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
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Revision | Author | Date | Message | Commit Date |
---|---|---|---|---|
2c6625c | Linus Torvalds | 16 August 2015, 23:34:13 UTC | Linux 4.2-rc7 | 16 August 2015, 23:34:13 UTC |
8916e0b | Linus Torvalds | 16 August 2015, 22:44:33 UTC | Merge tag 'armsoc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: "A smallish batch of fixes, a little more than expected this late, but all fixes are contained to their platforms and seem reasonably low risk: - a somewhat large SMP fix for ux500 that still seemed warranted to include here - OMAP DT fixes for pbias regulator specification that broke due to some DT reshuffling - PCIe IRQ routing bugfix for i.MX - networking fixes for keystone - runtime PM for OMAP GPMC - a couple of error path bug fixes for exynos" * tag 'armsoc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: dts: keystone: Fix the mdio bindings by moving it to soc specific file ARM: dts: keystone: fix the clock node for mdio memory: omap-gpmc: Don't try to save uninitialized GPMC context ARM: imx6: correct i.MX6 PCIe interrupt routing ARM: ux500: add an SMP enablement type and move cpu nodes ARM: dts: dra7: Fix broken pbias device creation ARM: dts: OMAP5: Fix broken pbias device creation ARM: dts: OMAP4: Fix broken pbias device creation ARM: dts: omap243x: Fix broken pbias device creation ARM: EXYNOS: fix double of_node_put() on error path ARM: EXYNOS: Fix potentian kfree() of ro memory | 16 August 2015, 22:44:33 UTC |
0f405bf | Linus Torvalds | 16 August 2015, 22:39:31 UTC | Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus Pull MIPS bugfix from Ralf Baechle: "Only a single MIPS fix - the math when invoking syscall_trace_enter was wrong" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: MIPS: Fix seccomp syscall argument for MIPS64 | 16 August 2015, 22:39:31 UTC |
0156547 | Linus Torvalds | 16 August 2015, 22:11:25 UTC | Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Merge x86 fixes from Ingo Molnar: "Two followup fixes related to the previous LDT fix" Also applied a further FPU emulation fix from Andy Lutomirski to the branch before actually merging it. * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip x86/ldt: Further fix FPU emulation x86/ldt: Correct FPU emulation access to LDT x86/ldt: Correct LDT access in single stepping logic | 16 August 2015, 22:11:25 UTC |
12e244f | Andy Lutomirski | 14 August 2015, 22:02:55 UTC | x86/ldt: Further fix FPU emulation The previous fix confused a selector with a segment prefix. Fix it. Compile-tested only. Cc: stable@vger.kernel.org Cc: Juergen Gross <jgross@suse.com> Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Fixes: 4809146b86c3 ("x86/ldt: Correct FPU emulation access to LDT") Signed-off-by: Andy Lutomirski <luto@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 16 August 2015, 22:11:05 UTC |
8ed1f0e | Jann Horn | 16 August 2015, 18:27:01 UTC | fs/fuse: fix ioctl type confusion fuse_dev_ioctl() performed fuse_get_dev() on a user-supplied fd, leading to a type confusion issue. Fix it by checking file->f_op. Signed-off-by: Jann Horn <jann@thejh.net> Acked-by: Miklos Szeredi <miklos@szeredi.hu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 16 August 2015, 19:35:44 UTC |
0214951 | Olof Johansson | 16 August 2015, 19:29:57 UTC | Merge tag 'keystone-dts-late-fixes-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into fixes ARM: Couple of Keysyone MDIO DTS fixes for 4.2-rc6+ These are necessary to get the NIC card working on all Keystone EVMs. Couple of boards are broken without these two fixes. * tag 'keystone-dts-late-fixes-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone: ARM: dts: keystone: Fix the mdio bindings by moving it to soc specific file ARM: dts: keystone: fix the clock node for mdio Signed-off-by: Olof Johansson <olof@lixom.net> | 16 August 2015, 19:29:57 UTC |
9f16143 | Markos Chandras | 13 August 2015, 07:47:59 UTC | MIPS: Fix seccomp syscall argument for MIPS64 Commit 4c21b8fd8f14 ("MIPS: seccomp: Handle indirect system calls (o32)") fixed indirect system calls on O32 but it also introduced a bug for MIPS64 where it erroneously modified the v0 (syscall) register with the assumption that the sycall offset hasn't been taken into consideration. This breaks seccomp on MIPS64 n64 and n32 ABIs. We fix this by replacing the addition with a move instruction. Fixes: 4c21b8fd8f14 ("MIPS: seccomp: Handle indirect system calls (o32)") Cc: <stable@vger.kernel.org> # 3.15+ Reviewed-by: James Hogan <james.hogan@imgtec.com> Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/10951/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 16 August 2015, 13:00:59 UTC |
1efdb5f | Linus Torvalds | 15 August 2015, 20:54:53 UTC | Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "This has two libfc fixes for bugs causing rare crashes, one iscsi fix for a potential hang on shutdown, and a fix for an I/O blocksize issue which caused a regression" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: sd: Fix maximum I/O size for BLOCK_PC requests libfc: Fix fc_fcp_cleanup_each_cmd() libfc: Fix fc_exch_recv_req() error path libiscsi: Fix host busy blocking during connection teardown | 15 August 2015, 20:54:53 UTC |
45e38cf | Linus Torvalds | 15 August 2015, 00:27:52 UTC | Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm Pull KVM fixes from Paolo Bonzini: "Just two very small & simple patches" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: x86: Use adjustment in guest cycles when handling MSR_IA32_TSC_ADJUST KVM: x86: zero IDT limit on entry to SMM | 15 August 2015, 00:27:52 UTC |
8394a1b | Linus Torvalds | 15 August 2015, 00:05:26 UTC | Merge branch 'akpm' (patches from Andrew) Merge fixes from Andrew Morton: "11 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: Update maintainers for DRM STI driver mm: cma: mark cma_bitmap_maxno() inline in header zram: fix pool name truncation memory-hotplug: fix wrong edge when hot add a new node .mailmap: Andrey Ryabinin has moved ipc/sem.c: update/correct memory barriers mm/hwpoison: fix panic due to split huge zero page ipc,sem: remove uneeded sem_undo_list lock usage in exit_sem() ipc,sem: fix use after free on IPC_RMID after a task using same semaphore set exits mm/hwpoison: fix fail isolate hugetlbfs page w/ refcount held mm/hwpoison: fix page refcount of unknown non LRU page | 15 August 2015, 00:05:26 UTC |
fbd9163 | Linus Torvalds | 14 August 2015, 23:10:04 UTC | Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux Pull clock fix from Stephen Boyd: "A one-liner for a regression found in the PXA clock driver" * tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: clk: pxa: pxa3xx: fix CKEN register access | 14 August 2015, 23:10:04 UTC |
7f11c47 | Benjamin Gaignard | 14 August 2015, 22:35:24 UTC | Update maintainers for DRM STI driver Add Vincent Abriou and myself as maintainers. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Cc: Vincent Abriou <vincent.abriou@st.com> Cc: Dave Airlie <airlied@linux.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 14 August 2015, 22:56:32 UTC |
f21838e | Gregory Fong | 14 August 2015, 22:35:21 UTC | mm: cma: mark cma_bitmap_maxno() inline in header cma_bitmap_maxno() was marked as static and not static inline, which can cause warnings about this function not being used if this file is included in a file that does not call that function, and violates the conventions used elsewhere. The two options are to move the function implementation back to mm/cma.c or make it inline here, and it's simple enough for the latter to make sense. Signed-off-by: Gregory Fong <gregory.0xf0@gmail.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Sasha Levin <sasha.levin@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 14 August 2015, 22:56:32 UTC |
4ce321f | Sergey Senozhatsky | 14 August 2015, 22:35:19 UTC | zram: fix pool name truncation zram_meta_alloc() constructs a pool name for zs_create_pool() call as snprintf(pool_name, sizeof(pool_name), "zram%d", device_id); However, it defines pool name buffer to be only 8 bytes long (minus trailing zero), which means that we can have only 1000 pool names: zram0 -- zram999. With CONFIG_ZSMALLOC_STAT enabled an attempt to create a device zram1000 can fail if device zram100 already exists, because snprintf() will truncate new pool name to zram100 and pass it debugfs_create_dir(), causing: debugfs dir <zram100> creation failed zram: Error creating memory pool ... and so on. Fix it by passing zram->disk->disk_name to zram_meta_alloc() instead of divice_id. We construct zram%d name earlier and keep it as a ->disk_name, no need to snprintf() it again. Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Cc: Minchan Kim <minchan@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 14 August 2015, 22:56:32 UTC |
f9126ab | Xishi Qiu | 14 August 2015, 22:35:16 UTC | memory-hotplug: fix wrong edge when hot add a new node When we add a new node, the edge of memory may be wrong. e.g. system has 4 nodes, and node3 is movable, node3 mem:[24G-32G], 1. hotremove the node3, 2. then hotadd node3 with a part of memory, mem:[26G-30G], 3. call hotadd_new_pgdat() free_area_init_node() get_pfn_range_for_nid() 4. it will return wrong start_pfn and end_pfn, because we have not update the memblock. This patch also fixes a BUG_ON during hot-addition, please see http://marc.info/?l=linux-kernel&m=142961156129456&w=2 Signed-off-by: Xishi Qiu <qiuxishi@huawei.com> Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Taku Izumi <izumi.taku@jp.fujitsu.com> Cc: Tang Chen <tangchen@cn.fujitsu.com> Cc: Gu Zheng <guz.fnst@cn.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 14 August 2015, 22:56:32 UTC |
2baf9e8 | Andrey Ryabinin | 14 August 2015, 22:35:13 UTC | .mailmap: Andrey Ryabinin has moved Update my email address. Signed-off-by: Andrey Ryabinin <ryabinin.a.a@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 14 August 2015, 22:56:32 UTC |
