- 15 Jun, 2018 26 commits
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Mauro Carvalho Chehab authored
Rename: pinctrl-binding.txt -> pinctrl-bindings.txt In order to match the current name of this file. Signed-off-by:
Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by:
Jonathan Corbet <corbet@lwn.net>
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Mauro Carvalho Chehab authored
There were some file movements that changed the location for some DT bindings. Fix them with: scripts/documentation-file-ref-check --fix After manually checking if the new file makes sense. Signed-off-by:
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Mauro Carvalho Chehab authored
The specified locations are not right. Fix the wildcard logic to point to the correct directories. Without that, get-maintainer won't get things right: $ ./scripts/get_maintainer.pl --no-git-fallback --no-r --no-n --no-l -f Documentation/devicetree/bindings/arm/cpu-enable-method/nuvoton,npcm750-smp robh+dt@kernel.org (maintainer:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS) mark.rutland@arm.com (maintainer:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS) After the patch, it will properly point to NPCM arch maintainers: $ ./scripts/get_maintainer.pl --no-git-fallback --no-r --no-n --no-l -f Documentation/devicetree/bindings/arm/cpu-enable-method/nuvoton,npcm750-smp avifishman70@gmail.com (supporter:ARM/NUVOTON NPCM ARCHITECTURE) tmaimon77@gmail.com (supporter:ARM/NUVOTON NPCM ARCHITECTURE) robh+dt@kernel.org (maintainer:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS) mark.rutland@arm.com (maintainer:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS) Cc: Avi Fishman <avifishman70@gmail.com> Cc: Tomer Maimon <tmaimon77@gmail.com> Cc: Patrick Venture <venture@google.com> Cc: Nancy Yuen <yuenn@google.com> Cc: Brendan Higgins <brendanhiggins@google.com> Signed-off-by:
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Mauro Carvalho Chehab authored
Those files got a manufacturer's name prepended and were moved around. Adjust their references accordingly. Also, due those movements, Documentation/devicetree/bindings/video doesn't exist anymore. Cc: David Airlie <airlied@linux.ie> Cc: David Lechner <david@lechnology.com> Cc: Peter Senna Tschudin <peter.senna@collabora.com> Cc: Martin Donnelly <martin.donnelly@ge.com> Cc: Martyn Welch <martyn.welch@collabora.co.uk> Cc: Stefan Agner <stefan@agner.ch> Cc: Alison Wang <alison.wang@nxp.com> Cc: Eric Anholt <eric@anholt.net> Signed-off-by:
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Mauro Carvalho Chehab authored
The alsa parameters file was renamed to alsa-configuration.rst. With regards to OSS, it got retired as a hole by at changeset 727dede0 ("sound: Retire OSS"). So, it doesn't make sense to keep mentioning it at kernel-parameters.txt. Fixes: 727dede0 ("sound: Retire OSS") Signed-off-by:
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Mauro Carvalho Chehab authored
The location pointed there is missing "bindings/" on its path. Acked-by:
Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by:
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Mauro Carvalho Chehab authored
As we move stuff around, some doc references are broken. Fix some of them via this script: ./scripts/documentation-file-ref-check --fix Manually checked that produced results are valid. Acked-by:
Matthias Brugger <matthias.bgg@gmail.com> Acked-by:
Takashi Iwai <tiwai@suse.de> Acked-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com> Acked-by:
Guenter Roeck <linux@roeck-us.net> Acked-by:
Miguel Ojeda <miguel.ojeda.sandonis@gmail.com> Signed-off-by:
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Mauro Carvalho Chehab authored
Some files, like tools/memory-model/README has references to a Documentation file that is locale to it. Handle references that are relative to them too. Signed-off-by:
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Mauro Carvalho Chehab authored
Now that the number of broken refs are smaller, improve the logic that gets rid of false-positives. Signed-off-by:
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Mauro Carvalho Chehab authored
Sometimes, people use dash instead of underline or vice-versa. Try to autocorrect it. Signed-off-by:
