/0x210 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7ff45cb23e64 Code: 15 d1 1f 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 80 3d 9d a7 0d 00 00 74 13 b8 14 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 54 c3 0f 1f 00 48 83 ec 28 89 54 24 1c 48 89 RSP: 002b:00007fff21ae09b8 EFLAGS: 00000202 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff45cb23e64 RDX: 0000000000000001 RSI: 00007fff21ae0aa0 RDI: 0000000000000017 RBP: 00007fff21ae0aa0 R08: 000000000095a8a0 R09: 0000607000053f40 R10: 0000000000000001 R11: 0000000000000202 R12: 00007fff21ae0ac0 R13: 00000fffe435c150 R14: 00007fff21ae0a80 R15: 000060f000000040 </TASK> Allocated by task 771: kasan_save_stack+0x33/0x60 kasan_set_track+0x25/0x30 __kasan_kmalloc+0xaa/0xb0 hci_chan_create+0x67/0x1b0 [bluetooth] l2cap_conn_add.part.0+0x17/0x590 [bluetooth] l2cap_connect_cfm+0x266/0x6b0 [bluetooth] hci_le_remote_feat_complete_evt+0x167/0x310 [bluetooth] hci_event_packet+0x38d/0x800 [bluetooth] hci_rx_work+0x287/0xb20 [bluetooth] process_one_work+0x4f7/0x970 worker_thread+0x8f/0x620 kthread+0x17f/0x1c0 ret_from_fork+0x2c/0x50 Freed by task 771: kasan_save_stack+0x33/0x60 kasan_set_track+0x25/0x30 kasan_save_free_info+0x2e/0x50 ____kasan_slab_free+0x169/0x1c0 slab_free_freelist_hook+0x9e/0x1c0 __kmem_cache_free+0xc0/0x310 hci_chan_list_flush+0x46/0x90 [bluetooth] hci_conn_cleanup+0x7d/0x330 [bluetooth] hci_cs_disconnect+0x35d/0x530 [bluetooth] hci_cmd_status_evt+0xef/0x2b0 [bluetooth] hci_event_packet+0x38d/0x800 [bluetooth] hci_rx_work+0x287/0xb20 [bluetooth] process_one_work+0x4f7/0x970 worker_thread+0x8f/0x620 kthread+0x17f/0x1c0 ret_from_fork+0x2c/0x50 ================================================================== Fixes: b8d290525e39 ("Bluetooth: clean up connection in hci_cs_disconnect") Signed-off-by: Pauli Virtanen <pav@iki.fi> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 20 July 2023, 18:25:24 UTC |
195ef75 | Pauli Virtanen | 18 June 2023, 22:04:31 UTC | Bluetooth: use RCU for hci_conn_params and iterate safely in hci_sync hci_update_accept_list_sync iterates over hdev->pend_le_conns and hdev->pend_le_reports, and waits for controller events in the loop body, without holding hdev lock. Meanwhile, these lists and the items may be modified e.g. by le_scan_cleanup. This can invalidate the list cursor or any other item in the list, resulting to invalid behavior (eg use-after-free). Use RCU for the hci_conn_params action lists. Since the loop bodies in hci_sync block and we cannot use RCU or hdev->lock for the whole loop, copy list items first and then iterate on the copy. Only the flags field is written from elsewhere, so READ_ONCE/WRITE_ONCE should guarantee we read valid values. Free params everywhere with hci_conn_params_free so the cleanup is guaranteed to be done properly. This fixes the following, which can be triggered e.g. by BlueZ new mgmt-tester case "Add + Remove Device Nowait - Success", or by changing hci_le_set_cig_params to always return false, and running iso-tester: ================================================================== BUG: KASAN: slab-use-after-free in hci_update_passive_scan_sync (net/bluetooth/hci_sync.c:2536 net/bluetooth/hci_sync.c:2723 net/bluetooth/hci_sync.c:2841) Read of size 8 at addr ffff888001265018 by task kworker/u3:0/32 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-1.fc38 04/01/2014 Workqueue: hci0 hci_cmd_sync_work Call Trace: <TASK> dump_stack_lvl (./arch/x86/include/asm/irqflags.h:134 lib/dump_stack.c:107) print_report (mm/kasan/report.c:320 mm/kasan/report.c:430) ? __virt_addr_valid (./include/linux/mmzone.h:1915 ./include/linux/mmzone.h:2011 arch/x86/mm/physaddr.c:65) ? hci_update_passive_scan_sync (net/bluetooth/hci_sync.c:2536 net/bluetooth/hci_sync.c:2723 