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Revision | Author | Date | Message | Commit Date |
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f443e37 | Linus Torvalds | 20 March 2022, 20:14:17 UTC | Linux 5.17 Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 20 March 2022, 20:14:17 UTC |
7445b2d | Linus Torvalds | 20 March 2022, 16:46:52 UTC | Merge tag 'for-linus-5.17' of git://git.kernel.org/pub/scm/virt/kvm/kvm Pull kvm fix from Paolo Bonzini: "Fix for the SLS mitigation, which makes a 'SETcc/RET' pair grow to 'SETcc/RET/INT3'. This doesn't fit in 4 bytes any more, so the alignment has to change to 8 for this case" * tag 'for-linus-5.17' of git://git.kernel.org/pub/scm/virt/kvm/kvm: kvm/emulate: Fix SETcc emulation function offsets with SLS | 20 March 2022, 16:46:52 UTC |
1e0e7a6 | Linus Torvalds | 20 March 2022, 16:27:52 UTC | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input fixes from Dmitry Torokhov: "Two driver fixes: - a fix for zinitix touchscreen to properly report contacts - a fix for aiptek tablet driver to be more resilient to devices with incorrect descriptors" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: aiptek - properly check endpoint type Input: zinitix - do not report shadow fingers | 20 March 2022, 16:27:52 UTC |
fe83f5e | Borislav Petkov | 16 March 2022, 21:05:52 UTC | kvm/emulate: Fix SETcc emulation function offsets with SLS The commit in Fixes started adding INT3 after RETs as a mitigation against straight-line speculation. The fastop SETcc implementation in kvm's insn emulator uses macro magic to generate all possible SETcc functions and to jump to them when emulating the respective instruction. However, it hardcodes the size and alignment of those functions to 4: a three-byte SETcc insn and a single-byte RET. BUT, with SLS, there's an INT3 that gets slapped after the RET, which brings the whole scheme out of alignment: 15: 0f 90 c0 seto %al 18: c3 ret 19: cc int3 1a: 0f 1f 00 nopl (%rax) 1d: 0f 91 c0 setno %al 20: c3 ret 21: cc int3 22: 0f 1f 00 nopl (%rax) 25: 0f 92 c0 setb %al 28: c3 ret 29: cc int3 and this explodes like this: int3: 0000 [#1] PREEMPT SMP PTI CPU: 0 PID: 2435 Comm: qemu-system-x86 Not tainted 5.17.0-rc8-sls #1 Hardware name: Dell Inc. Precision WorkStation T3400 /0TP412, BIOS A14 04/30/2012 RIP: 0010:setc+0x5/0x8 [kvm] Code: 00 00 0f 1f 00 0f b6 05 43 24 06 00 c3 cc 0f 1f 80 00 00 00 00 0f 90 c0 c3 cc 0f \ 1f 00 0f 91 c0 c3 cc 0f 1f 00 0f 92 c0 c3 cc <0f> 1f 00 0f 93 c0 c3 cc 0f 1f 00 \ 0f 94 c0 c3 cc 0f 1f 00 0f 95 c0 Call Trace: <TASK> ? x86_emulate_insn [kvm] ? x86_emulate_instruction [kvm] ? vmx_handle_exit [kvm_intel] ? kvm_arch_vcpu_ioctl_run [kvm] ? kvm_vcpu_ioctl [kvm] ? __x64_sys_ioctl ? do_syscall_64 ? entry_SYSCALL_64_after_hwframe </TASK> Raise the alignment value when SLS is enabled and use a macro for that instead of hard-coding naked numbers. Fixes: e463a09af2f0 ("x86: Add straight-line-speculation mitigation") Reported-by: Jamie Heilman <jamie@audible.transient.net> Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Tested-by: Jamie Heilman <jamie@audible.transient.net> Link: https://lore.kernel.org/r/YjGzJwjrvxg5YZ0Z@audible.transient.net [Add a comment and a bit of safety checking, since this is going to be changed again for IBT support. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> | 20 March 2022, 13:55:46 UTC |
14702b3 | Linus Torvalds | 19 March 2022, 23:36:32 UTC | Merge tag 'soc-fixes-5.17-4' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull ARM SoC fix from Arnd Bergmann: "Here is one last regression fix for 5.17, reverting a patch that went into 5.16 as a cleanup that ended up breaking external interrupts on Layerscape chips. The revert makes it work again, but also reintroduces a build time warning about the nonstandard DT binding that will have to be dealt with in the future" * tag 'soc-fixes-5.17-4' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: Revert "arm64: dts: freescale: Fix 'interrupt-map' parent address cells" | 19 March 2022, 23:36:32 UTC |
f76da4d | Linus Torvalds | 19 March 2022, 22:56:43 UTC | Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Two small(ish) fixes, both in drivers" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: fnic: Finish scsi_cmnd before dropping the spinlock scsi: mpt3sas: Page fault in reply q processing | 19 March 2022, 22:56:43 UTC |
97e9c8e | Linus Torvalds | 19 March 2022, 18:04:10 UTC | Merge tag 'perf-tools-fixes-for-v5.17-2022-03-19' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux Pull perf tools fixes from Arnaldo Carvalho de Melo: - Avoid iterating empty evlist, fixing a segfault with 'perf stat --null' - Ignore case in topdown.slots check, fixing issue with Intel Icelake JSON metrics. - Fix symbol size calculation condition for fixing up corner case symbol end address obtained from Kallsyms. * tag 'perf-tools-fixes-for-v5.17-2022-03-19' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: perf parse-events: Ignore case in topdown.slots check perf evlist: Avoid iteration for empty evlist. perf symbols: Fix symbol size calculation condition | 19 March 2022, 18:04:10 UTC |
ba6354f | Linus Torvalds | 19 March 2022, 17:21:34 UTC | Merge tag 'char-misc-5.17-final' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver fix from Greg KH: "Here is a single driver fix for 5.17-final that has been submitted many times but I somehow missed it in my patch queue: - fix for counter sysfs code for reported problem This has been in linux-next all week with no reported issues" * tag 'char-misc-5.17-final' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: counter: Stop using dev_get_drvdata() to get the counter device | 19 March 2022, 17:21:34 UTC |
6aa61c1 | Linus Torvalds | 19 March 2022, 17:16:33 UTC | Merge tag 'usb-5.17-final' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg KH: "Here are some small remaining USB fixes for 5.17-final. They include: - two USB gadget driver fixes for reported problems - usbtmc driver fix for syzbot found issues - musb patch partial revert to resolve a reported regression. All of these have been in linux-next this week with no reported problems" * tag 'usb-5.17-final' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: usb: gadget: Fix use-after-free bug by not setting udc->dev.driver usb: usbtmc: Fix bug in pipe direction for control transfers partially Revert "usb: musb: Set the DT node on the child device" usb: gadget: rndis: prevent integer overflow in rndis_set_response() | 19 March 2022, 17:16:33 UTC |
7bd1da1 | Ian Rogers | 17 March 2022, 22:43:09 UTC | perf parse-events: Ignore case in topdown.slots check An issue with icelakex metrics: https://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git/tree/tools/perf/pmu-events/arch/x86/icelakex/icx-metrics.json?h=perf/core&id=65eab2bc7dab326ee892ec5a4c749470b368b51a#n48 That causes the slots not to be first. Fixes: 94dbfd6781a0e87b ("perf parse-events: Architecture specific leader override") Reported-by: Caleb Biggers <caleb.biggers@intel.com> Signed-off-by: Ian Rogers <irogers@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexandre Torgue <alexandre.torgue@foss.st.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Clark <james.clark@arm.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Garry <john.garry@huawei.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Zhengjun Xing <zhengjun.xing@linux.intel.com> Link: https://lore.kernel.org/r/20220317224309.543736-1-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> | 18 March 2022, 21:39:09 UTC |
8b464ea | Ian Rogers | 17 March 2022, 23:16:43 UTC | perf evlist: Avoid iteration for empty evlist. As seen with 'perf stat --null ..' and reported in: https://lore.kernel.org/lkml/YjCLcpcX2peeQVCH@kernel.org/ v2. Avoids setting evsel in the empty list case as suggested by Jiri Olsa. Committer testing: Before: $ perf stat --null sleep 1 Segmentation fault (core dumped) $ After: $ perf stat --null sleep 1 Performance counter stats for 'sleep 1': 1.010340646 seconds time elapsed 0.001420000 seconds user 0.000000000 seconds sys $ Fixes: 472832d2c000b961 ("perf evlist: Refactor evlist__for_each_cpu()") Reported-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ian Rogers <irogers@google.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/r/20220317231643.550902-1-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> | 18 March 2022, 21:39:09 UTC |
3cf6a32 | Michael Petlan | 17 March 2022, 13:55:36 UTC | perf symbols: Fix symbol size calculation condition Before this patch, the symbol end address fixup to be called, needed two conditions being met: if (prev->end == prev->start && prev->end != curr->start) Where "prev->end == prev->start" means that prev is zero-long (and thus needs a fixup) and "prev->end != curr->start" means that fixup hasn't been applied yet However, this logic is incorrect in the following situation: *curr = {rb_node = {__rb_parent_color = 278218928, rb_right = 0x0, rb_left = 0x0}, start = 0xc000000000062354, end = 0xc000000000062354, namelen = 40, type = 2 '\002', binding = 0 '\000', idle = 0 '\000', ignore = 0 '\000', inlined = 0 '\000', arch_sym = 0 '\000', annotate2 = false, name = 0x1159739e "kprobe_optinsn_page\t[__builtin__kprobes]"} *prev = {rb_node = {__rb_parent_color = 278219041, rb_right = 0x109548b0, rb_left = 0x109547c0}, start = 0xc000000000062354, end = 0xc000000000062354, namelen = 12, type = 2 '\002', binding = 1 '\001', idle = 0 '\000', ignore = 0 '\000', inlined = 0 '\000', arch_sym = 0 '\000', annotate2 = false, name = 0x1095486e "optinsn_slot"} In this case, prev->start == prev->end == curr->start == curr->end, thus the condition above thinks that "we need a fixup due to zero length of prev symbol, but it has been probably done, since the prev->end == curr->start", which is wrong. After the patch, the execution path proceeds to arch__symbols__fixup_end function which fixes up the size of prev symbol by adding page_size to its end offset. Fixes: 3b01a413c196c910 ("perf symbols: Improve kallsyms symbol end addr calculation") Signed-off-by: Michael Petlan <mpetlan@redhat.com> Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: Madhavan Srinivasan <maddy@linux.ibm.com> Link: http://lore.kernel.org/lkml/20220317135536.805-1-mpetlan@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> | 18 March 2022, 21:39:09 UTC |
34e047a | Linus Torvalds | 18 March 2022, 19:32:59 UTC | Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Catalin Marinas: "Fix two compiler warnings introduced by recent commits: pointer arithmetic and double initialisation of struct field" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: errata: avoid duplicate field initializer arm64: fix clang warning about TRAMP_VALIAS | 18 March 2022, 19:32:59 UTC |
6e40698 | Linus Torvalds | 18 March 2022, 19:22:15 UTC | Merge tag '5.17-rc8-smb3-fix' of git://git.samba.org/sfrench/cifs-2.6 Pull cifs fix from Steve French: "Small fix for regression in multiuser mounts. The additional improvements suggested by Ronnie to make the server and session status handling code easier to read can wait for the 5.18 merge window." * tag '5.17-rc8-smb3-fix' of git://git.samba.org/sfrench/cifs-2.6: smb3: fix incorrect session setup check for multiuser mounts | 18 March 2022, 19:22:15 UTC |
6c4bcd8 | Linus Torvalds | 18 March 2022, 19:15:56 UTC | Merge tag 'block-5.17-2022-03-18' of git://git.kernel.dk/linux-block Pull block fixes from Jens Axboe: - Revert of a nvme target feature (Hannes) - Fix a memory leak with rq-qos (Ming) * tag 'block-5.17-2022-03-18' of git://git.kernel.dk/linux-block: nvmet: revert "nvmet: make discovery NQN configurable" block: release rq qos structures for queue without disk | 18 March 2022, 19:15:56 UTC |
cced514 | Linus Torvalds | 18 March 2022, 19:01:19 UTC | Merge tag 'drm-fixes-2022-03-18' of git://anongit.freedesktop.org/drm/drm Pull drm fixes from Dave Airlie: "A few minor changes to finish things off, one mgag200 regression, imx fix and couple of panel changes. imx: - Don't test bus flags in atomic check mgag200: - Fix PLL setup on some models panel: - Fix bpp settings on Innolux G070Y2-L01 - Fix DRM_PANEL_EDP Kconfig dependencies" * tag 'drm-fixes-2022-03-18' of git://anongit.freedesktop.org/drm/drm: drm: Don't make DRM_PANEL_BRIDGE dependent on DRM_KMS_HELPERS drm/panel: simple: Fix Innolux G070Y2-L01 BPP settings drm/imx: parallel-display: Remove bus flags check in imx_pd_bridge_atomic_check() drm/mgag200: Fix PLL setup for g200wb and g200ew | 18 March 2022, 19:01:19 UTC |