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Mauro Carvalho Chehab authored
There are several links broken due to DT file movements. Add a hint logic to seek for those changes. Signed-off-by:
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Mauro Carvalho Chehab authored
at MAINTAINERS, some filename paths use '?' and things like [7,9]. So, accept more wildcards, in order to avoid false-positives. Signed-off-by:
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Mauro Carvalho Chehab authored
The name of the --fix option was renamed, but it was not changed at the quick help message. Signed-off-by:
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Mauro Carvalho Chehab authored
There's a missing ".rst" at the doc's file name. Acked-by:
Ramesh Shanmugasundaram <Ramesh.shanmugasundaram@bp.renesas.com> Signed-off-by:
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Mauro Carvalho Chehab authored
There are several places pointing to old documentation files: Documentation/video4linux/API.html Documentation/video4linux/bttv/ Documentation/video4linux/cx2341x/fw-encoder-api.txt Documentation/video4linux/m5602.txt Documentation/video4linux/v4l2-framework.txt Documentation/video4linux/videobuf Documentation/video4linux/Zoran Make them point to the new location where available, removing otherwise. Signed-off-by:
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Mauro Carvalho Chehab authored
This file got renamed, but the references still point to the old place. Signed-off-by:
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Mauro Carvalho Chehab authored
This script was moved out of Documentation/dvb, but the links weren't updated. Signed-off-by:
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Mauro Carvalho Chehab authored
As we move stuff around, some doc references are broken. Fix some of them via this script: ./scripts/documentation-file-ref-check --fix Manually checked if the produced result is valid, removing a few false-positives. Acked-by:
Masami Hiramatsu <mhiramat@kernel.org> Acked-by:
Stephen Boyd <sboyd@kernel.org> Acked-by:
Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Acked-by:
Mathieu Poirier <mathieu.poirier@linaro.org> Reviewed-by:
Coly Li <colyli@suse.de> Signed-off-by:
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Mauro Carvalho Chehab authored
The script: ./scripts/documentation-file-ref-check --fix Gives multiple hints for broken references on some files. Manually use the one that applies for some files. Acked-by:
Steven Rostedt (VMware) <rostedt@goodmis.org> Acked-by:
James Morris <james.morris@microsoft.com> Signed-off-by:
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Mauro Carvalho Chehab authored
Changeset 9919cba7 ("watchdog: Update documentation") updated the documentation, removing the old nmi_watchdog.txt and adding a file with a new content. Update Kconfig files accordingly. Fixes: 9919cba7 ("watchdog: Update documentation") Signed-off-by:
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Mauro Carvalho Chehab authored
./Documentation/crypto/crypto_engine.rst:13: WARNING: Unexpected indentation. ./Documentation/crypto/crypto_engine.rst:15: WARNING: Block quote ends without a blank line; unexpected unindent. Signed-off-by:
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Mauro Carvalho Chehab authored
As stated at: http://www.sphinx-doc.org/en/master/usage/restructuredtext/basics.html#footnotes A footnote should contain either a number, a reference or an auto number, e. g.: [1], [#f1] or [#]. While using [*] accidentaly works for html, it fails for other document outputs. In particular, it causes an error with LaTeX output, causing all books after networking to not be built. So, replace it by a valid syntax. Acked-by:
Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by:
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Linus Torvalds authored
Merge tag 'linux-kselftest-4.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull more Kselftest updates from Shuah Khan: - fix a signedness bug in cgroups test - add ppc support for kprobe args tests * tag 'linux-kselftest-4.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: kselftest/cgroup: fix a signedness bug selftests/ftrace: Add ppc support for kprobe args tests
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/soundLinus Torvalds authored