3ed1f8a | Manfred Spraul | 14 August 2015, 22:35:10 UTC | ipc/sem.c: update/correct memory barriers sem_lock() did not properly pair memory barriers: !spin_is_locked() and spin_unlock_wait() are both only control barriers. The code needs an acquire barrier, otherwise the cpu might perform read operations before the lock test. As no primitive exists inside <include/spinlock.h> and since it seems noone wants another primitive, the code creates a local primitive within ipc/sem.c. With regards to -stable: The change of sem_wait_array() is a bugfix, the change to sem_lock() is a nop (just a preprocessor redefinition to improve the readability). The bugfix is necessary for all kernels that use sem_wait_array() (i.e.: starting from 3.10). Signed-off-by: Manfred Spraul <manfred@colorfullife.com> Reported-by: Oleg Nesterov <oleg@redhat.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> Cc: Kirill Tkhai <ktkhai@parallels.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Davidlohr Bueso <dave@stgolabs.net> Cc: <stable@vger.kernel.org> [3.10+] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 14 August 2015, 22:56:32 UTC |
7f6bf39 | Wanpeng Li | 14 August 2015, 22:35:08 UTC | mm/hwpoison: fix panic due to split huge zero page Bug: ------------[ cut here ]------------ kernel BUG at mm/huge_memory.c:1957! invalid opcode: 0000 [#1] SMP Modules linked in: snd_hda_codec_hdmi i915 rpcsec_gss_krb5 snd_hda_codec_realtek snd_hda_codec_generic nfsv4 dns_re CPU: 2 PID: 2576 Comm: test_huge Not tainted 4.2.0-rc5-mm1+ #27 Hardware name: Dell Inc. OptiPlex 7020/0F5C5X, BIOS A03 01/08/2015 task: ffff880204e3d600 ti: ffff8800db16c000 task.ti: ffff8800db16c000 RIP: split_huge_page_to_list+0xdb/0x120 Call Trace: memory_failure+0x32e/0x7c0 madvise_hwpoison+0x8b/0x160 SyS_madvise+0x40/0x240 ? do_page_fault+0x37/0x90 entry_SYSCALL_64_fastpath+0x12/0x71 Code: ff f0 41 ff 4c 24 30 74 0d 31 c0 48 83 c4 08 5b 41 5c 41 5d c9 c3 4c 89 e7 e8 e2 58 fd ff 48 83 c4 08 31 c0 RIP split_huge_page_to_list+0xdb/0x120 RSP <ffff8800db16fde8> ---[ end trace aee7ce0df8e44076 ]--- Testcase: #define _GNU_SOURCE #include <stdlib.h> #include <stdio.h> #include <sys/mman.h> #include <unistd.h> #include <fcntl.h> #include <sys/types.h> #include <errno.h> #include <string.h> #define MB 1024*1024 int main(void) { char *mem; posix_memalign((void **)&mem, 2 * MB, 200 * MB); madvise(mem, 200 * MB, MADV_HWPOISON); free(mem); return 0; } Huge zero page is allocated if page fault w/o FAULT_FLAG_WRITE flag. The get_user_pages_fast() which called in madvise_hwpoison() will get huge zero page if the page is not allocated before. Huge zero page is a tranparent huge page, however, it is not an anonymous page. memory_failure will split the huge zero page and trigger BUG_ON(is_huge_zero_page(page)); After commit 98ed2b0052e6 ("mm/memory-failure: give up error handling for non-tail-refcounted thp"), memory_failure will not catch non anon thp from madvise_hwpoison path and this bug occur. Fix it by catching non anon thp in memory_failure in order to not split huge zero page in madvise_hwpoison path. After this patch: Injecting memory failure for page 0x202800 at 0x7fd8ae800000 MCE: 0x202800: non anonymous thp [...] [akpm@linux-foundation.org: remove second split, per Wanpeng] Signed-off-by: Wanpeng Li <wanpeng.li@hotmail.com> Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 14 August 2015, 22:56:32 UTC |
a979558 | Herton R. Krzesinski | 14 August 2015, 22:35:05 UTC | ipc,sem: remove uneeded sem_undo_list lock usage in exit_sem() After we acquire the sma->sem_perm lock in exit_sem(), we are protected against a racing IPC_RMID operation. Also at that point, we are the last user of sem_undo_list. Therefore it isn't required that we acquire or use ulp->lock. Signed-off-by: Herton R. Krzesinski <herton@redhat.com> Acked-by: Manfred Spraul <manfred@colorfullife.com> Cc: Davidlohr Bueso <dave@stgolabs.net> Cc: Rafael Aquini <aquini@redhat.com> CC: Aristeu Rozanski <aris@redhat.com> Cc: David Jeffery <djeffery@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 14 August 2015, 22:56:32 UTC |
602b859 | Herton R. Krzesinski | 14 August 2015, 22:35:02 UTC | ipc,sem: fix use after free on IPC_RMID after a task using same semaphore set exits The current semaphore code allows a potential use after free: in exit_sem we may free the task's sem_undo_list while there is still another task looping through the same semaphore set and cleaning the sem_undo list at freeary function (the task called IPC_RMID for the same semaphore set). For example, with a test program [1] running which keeps forking a lot of processes (which then do a semop call with SEM_UNDO flag), and with the parent right after removing the semaphore set with IPC_RMID, and a kernel built with CONFIG_SLAB, CONFIG_SLAB_DEBUG and CONFIG_DEBUG_SPINLOCK, you can easily see something like the following in the kernel log: Slab corruption (Not tainted): kmalloc-64 start=ffff88003b45c1c0, len=64 000: 6b 6b 6b 6b 6b 6b 6b 6b 00 6b 6b 6b 6b 6b 6b 6b kkkkkkkk.kkkkkkk 010: ff ff ff ff 6b 6b 6b 6b ff ff ff ff ff ff ff ff ....kkkk........ Prev obj: start=ffff88003b45c180, len=64 000: 00 00 00 00 ad 4e ad de ff ff ff ff 5a 5a 5a 5a .....N......ZZZZ 010: ff ff ff ff ff ff ff ff c0 fb 01 37 00 88 ff ff ...........7.... Next obj: start=ffff88003b45c200, len=64 000: 00 00 00 00 ad 4e ad de ff ff ff ff 5a 5a 5a 5a .....N......ZZZZ 010: ff ff ff ff ff ff ff ff 68 29 a7 3c 00 88 ff ff ........h).<.... BUG: spinlock wrong CPU on CPU#2, test/18028 general protection fault: 0000 [#1] SMP Modules linked in: 8021q mrp garp stp llc nf_conntrack_ipv4 nf_defrag_ipv4 ip6t_REJECT nf_reject_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables binfmt_misc ppdev input_leds joydev parport_pc parport floppy serio_raw virtio_balloon virtio_rng virtio_console virtio_net iosf_mbi crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcspkr qxl ttm drm_kms_helper drm snd_hda_codec_generic i2c_piix4 snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer snd soundcore crc32c_intel virtio_pci virtio_ring virtio pata_acpi ata_generic [last unloaded: speedstep_lib] CPU: 2 PID: 18028 Comm: test Not tainted 4.2.0-rc5+ #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.8.1-20150318_183358- 04/01/2014 RIP: spin_dump+0x53/0xc0 Call Trace: spin_bug+0x30/0x40 do_raw_spin_unlock+0x71/0xa0 _raw_spin_unlock+0xe/0x10 freeary+0x82/0x2a0 ? _raw_spin_lock+0xe/0x10 semctl_down.clone.0+0xce/0x160 ? __do_page_fault+0x19a/0x430 ? __audit_syscall_entry+0xa8/0x100 SyS_semctl+0x236/0x2c0 ? syscall_trace_leave+0xde/0x130 entry_SYSCALL_64_fastpath+0x12/0x71 Code: 8b 80 88 03 00 00 48 8d 88 60 05 00 00 48 c7 c7 a0 2c a4 81 31 c0 65 8b 15 eb 40 f3 7e e8 08 31 68 00 4d 85 e4 44 8b 4b 08 74 5e <45> 8b 84 24 88 03 00 00 49 8d 8c 24 60 05 00 00 8b 53 04 48 89 RIP [<ffffffff810d6053>] spin_dump+0x53/0xc0 RSP <ffff88003750fd68> ---[ end trace 783ebb76612867a0 ]--- NMI watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [test:18053] Modules linked in: 8021q mrp garp stp llc nf_conntrack_ipv4 nf_defrag_ipv4 ip6t_REJECT nf_reject_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables binfmt_misc ppdev input_leds joydev parport_pc parport floppy serio_raw virtio_balloon virtio_rng virtio_console virtio_net iosf_mbi crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcspkr qxl ttm drm_kms_helper drm snd_hda_codec_generic i2c_piix4 snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer snd soundcore crc32c_intel virtio_pci virtio_ring virtio pata_acpi ata_generic [last unloaded: speedstep_lib] CPU: 3 PID: 18053 Comm: test Tainted: G D 4.2.0-rc5+ #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.8.1-20150318_183358- 04/01/2014 RIP: native_read_tsc+0x0/0x20 Call Trace: ? delay_tsc+0x40/0x70 __delay+0xf/0x20 do_raw_spin_lock+0x96/0x140 _raw_spin_lock+0xe/0x10 sem_lock_and_putref+0x11/0x70 SYSC_semtimedop+0x7bf/0x960 ? handle_mm_fault+0xbf6/0x1880 ? dequeue_task_fair+0x79/0x4a0 ? __do_page_fault+0x19a/0x430 ? kfree_debugcheck+0x16/0x40 ? __do_page_fault+0x19a/0x430 ? __audit_syscall_entry+0xa8/0x100 ? do_audit_syscall_entry+0x66/0x70 ? syscall_trace_enter_phase1+0x139/0x160 SyS_semtimedop+0xe/0x10 SyS_semop+0x10/0x20 entry_SYSCALL_64_fastpath+0x12/0x71 Code: 47 10 83 e8 01 85 c0 89 47 10 75 08 65 48 89 3d 1f 74 ff 7e c9 c3 0f 1f 44 00 00 55 48 89 e5 e8 87 17 04 00 66 90 c9 c3 0f 1f 00 <55> 48 89 e5 0f 31 89 c1 48 89 d0 48 c1 e0 20 89 c9 48 09 c8 c9 Kernel panic - not syncing: softlockup: hung tasks I wasn't able to trigger any badness on a recent kernel without the proper config debugs enabled, however I have softlockup reports on some kernel versions, in the semaphore code, which are similar as above (the scenario is seen on some servers running IBM DB2 which uses semaphore syscalls). The patch here fixes the race against freeary, by acquiring or waiting on the sem_undo_list lock as necessary (exit_sem can race with freeary, while freeary sets un->semid to -1 and removes the same sem_undo from list_proc or when it removes the last sem_undo). After the patch I'm unable to reproduce the problem using the test case [1]. [1] Test case used below: #include <stdio.h> #include <sys/types.h> #include <sys/ipc.h> #include <sys/sem.h> #include <sys/wait.h> #include <stdlib.h> #include <time.h> #include <unistd.h> #include <errno.h> #define NSEM 1 #define NSET 5 int sid[NSET]; void thread() { struct sembuf op; int s; uid_t pid = getuid(); s = rand() % NSET; op.sem_num = pid % NSEM; op.sem_op = 1; op.sem_flg = SEM_UNDO; semop(sid[s], &op, 1); exit(EXIT_SUCCESS); } void create_set() { int i, j; pid_t p; union { int val; struct semid_ds *buf; unsigned short int *array; struct seminfo *__buf; } un; /* Create and initialize semaphore set */ for (i = 0; i < NSET; i++) { sid[i] = semget(IPC_PRIVATE , NSEM, 0644 | IPC_CREAT); if (sid[i] < 0) { perror("semget"); exit(EXIT_FAILURE); } } un.val = 0; for (i = 0; i < NSET; i++) { for (j = 0; j < NSEM; j++) { if (semctl(sid[i], j, SETVAL, un) < 0) perror("semctl"); } } /* Launch threads that operate on semaphore set */ for (i = 0; i < NSEM * NSET * NSET; i++) { p = fork(); if (p < 0) perror("fork"); if (p == 0) thread(); } /* Free semaphore set */ for (i = 0; i < NSET; i++) { if (semctl(sid[i], NSEM, IPC_RMID)) perror("IPC_RMID"); } /* Wait for forked processes to exit */ while (wait(NULL)) { if (errno == ECHILD) break; }; } int main(int argc, char **argv) { pid_t p; srand(time(NULL)); while (1) { p = fork(); if (p < 0) { perror("fork"); exit(EXIT_FAILURE); } if (p == 0) { create_set(); goto end; } /* Wait for forked processes to exit */ while (wait(NULL)) { if (errno == ECHILD) break; }; } end: return 0; } [akpm@linux-foundation.org: use normal comment layout] Signed-off-by: Herton R. Krzesinski <herton@redhat.com> Acked-by: Manfred Spraul <manfred@colorfullife.com> Cc: Davidlohr Bueso <dave@stgolabs.net> Cc: Rafael Aquini <aquini@redhat.com> CC: Aristeu Rozanski <aris@redhat.com> Cc: David Jeffery <djeffery@redhat.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 14 August 2015, 22:56:32 UTC |