net/bluetooth/hci_sync.c:2841) kasan_report (mm/kasan/report.c:538) ? hci_update_passive_scan_sync (net/bluetooth/hci_sync.c:2536 net/bluetooth/hci_sync.c:2723 net/bluetooth/hci_sync.c:2841) hci_update_passive_scan_sync (net/bluetooth/hci_sync.c:2536 net/bluetooth/hci_sync.c:2723 net/bluetooth/hci_sync.c:2841) ? __pfx_hci_update_passive_scan_sync (net/bluetooth/hci_sync.c:2780) ? mutex_lock (kernel/locking/mutex.c:282) ? __pfx_mutex_lock (kernel/locking/mutex.c:282) ? __pfx_mutex_unlock (kernel/locking/mutex.c:538) ? __pfx_update_passive_scan_sync (net/bluetooth/hci_sync.c:2861) hci_cmd_sync_work (net/bluetooth/hci_sync.c:306) process_one_work (./arch/x86/include/asm/preempt.h:27 kernel/workqueue.c:2399) worker_thread (./include/linux/list.h:292 kernel/workqueue.c:2538) ? __pfx_worker_thread (kernel/workqueue.c:2480) kthread (kernel/kthread.c:376) ? __pfx_kthread (kernel/kthread.c:331) ret_from_fork (arch/x86/entry/entry_64.S:314) </TASK> Allocated by task 31: kasan_save_stack (mm/kasan/common.c:46) kasan_set_track (mm/kasan/common.c:52) __kasan_kmalloc (mm/kasan/common.c:374 mm/kasan/common.c:383) hci_conn_params_add (./include/linux/slab.h:580 ./include/linux/slab.h:720 net/bluetooth/hci_core.c:2277) hci_connect_le_scan (net/bluetooth/hci_conn.c:1419 net/bluetooth/hci_conn.c:1589) hci_connect_cis (net/bluetooth/hci_conn.c:2266) iso_connect_cis (net/bluetooth/iso.c:390) iso_sock_connect (net/bluetooth/iso.c:899) __sys_connect (net/socket.c:2003 net/socket.c:2020) __x64_sys_connect (net/socket.c:2027) do_syscall_64 (arch/x86/entry/common.c:50 arch/x86/entry/common.c:80) entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:120) Freed by task 15: kasan_save_stack (mm/kasan/common.c:46) kasan_set_track (mm/kasan/common.c:52) kasan_save_free_info (mm/kasan/generic.c:523) __kasan_slab_free (mm/kasan/common.c:238 mm/kasan/common.c:200 mm/kasan/common.c:244) __kmem_cache_free (mm/slub.c:1807 mm/slub.c:3787 mm/slub.c:3800) hci_conn_params_del (net/bluetooth/hci_core.c:2323) le_scan_cleanup (net/bluetooth/hci_conn.c:202) process_one_work (./arch/x86/include/asm/preempt.h:27 kernel/workqueue.c:2399) worker_thread (./include/linux/list.h:292 kernel/workqueue.c:2538) kthread (kernel/kthread.c:376) ret_from_fork (arch/x86/entry/entry_64.S:314) ================================================================== Fixes: e8907f76544f ("Bluetooth: hci_sync: Make use of hci_cmd_sync_queue set 3") Signed-off-by: Pauli Virtanen <pav@iki.fi> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 20 July 2023, 18:25:24 UTC |
e599e16 | Linus Torvalds | 20 July 2023, 17:10:02 UTC | Merge tag 'iomap-6.5-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux Pull iomap fix from Darrick Wong: "Fix partial write regression. It turns out that fstests doesn't have any test coverage for short writes, but LTP does. Fortunately, this was caught right after -rc1 was tagged. Summary: - Fix a bug wherein a failed write could clobber short write status" * tag 'iomap-6.5-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: iomap: micro optimize the ki_pos assignment in iomap_file_buffered_write iomap: fix a regression for partial write errors | 20 July 2023, 17:10:02 UTC |
6943588 | Linus Torvalds | 20 July 2023, 17:03:41 UTC | Merge tag 'xfs-6.5-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux Pull xfs fixes from Darrick Wong: "Flexarray declaration conversions. This probably should've been done with the merge window open, but I was not aware that the UBSAN knob would be getting turned up for 6.5, and the fstests failures due to the kernel warnings are getting in the way of testing. Summary: - Convert all the array[1] declarations into the accepted flex array[] declarations so that UBSAN and friends will not get confused" * tag 'xfs-6.5-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: xfs: convert flex-array declarations in xfs attr shortform objects xfs: convert flex-array declarations in xfs attr leaf blocks xfs: convert flex-array declarations in struct xfs_attrlist* | 20 July 2023, 17:03:41 UTC |