316e46f | Arnd Bergmann | 16 March 2022, 18:37:45 UTC | arm64: errata: avoid duplicate field initializer The '.type' field is initialized both in place and in the macro as reported by this W=1 warning: arch/arm64/include/asm/cpufeature.h:281:9: error: initialized field overwritten [-Werror=override-init] 281 | (ARM64_CPUCAP_SCOPE_LOCAL_CPU | ARM64_CPUCAP_OPTIONAL_FOR_LATE_CPU) | ^ arch/arm64/kernel/cpu_errata.c:136:17: note: in expansion of macro 'ARM64_CPUCAP_LOCAL_CPU_ERRATUM' 136 | .type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM, \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/kernel/cpu_errata.c:145:9: note: in expansion of macro 'ERRATA_MIDR_RANGE' 145 | ERRATA_MIDR_RANGE(m, var, r_min, var, r_max) | ^~~~~~~~~~~~~~~~~ arch/arm64/kernel/cpu_errata.c:613:17: note: in expansion of macro 'ERRATA_MIDR_REV_RANGE' 613 | ERRATA_MIDR_REV_RANGE(MIDR_CORTEX_A510, 0, 0, 2), | ^~~~~~~~~~~~~~~~~~~~~ arch/arm64/include/asm/cpufeature.h:281:9: note: (near initialization for 'arm64_errata[18].type') 281 | (ARM64_CPUCAP_SCOPE_LOCAL_CPU | ARM64_CPUCAP_OPTIONAL_FOR_LATE_CPU) | ^ Remove the extranous initializer. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: 1dd498e5e26a ("KVM: arm64: Workaround Cortex-A510's single-step and PAC trap errata") Link: https://lore.kernel.org/r/20220316183800.1546731-1-arnd@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> | 18 March 2022, 14:09:18 UTC |
7f34b43 | Arnd Bergmann | 16 March 2022, 18:38:18 UTC | arm64: fix clang warning about TRAMP_VALIAS The newly introduced TRAMP_VALIAS definition causes a build warning with clang-14: arch/arm64/include/asm/vectors.h:66:31: error: arithmetic on a null pointer treated as a cast from integer to pointer is a GNU extension [-Werror,-Wnull-pointer-arithmetic] return (char *)TRAMP_VALIAS + SZ_2K * slot; Change the addition to something clang does not complain about. Fixes: bd09128d16fa ("arm64: Add percpu vectors for EL1") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: James Morse <james.morse@arm.com> Link: https://lore.kernel.org/r/20220316183833.1563139-1-arnd@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> | 18 March 2022, 13:48:28 UTC |
ca5a576 | Dave Airlie | 18 March 2022, 03:30:30 UTC | Merge tag 'drm-misc-fixes-2022-03-17' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes * drm/imx: Don't test bus flags in atomic check * drm/mgag200: Fix PLL setup on some models * drm/panel: Fix bpp settings on Innolux G070Y2-L01; Fix DRM_PANEL_EDP Kconfig dependencies Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/YjMNcqOuDFDoe+EN@linux-uq9g | 18 March 2022, 03:32:54 UTC |
551acdc | Linus Torvalds | 17 March 2022, 19:55:26 UTC | Merge tag 'net-5.17-final' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Jakub Kicinski: "Including fixes from netfilter, ipsec, and wireless. A few last minute revert / disable and fix patches came down from our sub-trees. We're not waiting for any fixes at this point. Current release - regressions: - Revert "netfilter: nat: force port remap to prevent shadowing well-known ports", restore working conntrack on asymmetric paths - Revert "ath10k: drop beacon and probe response which leak from other channel", restore working AP and mesh mode on QCA9984 - eth: intel: fix hang during reboot/shutdown Current release - new code bugs: - netfilter: nf_tables: disable register tracking, it needs more work to cover all corner cases Previous releases - regressions: - ipv6: fix skb_over_panic in __ip6_append_data when (admin-only) extension headers get specified - esp6: fix ESP over TCP/UDP, interpret ipv6_skip_exthdr's return value more selectively - bnx2x: fix driver load failure when FW not present in initrd Previous releases - always broken: - vsock: stop destroying unrelated sockets in nested virtualization - packet: fix slab-out-of-bounds access in packet_recvmsg() Misc: - add Paolo Abeni to networking maintainers!" * tag 'net-5.17-final' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (26 commits) iavf: Fix hang during reboot/shutdown net: mscc: ocelot: fix backwards compatibility with single-chain tc-flower offload net: bcmgenet: skip invalid partial checksums bnx2x: fix built-in kernel driver load failure net: phy: mscc: Add MODULE_FIRMWARE macros net: dsa: Add missing of_node_put() in dsa_port_parse_of net: handle ARPHRD_PIMREG in dev_is_mac_header_xmit() Revert "ath10k: drop beacon and probe response which leak from other channel" hv_netvsc: Add check for kvmalloc_array iavf: Fix double free in iavf_reset_task ice: destroy flow director filter mutex after releasing VSIs ice: fix NULL pointer dereference in ice_update_vsi_tx_ring_stats() Add Paolo Abeni to networking maintainers atm: eni: Add check for dma_map_single net/packet: fix slab-out-of-bounds access in packet_recvmsg() net: mdio: mscc-miim: fix duplicate debugfs entry net: phy: marvell: Fix invalid comparison in the resume and suspend functions esp6: fix check on ipv6_skip_exthdr's return value net: dsa: microchip: add spi_device_id tables netfilter: nf_tables: disable register tracking ... | 17 March 2022, 19:55:26 UTC |
c81801e | Linus Torvalds | 17 March 2022, 19:40:59 UTC | Merge tag 'acpi-5.17-rc9' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI fix from Rafael Wysocki: "Revert recent commit that caused multiple systems to misbehave due to firmware issues" * tag 'acpi-5.17-rc9' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: Revert "ACPI: scan: Do not add device IDs from _CID if _HID is not valid" | 17 March 2022, 19:40:59 UTC |
2ab99e5 | Linus Torvalds | 17 March 2022, 19:36:47 UTC | Merge branch 'akpm' (patches from Andrew) Merge misc fixes from Andrew Morton: "Four patches. Subsystems affected by this patch series: mm/swap, kconfig, ocfs2, and selftests" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: selftests: vm: fix clang build error multiple output files ocfs2: fix crash when initialize filecheck kobj fails configs/debug: restore DEBUG_INFO=y for overriding mm: swap: get rid of livelock in swapin readahead | 17 March 2022, 19:36:47 UTC |
1c4debc | Yosry Ahmed | 16 March 2022, 23:15:12 UTC | selftests: vm: fix clang build error multiple output files When building the vm selftests using clang, some errors are seen due to having headers in the compilation command: clang -Wall -I ../../../../usr/include -no-pie gup_test.c ../../../../mm/gup_test.h -lrt -lpthread -o .../tools/testing/selftests/vm/gup_test clang: error: cannot specify -o when generating multiple output files make[1]: *** [../lib.mk:146: .../tools/testing/selftests/vm/gup_test] Error 1 Rework to add the header files to LOCAL_HDRS before including ../lib.mk, since the dependency is evaluated in '$(OUTPUT)/%:%.c $(LOCAL_HDRS)' in file lib.mk. Link: https://lkml.kernel.org/r/20220304000645.1888133-1-yosryahmed@google.com Signed-off-by: Yosry Ahmed <yosryahmed@google.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 17 March 2022, 18:02:13 UTC |
7b0b133 | Joseph Qi | 16 March 2022, 23:15:09 UTC | ocfs2: fix crash when initialize filecheck kobj fails Once s_root is set, genric_shutdown_super() will be called if fill_super() fails. That means, we will call ocfs2_dismount_volume() twice in such case, which can lead to kernel crash. Fix this issue by initializing filecheck kobj before setting s_root. Link: https://lkml.kernel.org/r/20220310081930.86305-1-joseph.qi@linux.alibaba.com Fixes: 5f483c4abb50 ("ocfs2: add kobject for online file check") Signed-off-by: Joseph Qi <joseph.qi@linux.alibaba.com> Cc: Mark Fasheh <mark@fasheh.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Junxiao Bi <junxiao.bi@oracle.com> Cc: Changwei Ge <gechangwei@live.cn> Cc: Gang He <ghe@suse.com> Cc: Jun Piao <piaojun@huawei.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 17 March 2022, 18:02:13 UTC |
8208257 | Qian Cai | 16 March 2022, 23:15:06 UTC | configs/debug: restore DEBUG_INFO=y for overriding Previously, I failed to realize that Kees' patch [1] has not been merged into the mainline yet, and dropped DEBUG_INFO=y too eagerly from the mainline. As the results, "make debug.config" won't be able to flip DEBUG_INFO=n from the existing .config. This should close the gaps of a few weeks before Kees' patch is there, and work regardless of their merging status anyway. Link: https://lore.kernel.org/all/20220125075126.891825-1-keescook@chromium.org/ [1] Link: https://lkml.kernel.org/r/20220308153524.8618-1-quic_qiancai@quicinc.com Signed-off-by: Qian Cai <quic_qiancai@quicinc.com> Reported-by: Daniel Thompson <daniel.thompson@linaro.org> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Cc: Kees Cook <keescook@chromium.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 17 March 2022, 18:02:13 UTC |
029c462 | Guo Ziliang | 16 March 2022, 23:15:03 UTC | mm: swap: get rid of livelock in swapin readahead In our testing, a livelock task was found. Through sysrq printing, same stack was found every time, as follows: __swap_duplicate+0x58/0x1a0 swapcache_prepare+0x24/0x30 __read_swap_cache_async+0xac/0x220 read_swap_cache_async+0x58/0xa0 swapin_readahead+0x24c/0x628 do_swap_page+0x374/0x8a0 __handle_mm_fault+0x598/0xd60 handle_mm_fault+0x114/0x200 do_page_fault+0x148/0x4d0 do_translation_fault+0xb0/0xd4 do_mem_abort+0x50/0xb0 The reason for the livelock is that swapcache_prepare() always returns EEXIST, indicating that SWAP_HAS_CACHE has not been cleared, so that it cannot jump out of the loop. We suspect that the task that clears the SWAP_HAS_CACHE flag never gets a chance to run. We try to lower the priority of the task stuck in a livelock so that the task that clears the SWAP_HAS_CACHE flag will run. The results show that the system returns to normal after the priority is lowered. In our testing, multiple real-time tasks are bound to the same core, and the task in the livelock is the highest priority task of the core, so the livelocked task cannot be preempted. Although cond_resched() is used by __read_swap_cache_async, it is an empty function in the preemptive system and cannot achieve the purpose of releasing the CPU. A high-priority task cannot release the CPU unless preempted by a higher-priority task. But when this task is already the highest priority task on this core, other tasks will not be able to be scheduled. So we think we should replace cond_resched() with schedule_timeout_uninterruptible(1), schedule_timeout_interruptible will call set_current_state first to set the task state, so the task will be removed from the running queue, so as to achieve the purpose of giving up the CPU and prevent it from running in kernel mode for too long. (akpm: ugly hack becomes uglier. But it fixes the issue in a backportable-to-stable fashion while we hopefully work on something better) Link: https://lkml.kernel.org/r/20220221111749.1928222-1-cgel.zte@gmail.com Signed-off-by: Guo Ziliang <guo.ziliang@zte.com.cn> Reported-by: Zeal Robot <zealci@zte.com.cn> Reviewed-by: Ran Xiaokai <ran.xiaokai@zte.com.cn> Reviewed-by: Jiang Xuexin <jiang.xuexin@zte.com.cn> Reviewed-by: Yang Yang <yang.yang29@zte.com.cn> Acked-by: Hugh Dickins <hughd@google.com> Cc: Naoya Horiguchi <naoya.horiguchi@nec.com> Cc: Michal Hocko <mhocko@kernel.org> Cc: Minchan Kim <minchan@kernel.org> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Roger Quadros <rogerq@kernel.org> Cc: Ziliang Guo <guo.ziliang@zte.com.cn> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 17 March 2022, 18:02:13 UTC |
b04683f | Ivan Vecera | 17 March 2022, 10:45:24 UTC | iavf: Fix hang during reboot/shutdown Recent commit 974578017fc1 ("iavf: Add waiting so the port is initialized in remove") adds a wait-loop at the beginning of iavf_remove() to ensure that port initialization is finished prior unregistering net device. This causes a regression in reboot/shutdown scenario because in this case callback iavf_shutdown() is called and this callback detaches the device, makes it down if it is running and sets its state to __IAVF_REMOVE. Later shutdown callback of associated PF driver (e.g. ice_shutdown) is called. That callback calls among other things sriov_disable() that calls indirectly iavf_remove() (see stack trace below). As the adapter state is already __IAVF_REMOVE then the mentioned loop is end-less and shutdown process hangs. The patch fixes this by checking adapter's state at the beginning of iavf_remove() and skips the rest of the function if the adapter is already in remove state (shutdown is in progress). Reproducer: 1. Create VF on PF driven by ice or i40e driver 2. Ensure that the VF is bound to iavf driver 3. Reboot [52625.981294] sysrq: SysRq : Show Blocked State [52625.988377] task:reboot state:D stack: 0 pid:17359 ppid: 1 f2 [52625.996732] Call Trace: [52625.999187] __schedule+0x2d1/0x830 [52626.007400] schedule+0x35/0xa0 [52626.010545] schedule_hrtimeout_range_clock+0x83/0x100 [52626.020046] usleep_range+0x5b/0x80 [52626.023540] iavf_remove+0x63/0x5b0 [iavf] [52626.027645] pci_device_remove+0x3b/0xc0 [52626.031572] device_release_driver_internal+0x103/0x1f0 [52626.036805] pci_stop_bus_device+0x72/0xa0 [52626.040904] pci_stop_and_remove_bus_device+0xe/0x20 [52626.045870] pci_iov_remove_virtfn+0xba/0x120 [52626.050232] sriov_disable+0x2f/0xe0 [52626.053813] ice_free_vfs+0x7c/0x340 [ice] [52626.057946] ice_remove+0x220/0x240 [ice] [52626.061967] ice_shutdown+0x16/0x50 [ice] [52626.065987] pci_device_shutdown+0x34/0x60 [52626.070086] device_shutdown+0x165/0x1c5 [52626.074011] kernel_restart+0xe/0x30 [52626.077593] __do_sys_reboot+0x1d2/0x210 [52626.093815] do_syscall_64+0x5b/0x1a0 [52626.097483] entry_SYSCALL_64_after_hwframe+0x65/0xca Fixes: 974578017fc1 ("iavf: Add waiting so the port is initialized in remove") Signed-off-by: Ivan Vecera <ivecera@redhat.com> Link: https://lore.kernel.org/r/20220317104524.2802848-1-ivecera@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 17 March 2022, 16:37:37 UTC |