0361380 | Wanpeng Li | 14 August 2015, 22:34:59 UTC | mm/hwpoison: fix fail isolate hugetlbfs page w/ refcount held Hugetlbfs pages will get a refcount in get_any_page() or madvise_hwpoison() if soft offlining through madvise. The refcount which is held by the soft offline path should be released if we fail to isolate hugetlbfs pages. Fix it by reducing the refcount for both isolation success and failure. Signed-off-by: Wanpeng Li <wanpeng.li@hotmail.com> Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: <stable@vger.kernel.org> [3.9+] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 14 August 2015, 22:56:32 UTC |
4f32be6 | Wanpeng Li | 14 August 2015, 22:34:56 UTC | mm/hwpoison: fix page refcount of unknown non LRU page After trying to drain pages from pagevec/pageset, we try to get reference count of the page again, however, the reference count of the page is not reduced if the page is still not on LRU list. Fix it by adding the put_page() to drop the page reference which is from __get_any_page(). Signed-off-by: Wanpeng Li <wanpeng.li@hotmail.com> Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: <stable@vger.kernel.org> [3.9+] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 14 August 2015, 22:56:32 UTC |
3670901 | Linus Torvalds | 14 August 2015, 18:06:43 UTC | Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer fix from Ingo Molnar: "A single clocksource driver suspend/resume fix" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: clockevents/drivers/sh_cmt: Only perform clocksource suspend/resume if enabled | 14 August 2015, 18:06:43 UTC |
b25c6ce | Linus Torvalds | 14 August 2015, 17:57:16 UTC | Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Ingo Molnar: "Misc fixes: PMU driver corner cases, tooling fixes, and an 'AUX' (Intel PT) race related core fix" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86/intel/cqm: Do not access cpu_data() from CPU_UP_PREPARE handler perf/x86/intel: Fix memory leak on hot-plug allocation fail perf: Fix PERF_EVENT_IOC_PERIOD migration race perf: Fix double-free of the AUX buffer perf: Fix fasync handling on inherited events perf tools: Fix test build error when bindir contains double slash perf stat: Fix transaction lenght metrics perf: Fix running time accounting | 14 August 2015, 17:57:16 UTC |
5e5013c | Linus Torvalds | 14 August 2015, 17:45:23 UTC | Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull locking fix from Ingo Molnar: "A single fix for a locking self-test crash" * 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: locking/pvqspinlock: Fix kernel panic in locking-selftest | 14 August 2015, 17:45:23 UTC |
c679765 | Linus Torvalds | 14 August 2015, 17:39:32 UTC | Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux Pull drm fixes from Dave Airlie: "Back from holidays, found these in the cracks: one nouveau revert, one vmwgfx locking fix and a bunch of exynos fixes" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: Revert "drm/nouveau/fifo/gk104: kick channels when deactivating them" drm/vmwgfx: Fix execbuf locking issues drm/exynos/fimc: fix runtime pm support drm/exynos/mixer: always update INT_EN cache drm/exynos/mixer: correct vsync configuration sequence drm/exynos/mixer: fix interrupt clearing drm/exynos/hdmi: fix edid memory leak drm/exynos: gsc: fix wrong bitwise operation for swap detection | 14 August 2015, 17:39:32 UTC |
d211d87 | Alexandre Courbot | 12 August 2015, 04:17:38 UTC | Revert "drm/nouveau/fifo/gk104: kick channels when deactivating them" This reverts commit 1addc1264852 This commit seems to cause crashes in gk104_fifo_intr_runlist() by returning 0xbad0da00 when register 0x2a00 is read. Since this commit was intended for GM20B which is not completely supported yet, let's revert it for the time being. Reported-by: Eric Biggers <ebiggers3@gmail.com> Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Tested-by: Afzal Mohammed <afzal.mohd.ma@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com> | 13 August 2015, 23:50:37 UTC |
3e04e2f | Thomas Hellstrom | 12 August 2015, 05:31:17 UTC | drm/vmwgfx: Fix execbuf locking issues This addresses two issues that cause problems with viewperf maya-03 in situation with memory pressure. The first issue causes attempts to unreserve buffers if batched reservation fails due to, for example, a signal pending. While previously the ttm_eu api was resistant against this type of error, it is no longer and the lockdep code will complain about attempting to unreserve buffers that are not reserved. The issue is resolved by avoid calling ttm_eu_backoff_reservation in the buffer reserve error path. The second issue is that the binding_mutex may be held when user-space fence objects are created and hence during memory reclaims. This may cause recursive attempts to grab the binding mutex. The issue is resolved by not holding the binding mutex across fence creation and submission. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Sinclair Yeh <syeh@vmware.com> Cc: <stable@vger.kernel.org> Signed-off-by: Dave Airlie <airlied@redhat.com> | 13 August 2015, 23:49:19 UTC |
3c6d45b | Dave Airlie | 13 August 2015, 23:47:07 UTC | Merge branch 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes This pull request fixes memory leak and some issues related to mixer and gscaler driver issues. * 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos: drm/exynos/fimc: fix runtime pm support drm/exynos/mixer: always update INT_EN cache drm/exynos/mixer: correct vsync configuration sequence drm/exynos/mixer: fix interrupt clearing drm/exynos/hdmi: fix edid memory leak drm/exynos: gsc: fix wrong bitwise operation for swap detection | 13 August 2015, 23:47:07 UTC |
7ddab73 | Linus Torvalds | 13 August 2015, 23:34:56 UTC | Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm Pull ARM fixes from Russell King: "Another few small ARM fixes, mostly addressing some VDSO issues" * 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: ARM: 8410/1: VDSO: fix coarse clock monotonicity regression ARM: 8409/1: Mark ret_fast_syscall as a function ARM: 8408/1: Fix the secondary_startup function in Big Endian case ARM: 8405/1: VDSO: fix regression with toolchains lacking ld.bfd executable | 13 August 2015, 23:34:56 UTC |
cd88ec2 | Linus Torvalds | 13 August 2015, 23:19:44 UTC | x86: fix error handling for 32-bit compat out-of-range system call numbers Commit 3f5159a9221f ("x86/asm/entry/32: Update -ENOSYS handling to match the 64-bit logic") broke the ENOSYS handling for the 32-bit compat case. The proper error return value was never loaded into %rax, except if things just happened to go through the audit paths, which ended up reloading the return value. This moves the loading or %rax into the normal system call path, just to make sure the error case triggers it. It's kind of sad, since it adds a useless instruction to reload the register to the fast path, but it's not like that single load from the stack is going to be noticeable. Reported-by: David Drysdale <drysdale@google.com> Tested-by: Kees Cook <keescook@chromium.org> Acked-by: Andy Lutomirski <luto@amacapital.net> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: Ingo Molnar <mingo@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 13 August 2015, 23:19:44 UTC |
5b3e2e1 | Linus Torvalds | 13 August 2015, 20:52:46 UTC | Merge tag 'dm-4.2-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper fixes from Mike Snitzer: - two stable fixes for corruption seen in a snapshot of thinp metadata; metadata snapshots aren't widely used but help provide a consistent view of the metadata associated with an active thin-pool. - a dm-cache fix for the 4.2 "default" policy switch from "mq" to "smq" * tag 'dm-4.2-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm cache policy smq: move 'dm-cache-default' module alias to SMQ dm btree: add ref counting ops for the leaves of top level btrees dm thin metadata: delete btrees when releasing metadata snapshot | 13 August 2015, 20:52:46 UTC |
ebcbf16 | Linus Torvalds | 13 August 2015, 20:44:32 UTC | Merge branch 'for-linus' of git://git.kernel.dk/linux-block Pull xen block driver fixes from Jens Axboe: "A few small bug fixes for xen-blk{front,back} that have been sitting over my vacation" * 'for-linus' of git://git.kernel.dk/linux-block: xen-blkback: replace work_pending with work_busy in purge_persistent_gnt() xen-blkfront: don't add indirect pages to list when !feature_persistent xen-blkfront: introduce blkfront_gather_backend_features() | 13 August 2015, 20:44:32 UTC |