6eaf41e | Pablo Neira Ayuso | 20 July 2023, 07:17:21 UTC | netfilter: nf_tables: skip bound chain on rule flush Skip bound chain when flushing table rules, the rule that owns this chain releases these objects. Otherwise, the following warning is triggered: WARNING: CPU: 2 PID: 1217 at net/netfilter/nf_tables_api.c:2013 nf_tables_chain_destroy+0x1f7/0x210 [nf_tables] CPU: 2 PID: 1217 Comm: chain-flush Not tainted 6.1.39 #1 RIP: 0010:nf_tables_chain_destroy+0x1f7/0x210 [nf_tables] Fixes: d0e2c7de92c7 ("netfilter: nf_tables: add NFT_CHAIN_BINDING") Reported-by: Kevin Rich <kevinrich1337@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Florian Westphal <fw@strlen.de> | 20 July 2023, 15:21:11 UTC |
4667025 | Linus Torvalds | 20 July 2023, 15:11:30 UTC | Merge tag 'for-6.5-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux Pull btrfs fixes from David Sterba: "Stable fixes: - fix race between balance and cancel/pause - various iput() fixes - fix use-after-free of new block group that became unused - fix warning when putting transaction with qgroups enabled after abort - fix crash in subpage mode when page could be released between map and map read - when scrubbing raid56 verify the P/Q stripes unconditionally - fix minor memory leak in zoned mode when a block group with an unexpected superblock is found Regression fixes: - fix ordered extent split error handling when submitting direct IO - user irq-safe locking when adding delayed iputs" * tag 'for-6.5-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: btrfs: fix warning when putting transaction with qgroups enabled after abort btrfs: fix ordered extent split error handling in btrfs_dio_submit_io btrfs: set_page_extent_mapped after read_folio in btrfs_cont_expand btrfs: raid56: always verify the P/Q contents for scrub btrfs: use irq safe locking when running and adding delayed iputs btrfs: fix iput() on error pointer after error during orphan cleanup btrfs: fix double iput() on inode after an error during orphan cleanup btrfs: zoned: fix memory leak after finding block group with super blocks btrfs: fix use-after-free of new block group that became unused btrfs: be a bit more careful when setting mirror_num_ret in btrfs_map_block btrfs: fix race between balance and cancel/pause | 20 July 2023, 15:11:30 UTC |
2922800 | Linus Torvalds | 20 July 2023, 15:06:18 UTC | Merge tag 'regulator-fix-v6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator Pull regulator fix from Mark Brown: "One fix for an issue with parsing partially specified DTs" * tag 'regulator-fix-v6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: regulator: da9063: fix null pointer deref with partial DT config | 20 July 2023, 15:06:18 UTC |
751d460 | Pablo Neira Ayuso | 19 July 2023, 18:19:43 UTC | netfilter: nf_tables: skip bound chain in netns release path Skip bound chain from netns release path, the rule that owns this chain releases these objects. Fixes: d0e2c7de92c7 ("netfilter: nf_tables: add NFT_CHAIN_BINDING") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Florian Westphal <fw@strlen.de> | 20 July 2023, 15:02:45 UTC |