Pull sound fixes from Takashi Iwai: "Here is a collection of small fixes on top of the previous update. All small and obvious fixes. Mostly for usual suspects, USB-audio and HD-audio, but a few trivial error handling fixes for misc drivers as well" * tag 'sound-fix-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: usb-audio: Always create the interrupt pipe for the mixer ALSA: usb-audio: Add insertion control for UAC3 BADD ALSA: usb-audio: Change in connectors control creation interface ALSA: usb-audio: Add bi-directional terminal types ALSA: lx6464es: add error handling for pci_ioremap_bar ALSA: sonicvibes: add error handling for snd_ctl_add ALSA: usb-audio: Remove explicitly listed Mytek devices ALSA: usb-audio: Generic DSD detection for XMOS-based implementations ALSA: usb-audio: Add native DSD support for Mytek DACs ALSA: hda/realtek - Add shutup hint ALSA: usb-audio: Disable the quirk for Nura headset ALSA: hda: add dock and led support for HP ProBook 640 G4 ALSA: hda: add dock and led support for HP EliteBook 830 G5 ALSA: emu10k1: add error handling for snd_ctl_add ALSA: fm801: add error handling for snd_ctl_add
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git://anongit.freedesktop.org/drm/drmLinus Torvalds authored
Pull amd drm fixes from Dave Airlie: "Just a single set of AMD fixes for stuff in -next for -rc1" * tag 'drm-next-2018-06-15' of git://anongit.freedesktop.org/drm/drm: (47 commits) drm/amd/powerplay: Set higher SCLK&MCLK frequency than dpm7 in OD (v2) drm/amd/powerplay: remove uncessary extra gfxoff control call drm/amdgpu: fix parsing indirect register list v2 drm/amd/include: Update df 3.6 mask and shift definition drm/amd/pp: Fix OD feature enable failed on Vega10 workstation cards drm/amd/display: Fix stale buffer object (bo) use drm/amd/pp: initialize result to before or'ing in data drm/amd/powerplay: fix wrong clock adjust sequence drm/amdgpu: Grab/put runtime PM references in atomic_commit_tail() drm/amd/powerplay: fix missed hwmgr check warning before call gfx_off_control handler drm/amdgpu: fix CG enabling hang with gfxoff enabled drm/amdgpu: fix clear_all and replace handling in the VM (v2) drm/amdgpu: add checking for sos version drm/amdgpu: fix the missed vcn fw version report Revert "drm/amdgpu: Add an ATPX quirk for hybrid laptop" drm/amdgpu/df: fix potential array out-of-bounds read drm/amdgpu: Fix NULL pointer when load kfd driver with PP block is disabled drm/gfx9: Update gc goldensetting for vega20. drm/amd/pp: Allow underclocking when od table is empty in vbios drm/amdgpu/display: check if ppfuncs exists before using it ...
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git://people.freedesktop.org/~agd5f/linuxDave Airlie authored
Fixes for 4.18. Highlights: - Fixes for gfxoff on Raven - Remove an ATPX quirk now that the root cause is fixed - Runtime PM fixes - Vega20 register header update - Wattman fixes - Misc bug fixes Signed-off-by:
Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180614141428.2909-1-alexander.deucher@amd.com
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- 14 Jun, 2018 14 commits
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Linus Torvalds authored
Merge more updates from Andrew Morton: - MM remainders - various misc things - kcov updates * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (27 commits) lib/test_printf.c: call wait_for_random_bytes() before plain %p tests hexagon: drop the unused variable zero_page_mask hexagon: fix printk format warning in setup.c mm: fix oom_kill event handling treewide: use PHYS_ADDR_MAX to avoid type casting ULLONG_MAX mm: use octal not symbolic permissions ipc: use new return type vm_fault_t sysvipc/sem: mitigate semnum index against spectre v1 fault-injection: reorder config entries arm: port KCOV to arm sched/core / kcov: avoid kcov_area during task switch kcov: prefault the kcov_area kcov: ensure irq code sees a valid area kernel/relay.c: change return type to vm_fault_t exofs: avoid VLA in structures coredump: fix spam with zero VMA process fat: use fat_fs_error() instead of BUG_ON() in __fat_get_block() proc: skip branch in /proc/*/* lookup mremap: remove LATENCY_LIMIT from mremap to reduce the number of TLB shootdowns mm/memblock: add missing include <linux/bootmem.h> ...