6b476e1 | Linus Torvalds | 13 August 2015, 20:36:22 UTC | Merge tag 'for-linus-4.2-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen bug fixes from David Vrabel: - revert a fix from 4.2-rc5 that was causing lots of WARNING spam. - fix a memory leak affecting backends in HVM guests. - fix PV domU hang with certain configurations. * tag 'for-linus-4.2-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/xenbus: Don't leak memory when unmapping the ring on HVM backend Revert "xen/events/fifo: Handle linked events when closing a port" x86/xen: build "Xen PV" APIC driver for domU as well | 13 August 2015, 20:36:22 UTC |
ed596cd | Linus Torvalds | 13 August 2015, 15:25:20 UTC | Revert x86 sigcontext cleanups This reverts commits 9a036b93a344 ("x86/signal/64: Remove 'fs' and 'gs' from sigcontext") and c6f2062935c8 ("x86/signal/64: Fix SS handling for signals delivered to 64-bit programs"). They were cleanups, but they break dosemu by changing the signal return behavior (and removing 'fs' and 'gs' from the sigcontext struct - while not actually changing any behavior - causes build problems). Reported-and-tested-by: Stas Sergeev <stsp@list.ru> Acked-by: Andy Lutomirski <luto@amacapital.net> Cc: Ingo Molnar <mingo@kernel.org> Cc: stable@vger.kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 13 August 2015, 19:42:22 UTC |
26b552e | Linus Torvalds | 13 August 2015, 17:46:39 UTC | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net Pull networking fixes from David Miller: 1) Workaround hw bug when acquiring PCI bos ownership of iwlwifi devices, from Emmanuel Grumbach. 2) Falling back to vmalloc in conntrack should not emit a warning, from Pablo Neira Ayuso. 3) Fix NULL deref when rtlwifi driver is used as an AP, from Luis Felipe Dominguez Vega. 4) Rocker doesn't free netdev on device removal, from Ido Schimmel. 5) UDP multicast early sock demux has route handling races, from Eric Dumazet. 6) Fix L4 checksum handling in openvswitch, from Glenn Griffin. 7) Fix use-after-free in skb_set_peeked, from Herbert Xu. 8) Don't advertize NETIF_F_FRAGLIST in virtio_net driver, this can lead to fraglists longer than the driver can support. From Jason Wang. 9) Fix mlx5 on non-4k-pagesize systems, from Carol L Soto. 10) Fix interrupt storm in bna driver, from Ivan Vecera. 11) Don't propagate -EBUSY from netlink_insert(), from Daniel Borkmann. 12) Fix inet request sock leak, from Eric Dumazet. 13) Fix TX interrupt masking and marking in TX descriptors of fs_enet driver, from LEROY Christophe. 14) Get rid of rule optimizer in gianfar driver, it's buggy and unlikely to get fixed any time soon. From Jakub Kicinski * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (61 commits) cosa: missing error code on failure in probe() gianfar: remove faulty filer optimizer gianfar: correct list membership accounting gianfar: correct filer table writing bonding: Gratuitous ARP gets dropped when first slave added net: dsa: Do not override PHY interface if already configured net: fs_enet: mask interrupts for TX partial frames. net: fs_enet: explicitly remove I flag on TX partial frames inet: fix possible request socket leak inet: fix races with reqsk timers mkiss: Fix error handling in mkiss_open() bnx2x: Free NVRAM lock at end of each page bnx2x: Prevent null pointer dereference on SKB release cxgb4: missing curly braces in t4_setup_debugfs() net-timestamp: Update skb_complete_tx_timestamp comment ipv6: don't reject link-local nexthop on other interface netlink: make sure -EBUSY won't escape from netlink_insert bna: fix interrupts storm caused by erroneous packets net: mvpp2: replace TX coalescing interrupts with hrtimer net: mvpp2: enable proper per-CPU TX buffers unmapping ... | 13 August 2015, 17:46:39 UTC |
2331d30 | Linus Torvalds | 13 August 2015, 17:22:11 UTC | Merge tag 'edac_fix_for_4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp Pull EDAC fix from Borislav Petkov: "A ppc4xx_edac fix for accessing ->csrows properly. This driver was missed during the conversion a couple of years ago" * tag 'edac_fix_for_4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp: EDAC, ppc4xx: Access mci->csrows array elements properly | 13 August 2015, 17:22:11 UTC |
85ad3de | Murali Karicheri | 10 August 2015, 03:06:27 UTC | ARM: dts: keystone: Fix the mdio bindings by moving it to soc specific file Currently mdio bindings are defined in keystone.dtsi and this results in incorrect unit address for the node on K2E and K2L SoCs. Fix this by moving them to SoC specific DTS file. Signed-off-by: Murali Karicheri <m-karicheri2@ti.com> Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org> | 13 August 2015, 17:01:29 UTC |
e61eee7 | Murali Karicheri | 10 August 2015, 03:06:27 UTC | ARM: dts: keystone: fix the clock node for mdio Currently the MDIO clock is pointing to clkpa instead of clkcpgmac. MDIO is part of the ethss and the clock should be clkcpgmac. Signed-off-by: Murali Karicheri <m-karicheri2@ti.com> Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org> | 13 August 2015, 17:01:29 UTC |
659181a | Olof Johansson | 13 August 2015, 12:27:12 UTC | Merge tag 'omap-for-v4.2/fixes-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes Fix a NULL pointer exception for omap GPMC bus code if probe fails. * tag 'omap-for-v4.2/fixes-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: memory: omap-gpmc: Don't try to save uninitialized GPMC context Signed-off-by: Olof Johansson <olof@lixom.net> | 13 August 2015, 12:27:12 UTC |
db55350 | Olof Johansson | 13 August 2015, 10:24:55 UTC | Merge tag 'imx-fixes-4.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes The i.MX fixes for 4.2, 3rd round: - Fix i.MX6 PCIe interrupt routing which gets missed from stacked IRQ domain conversion. The PCIe wakeup support is currently broken because of this. * tag 'imx-fixes-4.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: ARM: imx6: correct i.MX6 PCIe interrupt routing Signed-off-by: Olof Johansson <olof@lixom.net> | 13 August 2015, 10:24:55 UTC |
07616f0 | Olof Johansson | 13 August 2015, 10:18:45 UTC | Merge tag 'samsung-mach-fixes-4.2' of https://github.com/krzk/linux into fixes Two fixes for bugs in Exynos power domain error exit path: 1. kfree() of read-only memory (name of power domain returned by kstrdup_const()), 2. Doubled of_node_put() leading to invalid ref count for OF node. * tag 'samsung-mach-fixes-4.2' of https://github.com/krzk/linux: ARM: EXYNOS: fix double of_node_put() on error path ARM: EXYNOS: Fix potentian kfree() of ro memory Signed-off-by: Olof Johansson <olof@lixom.net> | 13 August 2015, 10:18:45 UTC |
5c16179 | Michael Walle | 21 July 2015, 09:00:53 UTC | EDAC, ppc4xx: Access mci->csrows array elements properly The commit de3910eb79ac ("edac: change the mem allocation scheme to make Documentation/kobject.txt happy") changed the memory allocation for the csrows member. But ppc4xx_edac was forgotten in the patch. Fix it. Signed-off-by: Michael Walle <michael@walle.cc> Cc: <stable@vger.kernel.org> Cc: linux-edac <linux-edac@vger.kernel.org> Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Link: http://lkml.kernel.org/r/1437469253-8611-1-git-send-email-michael@walle.cc Signed-off-by: Borislav Petkov <bp@suse.de> | 13 August 2015, 04:02:19 UTC |
e6d0069 | Dan Carpenter | 12 August 2015, 21:08:01 UTC | cosa: missing error code on failure in probe() If register_hdlc_device() fails, the current code returns 0 but we should return an error code instead. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 12 August 2015, 23:53:11 UTC |
e941ba8 | David S. Miller | 12 August 2015, 21:47:06 UTC | Merge branch 'gianfar-fixes' Jakub Kicinski says: ==================== gianfar: filer changes respinning with examples as requested. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> | 12 August 2015, 21:47:06 UTC |
1f2b729 | Jakub Kicinski | 12 August 2015, 00:41:57 UTC | gianfar: remove faulty filer optimizer Current filer rule optimization is broken in several ways: (1) Can perform reads/writes beyond end of allocated tables. (gianfar_ethtool.c:1326). (2) It breaks badly for rules with more than 2 specifiers (e.g. matching ip, port, tos). Example: # ethtool -N eth2 flow-type udp4 dst-ip 10.0.0.1 dst-port 1 tos 1 action 1 Added rule with ID 254 # ethtool -N eth2 flow-type udp4 dst-ip 10.0.0.2 dst-port 2 tos 2 action 9 Added rule with ID 253 # ethtool -N eth2 flow-type udp4 dst-ip 10.0.0.3 dst-port 3 tos 3 action 17 Added rule with ID 252 # ./filer_decode /sys/kernel/debug/gfar1/filer_raw 00: MASK == 00000210 AND Q:00 ctrl:00000080 prop:00000210 01: FPR == 00000210 AND CLE Q:00 ctrl:00000281 prop:00000210 02: MASK == ffffffff AND Q:00 ctrl:00000080 prop:ffffffff 03: DPT == 00000003 AND Q:00 ctrl:0000008e prop:00000003 04: TOS == 00000003 AND Q:00 ctrl:0000008a prop:00000003 05: DIA == 0a000003 AND Q:11 ctrl:0000448c prop:0a000003 06: DPT == 00000002 AND Q:00 ctrl:0000008e prop:00000002 07: TOS == 00000002 AND Q:00 ctrl:0000008a prop:00000002 08: DIA == 0a000002 AND Q:09 ctrl:0000248c prop:0a000002 09: DIA == 0a000001 AND Q:00 ctrl:0000008c prop:0a000001 0a: DPT == 00000001 AND Q:00 ctrl:0000008e prop:00000001 0b: TOS == 00000001 CLE Q:01 ctrl:0000060a prop:00000001 ff: MASK >= 00000000 Q:00 ctrl:00000020 prop:00000000 (Entire cluster gets AND-ed together). (3) We observed that the masking rules it generates do not play well with clustering on P2020. Only first rule of the cluster would ever fire. Given that optimizer relies heavily on masking this is very hard to fix. Example: # ethtool -N eth2 flow-type udp4 dst-ip 10.0.0.1 dst-port 1 action 1 Added rule with ID 254 # ethtool -N eth2 flow-type udp4 dst-ip 10.0.0.2 dst-port 2 action 9 Added rule with ID 253 # ethtool -N eth2 flow-type udp4 dst-ip 10.0.0.3 dst-port 3 action 17 Added rule with ID 252 # ./filer_decode /sys/kernel/debug/gfar1/filer_raw 00: MASK == 00000210 AND Q:00 ctrl:00000080 prop:00000210 01: FPR == 00000210 AND CLE Q:00 ctrl:00000281 prop:00000210 02: MASK == ffffffff AND Q:00 ctrl:00000080 prop:ffffffff 03: DPT == 00000003 AND Q:00 ctrl:0000008e prop:00000003 04: DIA == 0a000003 Q:11 ctrl:0000440c prop:0a000003 05: DPT == 00000002 AND Q:00 ctrl:0000008e prop:00000002 06: DIA == 0a000002 Q:09 ctrl:0000240c prop:0a000002 07: DIA == 0a000001 AND Q:00 ctrl:0000008c prop:0a000001 08: DPT == 00000001 CLE Q:01 ctrl:0000060e prop:00000001 ff: MASK >= 00000000 Q:00 ctrl:00000020 prop:00000000 Which looks correct according to the spec but only the first (eth id 252)/last added rule for 10.0.0.3 will ever trigger. As if filer did not treat the AND CLE as cluster start but also kept AND-ing the rules. We found no errata covering this. The fact that nobody noticed (2) or (3) makes me think that this feature is not very widely used and we should just remove it. Reported-by: Aleksander Dutkowski <adutkowski@gmail.com> Signed-off-by: Jakub Kicinski <kubakici@wp.pl> Acked-by: Claudiu Manoil <claudiu.manoil@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 12 August 2015, 21:47:06 UTC |