8e0341a | Vladimir Oltean | 16 March 2022, 19:21:17 UTC | net: mscc: ocelot: fix backwards compatibility with single-chain tc-flower offload ACL rules can be offloaded to VCAP IS2 either through chain 0, or, since the blamed commit, through a chain index whose number encodes a specific PAG (Policy Action Group) and lookup number. The chain number is translated through ocelot_chain_to_pag() into a PAG, and through ocelot_chain_to_lookup() into a lookup number. The problem with the blamed commit is that the above 2 functions don't have special treatment for chain 0. So ocelot_chain_to_pag(0) returns filter->pag = 224, which is in fact -32, but the "pag" field is an u8. So we end up programming the hardware with VCAP IS2 entries having a PAG of 224. But the way in which the PAG works is that it defines a subset of VCAP IS2 filters which should match on a packet. The default PAG is 0, and previous VCAP IS1 rules (which we offload using 'goto') can modify it. So basically, we are installing filters with a PAG on which no packet will ever match. This is the hardware equivalent of adding filters to a chain which has no 'goto' to it. Restore the previous functionality by making ACL filters offloaded to chain 0 go to PAG 0 and lookup number 0. The choice of PAG is clearly correct, but the choice of lookup number isn't "as before" (which was to leave the lookup a "don't care"). However, lookup 0 should be fine, since even though there are ACL actions (policers) which have a requirement to be used in a specific lookup, that lookup is 0. Fixes: 226e9cd82a96 ("net: mscc: ocelot: only install TCAM entries into a specific lookup and PAG") Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Link: https://lore.kernel.org/r/20220316192117.2568261-1-vladimir.oltean@nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 17 March 2022, 16:34:52 UTC |
0f643c8 | Doug Berger | 17 March 2022, 01:28:12 UTC | net: bcmgenet: skip invalid partial checksums The RXCHK block will return a partial checksum of 0 if it encounters a problem while receiving a packet. Since a 1's complement sum can only produce this result if no bits are set in the received data stream it is fair to treat it as an invalid partial checksum and not pass it up the stack. Fixes: 810155397890 ("net: bcmgenet: use CHECKSUM_COMPLETE for NETIF_F_RXCSUM") Signed-off-by: Doug Berger <opendmb@gmail.com> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Link: https://lore.kernel.org/r/20220317012812.1313196-1-opendmb@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 17 March 2022, 16:34:24 UTC |
424e783 | Manish Chopra | 16 March 2022, 21:46:13 UTC | bnx2x: fix built-in kernel driver load failure Commit b7a49f73059f ("bnx2x: Utilize firmware 7.13.21.0") added request_firmware() logic in probe() which caused load failure when firmware file is not present in initrd (below), as access to firmware file is not feasible during probe. Direct firmware load for bnx2x/bnx2x-e2-7.13.15.0.fw failed with error -2 Direct firmware load for bnx2x/bnx2x-e2-7.13.21.0.fw failed with error -2 This patch fixes this issue by - 1. Removing request_firmware() logic from the probe() such that .ndo_open() handle it as it used to handle it earlier 2. Given request_firmware() is removed from probe(), so driver has to relax FW version comparisons a bit against the already loaded FW version (by some other PFs of same adapter) to allow different compatible/close enough FWs with which multiple PFs may run with (in different environments), as the given PF who is in probe flow has no idea now with which firmware file version it is going to initialize the device in ndo_open() Link: https://lore.kernel.org/all/46f2d9d9-ae7f-b332-ddeb-b59802be2bab@molgen.mpg.de/ Reported-by: Paul Menzel <pmenzel@molgen.mpg.de> Tested-by: Paul Menzel <pmenzel@molgen.mpg.de> Fixes: b7a49f73059f ("bnx2x: Utilize firmware 7.13.21.0") Signed-off-by: Manish Chopra <manishc@marvell.com> Signed-off-by: Ariel Elior <aelior@marvell.com> Link: https://lore.kernel.org/r/20220316214613.6884-1-manishc@marvell.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 17 March 2022, 16:30:04 UTC |
f1858c2 | Juerg Haefliger | 16 March 2022, 15:18:35 UTC | net: phy: mscc: Add MODULE_FIRMWARE macros The driver requires firmware so define MODULE_FIRMWARE so that modinfo provides the details. Fixes: fa164e40c53b ("net: phy: mscc: split the driver into separate files") Signed-off-by: Juerg Haefliger <juergh@canonical.com> Link: https://lore.kernel.org/r/20220316151835.88765-1-juergh@canonical.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 17 March 2022, 16:06:09 UTC |
cb0b430 | Miaoqian Lin | 16 March 2022, 08:26:02 UTC | net: dsa: Add missing of_node_put() in dsa_port_parse_of The device_node pointer is returned by of_parse_phandle() with refcount incremented. We should use of_node_put() on it when done. Fixes: 6d4e5c570c2d ("net: dsa: get port type at parse time") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Link: https://lore.kernel.org/r/20220316082602.10785-1-linmq006@gmail.com Signed-off-by: Paolo Abeni <pabeni@redhat.com> | 17 March 2022, 12:13:27 UTC |
3c33840 | Thomas Zimmermann | 15 March 2022, 08:45:59 UTC | drm: Don't make DRM_PANEL_BRIDGE dependent on DRM_KMS_HELPERS Fix a number of undefined references to drm_kms_helper.ko in drm_dp_helper.ko: arm-suse-linux-gnueabi-ld: drivers/gpu/drm/dp/drm_dp_mst_topology.o: in function `drm_dp_mst_duplicate_state': drm_dp_mst_topology.c:(.text+0x2df0): undefined reference to `__drm_atomic_helper_private_obj_duplicate_state' arm-suse-linux-gnueabi-ld: drivers/gpu/drm/dp/drm_dp_mst_topology.o: in function `drm_dp_delayed_destroy_work': drm_dp_mst_topology.c:(.text+0x370c): undefined reference to `drm_kms_helper_hotplug_event' arm-suse-linux-gnueabi-ld: drivers/gpu/drm/dp/drm_dp_mst_topology.o: in function `drm_dp_mst_up_req_work': drm_dp_mst_topology.c:(.text+0x7938): undefined reference to `drm_kms_helper_hotplug_event' arm-suse-linux-gnueabi-ld: drivers/gpu/drm/dp/drm_dp_mst_topology.o: in function `drm_dp_mst_link_probe_work': drm_dp_mst_topology.c:(.text+0x82e0): undefined reference to `drm_kms_helper_hotplug_event' This happens if panel-edp.ko has been configured with DRM_PANEL_EDP=y DRM_DP_HELPER=y DRM_KMS_HELPER=m which builds DP helpers into the kernel and KMS helpers sa a module. Making DRM_PANEL_EDP select DRM_KMS_HELPER resolves this problem. To avoid a resulting cyclic dependency with DRM_PANEL_BRIDGE, don't make the latter depend on DRM_KMS_HELPER and fix the one DRM bridge drivers that doesn't already select DRM_KMS_HELPER. As KMS helpers cannot be selected directly by the user, config symbols should avoid depending on it anyway. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Fixes: 3755d35ee1d2 ("drm/panel: Select DRM_DP_HELPER for DRM_PANEL_EDP") Acked-by: Sam Ravnborg <sam@ravnborg.org> Tested-by: Brian Masney <bmasney@redhat.com> Reported-by: kernel test robot <lkp@intel.com> Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: Naresh Kamboju <naresh.kamboju@linaro.org> Cc: Linux Kernel Functional Testing <lkft@linaro.org> Cc: Lyude Paul <lyude@redhat.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Maxime Ripard <mripard@kernel.org> Cc: dri-devel@lists.freedesktop.org Cc: Dave Airlie <airlied@redhat.com> Cc: Thierry Reding <thierry.reding@gmail.com> Link: https://patchwork.freedesktop.org/patch/478296/ | 17 March 2022, 10:07:57 UTC |
a825368 | Thomas Zimmermann | 17 March 2022, 10:03:28 UTC | Merge drm/drm-fixes into drm-misc-fixes Backmerging drm/drm-fixes for commit 3755d35ee1d2 ("drm/panel: Select DRM_DP_HELPER for DRM_PANEL_EDP"). Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> | 17 March 2022, 10:03:28 UTC |
e3ee9fb | Steve French | 17 March 2022, 03:08:43 UTC | smb3: fix incorrect session setup check for multiuser mounts A recent change to how the SMB3 server (socket) and session status is managed regressed multiuser mounts by changing the check for whether session setup is needed to the socket (TCP_Server_info) structure instead of the session struct (cifs_ses). Add additional check in cifs_setup_sesion to fix this. Fixes: 73f9bfbe3d81 ("cifs: maintain a state machine for tcp/smb/tcon sessions") Reported-by: Ronnie Sahlberg <lsahlber@redhat.com> Acked-by: Ronnie Sahlberg <lsahlber@redhat.com> Reviewed-by: Shyam Prasad N <sprasad@microsoft.com> Signed-off-by: Steve French <stfrench@microsoft.com> | 17 March 2022, 03:48:55 UTC |
4ee06de | Nicolas Dichtel | 15 March 2022, 09:20:08 UTC | net: handle ARPHRD_PIMREG in dev_is_mac_header_xmit() This kind of interface doesn't have a mac header. This patch fixes bpf_redirect() to a PIM interface. Fixes: 27b29f63058d ("bpf: add bpf_redirect() helper") Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Link: https://lore.kernel.org/r/20220315092008.31423-1-nicolas.dichtel@6wind.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 17 March 2022, 02:38:41 UTC |
a46310b | Linus Torvalds | 16 March 2022, 18:57:46 UTC | Merge tag 'efi-urgent-for-v5.17-3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi Pull EFI fix from Ard Biesheuvel: "Avoid spurious warnings about unknown boot parameters" * tag 'efi-urgent-for-v5.17-3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi: efi: fix return value of __setup handlers | 16 March 2022, 18:57:46 UTC |
d34c582 | Linus Torvalds | 16 March 2022, 18:50:35 UTC | Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto fix from Herbert Xu: "This fixes a bug where qcom-rng can return a buffer that is not completely filled with random data" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: qcom-rng - ensure buffer for generate is completely filled | 16 March 2022, 18:50:35 UTC |
1447c63 | Vladimir Oltean | 14 December 2021, 13:58:52 UTC | Revert "arm64: dts: freescale: Fix 'interrupt-map' parent address cells" This reverts commit 869f0ec048dc8fd88c0b2003373bd985795179fb. That updated the expected device tree binding format for the ls-extirq driver, without also updating the parsing code (ls_extirq_parse_map) to the new format. The context is that the ls-extirq driver uses the standard "interrupt-map" OF property in a non-standard way, as suggested by Rob Herring during review: https://lore.kernel.org/lkml/20190927161118.GA19333@bogus/ This has turned out to be problematic, as Marc Zyngier discovered through commit 041284181226 ("of/irq: Allow matching of an interrupt-map local to an interrupt controller"), later fixed through commit de4adddcbcc2 ("of/irq: Add a quirk for controllers with their own definition of interrupt-map"). Marc's position, expressed on multiple opportunities, is that: (a) [ making private use of the reserved "interrupt-map" name in a driver ] "is wrong, by the very letter of what an interrupt-map means. If the interrupt map points to an interrupt controller, that's the target for the interrupt." https://lore.kernel.org/lkml/87k0g8jlmg.wl-maz@kernel.org/ (b) [ updating the driver's bindings to accept a non-reserved name for this property, as an alternative, is ] "is totally pointless. These machines have been in the wild for years, and existing DTs will be there *forever*." https://lore.kernel.org/lkml/87ilvrk1r0.wl-maz@kernel.org/ Considering the above, the Linux kernel has quirks in place to deal with the ls-extirq's non-standard use of the "interrupt-map". These quirks may be needed in other operating systems that consume this device tree, yet this is seen as the only viable solution. Therefore, the premise of the patch being reverted here is invalid. It doesn't matter whether the driver, in its non-standard use of the property, complies to the standard format or not, since this property isn't expected to be used for interrupt translation by the core. This change restores LS1088A, LS2088A/LS2085A and LX2160A to their previous bindings, which allows these systems to continue to use external interrupt lines with the correct polarity. Fixes: 869f0ec048dc ("arm64: dts: freescale: Fix 'interrupt-map' parent address cells") Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Acked-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> | 16 March 2022, 18:41:14 UTC |
186abea | Jakub Kicinski | 16 March 2022, 18:39:36 UTC | Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec Steffen Klassert says: ==================== pull request (net): ipsec 2022-03-16 1) Fix a kernel-info-leak in pfkey. From Haimin Zhang. 2) Fix an incorrect check of the return value of ipv6_skip_exthdr. From Sabrina Dubroca. * 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec: esp6: fix check on ipv6_skip_exthdr's return value af_key: add __GFP_ZERO flag for compose_sadb_supported in function pfkey_register ==================== Link: https://lore.kernel.org/r/20220316121142.3142336-1-steffen.klassert@secunet.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 16 March 2022, 18:39:37 UTC |