4cfca53 | Harald Freudenberger | 17 July 2023, 14:55:29 UTC | s390/zcrypt: fix reply buffer calculations for CCA replies The length information for available buffer space for CCA replies is covered with two fields in the T6 header prepended on each CCA reply: fromcardlen1 and fromcardlen2. The sum of these both values must not exceed the AP bus limit for this card (24KB for CEX8, 12KB CEX7 and older) minus the always present headers. The current code adjusted the fromcardlen2 value in case of exceeding the AP bus limit when there was a non-zero value given from userspace. Some tests now showed that this was the wrong assumption. Instead the userspace value given for this field should always be trusted and if the sum of the two fields exceeds the AP bus limit for this card the first field fromcardlen1 should be adjusted instead. So now the calculation is done with this new insight in mind. Also some additional checks for overflow have been introduced and some comments to provide some documentation for future maintainers of this complicated calculation code. Furthermore the 128 bytes of fix overhead which is used in the current code is not correct. Investigations showed that for a reply always the same two header structs are prepended before a possible payload. So this is also fixed with this patch. Signed-off-by: Harald Freudenberger <freude@linux.ibm.com> Reviewed-by: Holger Dengler <dengler@linux.ibm.com> Cc: stable@vger.kernel.org Signed-off-by: Heiko Carstens <hca@linux.ibm.com> | 20 July 2023, 14:48:56 UTC |
1f7e906 | Wang Ming | 17 July 2023, 09:45:19 UTC | s390/crypto: use kfree_sensitive() instead of kfree() key might contain private part of the key, so better use kfree_sensitive() to free it. Signed-off-by: Wang Ming <machel@vivo.com> Reviewed-by: Harald Freudenberger <freude@linux.ibm.com> Link: https://lore.kernel.org/r/20230717094533.18418-1-machel@vivo.com Signed-off-by: Heiko Carstens <hca@linux.ibm.com> | 20 July 2023, 14:48:56 UTC |
5f69c65 | Takashi Iwai | 20 July 2023, 13:16:11 UTC | Merge tag 'asoc-fix-v6.5-rc1-2' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus ASoC: Fixes for v6.5 A few more fixes for v6.5, just small driver specific ones. | 20 July 2023, 13:16:11 UTC |
a9e2616 | Guenter Roeck | 20 July 2023, 03:28:47 UTC | regmap: Disable locking for RBTREE and MAPLE unit tests REGCACHE_RBTREE and REGCACHE_MAPLE dynamically allocate memory for regmap operations. This is incompatible with spinlock based locking which is used for fast_io operations. Disable locking for the associated unit tests to avoid lockdep splashes. Fixes: f033c26de5a5 ("regmap: Add maple tree based register cache") Fixes: 2238959b6ad2 ("regmap: Add some basic kunit tests") Signed-off-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/20230720032848.1306349-1-linux@roeck-us.net Signed-off-by: Mark Brown <broonie@kernel.org> | 20 July 2023, 12:57:01 UTC |
644ee70 | Bartosz Golaszewski | 19 July 2023, 11:41:01 UTC | gpio: mvebu: fix irq domain leak Uwe Kleine-König pointed out we still have one resource leak in the mvebu driver triggered on driver detach. Let's address it with a custom devm action. Fixes: 812d47889a8e ("gpio/mvebu: Use irq_domain_add_linear") Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 20 July 2023, 12:38:36 UTC |
78e9b21 | Arnd Bergmann | 09 June 2023, 12:06:32 UTC | accel/habanalabs: add more debugfs stub helpers Two functions got added with normal prototypes for debugfs, but not alternative when building without it: drivers/accel/habanalabs/common/device.c: In function 'hl_device_init': drivers/accel/habanalabs/common/device.c:2177:14: error: implicit declaration of function 'hl_debugfs_device_init'; did you mean 'hl_debugfs_init'? [-Werror=implicit-function-declaration] drivers/accel/habanalabs/common/device.c:2305:9: error: implicit declaration of function 'hl_debugfs_device_fini'; did you mean 'hl_debugfs_remove_file'? [-Werror=implicit-function-declaration] Add stubs for these as well. Fixes: 3b9abb4fa642 ("accel/habanalabs: expose debugfs files later") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Tomer Tayar <ttayar@habana.ai> Acked-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20230609120636.3969045-1-arnd@kernel.org | 20 July 2023, 10:51:59 UTC |