b5c8c89 | Jakub Kicinski | 12 August 2015, 00:41:56 UTC | gianfar: correct list membership accounting At a cost of one line let's make sure .count is correct when calling gfar_process_filer_changes(). Signed-off-by: Jakub Kicinski <kubakici@wp.pl> Signed-off-by: David S. Miller <davem@davemloft.net> | 12 August 2015, 21:47:05 UTC |
a898fe0 | Jakub Kicinski | 12 August 2015, 00:41:55 UTC | gianfar: correct filer table writing MAX_FILER_IDX is the last usable index. Using less-than will already guarantee that one entry for catch-all rule will be left, no need to subtract 1 here. Signed-off-by: Jakub Kicinski <kubakici@wp.pl> Signed-off-by: David S. Miller <davem@davemloft.net> | 12 August 2015, 21:47:05 UTC |
b02e3e9 | Venkat Venkatsubra | 11 August 2015, 14:57:23 UTC | bonding: Gratuitous ARP gets dropped when first slave added When the first slave is added (such as during bootup) the first gratuitous ARP gets dropped. We don't see this drop during a failover. The packet gets dropped in qdisc (noop_enqueue). The fix is to delay the sending of gratuitous ARPs till the bond dev's carrier is present. It can also be worked around by setting num_grat_arp to more than 1. Signed-off-by: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 12 August 2015, 21:37:33 UTC |
211c504 | Florian Fainelli | 08 August 2015, 19:58:57 UTC | net: dsa: Do not override PHY interface if already configured In case we need to divert reads/writes using the slave MII bus, we may have already fetched a valid PHY interface property from Device Tree, and that mode is used by the PHY driver to make configuration decisions. If we could not fetch the "phy-mode" property, we will assign p->phy_interface to PHY_INTERFACE_MODE_NA, such that we can actually check for that condition as to whether or not we should override the interface value. Fixes: 19334920eaf7 ("net: dsa: Set valid phy interface type") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 12 August 2015, 21:29:50 UTC |
4f258a4 | Martin K. Petersen | 23 June 2015, 16:13:59 UTC | sd: Fix maximum I/O size for BLOCK_PC requests Commit bcdb247c6b6a ("sd: Limit transfer length") clamped the maximum size of an I/O request to the MAXIMUM TRANSFER LENGTH field in the BLOCK LIMITS VPD. This had the unfortunate effect of also limiting the maximum size of non-filesystem requests sent to the device through sg/bsg. Avoid using blk_queue_max_hw_sectors() and set the max_sectors queue limit directly. Also update the comment in blk_limits_max_hw_sectors() to clarify that max_hw_sectors defines the limit for the I/O controller only. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Reported-by: Brian King <brking@linux.vnet.ibm.com> Tested-by: Brian King <brking@linux.vnet.ibm.com> Cc: stable@vger.kernel.org # 3.17+ Signed-off-by: James Bottomley <JBottomley@Odin.com> | 12 August 2015, 18:54:37 UTC |
30065bf | Linus Torvalds | 12 August 2015, 18:25:01 UTC | Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fix from Catalin Marinas: "Fix coarse clock monotonicity (VDSO timestamp off by one jiffy compared to the syscall one)" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: VDSO: fix coarse clock monotonicity regression | 12 August 2015, 18:25:01 UTC |
8f2777f | Bart Van Assche | 05 June 2015, 21:20:51 UTC | libfc: Fix fc_fcp_cleanup_each_cmd() Since fc_fcp_cleanup_cmd() can sleep this function must not be called while holding a spinlock. This patch avoids that fc_fcp_cleanup_each_cmd() triggers the following bug: BUG: scheduling while atomic: sg_reset/1512/0x00000202 1 lock held by sg_reset/1512: #0: (&(&fsp->scsi_pkt_lock)->rlock){+.-...}, at: [<ffffffffc0225cd5>] fc_fcp_cleanup_each_cmd.isra.21+0xa5/0x150 [libfc] Preemption disabled at:[<ffffffffc0225cd5>] fc_fcp_cleanup_each_cmd.isra.21+0xa5/0x150 [libfc] Call Trace: [<ffffffff816c612c>] dump_stack+0x4f/0x7b [<ffffffff810828bc>] __schedule_bug+0x6c/0xd0 [<ffffffff816c87aa>] __schedule+0x71a/0xa10 [<ffffffff816c8ad2>] schedule+0x32/0x80 [<ffffffffc0217eac>] fc_seq_set_resp+0xac/0x100 [libfc] [<ffffffffc0218b11>] fc_exch_done+0x41/0x60 [libfc] [<ffffffffc0225cff>] fc_fcp_cleanup_each_cmd.isra.21+0xcf/0x150 [libfc] [<ffffffffc0225f43>] fc_eh_device_reset+0x1c3/0x270 [libfc] [<ffffffff814a2cc9>] scsi_try_bus_device_reset+0x29/0x60 [<ffffffff814a3908>] scsi_ioctl_reset+0x258/0x2d0 [<ffffffff814a2650>] scsi_ioctl+0x150/0x440 [<ffffffff814b3a9d>] sd_ioctl+0xad/0x120 [<ffffffff8132f266>] blkdev_ioctl+0x1b6/0x810 [<ffffffff811da608>] block_ioctl+0x38/0x40 [<ffffffff811b4e08>] do_vfs_ioctl+0x2f8/0x530 [<ffffffff811b50c1>] SyS_ioctl+0x81/0xa0 [<ffffffff816cf8b2>] system_call_fastpath+0x16/0x7a Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Vasu Dev <vasu.dev@intel.com> Signed-off-by: James Bottomley <JBottomley@Odin.com> | 12 August 2015, 18:24:21 UTC |
f6979ad | Bart Van Assche | 05 June 2015, 21:20:46 UTC | libfc: Fix fc_exch_recv_req() error path Due to patch "libfc: Do not invoke the response handler after fc_exch_done()" (commit ID 7030fd62) the lport_recv() call in fc_exch_recv_req() is passed a dangling pointer. Avoid this by moving the fc_frame_free() call from fc_invoke_resp() to its callers. This patch fixes the following crash: general protection fault: 0000 [#3] PREEMPT SMP RIP: fc_lport_recv_req+0x72/0x280 [libfc] Call Trace: fc_exch_recv+0x642/0xde0 [libfc] fcoe_percpu_receive_thread+0x46a/0x5ed [fcoe] kthread+0x10a/0x120 ret_from_fork+0x42/0x70 Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Vasu Dev <vasu.dev@intel.com> Signed-off-by: James Bottomley <JBottomley@Odin.com> | 12 August 2015, 18:23:30 UTC |
04da002 | Linus Torvalds | 12 August 2015, 18:13:54 UTC | Merge branch 'drm-fixes-4.2' of git://people.freedesktop.org/~agd5f/linux Pull amd drm fixes from Alex Deucher: "Dave is on vacation at the moment, so please pull these radeon and amdgpu fixes directly. Just a few minor things for 4.2: - add a new radeon pci id - fix a power management regression in amdgpu - fix HEVC command buffer validation in amdgpu" * 'drm-fixes-4.2' of git://people.freedesktop.org/~agd5f/linux: drm/radeon: add new OLAND pci id Revert "drm/amdgpu: Configure doorbell to maximum slots" drm/amdgpu: add context buffer size check for HEVC | 12 August 2015, 18:13:54 UTC |
660d083 | John Soni Jose | 24 June 2015, 01:11:58 UTC | libiscsi: Fix host busy blocking during connection teardown In case of hw iscsi offload, an host can have N-number of active connections. There can be IO's running on some connections which make host->host_busy always TRUE. Now if logout from a connection is tried then the code gets into an infinite loop as host->host_busy is always TRUE. iscsi_conn_teardown(....) { ......... /* * Block until all in-progress commands for this connection * time out or fail. */ for (;;) { spin_lock_irqsave(session->host->host_lock, flags); if (!atomic_read(&session->host->host_busy)) { /* OK for ERL == 0 */ spin_unlock_irqrestore(session->host->host_lock, flags); break; } spin_unlock_irqrestore(session->host->host_lock, flags); msleep_interruptible(500); iscsi_conn_printk(KERN_INFO, conn, "iscsi conn_destroy(): " "host_busy %d host_failed %d\n", atomic_read(&session->host->host_busy), session->host->host_failed); ................ ............... } } This is not an issue with software-iscsi/iser as each cxn is a separate host. Fix: Acquiring eh_mutex in iscsi_conn_teardown() before setting session->state = ISCSI_STATE_TERMINATE. Signed-off-by: John Soni Jose <sony.john@avagotech.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Reviewed-by: Chris Leech <cleech@redhat.com> Cc: stable@vger.kernel.org Signed-off-by: James Bottomley <JBottomley@Odin.com> | 12 August 2015, 17:21:20 UTC |
e037239 | Alex Deucher | 10 August 2015, 19:28:49 UTC | drm/radeon: add new OLAND pci id Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org | 12 August 2015, 16:24:05 UTC |
b8826b0 | Alex Deucher | 10 August 2015, 15:08:31 UTC | Revert "drm/amdgpu: Configure doorbell to maximum slots" This reverts commit 78ad5cdd21f0d614983fc397338944e797ec70b9. This commit breaks dpm and suspend/resume on CZ. | 12 August 2015, 16:24:04 UTC |
8c8bac5 | Boyuan Zhang | 05 August 2015, 18:03:48 UTC | drm/amdgpu: add context buffer size check for HEVC Signed-off-by: Boyuan Zhang <boyuan.zhang@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> | 12 August 2015, 16:24:03 UTC |
cec45d9 | Linus Torvalds | 12 August 2015, 16:06:39 UTC | Merge tag 'regmap-fix-v4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap Pull regmap fix from Mark Brown: "regmap: Fix handling of present bits on rbtree cache block resize When expanding a cache block we use krealloc() to resize the register present bitmap without initialising the newly allocated data (the original code was written for kzalloc()). Add an appropraite memset() to fix that" * tag 'regmap-fix-v4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: regmap: regcache-rbtree: Clean new present bits on present bitmap resize | 12 August 2015, 16:06:39 UTC |