1bbdcba | Jakub Kicinski | 16 March 2022, 18:08:09 UTC | Merge tag 'wireless-2022-03-16' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless Kalle Valo says: ==================== wireless fixes for v5.17 Third set of fixes for v5.17. We have only one revert to fix an ath10k regression. * tag 'wireless-2022-03-16' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless: Revert "ath10k: drop beacon and probe response which leak from other channel" ==================== Link: https://lore.kernel.org/r/20220316130249.B5225C340EC@smtp.kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 16 March 2022, 18:08:09 UTC |
fc1b6ef | Marek Vasut | 20 February 2022, 04:07:18 UTC | drm/panel: simple: Fix Innolux G070Y2-L01 BPP settings The Innolux G070Y2-L01 supports two modes of operation: 1) FRC=Low/NC ... MEDIA_BUS_FMT_RGB666_1X7X3_SPWG ... BPP=6 2) FRC=High ..... MEDIA_BUS_FMT_RGB888_1X7X4_SPWG ... BPP=8 Currently the panel description mixes both, BPP from 1) and bus format from 2), which triggers a warning at panel-simple.c:615. Pick the later, set bpp=8, fix the warning. Fixes: a5d2ade627dca ("drm/panel: simple: Add support for Innolux G070Y2-L01") Signed-off-by: Marek Vasut <marex@denx.de> Cc: Christoph Fritz <chf.fritz@googlemail.com> Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com> Cc: Maxime Ripard <maxime@cerno.tech> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220220040718.532866-1-marex@denx.de Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 16 March 2022, 15:35:05 UTC |
6061806 | Christoph Niedermaier | 01 February 2022, 11:36:43 UTC | drm/imx: parallel-display: Remove bus flags check in imx_pd_bridge_atomic_check() If display timings were read from the devicetree using of_get_display_timing() and pixelclk-active is defined there, the flag DISPLAY_FLAGS_SYNC_POSEDGE/NEGEDGE is automatically generated. Through the function drm_bus_flags_from_videomode() e.g. called in the panel-simple driver this flag got into the bus flags, but then in imx_pd_bridge_atomic_check() the bus flag check failed and will not initialize the display. The original commit fe141cedc433 does not explain why this check was introduced. So remove the bus flags check, because it stops the initialization of the display with valid bus flags. Fixes: fe141cedc433 ("drm/imx: pd: Use bus format/flags provided by the bridge when available") Signed-off-by: Christoph Niedermaier <cniedermaier@dh-electronics.com> Cc: Marek Vasut <marex@denx.de> Cc: Boris Brezillon <boris.brezillon@collabora.com> Cc: Philipp Zabel <p.zabel@pengutronix.de> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Shawn Guo <shawnguo@kernel.org> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Pengutronix Kernel Team <kernel@pengutronix.de> Cc: Fabio Estevam <festevam@gmail.com> Cc: NXP Linux Team <linux-imx@nxp.com> Cc: linux-arm-kernel@lists.infradead.org To: dri-devel@lists.freedesktop.org Tested-by: Max Krummenacher <max.krummenacher@toradex.com> Acked-by: Boris Brezillon <boris.brezillon@collabora.com> Signed-off-by: Marek Vasut <marex@denx.de> Link: https://patchwork.freedesktop.org/patch/msgid/20220201113643.4638-1-cniedermaier@dh-electronics.com Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 16 March 2022, 15:35:04 UTC |
f618958 | Jens Axboe | 16 March 2022, 11:43:25 UTC | Merge tag 'nvme-5.17-2022-03-16' of git://git.infradead.org/nvme into block-5.17 Pull NVMe fix from Christoph: "nvme fix for Linux 5.17 - last minute revert of a nvmet feature added in Linux 5.16 (Hannes Reinecke)" * tag 'nvme-5.17-2022-03-16' of git://git.infradead.org/nvme: nvmet: revert "nvmet: make discovery NQN configurable" | 16 March 2022, 11:43:25 UTC |
45b4eb7 | Kalle Valo | 15 March 2022, 15:54:55 UTC | Revert "ath10k: drop beacon and probe response which leak from other channel" This reverts commit 3bf2537ec2e33310b431b53fd84be8833736c256. I was reported privately that this commit breaks AP and mesh mode on QCA9984 (firmware 10.4-3.9.0.2-00156). So revert the commit to fix the regression. There was a conflict due to cfg80211 API changes but that was easy to fix. Fixes: 3bf2537ec2e3 ("ath10k: drop beacon and probe response which leak from other channel") Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com> Link: https://lore.kernel.org/r/20220315155455.20446-1-kvalo@kernel.org | 16 March 2022, 11:34:52 UTC |
462ccc3 | Rafael J. Wysocki | 16 March 2022, 10:23:05 UTC | Revert "ACPI: scan: Do not add device IDs from _CID if _HID is not valid" Revert commit e38f9ff63e6d ("ACPI: scan: Do not add device IDs from _CID if _HID is not valid"), because it has introduced regressions on multiple systems, even though it only has effect on clearly invalid firmware. Reported-by: Pierre-Louis Bossart <notifications@github.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 16 March 2022, 10:23:05 UTC |
dea2d93 | David S. Miller | 16 March 2022, 10:07:43 UTC | Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue ==================== Intel Wired LAN Driver Updates 2022-03-15 This series contains updates to ice and iavf drivers. Maciej adjusts null check logic on Tx ring to prevent possible NULL pointer dereference for ice. Sudheer moves destruction of Flow Director lock as it was being accessed after destruction for ice. Przemyslaw removes an excess mutex unlock as it was being double unlocked for iavf. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> | 16 March 2022, 10:07:43 UTC |
886e44c | Jiasheng Jiang | 14 March 2022, 02:01:25 UTC | hv_netvsc: Add check for kvmalloc_array As the potential failure of the kvmalloc_array(), it should be better to check and restore the 'data' if fails in order to avoid the dereference of the NULL pointer. Fixes: 6ae746711263 ("hv_netvsc: Add per-cpu ethtool stats for netvsc") Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> Link: https://lore.kernel.org/r/20220314020125.2365084-1-jiasheng@iscas.ac.cn Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 16 March 2022, 04:57:53 UTC |
16b2dd8 | Przemyslaw Patynowski | 09 March 2022, 15:37:39 UTC | iavf: Fix double free in iavf_reset_task Fix double free possibility in iavf_disable_vf, as crit_lock is freed in caller, iavf_reset_task. Add kernel-doc for iavf_disable_vf. Remove mutex_unlock in iavf_disable_vf. Without this patch there is double free scenario, when calling iavf_reset_task. Fixes: e85ff9c631e1 ("iavf: Fix deadlock in iavf_reset_task") Signed-off-by: Przemyslaw Patynowski <przemyslawx.patynowski@intel.com> Suggested-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Mateusz Palczewski <mateusz.palczewski@intel.com> Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> | 15 March 2022, 20:36:13 UTC |
1b4ae7d | Sudheer Mogilappagari | 10 March 2022, 18:46:52 UTC | ice: destroy flow director filter mutex after releasing VSIs Currently fdir_fltr_lock is accessed in ice_vsi_release_all() function after it is destroyed. Instead destroy mutex after ice_vsi_release_all. Fixes: 40319796b732 ("ice: Add flow director support for channel mode") Signed-off-by: Sudheer Mogilappagari <sudheer.mogilappagari@intel.com> Tested-by: Bharathi Sreenivas <bharathi.sreenivas@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> | 15 March 2022, 20:36:13 UTC |
f153546 | Maciej Fijalkowski | 07 March 2022, 17:47:39 UTC | ice: fix NULL pointer dereference in ice_update_vsi_tx_ring_stats() It is possible to do NULL pointer dereference in routine that updates Tx ring stats. Currently only stats and bytes are updated when ring pointer is valid, but later on ring is accessed to propagate gathered Tx stats onto VSI stats. Change the existing logic to move to next ring when ring is NULL. Fixes: e72bba21355d ("ice: split ice_ring onto Tx/Rx separate structs") Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com> Acked-by: Alexander Lobakin <alexandr.lobakin@intel.com> Tested-by: Gurucharan G <gurucharanx.g@intel.com> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> | 15 March 2022, 20:36:13 UTC |
e9c14b5 | Jakub Kicinski | 14 March 2022, 22:28:19 UTC | Add Paolo Abeni to networking maintainers Growing the network maintainers team from 2 to 3. Signed-off-by: David S. Miller <davem@davemloft.net> Link: https://lore.kernel.org/r/20220314222819.958428-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 15 March 2022, 19:16:10 UTC |
01b44ef | Uwe Kleine-König | 11 March 2022, 00:18:09 UTC | counter: Stop using dev_get_drvdata() to get the counter device dev_get_drvdata() returns NULL since commit b56346ddbd82 ("counter: Use container_of instead of drvdata to track counter_device") which wrongly claimed there were no users of drvdata. Convert to container_of() to fix a null pointer dereference. Reported-by: Oleksij Rempel <o.rempel@pengutronix.de> Fixes: b56346ddbd82 ("counter: Use container_of instead of drvdata to track counter_device") Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Tested-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Link: https://lore.kernel.org/all/20220204082556.370348-1-u.kleine-koenig@pengutronix.de/ Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Link: https://lore.kernel.org/r/4a14311a3b935b62b33e665a97ecaaf2f078228a.1646957732.git.vilhelm.gray@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 15 March 2022, 18:24:13 UTC |
733ab7e | David Jeffery | 11 March 2022, 18:43:59 UTC | scsi: fnic: Finish scsi_cmnd before dropping the spinlock When aborting a SCSI command through fnic, there is a race with the fnic interrupt handler which can result in the SCSI command and its request being completed twice. If the interrupt handler claims the command by setting CMD_SP to NULL first, the abort handler assumes the interrupt handler has completed the command and returns SUCCESS, causing the request for the scsi_cmnd to be re-queued. But the interrupt handler may not have finished the command yet. After it drops the spinlock protecting CMD_SP, it does memory cleanup before finally calling scsi_done() to complete the scsi_cmnd. If the call to scsi_done occurs after the abort handler finishes and re-queues the request, the completion of the scsi_cmnd will advance and try to double complete a request already queued for retry. This patch fixes the issue by moving scsi_done() and any other use of scsi_cmnd to before the spinlock is released by the interrupt handler. Link: https://lore.kernel.org/r/20220311184359.2345319-1-djeffery@redhat.com Reviewed-by: Laurence Oberman <loberman@redhat.com> Reviewed-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: David Jeffery <djeffery@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> | 15 March 2022, 18:01:28 UTC |
16b1941 | Alan Stern | 06 March 2022, 02:47:22 UTC | usb: gadget: Fix use-after-free bug by not setting udc->dev.driver The syzbot fuzzer found a use-after-free bug: BUG: KASAN: use-after-free in dev_uevent+0x712/0x780 drivers/base/core.c:2320 Read of size 8 at addr ffff88802b934098 by task udevd/3689 CPU: 2 PID: 3689 Comm: udevd Not tainted 5.17.0-rc4-syzkaller-00229-g4f12b742eb2b #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 print_address_description.constprop.0.cold+0x8d/0x303 mm/kasan/report.c:255 __kasan_report mm/kasan/report.c:442 [inline] kasan_report.cold+0x83/0xdf mm/kasan/report.c:459 dev_uevent+0x712/0x780 drivers/base/core.c:2320 uevent_show+0x1b8/0x380 drivers/base/core.c:2391 dev_attr_show+0x4b/0x90 drivers/base/core.c:2094 Although the bug manifested in the driver core, the real cause was a race with the gadget core. dev_uevent() does: if (dev->driver) add_uevent_var(env, "DRIVER=%s", dev->driver->name); and between the test and the dereference of dev->driver, the gadget core sets dev->driver to NULL. The race wouldn't occur if the gadget core registered its devices on a real bus, using the standard synchronization techniques of the driver core. However, it's not necessary to make such a large change in order to fix this bug; all we need to do is make sure that udc->dev.driver is always NULL. In fact, there is no reason for udc->dev.driver ever to be set to anything, let alone to the value it currently gets: the address of the gadget's driver. After all, a gadget driver only knows how to manage a gadget, not how to manage a UDC. This patch simply removes the statements in the gadget core that touch udc->dev.driver. Fixes: 2ccea03a8f7e ("usb: gadget: introduce UDC Class") CC: <stable@vger.kernel.org> Reported-and-tested-by: syzbot+348b571beb5eeb70a582@syzkaller.appspotmail.com Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Link: https://lore.kernel.org/r/YiQgukfFFbBnwJ/9@rowland.harvard.edu Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 15 March 2022, 17:46:01 UTC |