71e06e1 | Zhen Lei | 13 July 2023, 11:58:31 UTC | arm64: vdso: Clear common make C=2 warnings make C=2 ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- xxx.o When I use the command above to do a 'make C=2' check on any object file, the following warnings are always output: CHECK arch/arm64/kernel/vdso/vgettimeofday.c arch/arm64/kernel/vdso/vgettimeofday.c:9:5: warning: symbol '__kernel_clock_gettime' was not declared. Should it be static? arch/arm64/kernel/vdso/vgettimeofday.c:15:5: warning: symbol '__kernel_gettimeofday' was not declared. Should it be static? arch/arm64/kernel/vdso/vgettimeofday.c:21:5: warning: symbol '__kernel_clock_getres' was not declared. Should it be static? Therefore, the declaration of the three functions is added to eliminate these common warnings to provide a clean output. Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> Link: https://lore.kernel.org/r/20230713115831.777-1-thunder.leizhen@huawei.com Signed-off-by: Will Deacon <will@kernel.org> | 20 July 2023, 10:48:26 UTC |
a8bd38d | Nikhil V | 13 July 2023, 07:07:57 UTC | arm64: mm: Make hibernation aware of KFENCE In the restore path, swsusp_arch_suspend_exit uses copy_page() to over-write memory. However, with features like KFENCE enabled, there could be situations where it may have marked some pages as not valid, due to which it could be reported as invalid accesses. Consider a situation where page 'P' was part of the hibernation image. Now, when the resume kernel tries to restore the pages, the same page 'P' is already in use in the resume kernel and is kfence protected, due to which its mapping is removed from linear map. Since restoring pages happens with the resume kernel page tables, we would end up accessing 'P' during copy and results in kernel pagefault. The proposed fix tries to solve this issue by marking PTE as valid for such kfence protected pages. Co-developed-by: Pavankumar Kondeti <quic_pkondeti@quicinc.com> Signed-off-by: Pavankumar Kondeti <quic_pkondeti@quicinc.com> Signed-off-by: Nikhil V <quic_nprakash@quicinc.com> Link: https://lore.kernel.org/r/20230713070757.4093-1-quic_nprakash@quicinc.com Signed-off-by: Will Deacon <will@kernel.org> | 20 July 2023, 10:44:50 UTC |
87b5a5c | Florian Westphal | 19 July 2023, 19:08:21 UTC | netfilter: nft_set_pipapo: fix improper element removal end key should be equal to start unless NFT_SET_EXT_KEY_END is present. Its possible to add elements that only have a start key ("{ 1.0.0.0 . 2.0.0.0 }") without an internval end. Insertion treats this via: if (nft_set_ext_exists(ext, NFT_SET_EXT_KEY_END)) end = (const u8 *)nft_set_ext_key_end(ext)->data; else end = start; but removal side always uses nft_set_ext_key_end(). This is wrong and leads to garbage remaining in the set after removal next lookup/insert attempt will give: BUG: KASAN: slab-use-after-free in pipapo_get+0x8eb/0xb90 Read of size 1 at addr ffff888100d50586 by task nft-pipapo_uaf_/1399 Call Trace: kasan_report+0x105/0x140 pipapo_get+0x8eb/0xb90 nft_pipapo_insert+0x1dc/0x1710 nf_tables_newsetelem+0x31f5/0x4e00 .. Fixes: 3c4287f62044 ("nf_tables: Add set type for arbitrary concatenation of ranges") Reported-by: lonial con <kongln9170@gmail.com> Reviewed-by: Stefano Brivio <sbrivio@redhat.com> Signed-off-by: Florian Westphal <fw@strlen.de> | 20 July 2023, 10:27:34 UTC |