34dd051 | Yi Zhang | 12 August 2015, 11:22:43 UTC | dm cache policy smq: move 'dm-cache-default' module alias to SMQ When creating dm-cache with the default policy, it will call request_module("dm-cache-default") to register the default policy. But the "dm-cache-default" alias was left referring to the MQ policy. Fix this by moving the module alias to SMQ. Fixes: bccab6a0 (dm cache: switch the "default" cache replacement policy from mq to smq) Signed-off-by: Yi Zhang <yizhan@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> | 12 August 2015, 15:27:29 UTC |
b0dc3c8 | Joe Thornber | 12 August 2015, 14:12:09 UTC | dm btree: add ref counting ops for the leaves of top level btrees When using nested btrees, the top leaves of the top levels contain block addresses for the root of the next tree down. If we shadow a shared leaf node the leaf values (sub tree roots) should be incremented accordingly. This is only an issue if there is metadata sharing in the top levels. Which only occurs if metadata snapshots are being used (as is possible with dm-thinp). And could result in a block from the thinp metadata snap being reused early, thus corrupting the thinp metadata snap. Signed-off-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Cc: stable@vger.kernel.org | 12 August 2015, 14:50:37 UTC |
7f518ad | Joe Thornber | 12 August 2015, 14:10:21 UTC | dm thin metadata: delete btrees when releasing metadata snapshot The device details and mapping trees were just being decremented before. Now btree_del() is called to do a deep delete. Signed-off-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Cc: stable@vger.kernel.org | 12 August 2015, 14:42:51 UTC |
d7a702f | Matt Fleming | 06 August 2015, 12:12:43 UTC | perf/x86/intel/cqm: Do not access cpu_data() from CPU_UP_PREPARE handler Tony reports that booting his 144-cpu machine with maxcpus=10 triggers the following WARN_ON(): [ 21.045727] WARNING: CPU: 8 PID: 647 at arch/x86/kernel/cpu/perf_event_intel_cqm.c:1267 intel_cqm_cpu_prepare+0x75/0x90() [ 21.045744] CPU: 8 PID: 647 Comm: systemd-udevd Not tainted 4.2.0-rc4 #1 [ 21.045745] Hardware name: Intel Corporation BRICKLAND/BRICKLAND, BIOS BRHSXSD1.86B.0066.R00.1506021730 06/02/2015 [ 21.045747] 0000000000000000 0000000082771b09 ffff880856333ba8 ffffffff81669b67 [ 21.045748] 0000000000000000 0000000000000000 ffff880856333be8 ffffffff8107b02a [ 21.045750] ffff88085b789800 ffff88085f68a020 ffffffff819e2470 000000000000000a [ 21.045750] Call Trace: [ 21.045757] [<ffffffff81669b67>] dump_stack+0x45/0x57 [ 21.045759] [<ffffffff8107b02a>] warn_slowpath_common+0x8a/0xc0 [ 21.045761] [<ffffffff8107b15a>] warn_slowpath_null+0x1a/0x20 [ 21.045762] [<ffffffff81036725>] intel_cqm_cpu_prepare+0x75/0x90 [ 21.045764] [<ffffffff81036872>] intel_cqm_cpu_notifier+0x42/0x160 [ 21.045767] [<ffffffff8109a33d>] notifier_call_chain+0x4d/0x80 [ 21.045769] [<ffffffff8109a44e>] __raw_notifier_call_chain+0xe/0x10 [ 21.045770] [<ffffffff8107b538>] _cpu_up+0xe8/0x190 [ 21.045771] [<ffffffff8107b65a>] cpu_up+0x7a/0xa0 [ 21.045774] [<ffffffff8165e920>] cpu_subsys_online+0x40/0x90 [ 21.045777] [<ffffffff81433b37>] device_online+0x67/0x90 [ 21.045778] [<ffffffff81433bea>] online_store+0x8a/0xa0 [ 21.045782] [<ffffffff81430e78>] dev_attr_store+0x18/0x30 [ 21.045785] [<ffffffff8126b6ba>] sysfs_kf_write+0x3a/0x50 [ 21.045786] [<ffffffff8126ad40>] kernfs_fop_write+0x120/0x170 [ 21.045789] [<ffffffff811f0b77>] __vfs_write+0x37/0x100 [ 21.045791] [<ffffffff811f38b8>] ? __sb_start_write+0x58/0x110 [ 21.045795] [<ffffffff81296d2d>] ? security_file_permission+0x3d/0xc0 [ 21.045796] [<ffffffff811f1279>] vfs_write+0xa9/0x190 [ 21.045797] [<ffffffff811f2075>] SyS_write+0x55/0xc0 [ 21.045800] [<ffffffff81067300>] ? do_page_fault+0x30/0x80 [ 21.045804] [<ffffffff816709ae>] entry_SYSCALL_64_fastpath+0x12/0x71 [ 21.045805] ---[ end trace fe228b836d8af405 ]--- The root cause is that CPU_UP_PREPARE is completely the wrong notifier action from which to access cpu_data(), because smp_store_cpu_info() won't have been executed by the target CPU at that point, which in turn means that ->x86_cache_max_rmid and ->x86_cache_occ_scale haven't been filled out. Instead let's invoke our handler from CPU_STARTING and rename it appropriately. Reported-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Matt Fleming <matt.fleming@intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Ashok Raj <ashok.raj@intel.com> Cc: Kanaka Juvva <kanaka.d.juvva@intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vikas Shivappa <vikas.shivappa@intel.com> Link: http://lkml.kernel.org/r/1438863163-14083-1-git-send-email-matt@codeblueprint.co.uk Signed-off-by: Ingo Molnar <mingo@kernel.org> | 12 August 2015, 09:37:23 UTC |
dbc72b7 | Peter Zijlstra | 10 August 2015, 12:17:34 UTC | perf/x86/intel: Fix memory leak on hot-plug allocation fail We fail to free the shared_regs allocation if the constraint_list allocation fails. Cure this and be more consistent in NULL-ing the pointers after free. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@kernel.org> | 12 August 2015, 09:37:22 UTC |
c7999c6 | Peter Zijlstra | 04 August 2015, 17:22:49 UTC | perf: Fix PERF_EVENT_IOC_PERIOD migration race I ran the perf fuzzer, which triggered some WARN()s which are due to trying to stop/restart an event on the wrong CPU. Use the normal IPI pattern to ensure we run the code on the correct CPU. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Vince Weaver <vincent.weaver@maine.edu> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Fixes: bad7192b842c ("perf: Fix PERF_EVENT_IOC_PERIOD to force-reset the period") Signed-off-by: Ingo Molnar <mingo@kernel.org> | 12 August 2015, 09:37:22 UTC |
ee9397a | Ben Hutchings | 26 July 2015, 23:31:08 UTC | perf: Fix double-free of the AUX buffer If rb->aux_refcount is decremented to zero before rb->refcount, __rb_free_aux() may be called twice resulting in a double free of rb->aux_pages. Fix this by adding a check to __rb_free_aux(). Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: stable@vger.kernel.org Fixes: 57ffc5ca679f ("perf: Fix AUX buffer refcounting") Link: http://lkml.kernel.org/r/1437953468.12842.17.camel@decadent.org.uk Signed-off-by: Ingo Molnar <mingo@kernel.org> | 12 August 2015, 09:37:21 UTC |
e984a17 | Tomeu Vizoso | 05 August 2015, 12:24:15 UTC | memory: omap-gpmc: Don't try to save uninitialized GPMC context If for some reason the GPMC device hasn't been probed yet, gpmc_base is going to be NULL. Because there's no context yet to be saved, just turn these functions into no-ops until that device gets probed. Unable to handle kernel NULL pointer dereference at virtual address 00000010 pgd = c0204000 [00000010] *pgd=00000000 Internal error: Oops: 5 [#1] SMP ARM Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.2.0-rc5-next-20150804-05947-g23f38fe8eda9 #1 Hardware name: Generic OMAP3-GP (Flattened Device Tree) task: c0e623e8 ti: c0e5c000 task.ti: c0e5c000 PC is at omap3_gpmc_save_context+0x8/0xc4 LR is at omap_sram_idle+0x154/0x23c pc : [<c087c7ac>] lr : [<c023262c>] psr: 60000193 sp : c0e5df40 ip : c0f92a80 fp : c0999eb0 r10: c0e57364 r9 : c0e66f14 r8 : 00000003 r7 : 00000000 r6 : 00000003 r5 : 00000000 r4 : c0f5f174 r3 : c0fa4fe8 r2 : 00000000 r1 : 00000000 r0 : fa200280 Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel Control: 10c5387d Table: 80204019 DAC: 00000015 Process swapper/0 (pid: 0, stack limit = 0xc0e5c220) Stack: (0xc0e5df40 to 0xc0e5e000) df40: 00000000 c0e66ef8 c0f5f1a4 00000000 00000003 c02333a4 c3813822 00000000 df60: 00000000 c0e5a5c8 cfb8a5d0 c07f0c44 0e4f1d7e 00000000 00000000 00000000 df80: c3813822 00000000 cfb8a5d0 c0e5e4e4 cfb8a5d0 c0e66f14 c0e5a5c8 c0e5e54c dfa0: c0e5e544 c0e57364 c0999eb0 c0277758 000000fa c0f5d000 00000000 c0d61c18 dfc0: ffffffff ffffffff 00000000 c0d61674 00000000 c0df7a48 00000000 c0f5d5d4 dfe0: c0e5e4c0 c0df7a44 c0e634f8 80204059 00000000 8020807c 00000000 00000000 [<c087c7ac>] (omap3_gpmc_save_context) from [<c023262c>] (omap_sram_idle+0x154/0x23c) [<c023262c>] (omap_sram_idle) from [<c02333a4>] (omap3_enter_idle_bm+0xec/0x1a8) [<c02333a4>] (omap3_enter_idle_bm) from [<c07f0c44>] (cpuidle_enter_state+0xbc/0x284) [<c07f0c44>] (cpuidle_enter_state) from [<c0277758>] (cpu_startup_entry+0x174/0x24c) [<c0277758>] (cpu_startup_entry) from [<c0d61c18>] (start_kernel+0x358/0x3c0) [<c0d61c18>] (start_kernel) from [<8020807c>] (0x8020807c) Code: c0ccace8 c0ccacc0 e59f30b4 e5932000 (e5921010) Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> Suggested-by: Javier Martinez Canillas <javier@dowhile0.org> Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com> Acked-by: Roger Quadros <rogerq@ti.com> [tony@atomide.com: updated description as suggested by Javier] Signed-off-by: Tony Lindgren <tony@atomide.com> | 12 August 2015, 08:43:49 UTC |
58ccab9 | Linus Torvalds | 11 August 2015, 22:13:41 UTC | Merge tag 'localmodconfig-v4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-kconfig Pull localmodconfig fix from Steven Rostedt: "Leonidas Spyropoulos found that modules like nouveau were being unselected by make localmodconfig even though their configs were set and the module was loaded and visible by lsmod. The reason for this was because streamline-config.pl only looks at Makefiles, and not Kbuild files. As these modules use Kbuild for their names, they too need to be checked by localmodconfig. This was fixed by Richard Weinberger" * tag 'localmodconfig-v4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-kconfig: localmodconfig: Use Kbuild files too | 11 August 2015, 22:13:41 UTC |
c0ddc8c | Richard Weinberger | 26 July 2015, 22:06:55 UTC | localmodconfig: Use Kbuild files too In kbuild it is allowed to define objects in files named "Makefile" and "Kbuild". Currently localmodconfig reads objects only from "Makefile"s and misses modules like nouveau. Link: http://lkml.kernel.org/r/1437948415-16290-1-git-send-email-richard@nod.at Cc: stable@vger.kernel.org Reported-and-tested-by: Leonidas Spyropoulos <artafinde@gmail.com> Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> | 11 August 2015, 21:34:35 UTC |