e9b667a | Alan Stern | 03 March 2022, 21:00:17 UTC | usb: usbtmc: Fix bug in pipe direction for control transfers The syzbot fuzzer reported a minor bug in the usbtmc driver: usb 5-1: BOGUS control dir, pipe 80001e80 doesn't match bRequestType 0 WARNING: CPU: 0 PID: 3813 at drivers/usb/core/urb.c:412 usb_submit_urb+0x13a5/0x1970 drivers/usb/core/urb.c:410 Modules linked in: CPU: 0 PID: 3813 Comm: syz-executor122 Not tainted 5.17.0-rc5-syzkaller-00306-g2293be58d6a1 #0 ... Call Trace: <TASK> usb_start_wait_urb+0x113/0x530 drivers/usb/core/message.c:58 usb_internal_control_msg drivers/usb/core/message.c:102 [inline] usb_control_msg+0x2a5/0x4b0 drivers/usb/core/message.c:153 usbtmc_ioctl_request drivers/usb/class/usbtmc.c:1947 [inline] The problem is that usbtmc_ioctl_request() uses usb_rcvctrlpipe() for all of its transfers, whether they are in or out. It's easy to fix. CC: <stable@vger.kernel.org> Reported-and-tested-by: syzbot+a48e3d1a875240cab5de@syzkaller.appspotmail.com Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Link: https://lore.kernel.org/r/YiEsYTPEE6lOCOA5@rowland.harvard.edu Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 15 March 2022, 17:45:31 UTC |
56e337f | Bartosz Golaszewski | 15 March 2022, 16:52:05 UTC | Revert "gpio: Revert regression in sysfs-gpio (gpiolib.c)" This reverts commit fc328a7d1fcce263db0b046917a66f3aa6e68719. This commit - while attempting to fix a regression - has caused a number of other problems. As the fallout from it is more significant than the initial problem itself, revert it for now before we find a correct solution. Link: https://lore.kernel.org/all/20220314192522.GA3031157@roeck-us.net/ Link: https://lore.kernel.org/stable/20220314155509.552218-1-michael@walle.cc/ Link: https://lore.kernel.org/all/20211217153555.9413-1-marcelo.jimenez@gmail.com/ Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl> Reported-and-bisected-by: Guenter Roeck <linux@roeck-us.net> Reported-by: Michael Walle <michael@walle.cc> Cc: Thorsten Leemhuis <linux@leemhuis.info> Cc: Marcelo Roberto Jimenez <marcelo.jimenez@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 15 March 2022, 16:59:08 UTC |
2390710 | H. Nikolaus Schaller | 08 March 2022, 12:56:06 UTC | partially Revert "usb: musb: Set the DT node on the child device" This reverts the omap2430 changes of commit cf081d009c44 ("usb: musb: Set the DT node on the child device") Since v5.17-rc1, musb is broken on the gta04 and openpandora devices (omap3530/dm3730). BeagleBone Black (am335x) seems to work. Symptoms of this bug are a) main symptom [ 21.336517] using random host ethernet address [ 21.341430] using host ethernet address: 32:70:05:18:ff:78 [ 21.341461] using self ethernet address: 46:10:3a:b3:af:d9 [ 21.358184] usb0: HOST MAC 32:70:05:18:ff:78 [ 21.376678] usb0: MAC 46:10:3a:b3:af:d9 [ 21.388305] using random self ethernet address [ 21.393371] using random host ethernet address [ 21.398162] g_ether gadget: Ethernet Gadget, version: Memorial Day 2008 [ 21.421081] g_ether gadget: g_ether ready [ 21.492156] musb-hdrc musb-hdrc.1.auto: Could not enable: -22 [ 21.691345] musb-hdrc musb-hdrc.1.auto: Could not enable: -22 [ 21.803192] musb-hdrc musb-hdrc.1.auto: Could not enable: -22 [ 21.819427] musb-hdrc musb-hdrc.1.auto: Could not enable: -22 [ 22.124450] musb-hdrc musb-hdrc.1.auto: Could not enable: -22 [ 22.168518] musb-hdrc musb-hdrc.1.auto: Could not enable: -22 [ 22.179382] musb-hdrc musb-hdrc.1.auto: Could not enable: -22 [ 23.213592] musb-hdrc musb-hdrc.1.auto: pm runtime get failed in musb_gadget_queue [ 23.221832] musb-hdrc musb-hdrc.1.auto: Could not enable: -22 [ 23.227905] musb-hdrc musb-hdrc.1.auto: Could not enable: -22 [ 23.239440] musb-hdrc musb-hdrc.1.auto: Could not enable: -22 [ 23.401000] musb-hdrc musb-hdrc.1.auto: Could not enable: -22 [ 23.407073] musb-hdrc musb-hdrc.1.auto: Could not enable: -22 [ 23.426361] musb-hdrc musb-hdrc.1.auto: Could not enable: -22 [ 23.734466] musb-hdrc musb-hdrc.1.auto: pm runtime get failed in musb_gadget_queue [ 23.742462] musb-hdrc musb-hdrc.1.auto: pm runtime get failed in musb_gadget_queue [ 23.750396] musb-hdrc musb-hdrc.1.auto: pm runtime get failed in musb_gadget_queue ... (repeats with high frequency) This stops if the USB cable is unplugged and restarts if it is plugged in again. b) also found in the log [ 6.498107] ------------[ cut here ]------------ [ 6.502960] WARNING: CPU: 0 PID: 868 at arch/arm/mach-omap2/omap_hwmod.c:1885 _enable+0x50/0x234 [ 6.512207] omap_hwmod: usb_otg_hs: enabled state can only be entered from initialized, idle, or disabled state [ 6.522766] Modules linked in: omap2430(+) bmp280_i2c bmp280 itg3200 at24 tsc2007 leds_tca6507 bma180 hmc5843_i2c hmc5843_core industrialio_triggered_buffer lis3lv02d_i2c kfifo_buf lis3lv02d phy_twl4030_usb snd_soc_omap_mcbsp snd_soc_ti_sdma musb_hdrc snd_soc_twl4030 gnss_sirf twl4030_vibra twl4030_madc twl4030_charger twl4030_pwrbutton gnss industrialio ehci_omap omapdrm drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm drm_panel_orientation_quirks cec [ 6.566436] CPU: 0 PID: 868 Comm: udevd Not tainted 5.16.0-rc5-letux+ #8251 [ 6.573730] Hardware name: Generic OMAP36xx (Flattened Device Tree) [ 6.580322] [<c010ed30>] (unwind_backtrace) from [<c010a1d0>] (show_stack+0x10/0x14) [ 6.588470] [<c010a1d0>] (show_stack) from [<c0897c14>] (dump_stack_lvl+0x40/0x4c) [ 6.596405] [<c0897c14>] (dump_stack_lvl) from [<c0130cc4>] (__warn+0xb4/0xdc) [ 6.604003] [<c0130cc4>] (__warn) from [<c0130d5c>] (warn_slowpath_fmt+0x70/0x9c) [ 6.611846] [<c0130d5c>] (warn_slowpath_fmt) from [<c011f4d4>] (_enable+0x50/0x234) [ 6.619903] [<c011f4d4>] (_enable) from [<c012081c>] (omap_hwmod_enable+0x28/0x40) [ 6.627838] [<c012081c>] (omap_hwmod_enable) from [<c0120ff4>] (omap_device_enable+0x4c/0x78) [ 6.636779] [<c0120ff4>] (omap_device_enable) from [<c0121030>] (_od_runtime_resume+0x10/0x3c) [ 6.645812] [<c0121030>] (_od_runtime_resume) from [<c05c688c>] (__rpm_callback+0x3c/0xf4) [ 6.654510] [<c05c688c>] (__rpm_callback) from [<c05c6994>] (rpm_callback+0x50/0x54) [ 6.662628] [<c05c6994>] (rpm_callback) from [<c05c66b0>] (rpm_resume+0x448/0x4e4) [ 6.670593] [<c05c66b0>] (rpm_resume) from [<c05c6784>] (__pm_runtime_resume+0x38/0x50) [ 6.678985] [<c05c6784>] (__pm_runtime_resume) from [<bf14ab20>] (musb_init_controller+0x350/0xa5c [musb_hdrc]) [ 6.689727] [<bf14ab20>] (musb_init_controller [musb_hdrc]) from [<c05bccb8>] (platform_probe+0x58/0xa8) [ 6.699737] [<c05bccb8>] (platform_probe) from [<c05badf0>] (really_probe+0x170/0x2fc) [ 6.708068] [<c05badf0>] (really_probe) from [<c05bb040>] (__driver_probe_device+0xc4/0xd8) [ 6.716827] [<c05bb040>] (__driver_probe_device) from [<c05bb084>] (driver_probe_device+0x30/0xac) [ 6.726226] [<c05bb084>] (driver_probe_device) from [<c05bb3d0>] (__device_attach_driver+0x94/0xb4) [ 6.735717] [<c05bb3d0>] (__device_attach_driver) from [<c05b93f8>] (bus_for_each_drv+0xa0/0xb4) [ 6.744934] [<c05b93f8>] (bus_for_each_drv) from [<c05bb248>] (__device_attach+0xc0/0x134) [ 6.753631] [<c05bb248>] (__device_attach) from [<c05b9fcc>] (bus_probe_device+0x28/0x80) [ 6.762207] [<c05b9fcc>] (bus_probe_device) from [<c05b7e40>] (device_add+0x5fc/0x788) [ 6.770507] [<c05b7e40>] (device_add) from [<c05bd240>] (platform_device_add+0x70/0x1bc) [ 6.779022] [<c05bd240>] (platform_device_add) from [<bf177830>] (omap2430_probe+0x260/0x2d4 [omap2430]) [ 6.789001] [<bf177830>] (omap2430_probe [omap2430]) from [<c05bccb8>] (platform_probe+0x58/0xa8) [ 6.798309] [<c05bccb8>] (platform_probe) from [<c05badf0>] (really_probe+0x170/0x2fc) [ 6.806610] [<c05badf0>] (really_probe) from [<c05bb040>] (__driver_probe_device+0xc4/0xd8) [ 6.815399] [<c05bb040>] (__driver_probe_device) from [<c05bb084>] (driver_probe_device+0x30/0xac) [ 6.824798] [<c05bb084>] (driver_probe_device) from [<c05bb4b4>] (__driver_attach+0xc4/0xd8) [ 6.833648] [<c05bb4b4>] (__driver_attach) from [<c05b9308>] (bus_for_each_dev+0x64/0xa0) [ 6.842224] [<c05b9308>] (bus_for_each_dev) from [<c05ba248>] (bus_add_driver+0x148/0x1a4) [ 6.850891] [<c05ba248>] (bus_add_driver) from [<c05bbd1c>] (driver_register+0xb4/0xf8) [ 6.859313] [<c05bbd1c>] (driver_register) from [<c0101f54>] (do_one_initcall+0x90/0x1c8) [ 6.867889] [<c0101f54>] (do_one_initcall) from [<c0893968>] (do_init_module+0x4c/0x204) [ 6.876373] [<c0893968>] (do_init_module) from [<c01b4c30>] (load_module+0x13f0/0x1928) [ 6.884796] [<c01b4c30>] (load_module) from [<c01b53a0>] (sys_finit_module+0xa0/0xc0) [ 6.893005] [<c01b53a0>] (sys_finit_module) from [<c0100080>] (ret_fast_syscall+0x0/0x54) [ 6.901580] Exception stack(0xc2807fa8 to 0xc2807ff0) [ 6.906890] 7fa0: b6e517d4 00052068 00000006 b6e509f8 00000000 b6e5131c [ 6.915466] 7fc0: b6e517d4 00052068 cd718000 0000017b 00020000 00037f78 00050048 00063368 [ 6.924011] 7fe0: bed8fef0 bed8fee0 b6e4ac4b b6f55a42 [ 6.929321] ---[ end trace d715ff121b58763c ]--- c) git bisect result on testing for "musb-hdrc" in the console log: cf081d009c447647c6b36aced535ca427dbebe72 is the first bad commit commit cf081d009c447647c6b36aced535ca427dbebe72 Author: Rob Herring <robh@kernel.org> Date: Wed Dec 15 17:07:57 2021 -0600 usb: musb: Set the DT node on the child device The musb glue drivers just copy the glue resources to the musb child device. Instead, set the musb child device's DT node pointer to the parent device's node so that platform_get_irq_byname() can find the resources in the DT. This removes the need for statically populating the IRQ resources from the DT which has been deprecated for some time. Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20211215230756.2009115-3-robh@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> drivers/usb/musb/am35x.c | 2 ++ drivers/usb/musb/da8xx.c | 2 ++ drivers/usb/musb/jz4740.c | 1 + drivers/usb/musb/mediatek.c | 2 ++ drivers/usb/musb/omap2430.c | 1 + drivers/usb/musb/ux500.c | 1 + 6 files changed, 9 insertions(+) Reverting this patch makes musb work again as before. Fixes: cf081d009c44 ("usb: musb: Set the DT node on the child device") Cc: Rob Herring <robh@kernel.org> Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com> Link: https://lore.kernel.org/r/f62f5fc11f9ecae7e57f3fd66939e051bd3b11fc.1646744166.git.hns@goldelico.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 15 March 2022, 14:49:15 UTC |
65f3324 | Dan Carpenter | 01 March 2022, 08:04:24 UTC | usb: gadget: rndis: prevent integer overflow in rndis_set_response() If "BufOffset" is very large the "BufOffset + 8" operation can have an integer overflow. Cc: stable@kernel.org Fixes: 38ea1eac7d88 ("usb: gadget: rndis: check size of RNDIS_MSG_SET command") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Link: https://lore.kernel.org/r/20220301080424.GA17208@kili Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 15 March 2022, 14:48:57 UTC |
0f74b29 | Jiasheng Jiang | 14 March 2022, 01:34:48 UTC | atm: eni: Add check for dma_map_single As the potential failure of the dma_map_single(), it should be better to check it and return error if fails. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> Signed-off-by: David S. Miller <davem@davemloft.net> | 15 March 2022, 11:01:52 UTC |
0c48645 | Hannes Reinecke | 15 March 2022, 09:14:36 UTC | nvmet: revert "nvmet: make discovery NQN configurable" Revert commit 626851e9225d ("nvmet: make discovery NQN configurable"); the interface was deemed incorrect and will be replaced with a different one. Fixes: 626851e9225d ("nvmet: make discovery NQN configurable") Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de> | 15 March 2022, 09:39:26 UTC |
c700525 | Eric Dumazet | 12 March 2022, 23:29:58 UTC | net/packet: fix slab-out-of-bounds access in packet_recvmsg() syzbot found that when an AF_PACKET socket is using PACKET_COPY_THRESH and mmap operations, tpacket_rcv() is queueing skbs with garbage in skb->cb[], triggering a too big copy [1] Presumably, users of af_packet using mmap() already gets correct metadata from the mapped buffer, we can simply make sure to clear 12 bytes that might be copied to user space later. BUG: KASAN: stack-out-of-bounds in memcpy include/linux/fortify-string.h:225 [inline] BUG: KASAN: stack-out-of-bounds in packet_recvmsg+0x56c/0x1150 net/packet/af_packet.c:3489 Write of size 165 at addr ffffc9000385fb78 by task syz-executor233/3631 CPU: 0 PID: 3631 Comm: syz-executor233 Not tainted 5.17.0-rc7-syzkaller-02396-g0b3660695e80 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 print_address_description.constprop.0.cold+0xf/0x336 mm/kasan/report.c:255 __kasan_report mm/kasan/report.c:442 [inline] kasan_report.cold+0x83/0xdf mm/kasan/report.c:459 check_region_inline mm/kasan/generic.c:183 [inline] kasan_check_range+0x13d/0x180 mm/kasan/generic.c:189 memcpy+0x39/0x60 mm/kasan/shadow.c:66 memcpy include/linux/fortify-string.h:225 [inline] packet_recvmsg+0x56c/0x1150 net/packet/af_packet.c:3489 sock_recvmsg_nosec net/socket.c:948 [inline] sock_recvmsg net/socket.c:966 [inline] sock_recvmsg net/socket.c:962 [inline] ____sys_recvmsg+0x2c4/0x600 net/socket.c:2632 ___sys_recvmsg+0x127/0x200 net/socket.c:2674 __sys_recvmsg+0xe2/0x1a0 net/socket.c:2704 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fdfd5954c29 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffcf8e71e48 EFLAGS: 00000246 ORIG_RAX: 000000000000002f RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdfd5954c29 RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000005 RBP: 0000000000000000 R08: 000000000000000d R09: 000000000000000d R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcf8e71e60 R13: 00000000000f4240 R14: 000000000000c1ff R15: 00007ffcf8e71e54 </TASK> addr ffffc9000385fb78 is located in stack of task syz-executor233/3631 at offset 32 in frame: ____sys_recvmsg+0x0/0x600 include/linux/uio.h:246 this frame has 1 object: [32, 160) 'addr' Memory state around the buggy address: ffffc9000385fa80: 00 04 f3 f3 f3 f3 f3 00 00 00 00 00 00 00 00 00 ffffc9000385fb00: 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 >ffffc9000385fb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f3 ^ ffffc9000385fc00: f3 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 ffffc9000385fc80: f1 f1 f1 00 f2 f2 f2 00 f2 f2 f2 00 00 00 00 00 ================================================================== Fixes: 0fb375fb9b93 ("[AF_PACKET]: Allow for > 8 byte hardware addresses.") Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: syzbot <syzkaller@googlegroups.com> Link: https://lore.kernel.org/r/20220312232958.3535620-1-eric.dumazet@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 15 March 2022, 05:08:34 UTC |