314c828 | Florian Westphal | 17 July 2023, 23:30:33 UTC | netfilter: nf_tables: can't schedule in nft_chain_validate Can be called via nft set element list iteration, which may acquire rcu and/or bh read lock (depends on set type). BUG: sleeping function called from invalid context at net/netfilter/nf_tables_api.c:3353 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 1232, name: nft preempt_count: 0, expected: 0 RCU nest depth: 1, expected: 0 2 locks held by nft/1232: #0: ffff8881180e3ea8 (&nft_net->commit_mutex){+.+.}-{3:3}, at: nf_tables_valid_genid #1: ffffffff83f5f540 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire Call Trace: nft_chain_validate nft_lookup_validate_setelem nft_pipapo_walk nft_lookup_validate nft_chain_validate nft_immediate_validate nft_chain_validate nf_tables_validate nf_tables_abort No choice but to move it to nf_tables_validate(). Fixes: 81ea01066741 ("netfilter: nf_tables: add rescheduling points during loop detection walks") Signed-off-by: Florian Westphal <fw@strlen.de> | 20 July 2023, 09:59:25 UTC |
ddbd8be | Florian Westphal | 19 July 2023, 22:29:58 UTC | netfilter: nf_tables: fix spurious set element insertion failure On some platforms there is a padding hole in the nft_verdict structure, between the verdict code and the chain pointer. On element insertion, if the new element clashes with an existing one and NLM_F_EXCL flag isn't set, we want to ignore the -EEXIST error as long as the data associated with duplicated element is the same as the existing one. The data equality check uses memcmp. For normal data (NFT_DATA_VALUE) this works fine, but for NFT_DATA_VERDICT padding area leads to spurious failure even if the verdict data is the same. This then makes the insertion fail with 'already exists' error, even though the new "key : data" matches an existing entry and userspace told the kernel that it doesn't want to receive an error indication. Fixes: c016c7e45ddf ("netfilter: nf_tables: honor NLM_F_EXCL flag in set element insertion") Signed-off-by: Florian Westphal <fw@strlen.de> | 20 July 2023, 09:56:50 UTC |
de90f51 | Vitaly Rodionov | 20 July 2023, 08:20:22 UTC | ALSA: hda/realtek: Add support for DELL Oasis 13/14/16 laptops Adding support for new Dell laptops using Cirrus Logic CS35L41 smart amplifiers with Realtek codec. Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com> Signed-off-by: Vitaly Rodionov <vitalyr@opensource.cirrus.com> Link: https://lore.kernel.org/r/20230720082022.13033-2-vitalyr@opensource.cirrus.com Signed-off-by: Takashi Iwai <tiwai@suse.de> | 20 July 2023, 09:12:23 UTC |
f7b069c | Vitaly Rodionov | 20 July 2023, 08:20:21 UTC | ALSA: hda/realtek: Fix generic fixup definition for cs35l41 amp Generic fixup for CS35L41 amplifies should not have vendor specific chained fixup. For ThinkPad laptops with led issue, we can just add specific fixup. Fixes: a6ac60b36dade (ALSA: hda/realtek: Fix mute led issue on thinkpad with cs35l41 s-codec) Signed-off-by: Vitaly Rodionov <vitalyr@opensource.cirrus.com> Link: https://lore.kernel.org/r/20230720082022.13033-1-vitalyr@opensource.cirrus.com Signed-off-by: Takashi Iwai <tiwai@suse.de> | 20 July 2023, 09:11:01 UTC |
ac52864 | Paolo Abeni | 20 July 2023, 08:46:33 UTC | Merge branch 'net-support-stp-on-bridge-in-non-root-netns' Kuniyuki Iwashima says: ==================== net: Support STP on bridge in non-root netns. Currently, STP does not work in non-root netns as llc_rcv() drops packets from non-root netns. This series fixes it by making some protocol handlers netns-aware, which are called from llc_rcv() as follows: llc_rcv() | |- sap->rcv_func : registered by llc_sap_open() | | * functions : regsitered by register_8022_client() | -> No in-kernel user call register_8022_client() | | * snap_rcv() | | | `- proto->rcvfunc() : registered by register_snap_client() | | * aarp_rcv() : drop packets from non-root netns | * atalk_rcv() : drop packets from non-root netns | | * stp_pdu_rcv() | | | `- garp_protos[]->rcv() : registered by stp_proto_register() | | * garp_pdu_rcv() : netns-aware | * br_stp_rcv() : netns-aware | |- llc_type_handlers[llc_pdu_type(skb) - 1] | | * llc_sap_handler() : NOT netns-aware (Patch 1) | * llc_conn_handler() : NOT netns-aware (Patch 2) | `- llc_station_handler * llc_station_rcv() : netns-aware Patch 1 & 2 convert not-netns-aware functions and Patch 3 remove the netns restriction in llc_rcv(). Note this series does not namespacify AF_LLC so that these patches can be backported to stable without conflicts (at least to 4.14.y). Another series that adds netns support for AF_LLC will be targeted to net-next later. ==================== Link: https://lore.kernel.org/r/20230718174152.57408-1-kuniyu@amazon.com Signed-off-by: Paolo Abeni <pabeni@redhat.com> | 20 July 2023, 08:46:33 UTC |
7ebd00a | Kuniyuki Iwashima | 18 July 2023, 17:41:52 UTC | Revert "bridge: Add extack warning when enabling STP in netns." This reverts commit 56a16035bb6effb37177867cea94c13a8382f745. Since the previous commit, STP works on bridge in netns. # unshare -n # ip link add br0 type bridge # ip link add veth0 type veth peer name veth1 # ip link set veth0 master br0 up [ 50.558135] br0: port 1(veth0) entered blocking state [ 50.558366] br0: port 1(veth0) entered disabled state [ 50.558798] veth0: entered allmulticast mode [ 50.564401] veth0: entered promiscuous mode # ip link set veth1 master br0 up [ 54.215487] br0: port 2(veth1) entered blocking state [ 54.215657] br0: port 2(veth1) entered disabled state [ 54.215848] veth1: entered allmulticast mode [ 54.219577] veth1: entered promiscuous mode # ip link set br0 type bridge stp_state 1 # ip link set br0 up [ 61.960726] br0: port 2(veth1) entered blocking state [ 61.961097] br0: port 2(veth1) entered listening state [ 61.961495] br0: port 1(veth0) entered blocking state [ 61.961653] br0: port 1(veth0) entered listening state [ 63.998835] br0: port 2(veth1) entered blocking state [ 77.437113] br0: port 1(veth0) entered learning state [ 86.653501] br0: received packet on veth0 with own address as source address (addr:6e:0f:e7:6f:5f:5f, vlan:0) [ 92.797095] br0: port 1(veth0) entered forwarding state [ 92.797398] br0: topology change detected, propagating Let's remove the warning. Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> | 20 July 2023, 08:46:28 UTC |
6631463 | Kuniyuki Iwashima | 18 July 2023, 17:41:51 UTC | llc: Don't drop packet from non-root netns. Now these upper layer protocol handlers can be called from llc_rcv() as sap->rcv_func(), which is registered by llc_sap_open(). * function which is passed to register_8022_client() -> no in-kernel user calls register_8022_client(). * snap_rcv() `- proto->rcvfunc() : registered by register_snap_client() -> aarp_rcv() and atalk_rcv() drop packets from non-root netns * stp_pdu_rcv() `- garp_protos[]->rcv() : registered by stp_proto_register() -> garp_pdu_rcv() and br_stp_rcv() are netns-aware So, we can safely remove the netns restriction in llc_rcv(). Fixes: e730c15519d0 ("[NET]: Make packet reception network namespace safe") Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> | 20 July 2023, 08:46:28 UTC |
97b1d32 | Kuniyuki Iwashima | 18 July 2023, 17:41:50 UTC | llc: Check netns in llc_estab_match() and llc_listener_match(). We will remove this restriction in llc_rcv() in the following patch, which means that the protocol handler must be aware of netns. if (!net_eq(dev_net(dev), &init_net)) goto drop; llc_rcv() fetches llc_type_handlers[llc_pdu_type(skb) - 1] and calls it if not NULL. If the PDU type is LLC_DEST_CONN, llc_conn_handler() is called to pass skb to corresponding sockets. Then, we must look up a proper socket in the same netns with skb->dev. llc_conn_handler() calls __llc_lookup() to look up a established or litening socket by __llc_lookup_established() and llc_lookup_listener(). Both functions iterate on a list and call llc_estab_match() or llc_listener_match() to check if the socket is the correct destination. However, these functions do not check netns. Also, bind() and connect() call llc_establish_connection(), which finally calls __llc_lookup_established(), to check if there is a conflicting socket. Let's test netns in llc_estab_match() and llc_listener_match(). Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> | 20 July 2023, 08:46:28 UTC |