28eaad7 | David S. Miller | 11 August 2015, 21:16:07 UTC | Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth Johan Hedberg says: ==================== pull request: bluetooth 2015-08-11 Here's an important regression fix for the 4.2-rc series that ensures user space isn't given invalid LTK values. The bug essentially prevents the encryption of subsequent LE connections, i.e. makes it impossible to pair devices over LE. Let me know if there are any issues pulling. Thanks. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> | 11 August 2015, 21:16:07 UTC |
c68875f | LEROY Christophe | 11 August 2015, 10:11:03 UTC | net: fs_enet: mask interrupts for TX partial frames. We are not interested in interrupts for partially transmitted frames. Unlike SCC and FCC, the FEC doesn't handle the I bit in buffer descriptors, instead it defines two interrupt bits, TXB and TXF. We have to mask TXB in order to only get interrupts once the frame is fully transmitted. Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: David S. Miller <davem@davemloft.net> | 11 August 2015, 19:05:34 UTC |
8961822 | LEROY Christophe | 11 August 2015, 10:11:00 UTC | net: fs_enet: explicitly remove I flag on TX partial frames We are not interested in interrupts for partially transmitted frames, we have to clear BD_ENET_TX_INTR explicitly otherwise it may remain from a previously used descriptor. Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: David S. Miller <davem@davemloft.net> | 11 August 2015, 19:05:34 UTC |
edf15b4 | Linus Torvalds | 11 August 2015, 17:23:59 UTC | Merge tag 'fbdev-fixes-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux Pull fbdev fixes from Tomi Valkeinen: - fix display regression on Versatile boards - fix OF node refcount bugs on omapdss - fix WARN about clock prepare on pxa3xx_gcu - fix mem leak in videomode helpers - fix fbconsole related boot problem on sun7i-a20-olinuxino-micro * tag 'fbdev-fixes-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: fbcon: unconditionally initialize cursor blink interval video: Fix possible leak in of_get_videomode() video: fbdev: pxa3xx_gcu: prepare the clocks OMAPDSS: Fix omap_dss_find_output_by_port_node() port refcount decrement OMAPDSS: Fix node refcount leak in omapdss_of_get_next_port() fbdev: select versatile helpers for the integrator | 11 August 2015, 17:23:59 UTC |
e2e927c | Olof Johansson | 11 August 2015, 13:22:10 UTC | Merge tag 'omap-for-v4.2/fixes-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes Few trivial omap MMC regression fixes for card voltages where the syscon areas for PBIAS regulator were missing "simple-bus" that prevents probing of the children in the mapped region. This probably was not noticed earlier as the bootloader has already configured the regulator for the card in the slot. * tag 'omap-for-v4.2/fixes-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: dts: dra7: Fix broken pbias device creation ARM: dts: OMAP5: Fix broken pbias device creation ARM: dts: OMAP4: Fix broken pbias device creation ARM: dts: omap243x: Fix broken pbias device creation Signed-off-by: Olof Johansson <olof@lixom.net> | 11 August 2015, 13:22:10 UTC |
09edea4 | Nathan Lynch | 10 August 2015, 16:36:06 UTC | ARM: 8410/1: VDSO: fix coarse clock monotonicity regression Since 906c55579a63 ("timekeeping: Copy the shadow-timekeeper over the real timekeeper last") it has become possible on ARM to: - Obtain a CLOCK_MONOTONIC_COARSE or CLOCK_REALTIME_COARSE timestamp via syscall. - Subsequently obtain a timestamp for the same clock ID via VDSO which predates the first timestamp (by one jiffy). This is because ARM's update_vsyscall is deriving the coarse time using the __current_kernel_time interface, when it should really be using the timekeeper object provided to it by the timekeeping core. It happened to work before only because __current_kernel_time would access the same timekeeper object which had been passed to update_vsyscall. This is no longer the case. Cc: stable@vger.kernel.org Fixes: 906c55579a63 ("timekeeping: Copy the shadow-timekeeper over the real timekeeper last") Signed-off-by: Nathan Lynch <nathan_lynch@mentor.com> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> | 11 August 2015, 12:42:44 UTC |
c22fe51 | Julien Grall | 10 August 2015, 18:10:38 UTC | xen/xenbus: Don't leak memory when unmapping the ring on HVM backend The commit ccc9d90a9a8b5c4ad7e9708ec41f75ff9e98d61d "xenbus_client: Extend interface to support multi-page ring" removes the call to free_xenballooned_pages() in xenbus_unmap_ring_vfree_hvm(), leaking a page for every shared ring. Only with backends running in HVM domains were affected. Signed-off-by: Julien Grall <julien.grall@citrix.com> Cc: <stable@vger.kernel.org> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Reviewed-by: Wei Liu <wei.liu2@citrix.com> Signed-off-by: David Vrabel <david.vrabel@citrix.com> | 11 August 2015, 10:05:58 UTC |
ad6cd7b | David Vrabel | 10 August 2015, 17:11:06 UTC | Revert "xen/events/fifo: Handle linked events when closing a port" This reverts commit fcdf31a7c162de0c93a2bee51df4688ab0a348f8. This was causing a WARNING whenever a PIRQ was closed since shutdown_pirq() is called with irqs disabled. Signed-off-by: David Vrabel <david.vrabel@citrix.com> Cc: <stable@vger.kernel.org> | 11 August 2015, 10:05:42 UTC |
9992349 | Marek Szyprowski | 09 April 2015, 08:46:00 UTC | drm/exynos/fimc: fix runtime pm support Once pm_runtime_set_active() gets called, the kernel assumes that given device has already enabled runtime pm and will call pm_runtime_suspend() without matching pm_runtime_resume(). In case of DRM FIMC IPP driver, this will result in calling clk_disable() without respective call to clk_enable(). This patch removes call to pm_runtime_set_active() to ensure that pm_runtime_suspend/resume calls will match. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> | 11 August 2015, 08:21:35 UTC |
2c5f70e | Andrzej Hajda | 09 July 2015, 06:25:41 UTC | drm/exynos/mixer: always update INT_EN cache INT_EN cache field was updated only by mixer_enable_vblank. The patch adds update also by mixer_disable_vblank function. Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> | 11 August 2015, 08:21:35 UTC |
4f98f94 | Andrzej Hajda | 09 July 2015, 06:25:40 UTC | drm/exynos/mixer: correct vsync configuration sequence Specification advises to clear vsync indicator before configuring vsync. Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> | 11 August 2015, 08:21:35 UTC |
9859e20 | Andrzej Hajda | 09 July 2015, 08:07:53 UTC | drm/exynos/mixer: fix interrupt clearing The driver used incorrect flags to clear interrupt status. The patch fixes it. Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> | 11 August 2015, 08:21:34 UTC |
e6e771d | Andrzej Hajda | 09 July 2015, 06:25:38 UTC | drm/exynos/hdmi: fix edid memory leak edid returned by drm_get_edid should be freed. The patch fixes it. Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> | 11 August 2015, 08:21:34 UTC |
f2d0160 | Hyungwon Hwang | 01 July 2015, 10:09:24 UTC | drm/exynos: gsc: fix wrong bitwise operation for swap detection The bits for rotation are not used as exclusively. So GSC_IN_ROT_270 can not be used for swap detection. The definition of it is same with GSC_IN_ROT_MASK. It is enough to check GSC_IN_ROT_90 bit is set or not to check whether width / height size swapping is needed. Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> | 11 August 2015, 08:21:34 UTC |
3257d8b | Eric Dumazet | 10 August 2015, 22:07:34 UTC | inet: fix possible request socket leak In commit b357a364c57c9 ("inet: fix possible panic in reqsk_queue_unlink()"), I missed fact that tcp_check_req() can return the listener socket in one case, and that we must release the request socket refcount or we leak it. Tested: Following packetdrill test template shows the issue 0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3 +0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0 +0 bind(3, ..., ...) = 0 +0 listen(3, 1) = 0 +0 < S 0:0(0) win 2920 <mss 1460,sackOK,nop,nop> +0 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK> +.002 < . 1:1(0) ack 21 win 2920 +0 > R 21:21(0) Fixes: b357a364c57c9 ("inet: fix possible panic in reqsk_queue_unlink()") Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 11 August 2015, 04:17:45 UTC |
2235f2a | Eric Dumazet | 10 August 2015, 16:09:13 UTC | inet: fix races with reqsk timers reqsk_queue_destroy() and reqsk_queue_unlink() should use del_timer_sync() instead of del_timer() before calling reqsk_put(), otherwise we could free a req still used by another cpu. But before doing so, reqsk_queue_destroy() must release syn_wait_lock spinlock or risk a dead lock, as reqsk_timer_handler() might need to take this same spinlock from reqsk_queue_unlink() (called from inet_csk_reqsk_queue_drop()) Fixes: fa76ce7328b2 ("inet: get rid of central tcp/dccp listener timer") Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 11 August 2015, 04:17:29 UTC |
9d332d9 | Fabio Estevam | 10 August 2015, 17:22:43 UTC | mkiss: Fix error handling in mkiss_open() If register_netdev() fails we are not propagating the error and we return success because ax_open() succeeded previously. Fix this by checking the return value of ax_open() and register_netdev() and propagate the error in case of failure. Reported-by: RUC_Soft_Sec <zy900702@163.com> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 11 August 2015, 04:10:31 UTC |
1825545 | David S. Miller | 11 August 2015, 04:03:25 UTC | Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf Pablo Neira Ayuso says: ==================== Netfilter fixes for net The following patchset contains five Netfilter fixes for your net tree, they are: 1) Silence a warning on falling back to vmalloc(). Since 88eab472ec21, we can easily hit this warning message, that gets users confused. So let's get rid of it. 2) Recently when porting the template object allocation on top of kmalloc to fix the netns dependencies between x_tables and conntrack, the error checks where left unchanged. Remove IS_ERR() and check for NULL instead. Patch from Dan Carpenter. 3) Don't ignore gfp_flags in the new nf_ct_tmpl_alloc() function, from Joe Stringer. 4) Fix a crash due to NULL pointer dereference in ip6t_SYNPROXY, patch from Phil Sutter. 5) The sequence number of the Syn+ack that is sent from SYNPROXY to clients is not adjusted through our NAT infrastructure, as a result the client may ignore this TCP packet and TCP flow hangs until the client probes us. Also from Phil Sutter. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> | 11 August 2015, 04:03:25 UTC |