0f8946a | Michael Walle | 12 March 2022, 22:41:40 UTC | net: mdio: mscc-miim: fix duplicate debugfs entry This driver can have up to two regmaps. If the second one is registered its debugfs entry will have the same name as the first one and the following error will be printed: [ 3.833521] debugfs: Directory 'e200413c.mdio' with parent 'regmap' already present! Give the second regmap a name to avoid this. Fixes: a27a76282837 ("net: mdio: mscc-miim: convert to a regmap implementation") Signed-off-by: Michael Walle <michael@walle.cc> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://lore.kernel.org/r/20220312224140.4173930-1-michael@walle.cc Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 15 March 2022, 05:04:15 UTC |
69ad4ef | Matt Lupfer | 08 March 2022, 15:27:02 UTC | scsi: mpt3sas: Page fault in reply q processing A page fault was encountered in mpt3sas on a LUN reset error path: [ 145.763216] mpt3sas_cm1: Task abort tm failed: handle(0x0002),timeout(30) tr_method(0x0) smid(3) msix_index(0) [ 145.778932] scsi 1:0:0:0: task abort: FAILED scmd(0x0000000024ba29a2) [ 145.817307] scsi 1:0:0:0: attempting device reset! scmd(0x0000000024ba29a2) [ 145.827253] scsi 1:0:0:0: [sg1] tag#2 CDB: Receive Diagnostic 1c 01 01 ff fc 00 [ 145.837617] scsi target1:0:0: handle(0x0002), sas_address(0x500605b0000272b9), phy(0) [ 145.848598] scsi target1:0:0: enclosure logical id(0x500605b0000272b8), slot(0) [ 149.858378] mpt3sas_cm1: Poll ReplyDescriptor queues for completion of smid(0), task_type(0x05), handle(0x0002) [ 149.875202] BUG: unable to handle page fault for address: 00000007fffc445d [ 149.885617] #PF: supervisor read access in kernel mode [ 149.894346] #PF: error_code(0x0000) - not-present page [ 149.903123] PGD 0 P4D 0 [ 149.909387] Oops: 0000 [#1] PREEMPT SMP NOPTI [ 149.917417] CPU: 24 PID: 3512 Comm: scsi_eh_1 Kdump: loaded Tainted: G S O 5.10.89-altav-1 #1 [ 149.934327] Hardware name: DDN 200NVX2 /200NVX2-MB , BIOS ATHG2.2.02.01 09/10/2021 [ 149.951871] RIP: 0010:_base_process_reply_queue+0x4b/0x900 [mpt3sas] [ 149.961889] Code: 0f 84 22 02 00 00 8d 48 01 49 89 fd 48 8d 57 38 f0 0f b1 4f 38 0f 85 d8 01 00 00 49 8b 45 10 45 31 e4 41 8b 55 0c 48 8d 1c d0 <0f> b6 03 83 e0 0f 3c 0f 0f 85 a2 00 00 00 e9 e6 01 00 00 0f b7 ee [ 149.991952] RSP: 0018:ffffc9000f1ebcb8 EFLAGS: 00010246 [ 150.000937] RAX: 0000000000000055 RBX: 00000007fffc445d RCX: 000000002548f071 [ 150.011841] RDX: 00000000ffff8881 RSI: 0000000000000001 RDI: ffff888125ed50d8 [ 150.022670] RBP: 0000000000000000 R08: 0000000000000000 R09: c0000000ffff7fff [ 150.033445] R10: ffffc9000f1ebb68 R11: ffffc9000f1ebb60 R12: 0000000000000000 [ 150.044204] R13: ffff888125ed50d8 R14: 0000000000000080 R15: 34cdc00034cdea80 [ 150.054963] FS: 0000000000000000(0000) GS:ffff88dfaf200000(0000) knlGS:0000000000000000 [ 150.066715] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 150.076078] CR2: 00000007fffc445d CR3: 000000012448a006 CR4: 0000000000770ee0 [ 150.086887] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 150.097670] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 150.108323] PKRU: 55555554 [ 150.114690] Call Trace: [ 150.120497] ? printk+0x48/0x4a [ 150.127049] mpt3sas_scsih_issue_tm.cold.114+0x2e/0x2b3 [mpt3sas] [ 150.136453] mpt3sas_scsih_issue_locked_tm+0x86/0xb0 [mpt3sas] [ 150.145759] scsih_dev_reset+0xea/0x300 [mpt3sas] [ 150.153891] scsi_eh_ready_devs+0x541/0x9e0 [scsi_mod] [ 150.162206] ? __scsi_host_match+0x20/0x20 [scsi_mod] [ 150.170406] ? scsi_try_target_reset+0x90/0x90 [scsi_mod] [ 150.178925] ? blk_mq_tagset_busy_iter+0x45/0x60 [ 150.186638] ? scsi_try_target_reset+0x90/0x90 [scsi_mod] [ 150.195087] scsi_error_handler+0x3a5/0x4a0 [scsi_mod] [ 150.203206] ? __schedule+0x1e9/0x610 [ 150.209783] ? scsi_eh_get_sense+0x210/0x210 [scsi_mod] [ 150.217924] kthread+0x12e/0x150 [ 150.224041] ? kthread_worker_fn+0x130/0x130 [ 150.231206] ret_from_fork+0x1f/0x30 This is caused by mpt3sas_base_sync_reply_irqs() using an invalid reply_q pointer outside of the list_for_each_entry() loop. At the end of the full list traversal the pointer is invalid. Move the _base_process_reply_queue() call inside of the loop. Link: https://lore.kernel.org/r/d625deae-a958-0ace-2ba3-0888dd0a415b@ddn.com Fixes: 711a923c14d9 ("scsi: mpt3sas: Postprocessing of target and LUN reset") Cc: stable@vger.kernel.org Acked-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com> Signed-off-by: Matt Lupfer <mlupfer@ddn.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> | 15 March 2022, 03:45:19 UTC |
5600f69 | Pavel Skripkin | 14 March 2022, 05:56:32 UTC | Input: aiptek - properly check endpoint type Syzbot reported warning in usb_submit_urb() which is caused by wrong endpoint type. There was a check for the number of endpoints, but not for the type of endpoint. Fix it by replacing old desc.bNumEndpoints check with usb_find_common_endpoints() helper for finding endpoints Fail log: usb 5-1: BOGUS urb xfer, pipe 1 != type 3 WARNING: CPU: 2 PID: 48 at drivers/usb/core/urb.c:502 usb_submit_urb+0xed2/0x18a0 drivers/usb/core/urb.c:502 Modules linked in: CPU: 2 PID: 48 Comm: kworker/2:2 Not tainted 5.17.0-rc6-syzkaller-00226-g07ebd38a0da2 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 Workqueue: usb_hub_wq hub_event ... Call Trace: <TASK> aiptek_open+0xd5/0x130 drivers/input/tablet/aiptek.c:830 input_open_device+0x1bb/0x320 drivers/input/input.c:629 kbd_connect+0xfe/0x160 drivers/tty/vt/keyboard.c:1593 Fixes: 8e20cf2bce12 ("Input: aiptek - fix crash on detecting device without endpoints") Reported-and-tested-by: syzbot+75cccf2b7da87fb6f84b@syzkaller.appspotmail.com Signed-off-by: Pavel Skripkin <paskripkin@gmail.com> Link: https://lore.kernel.org/r/20220308194328.26220-1-paskripkin@gmail.com Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> | 15 March 2022, 01:15:11 UTC |
15d7039 | Jakub Kicinski | 14 March 2022, 22:51:10 UTC | Merge git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf Pablo Neira Ayuso says: ==================== Netfilter fixes for net The following patchset contains Netfilter fixes for net coming late in the 5.17-rc process: 1) Revert port remap to mitigate shadowing service ports, this is causing problems in existing setups and this mitigation can be achieved with explicit ruleset, eg. ... tcp sport < 16386 tcp dport >= 32768 masquerade random This patches provided a built-in policy similar to the one described above. 2) Disable register tracking infrastructure in nf_tables. Florian reported two issues: - Existing expressions with no implemented .reduce interface that causes data-store on register should cancel the tracking. - Register clobbering might be possible storing data on registers that are larger than 32-bits. This might lead to generating incorrect ruleset bytecode. These two issues are scheduled to be addressed in the next release cycle. * git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf: netfilter: nf_tables: disable register tracking Revert "netfilter: conntrack: tag conntracks picked up in local out hook" Revert "netfilter: nat: force port remap to prevent shadowing well-known ports" ==================== Link: https://lore.kernel.org/r/20220312220315.64531-1-pablo@netfilter.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 14 March 2022, 22:51:10 UTC |
837d9e4 | Kurt Cancemi | 12 March 2022, 20:15:13 UTC | net: phy: marvell: Fix invalid comparison in the resume and suspend functions This bug resulted in only the current mode being resumed and suspended when the PHY supported both fiber and copper modes and when the PHY only supported copper mode the fiber mode would incorrectly be attempted to be resumed and suspended. Fixes: 3758be3dc162 ("Marvell phy: add functions to suspend and resume both interfaces: fiber and copper links.") Signed-off-by: Kurt Cancemi <kurt@x64architecture.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://lore.kernel.org/r/20220312201512.326047-1-kurt@x64architecture.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 14 March 2022, 22:08:37 UTC |
daaca35 | Ming Lei | 14 March 2022, 04:30:18 UTC | block: release rq qos structures for queue without disk blkcg_init_queue() may add rq qos structures to request queue, previously blk_cleanup_queue() calls rq_qos_exit() to release them, but commit 8e141f9eb803 ("block: drain file system I/O on del_gendisk") moves rq_qos_exit() into del_gendisk(), so memory leak is caused because queues may not have disk, such as un-present scsi luns, nvme admin queue, ... Fixes the issue by adding rq_qos_exit() to blk_cleanup_queue() back. BTW, v5.18 won't need this patch any more since we move blkcg_init_queue()/blkcg_exit_queue() into disk allocation/release handler, and patches have been in for-5.18/block. Cc: Christoph Hellwig <hch@lst.de> Cc: stable@vger.kernel.org Fixes: 8e141f9eb803 ("block: drain file system I/O on del_gendisk") Reported-by: syzbot+b42749a851a47a0f581b@syzkaller.appspotmail.com Signed-off-by: Ming Lei <ming.lei@redhat.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20220314043018.177141-1-ming.lei@redhat.com Signed-off-by: Jens Axboe <axboe@kernel.dk> | 14 March 2022, 20:05:41 UTC |
6665ca1 | Linus Torvalds | 14 March 2022, 18:21:52 UTC | Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost Pull virtio fix from Michael Tsirkin: "A last minute regression fix. I thought we did a lot of testing, but a regression still managed to sneak in. The fix seems trivial" * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: vhost: allow batching hint without size | 14 March 2022, 18:21:52 UTC |
4db4075 | Sabrina Dubroca | 10 March 2022, 10:49:00 UTC | esp6: fix check on ipv6_skip_exthdr's return value Commit 5f9c55c8066b ("ipv6: check return value of ipv6_skip_exthdr") introduced an incorrect check, which leads to all ESP packets over either TCPv6 or UDPv6 encapsulation being dropped. In this particular case, offset is negative, since skb->data points to the ESP header in the following chain of headers, while skb->network_header points to the IPv6 header: IPv6 | ext | ... | ext | UDP | ESP | ... That doesn't seem to be a problem, especially considering that if we reach esp6_input_done2, we're guaranteed to have a full set of headers available (otherwise the packet would have been dropped earlier in the stack). However, it means that the return value will (intentionally) be negative. We can make the test more specific, as the expected return value of ipv6_skip_exthdr will be the (negated) size of either a UDP header, or a TCP header with possible options. In the future, we should probably either make ipv6_skip_exthdr explicitly accept negative offsets (and adjust its return value for error cases), or make ipv6_skip_exthdr only take non-negative offsets (and audit all callers). Fixes: 5f9c55c8066b ("ipv6: check return value of ipv6_skip_exthdr") Reported-by: Xiumei Mu <xmu@redhat.com> Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> | 14 March 2022, 10:42:27 UTC |
e981bc7 | Claudiu Beznea | 11 March 2022, 11:17:16 UTC | net: dsa: microchip: add spi_device_id tables Add spi_device_id tables to avoid logs like "SPI driver ksz9477-switch has no spi_device_id". Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 14 March 2022, 10:08:08 UTC |