9b64e93 | Kuniyuki Iwashima | 18 July 2023, 17:41:49 UTC | llc: Check netns in llc_dgram_match(). We will remove this restriction in llc_rcv() soon, which means that the protocol handler must be aware of netns. if (!net_eq(dev_net(dev), &init_net)) goto drop; llc_rcv() fetches llc_type_handlers[llc_pdu_type(skb) - 1] and calls it if not NULL. If the PDU type is LLC_DEST_SAP, llc_sap_handler() is called to pass skb to corresponding sockets. Then, we must look up a proper socket in the same netns with skb->dev. If the destination is a multicast address, llc_sap_handler() calls llc_sap_mcast(). It calculates a hash based on DSAP and skb->dev->ifindex, iterates on a socket list, and calls llc_mcast_match() to check if the socket is the correct destination. Then, llc_mcast_match() checks if skb->dev matches with llc_sk(sk)->dev. So, we need not check netns here. OTOH, if the destination is a unicast address, llc_sap_handler() calls llc_lookup_dgram() to look up a socket, but it does not check the netns. Therefore, we need to add netns check in llc_lookup_dgram(). Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> | 20 July 2023, 08:46:28 UTC |
e8812ac | Rob Herring | 18 July 2023, 14:32:26 UTC | fbdev: Explicitly include correct DT includes The DT of_device.h and of_platform.h date back to the separate of_platform_bus_type before it as merged into the regular platform bus. As part of that merge prepping Arm DT support 13 years ago, they "temporarily" include each other. They also include platform_device.h and of.h. As a result, there's a pretty much random mix of those include files used throughout the tree. In order to detangle these headers and replace the implicit includes with struct declarations, users need to explicitly include the correct includes. Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Helge Deller <deller@gmx.de> | 20 July 2023, 05:56:30 UTC |
9d5651a | Yuanjun Gong | 17 July 2023, 14:48:09 UTC | fbdev: ep93xx-fb: fix return value check in ep93xxfb_probe function clk_prepare_enable may fail in ep93xxfb_probe, therefore, add a return value check to clk_prepare_enable and handle the error. Signed-off-by: Yuanjun Gong <ruc_gongyuanjun@163.com> Signed-off-by: Helge Deller <deller@gmx.de> | 20 July 2023, 05:52:55 UTC |
4e88761 | Zhang Shurong | 15 July 2023, 08:16:56 UTC | fbdev: au1200fb: Fix missing IRQ check in au1200fb_drv_probe This func misses checking for platform_get_irq()'s call and may passes the negative error codes to request_irq(), which takes unsigned IRQ #, causing it to fail with -EINVAL, overriding an original error code. Fix this by stop calling request_irq() with invalid IRQ #s. Fixes: 1630d85a8312 ("au1200fb: fix hardcoded IRQ") Signed-off-by: Zhang Shurong <zhang_shurong@foxmail.com> Signed-off-by: Helge Deller <deller@gmx.de> | 20 July 2023, 05:52:54 UTC |
298e082 | Colin Ian King | 12 July 2023, 16:11:23 UTC | fbdev: kyro: make some const read-only arrays static and reduce type size Don't populate the const read-only arrays on the stack but instead make them static const. Use smaller types to use less storage for the arrays. Also makes the object code a little smaller. Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Signed-off-by: Helge Deller <deller@gmx.de> | 20 July 2023, 05:52:54 UTC |