7a834ba | Linus Torvalds | 10 August 2015, 22:16:48 UTC | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid Pull HID fixes from Jiri Kosina: - fix for bounds limit calculation in uclogic driver, by Dan Carpenter - fix for use-after-free during device removal, by Krzysztof Kozlowski - fix for userspace regression (that became apparent only with shiny new libinput, so it's not that bad, but I still consider it 4.2 material), in wacom driver, by Jason Gerecke * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: HID: wacom: Report correct device resolution when using the wireless adapater HID: hid-input: Fix accessing freed memory during device disconnect HID: uclogic: fix limit in uclogic_tablet_enable() | 10 August 2015, 22:16:48 UTC |
0be0171 | Jason Gerecke | 05 August 2015, 22:44:53 UTC | HID: wacom: Report correct device resolution when using the wireless adapater The 'wacom_wireless_work' function does not recalculate the tablet's resolution, causing the value contained in the 'features' struct to always be reported to userspace. This value is valid only for the pen interface, meaning that the value will be incorrect for the touchpad (if present). This in particular causes problems for libinput which relies on the reported resolution being correct. This patch adds the necessary calls to recalculate the resolution for each interface. This requires a little bit of code shuffling since both the 'wacom_set_default_phy' and 'wacom_calculate_res' are declared below their new first point of use in 'wacom_wireless_work'. Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz> | 10 August 2015, 21:49:56 UTC |
875a74b | David S. Miller | 10 August 2015, 21:31:59 UTC | Merge branch 'bnx2x-fixes' Yuval Mintz says: ==================== bnx2x: small fixes This adds 2 small fixes, one to error flows during memory release and the other to flash writes via ethtool API. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> | 10 August 2015, 21:31:59 UTC |
0ea853d | Yuval Mintz | 10 August 2015, 09:49:36 UTC | bnx2x: Free NVRAM lock at end of each page Writing each 4Kb page into flash might take up-to ~100 miliseconds, during which time management firmware cannot acces the nvram for its own uses. Firmware upgrade utility use the ethtool API to burn new flash images for the device via the ethtool API, doing so by writing several page-worth of data on each command. Such action might create problems for the management firmware, as the nvram might not be accessible for a long time. This patch changes the write implementation, releasing the nvram lock on the completion of each page, allowing the management firmware time to claim it and perform its own required actions. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 10 August 2015, 21:31:59 UTC |
e161590 | Yuval Mintz | 10 August 2015, 09:49:35 UTC | bnx2x: Prevent null pointer dereference on SKB release On error flows its possible to free an SKB even if it was not allocated. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 10 August 2015, 21:31:58 UTC |
21a4476 | Dan Carpenter | 08 August 2015, 19:15:25 UTC | cxgb4: missing curly braces in t4_setup_debugfs() There were missing curly braces so it means we call add_debugfs_mem() unintentionally. Fixes: 3ccc6cf74d8c ('cxgb4: Adds support for T6 adapter') Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 10 August 2015, 21:26:26 UTC |
7a76a02 | Benjamin Poirier | 07 August 2015, 16:32:21 UTC | net-timestamp: Update skb_complete_tx_timestamp comment After "62bccb8 net-timestamp: Make the clone operation stand-alone from phy timestamping" the hwtstamps parameter of skb_complete_tx_timestamp() may no longer be NULL. Signed-off-by: Benjamin Poirier <bpoirier@suse.com> Cc: Alexander Duyck <alexander.h.duyck@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 10 August 2015, 20:35:37 UTC |
330567b | Florian Westphal | 07 August 2015, 08:54:28 UTC | ipv6: don't reject link-local nexthop on other interface 48ed7b26faa7 ("ipv6: reject locally assigned nexthop addresses") is too strict; it rejects following corner-case: ip -6 route add default via fe80::1:2:3 dev eth1 [ where fe80::1:2:3 is assigned to a local interface, but not eth1 ] Fix this by restricting search to given device if nh is linklocal. Joint work with Hannes Frederic Sowa. Fixes: 48ed7b26faa7 ("ipv6: reject locally assigned nexthop addresses") Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net> | 10 August 2015, 20:29:22 UTC |
4e7c133 | Daniel Borkmann | 06 August 2015, 22:26:41 UTC | netlink: make sure -EBUSY won't escape from netlink_insert Linus reports the following deadlock on rtnl_mutex; triggered only once so far (extract): [12236.694209] NetworkManager D 0000000000013b80 0 1047 1 0x00000000 [12236.694218] ffff88003f902640 0000000000000000 ffffffff815d15a9 0000000000000018 [12236.694224] ffff880119538000 ffff88003f902640 ffffffff81a8ff84 00000000ffffffff [12236.694230] ffffffff81a8ff88 ffff880119c47f00 ffffffff815d133a ffffffff81a8ff80 [12236.694235] Call Trace: [12236.694250] [<ffffffff815d15a9>] ? schedule_preempt_disabled+0x9/0x10 [12236.694257] [<ffffffff815d133a>] ? schedule+0x2a/0x70 [12236.694263] [<ffffffff815d15a9>] ? schedule_preempt_disabled+0x9/0x10 [12236.694271] [<ffffffff815d2c3f>] ? __mutex_lock_slowpath+0x7f/0xf0 [12236.694280] [<ffffffff815d2cc6>] ? mutex_lock+0x16/0x30 [12236.694291] [<ffffffff814f1f90>] ? rtnetlink_rcv+0x10/0x30 [12236.694299] [<ffffffff8150ce3b>] ? netlink_unicast+0xfb/0x180 [12236.694309] [<ffffffff814f5ad3>] ? rtnl_getlink+0x113/0x190 [12236.694319] [<ffffffff814f202a>] ? rtnetlink_rcv_msg+0x7a/0x210 [12236.694331] [<ffffffff8124565c>] ? sock_has_perm+0x5c/0x70 [12236.694339] [<ffffffff814f1fb0>] ? rtnetlink_rcv+0x30/0x30 [12236.694346] [<ffffffff8150d62c>] ? netlink_rcv_skb+0x9c/0xc0 [12236.694354] [<ffffffff814f1f9f>] ? rtnetlink_rcv+0x1f/0x30 [12236.694360] [<ffffffff8150ce3b>] ? netlink_unicast+0xfb/0x180 [12236.694367] [<ffffffff8150d344>] ? netlink_sendmsg+0x484/0x5d0 [12236.694376] [<ffffffff810a236f>] ? __wake_up+0x2f/0x50 [12236.694387] [<ffffffff814cad23>] ? sock_sendmsg+0x33/0x40 [12236.694396] [<ffffffff814cb05e>] ? ___sys_sendmsg+0x22e/0x240 [12236.694405] [<ffffffff814cab75>] ? ___sys_recvmsg+0x135/0x1a0 [12236.694415] [<ffffffff811a9d12>] ? eventfd_write+0x82/0x210 [12236.694423] [<ffffffff811a0f9e>] ? fsnotify+0x32e/0x4c0 [12236.694429] [<ffffffff8108cb70>] ? wake_up_q+0x60/0x60 [12236.694434] [<ffffffff814cba09>] ? __sys_sendmsg+0x39/0x70 [12236.694440] [<ffffffff815d4797>] ? entry_SYSCALL_64_fastpath+0x12/0x6a It seems so far plausible that the recursive call into rtnetlink_rcv() looks suspicious. One way, where this could trigger is that the senders NETLINK_CB(skb).portid was wrongly 0 (which is rtnetlink socket), so the rtnl_getlink() request's answer would be sent to the kernel instead to the actual user process, thus grabbing rtnl_mutex() twice. One theory would be that netlink_autobind() triggered via netlink_sendmsg() internally overwrites the -EBUSY error to 0, but where it is wrongly originating from __netlink_insert() instead. That would reset the socket's portid to 0, which is then filled into NETLINK_CB(skb).portid later on. As commit d470e3b483dc ("[NETLINK]: Fix two socket hashing bugs.") also puts it, -EBUSY should not be propagated from netlink_insert(). It looks like it's very unlikely to reproduce. We need to trigger the rhashtable_insert_rehash() handler under a situation where rehashing currently occurs (one /rare/ way would be to hit ht->elasticity limits while not filled enough to expand the hashtable, but that would rather require a specifically crafted bind() sequence with knowledge about destination slots, seems unlikely). It probably makes sense to guard __netlink_insert() in any case and remap that error. It was suggested that EOVERFLOW might be better than an already overloaded ENOMEM. Reference: http://thread.gmane.org/gmane.linux.network/372676 Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net> | 10 August 2015, 17:59:10 UTC |
ade4dc3 | Ivan Vecera | 06 August 2015, 20:48:23 UTC | bna: fix interrupts storm caused by erroneous packets The commit "e29aa33 bna: Enable Multi Buffer RX" moved packets counter increment from the beginning of the NAPI processing loop after the check for erroneous packets so they are never accounted. This counter is used to inform firmware about number of processed completions (packets). As these packets are never acked the firmware fires IRQs for them again and again. Fixes: e29aa33 ("bna: Enable Multi Buffer RX") Signed-off-by: Ivan Vecera <ivecera@redhat.com> Acked-by: Rasesh Mody <rasesh.mody@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 10 August 2015, 17:58:37 UTC |
ea70858 | David S. Miller | 10 August 2015, 17:57:01 UTC | Merge branch 'mvpp2-fixes' Marcin Wojtas says: ==================== Fixes for the network driver of Marvell Armada 375 SoC This is a set of three patches that fix long-lasting problems implemented in the initial support for the Armada 375 network controller. Due to an inappropriate concept of handling the per-CPU sent packets' processing on TX path the driver numerous problems occured, such as RCU stalls. Those have been fixed, of which details you can find in the commit logs. The patches were intensively tested on top of v4.2-rc5. I'm looking forward to any comments or remarks. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> | 10 August 2015, 17:57:01 UTC |