a680b18 | Brian Masney | 10 March 2022, 23:24:59 UTC | crypto: qcom-rng - ensure buffer for generate is completely filled The generate function in struct rng_alg expects that the destination buffer is completely filled if the function returns 0. qcom_rng_read() can run into a situation where the buffer is partially filled with randomness and the remaining part of the buffer is zeroed since qcom_rng_generate() doesn't check the return value. This issue can be reproduced by running the following from libkcapi: kcapi-rng -b 9000000 > OUTFILE The generated OUTFILE will have three huge sections that contain all zeros, and this is caused by the code where the test 'val & PRNG_STATUS_DATA_AVAIL' fails. Let's fix this issue by ensuring that qcom_rng_read() always returns with a full buffer if the function returns success. Let's also have qcom_rng_generate() return the correct value. Here's some statistics from the ent project (https://www.fourmilab.ch/random/) that shows information about the quality of the generated numbers: $ ent -c qcom-random-before Value Char Occurrences Fraction 0 606748 0.067416 1 33104 0.003678 2 33001 0.003667 ... 253 � 32883 0.003654 254 � 33035 0.003671 255 � 33239 0.003693 Total: 9000000 1.000000 Entropy = 7.811590 bits per byte. Optimum compression would reduce the size of this 9000000 byte file by 2 percent. Chi square distribution for 9000000 samples is 9329962.81, and randomly would exceed this value less than 0.01 percent of the times. Arithmetic mean value of data bytes is 119.3731 (127.5 = random). Monte Carlo value for Pi is 3.197293333 (error 1.77 percent). Serial correlation coefficient is 0.159130 (totally uncorrelated = 0.0). Without this patch, the results of the chi-square test is 0.01%, and the numbers are certainly not random according to ent's project page. The results improve with this patch: $ ent -c qcom-random-after Value Char Occurrences Fraction 0 35432 0.003937 1 35127 0.003903 2 35424 0.003936 ... 253 � 35201 0.003911 254 � 34835 0.003871 255 � 35368 0.003930 Total: 9000000 1.000000 Entropy = 7.999979 bits per byte. Optimum compression would reduce the size of this 9000000 byte file by 0 percent. Chi square distribution for 9000000 samples is 258.77, and randomly would exceed this value 42.24 percent of the times. Arithmetic mean value of data bytes is 127.5006 (127.5 = random). Monte Carlo value for Pi is 3.141277333 (error 0.01 percent). Serial correlation coefficient is 0.000468 (totally uncorrelated = 0.0). This change was tested on a Nexus 5 phone (msm8974 SoC). Signed-off-by: Brian Masney <bmasney@redhat.com> Fixes: ceec5f5b5988 ("crypto: qcom-rng - Add Qcom prng driver") Cc: stable@vger.kernel.org # 4.19+ Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by: Andrew Halaney <ahalaney@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> | 14 March 2022, 02:41:04 UTC |
09688c0 | Linus Torvalds | 13 March 2022, 20:23:37 UTC | Linux 5.17-rc8 | 13 March 2022, 20:23:37 UTC |
40ce112 | Jocelyn Falempe | 08 March 2022, 17:43:21 UTC | drm/mgag200: Fix PLL setup for g200wb and g200ew commit f86c3ed55920 ("drm/mgag200: Split PLL setup into compute and update functions") introduced a regression for g200wb and g200ew. The PLLs are not set up properly, and VGA screen stays black, or displays "out of range" message. MGA1064_WB_PIX_PLLC_N/M/P was mistakenly replaced with MGA1064_PIX_PLLC_N/M/P which have different addresses. Patch tested on a Dell T310 with g200wb Fixes: f86c3ed55920 ("drm/mgag200: Split PLL setup into compute and update functions") Cc: stable@vger.kernel.org Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20220308174321.225606-1-jfalempe@redhat.com | 13 March 2022, 19:35:06 UTC |
f0e18b0 | Linus Torvalds | 13 March 2022, 17:36:38 UTC | Merge tag 'x86_urgent_for_v5.17_rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Borislav Petkov: - Free shmem backing storage for SGX enclave pages when those are swapped back into EPC memory - Prevent do_int3() from being kprobed, to avoid recursion - Remap setup_data and setup_indirect structures properly when accessing their members - Correct the alternatives patching order for modules too * tag 'x86_urgent_for_v5.17_rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/sgx: Free backing memory after faulting the enclave page x86/traps: Mark do_int3() NOKPROBE_SYMBOL x86/boot: Add setup_indirect support in early_memremap_is_setup_data() x86/boot: Fix memremap of setup_indirect structures x86/module: Fix the paravirt vs alternative order | 13 March 2022, 17:36:38 UTC |
aad611a | Linus Torvalds | 12 March 2022, 18:29:25 UTC | Merge tag 'perf-tools-fixes-for-v5.17-2022-03-12' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux Pull perf tools fixes from Arnaldo Carvalho de Melo: - Fix event parser error for hybrid systems - Fix NULL check against wrong variable in 'perf bench' and in the parsing code - Update arm64 KVM headers from the kernel sources - Sync cpufeatures header with the kernel sources * tag 'perf-tools-fixes-for-v5.17-2022-03-12' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: perf parse: Fix event parser error for hybrid systems perf bench: Fix NULL check against wrong variable perf parse-events: Fix NULL check against wrong variable tools headers cpufeatures: Sync with the kernel sources tools kvm headers arm64: Update KVM headers from the kernel sources | 12 March 2022, 18:29:25 UTC |
1518a4f | Linus Torvalds | 12 March 2022, 18:22:43 UTC | Merge tag 'drm-fixes-2022-03-12' of git://anongit.freedesktop.org/drm/drm Pull drm kconfig fix from Dave Airlie: "Thorsten pointed out this had fallen down the cracks and was in -next only, I've picked it out, fixed up it's Fixes: line. - fix regression in Kconfig" * tag 'drm-fixes-2022-03-12' of git://anongit.freedesktop.org/drm/drm: drm/panel: Select DRM_DP_HELPER for DRM_PANEL_EDP | 12 March 2022, 18:22:43 UTC |
ed5f85d | Pablo Neira Ayuso | 12 March 2022, 10:05:46 UTC | netfilter: nf_tables: disable register tracking The register tracking infrastructure is incomplete, it might lead to generating incorrect ruleset bytecode, disable it by now given we are late in the release process. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> | 12 March 2022, 15:07:38 UTC |
91c9923 | Zhengjun Xing | 07 March 2022, 15:16:27 UTC | perf parse: Fix event parser error for hybrid systems This bug happened on hybrid systems when both cpu_core and cpu_atom have the same event name such as "UOPS_RETIRED.MS" while their event terms are different, then during perf stat, the event for cpu_atom will parse fail and then no output for cpu_atom. UOPS_RETIRED.MS -> cpu_core/period=0x1e8483,umask=0x4,event=0xc2,frontend=0x8/ UOPS_RETIRED.MS -> cpu_atom/period=0x1e8483,umask=0x1,event=0xc2/ It is because event terms in the "head" of parse_events_multi_pmu_add will be changed to event terms for cpu_core after parsing UOPS_RETIRED.MS for cpu_core, then when parsing the same event for cpu_atom, it still uses the event terms for cpu_core, but event terms for cpu_atom are different with cpu_core, the event parses for cpu_atom will fail. This patch fixes it, the event terms should be parsed from the original event. This patch can work for the hybrid systems that have the same event in more than 2 PMUs. It also can work in non-hybrid systems. Before: # perf stat -v -e UOPS_RETIRED.MS -a sleep 1 Using CPUID GenuineIntel-6-97-1 UOPS_RETIRED.MS -> cpu_core/period=0x1e8483,umask=0x4,event=0xc2,frontend=0x8/ Control descriptor is not initialized UOPS_RETIRED.MS: 2737845 16068518485 16068518485 Performance counter stats for 'system wide': 2,737,845 cpu_core/UOPS_RETIRED.MS/ 1.002553850 seconds time elapsed After: # perf stat -v -e UOPS_RETIRED.MS -a sleep 1 Using CPUID GenuineIntel-6-97-1 UOPS_RETIRED.MS -> cpu_core/period=0x1e8483,umask=0x4,event=0xc2,frontend=0x8/ UOPS_RETIRED.MS -> cpu_atom/period=0x1e8483,umask=0x1,event=0xc2/ Control descriptor is not initialized UOPS_RETIRED.MS: 1977555 16076950711 16076950711 UOPS_RETIRED.MS: 568684 8038694234 8038694234 Performance counter stats for 'system wide': 1,977,555 cpu_core/UOPS_RETIRED.MS/ 568,684 cpu_atom/UOPS_RETIRED.MS/ 1.004758259 seconds time elapsed Fixes: fb0811535e92c6c1 ("perf parse-events: Allow config on kernel PMU events") Reviewed-by: Kan Liang <kan.liang@linux.intel.com> Signed-off-by: Zhengjun Xing <zhengjun.xing@linux.intel.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lore.kernel.org/r/20220307151627.30049-1-zhengjun.xing@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> | 12 March 2022, 14:04:55 UTC |
073a15c | Weiguo Li | 11 March 2022, 13:07:16 UTC | perf bench: Fix NULL check against wrong variable We did a NULL check after "epollfdp = calloc(...)", but we checked "epollfd" instead of "epollfdp". Signed-off-by: Weiguo Li <liwg06@foxmail.com> Acked-by: Davidlohr Bueso <dave@stgolabs.net> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Davidlohr Bueso <dbueso@suse.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lore.kernel.org/r/tencent_B5D64530EB9C7DBB8D2C88A0C790F1489D0A@qq.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> | 12 March 2022, 13:49:13 UTC |
a7a7263 | Weiguo Li | 11 March 2022, 13:06:57 UTC | perf parse-events: Fix NULL check against wrong variable We did a null check after "tmp->symbol = strdup(...)", but we checked "list->symbol" other than "tmp->symbol". Reviewed-by: John Garry <john.garry@huawei.com> Signed-off-by: Weiguo Li <liwg06@foxmail.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lore.kernel.org/r/tencent_DF39269807EC9425E24787E6DB632441A405@qq.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> | 12 March 2022, 13:47:52 UTC |
ec9d50a | Arnaldo Carvalho de Melo | 01 July 2021, 16:39:15 UTC | tools headers cpufeatures: Sync with the kernel sources To pick the changes from: d45476d983240937 ("x86/speculation: Rename RETPOLINE_AMD to RETPOLINE_LFENCE") Its just a comment fixup. This only causes these perf files to be rebuilt: CC /tmp/build/perf/bench/mem-memcpy-x86-64-asm.o CC /tmp/build/perf/bench/mem-memset-x86-64-asm.o And addresses this perf build warning: Warning: Kernel ABI header at 'tools/arch/x86/include/asm/cpufeatures.h' differs from latest version at 'arch/x86/include/asm/cpufeatures.h' diff -u tools/arch/x86/include/asm/cpufeatures.h arch/x86/include/asm/cpufeatures.h Cc: Borislav Petkov <bp@suse.de> Cc: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/lkml/YiyiHatGaJQM7l/Y@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> | 12 March 2022, 13:38:05 UTC |
3ec94ee | Arnaldo Carvalho de Melo | 21 December 2020, 15:53:44 UTC | tools kvm headers arm64: Update KVM headers from the kernel sources To pick the changes from: a5905d6af492ee6a ("KVM: arm64: Allow SMCCC_ARCH_WORKAROUND_3 to be discovered and migrated") That don't causes any changes in tooling (when built on x86), only addresses this perf build warning: Warning: Kernel ABI header at 'tools/arch/arm64/include/uapi/asm/kvm.h' differs from latest version at 'arch/arm64/include/uapi/asm/kvm.h' diff -u tools/arch/arm64/include/uapi/asm/kvm.h arch/arm64/include/uapi/asm/kvm.h Cc: James Morse <james.morse@arm.com> Link: https://lore.kernel.org/lkml/YiyhAK6sVPc83FaI@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> | 12 March 2022, 13:33:13 UTC |
3755d35 | Thomas Zimmermann | 03 February 2022, 09:39:22 UTC | drm/panel: Select DRM_DP_HELPER for DRM_PANEL_EDP As reported in [1], DRM_PANEL_EDP depends on DRM_DP_HELPER. Select the option to fix the build failure. The error message is shown below. arm-linux-gnueabihf-ld: drivers/gpu/drm/panel/panel-edp.o: in function `panel_edp_probe': panel-edp.c:(.text+0xb74): undefined reference to `drm_panel_dp_aux_backlight' make[1]: *** [/builds/linux/Makefile:1222: vmlinux] Error 1 The issue has been reported before, when DisplayPort helpers were hidden behind the option CONFIG_DRM_KMS_HELPER. [2] v2: * fix and expand commit description (Arnd) Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Fixes: 9d6366e743f3 ("drm: fb_helper: improve CONFIG_FB dependency") Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org> Reported-by: Linux Kernel Functional Testing <lkft@linaro.org> Reviewed-by: Lyude Paul <lyude@redhat.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Link: https://lore.kernel.org/dri-devel/CA+G9fYvN0NyaVkRQmA1O6rX7H8PPaZrUAD7=RDy33QY9rUU-9g@mail.gmail.com/ # [1] Link: https://lore.kernel.org/all/20211117062704.14671-1-rdunlap@infradead.org/ # [2] Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: Lyude Paul <lyude@redhat.com> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Maxime Ripard <mripard@kernel.org> Cc: dri-devel@lists.freedesktop.org Link: https://patchwork.freedesktop.org/patch/msgid/20220203093922.20754-1-tzimmermann@suse.de Signed-off-by: Dave Airlie <airlied@redhat.com> | 12 March 2022, 07:41:30 UTC |
8e6ed96 | Jiyong Park | 11 March 2022, 02:00:16 UTC | vsock: each transport cycles only on its own sockets When iterating over sockets using vsock_for_each_connected_socket, make sure that a transport filters out sockets that don't belong to the transport. There actually was an issue caused by this; in a nested VM configuration, destroying the nested VM (which often involves the closing of /dev/vhost-vsock if there was h2g connections to the nested VM) kills not only the h2g connections, but also all existing g2h connections to the (outmost) host which are totally unrelated. Tested: Executed the following steps on Cuttlefish (Android running on a VM) [1]: (1) Enter into an `adb shell` session - to have a g2h connection inside the VM, (2) open and then close /dev/vhost-vsock by `exec 3< /dev/vhost-vsock && exec 3<&-`, (3) observe that the adb session is not reset. [1] https://android.googlesource.com/device/google/cuttlefish/ Fixes: c0cfa2d8a788 ("vsock: add multi-transports support") Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Jiyong Park <jiyong@google.com> Link: https://lore.kernel.org/r/20220311020017.1509316-1-jiyong@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 12 March 2022, 07:14:19 UTC |
46b348f | Niels Dossche | 10 March 2022, 23:27:08 UTC | alx: acquire mutex for alx_reinit in alx_change_mtu alx_reinit has a lockdep assertion that the alx->mtx mutex must be held. alx_reinit is called from two places: alx_reset and alx_change_mtu. alx_reset does acquire alx->mtx before calling alx_reinit. alx_change_mtu does not acquire this mutex, nor do its callers or any path towards alx_change_mtu. Acquire the mutex in alx_change_mtu. The issue was introduced when the fine-grained locking was introduced to the code to replace the RTNL. The same commit also introduced the lockdep assertion. Fixes: 4a5fe57e7751 ("alx: use fine-grained locking instead of RTNL") Signed-off-by: Niels Dossche <dossche.niels@gmail.com> Link: https://lore.kernel.org/r/20220310232707.44251-1-dossche.niels@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 12 March 2022, 06:53:14 UTC |
5e34af4 | Tadeusz Struk | 10 March 2022, 23:25:38 UTC | net: ipv6: fix skb_over_panic in __ip6_append_data Syzbot found a kernel bug in the ipv6 stack: LINK: https://syzkaller.appspot.com/bug?id=205d6f11d72329ab8d62a610c44c5e7e25415580 The reproducer triggers it by sending a crafted message via sendmmsg() call, which triggers skb_over_panic, and crashes the kernel: skbuff: skb_over_panic: text:ffffffff84647fb4 len:65575 put:65575 head:ffff888109ff0000 data:ffff888109ff0088 tail:0x100af end:0xfec0 dev:<NULL> Update the check that prevents an invalid packet with MTU equal to the fregment header size to eat up all the space for payload. The reproducer can be found here: LINK: https://syzkaller.appspot.com/text?tag=ReproC&x=1648c83fb00000 Reported-by: syzbot+e223cf47ec8ae183f2a0@syzkaller.appspotmail.com Signed-off-by: Tadeusz Struk <tadeusz.struk@linaro.org> Acked-by: Willem de Bruijn <willemb@google.com> Link: https://lore.kernel.org/r/20220310232538.1044947-1-tadeusz.struk@linaro.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> | 12 March 2022, 01:11:38 UTC |
6845376 | Randy Dunlap | 11 March 2022, 19:49:12 UTC | ARM: Spectre-BHB: provide empty stub for non-config When CONFIG_GENERIC_CPU_VULNERABILITIES is not set, references to spectre_v2_update_state() cause a build error, so provide an empty stub for that function when the Kconfig option is not set. Fixes this build error: arm-linux-gnueabi-ld: arch/arm/mm/proc-v7-bugs.o: in function `cpu_v7_bugs_init': proc-v7-bugs.c:(.text+0x52): undefined reference to `spectre_v2_update_state' arm-linux-gnueabi-ld: proc-v7-bugs.c:(.text+0x82): undefined reference to `spectre_v2_update_state' Fixes: b9baf5c8c5c3 ("ARM: Spectre-BHB workaround") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: kernel test robot <lkp@intel.com> Cc: Russell King <rmk+kernel@armlinux.org.uk> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: linux-arm-kernel@lists.infradead.org Cc: patches@armlinux.org.uk Acked-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 11 March 2022, 20:42:49 UTC |
77fe1ba | Linus Torvalds | 11 March 2022, 20:28:21 UTC | Merge tag 'riscv-for-linus-5.17-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V fixes from Palmer Dabbelt: - prevent users from enabling the alternatives framework (and thus errata handling) on XIP kernels, where runtime code patching does not function correctly. - properly detect offset overflow for AUIPC-based relocations in modules. This may manifest as modules calling arbitrary invalid addresses, depending on the address allocated when a module is loaded. * tag 'riscv-for-linus-5.17-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: riscv: Fix auipc+jalr relocation range checks riscv: alternative only works on !XIP_KERNEL | 11 March 2022, 20:28:21 UTC |
878409e | Linus Torvalds | 11 March 2022, 19:50:36 UTC | Merge tag 'powerpc-5.17-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fix from Michael Ellerman: "Fix STACKTRACE=n build, in particular for skiroot_defconfig" * tag 'powerpc-5.17-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc: Fix STACKTRACE=n build | 11 March 2022, 19:50:36 UTC |
6c7cb60 | Russell King (Oracle) | 11 March 2022, 17:13:17 UTC | ARM: fix Thumb2 regression with Spectre BHB When building for Thumb2, the vectors make use of a local label. Sadly, the Spectre BHB code also uses a local label with the same number which results in the Thumb2 reference pointing at the wrong place. Fix this by changing the number used for the Spectre BHB local label. Fixes: b9baf5c8c5c3 ("ARM: Spectre-BHB workaround") Tested-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 11 March 2022, 19:40:08 UTC |
3977a3f | Linus Torvalds | 11 March 2022, 19:24:58 UTC | Merge tag 'mmc-v5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc Pull MMC fixes from Ulf Hansson: "MMC core: - Restore (mostly) the busy polling for MMC_SEND_OP_COND MMC host: - meson-gx: Fix DMA usage of meson_mmc_post_req()" * tag 'mmc-v5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: mmc: core: Restore (almost) the busy polling for MMC_SEND_OP_COND mmc: meson: Fix usage of meson_mmc_post_req() | 11 March 2022, 19:24:58 UTC |
08999b2 | Jarkko Sakkinen | 03 March 2022, 22:38:58 UTC | x86/sgx: Free backing memory after faulting the enclave page There is a limited amount of SGX memory (EPC) on each system. When that memory is used up, SGX has its own swapping mechanism which is similar in concept but totally separate from the core mm/* code. Instead of swapping to disk, SGX swaps from EPC to normal RAM. That normal RAM comes from a shared memory pseudo-file and can itself be swapped by the core mm code. There is a hierarchy like this: EPC <-> shmem <-> disk After data is swapped back in from shmem to EPC, the shmem backing storage needs to be freed. Currently, the backing shmem is not freed. This effectively wastes the shmem while the enclave is running. The memory is recovered when the enclave is destroyed and the backing storage freed. Sort this out by freeing memory with shmem_truncate_range(), as soon as a page is faulted back to the EPC. In addition, free the memory for PCMD pages as soon as all PCMD's in a page have been marked as unused by zeroing its contents. Cc: stable@vger.kernel.org Fixes: 1728ab54b4be ("x86/sgx: Add a page reclaimer") Reported-by: Dave Hansen <dave.hansen@linux.intel.com> Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org> Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Link: https://lkml.kernel.org/r/20220303223859.273187-1-jarkko@kernel.org | 11 March 2022, 18:31:06 UTC |
93ce935 | Linus Torvalds | 11 March 2022, 18:28:32 UTC | Merge branch 'davidh' (fixes from David Howells) Merge misc fixes from David Howells: "A set of patches for watch_queue filter issues noted by Jann. I've added in a cleanup patch from Christophe Jaillet to convert to using formal bitmap specifiers for the note allocation bitmap. Also two filesystem fixes (afs and cachefiles)" * emailed patches from David Howells <dhowells@redhat.com>: cachefiles: Fix volume coherency attribute afs: Fix potential thrashing in afs writeback watch_queue: Make comment about setting ->defunct more accurate watch_queue: Fix lack of barrier/sync/lock between post and read watch_queue: Free the alloc bitmap when the watch_queue is torn down watch_queue: Fix the alloc bitmap size to reflect notes allocated watch_queue: Use the bitmap API when applicable watch_queue: Fix to always request a pow-of-2 pipe ring size watch_queue: Fix to release page in ->release() watch_queue, pipe: Free watchqueue state after clearing pipe ring watch_queue: Fix filter limit check | 11 March 2022, 18:28:32 UTC |
413a4a6 | David Howells | 11 March 2022, 16:02:18 UTC | cachefiles: Fix volume coherency attribute A network filesystem may set coherency data on a volume cookie, and if given, cachefiles will store this in an xattr on the directory in the cache corresponding to the volume. The function that sets the xattr just stores the contents of the volume coherency buffer directly into the xattr, with nothing added; the checking function, on the other hand, has a cut'n'paste error whereby it tries to interpret the xattr contents as would be the xattr on an ordinary file (using the cachefiles_xattr struct). This results in a failure to match the coherency data because the buffer ends up being shifted by 18 bytes. Fix this by defining a structure specifically for the volume xattr and making both the setting and checking functions use it. Since the volume coherency doesn't work if used, take the opportunity to insert a reserved field for future use, set it to 0 and check that it is 0. Log mismatch through the appropriate tracepoint. Note that this only affects cifs; 9p, afs, ceph and nfs don't use the volume coherency data at the moment. Fixes: 32e150037dce ("fscache, cachefiles: Store the volume coherency data") Reported-by: Rohith Surabattula <rohiths.msft@gmail.com> Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> cc: Steve French <smfrench@gmail.com> cc: linux-cifs@vger.kernel.org cc: linux-cachefs@redhat.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 11 March 2022, 18:24:37 UTC |
173ce1c | David Howells | 11 March 2022, 15:58:21 UTC | afs: Fix potential thrashing in afs writeback In afs_writepages_region(), if the dirty page we find is undergoing writeback or write to cache, but the sync_mode is WB_SYNC_NONE, we go round the loop trying the same page again and again with no pausing or waiting unless and until another thread manages to clear the writeback and fscache flags. Fix this with three measures: (1) Advance start to after the page we found. (2) Break out of the loop and return if rescheduling is requested. (3) Arbitrarily give up after a maximum of 5 skips. Fixes: 31143d5d515e ("AFS: implement basic file write support") Reported-by: Marc Dionne <marc.dionne@auristor.com> Signed-off-by: David Howells <dhowells@redhat.com> Tested-by: Marc Dionne <marc.dionne@auristor.com> Acked-by: Marc Dionne <marc.dionne@auristor.com> Link: https://lore.kernel.org/r/164692725757.2097000.2060513769492301854.stgit@warthog.procyon.org.uk/ # v1 Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 11 March 2022, 18:24:37 UTC |
a365a65 | Li Huafei | 10 March 2022, 12:09:15 UTC | x86/traps: Mark do_int3() NOKPROBE_SYMBOL Since kprobe_int3_handler() is called in do_int3(), probing do_int3() can cause a breakpoint recursion and crash the kernel. Therefore, do_int3() should be marked as NOKPROBE_SYMBOL. Fixes: 21e28290b317 ("x86/traps: Split int3 handler up") Signed-off-by: Li Huafei <lihuafei1@huawei.com> Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20220310120915.63349-1-lihuafei1@huawei.com | 11 March 2022, 18:19:30 UTC |
4edc076 | David Howells | 11 March 2022, 13:24:47 UTC | watch_queue: Make comment about setting ->defunct more accurate watch_queue_clear() has a comment stating that setting ->defunct to true preventing new additions as well as preventing notifications. Whilst the latter is true, the first bit is superfluous since at the time this function is called, the pipe cannot be accessed to add new event sources. Remove the "new additions" bit from the comment. Fixes: c73be61cede5 ("pipe: Add general notification queue support") Reported-by: Jann Horn <jannh@google.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 11 March 2022, 18:17:13 UTC |
2ed147f | David Howells | 11 March 2022, 13:24:36 UTC | watch_queue: Fix lack of barrier/sync/lock between post and read There's nothing to synchronise post_one_notification() versus pipe_read(). Whilst posting is done under pipe->rd_wait.lock, the reader only takes pipe->mutex which cannot bar notification posting as that may need to be made from contexts that cannot sleep. Fix this by setting pipe->head with a barrier in post_one_notification() and reading pipe->head with a barrier in pipe_read(). If that's not sufficient, the rd_wait.lock will need to be taken, possibly in a ->confirm() op so that it only applies to notifications. The lock would, however, have to be dropped before copy_page_to_iter() is invoked. Fixes: c73be61cede5 ("pipe: Add general notification queue support") Reported-by: Jann Horn <jannh@google.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 11 March 2022, 18:17:13 UTC |
7ea1a01 | David Howells | 11 March 2022, 13:24:29 UTC | watch_queue: Free the alloc bitmap when the watch_queue is torn down Free the watch_queue note allocation bitmap when the watch_queue is destroyed. Fixes: c73be61cede5 ("pipe: Add general notification queue support") Reported-by: Jann Horn <jannh@google.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 11 March 2022, 18:17:13 UTC |