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Thierry Escande authored
If the test_printf module is loaded before the crng is initialized, the plain 'p' tests will fail because the printed address will not be hashed and the buffer will contain '(ptrval)' instead. This patch adds a call to wait_for_random_bytes() before plain 'p' tests to make sure the crng is initialized. Link: http://lkml.kernel.org/r/20180604113708.11554-1-thierry.escande@linaro.orgSigned-off-by:
Thierry Escande <thierry.escande@linaro.org> Acked-by:
Tobin C. Harding <me@tobin.cc> Reviewed-by:
Andrew Morton <akpm@linux-foundation.org> Cc: David Miller <davem@davemloft.net> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Anshuman Khandual authored
Hexagon arch does not seem to have subscribed to _HAVE_COLOR_ZERO_PAGE framework. Hence zero_page_mask variable is not needed. Link: http://lkml.kernel.org/r/20180517061105.30447-1-khandual@linux.vnet.ibm.comSigned-off-by:
Anshuman Khandual <khandual@linux.vnet.ibm.com> Reviewed-by:
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Randy Dunlap authored
Fix printk format warning in hexagon/kernel/setup.c: ../arch/hexagon/kernel/setup.c: In function 'setup_arch': ../arch/hexagon/kernel/setup.c:69:2: warning: format '%x' expects argument of type 'unsigned int', but argument 2 has type 'long unsigned int' [-Wformat] where: extern unsigned long __phys_offset; #define PHYS_OFFSET __phys_offset Link: http://lkml.kernel.org/r/adce8db5-4b01-dc10-7fbb-6a64e0787eb5@infradead.orgSigned-off-by:
Randy Dunlap <rdunlap@infradead.org> Signed-off-by:
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Roman Gushchin authored
Commit e27be240 ("mm: memcg: make sure memory.events is uptodate when waking pollers") converted most of memcg event counters to per-memcg atomics, which made them less confusing for a user. The "oom_kill" counter remained untouched, so now it behaves differently than other counters (including "oom"). This adds nothing but confusion. Let's fix this by adding the MEMCG_OOM_KILL event, and follow the MEMCG_OOM approach. This also removes a hack from count_memcg_event_mm(), introduced earlier specially for the OOM_KILL counter. [akpm@linux-foundation.org: fix for droppage of memcg-replace-mm-owner-with-mm-memcg.patch] Link: http://lkml.kernel.org/r/20180508124637.29984-1-guro@fb.comSigned-off-by:
Roman Gushchin <guro@fb.com> Acked-by:
Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Acked-by:
Johannes Weiner <hannes@cmpxchg.org> Acked-by:
Michal Hocko <mhocko@suse.com> Cc: Vladimir Davydov <vdavydov.dev@gmail.com> Signed-off-by:
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Stefan Agner authored
With PHYS_ADDR_MAX there is now a type safe variant for all bits set. Make use of it. Patch created using a semantic patch as follows: // <smpl> @@ typedef phys_addr_t; @@ -(phys_addr_t)ULLONG_MAX +PHYS_ADDR_MAX // </smpl> Link: http://lkml.kernel.org/r/20180419214204.19322-1-stefan@agner.chSigned-off-by:
Stefan Agner <stefan@agner.ch> Reviewed-by:
Ard Biesheuvel <ard.biesheuvel@linaro.org> Acked-by: Catalin Marinas <catalin.marinas@arm.com> [arm64] Signed-off-by:
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Joe Perches authored
mm/*.c files use symbolic and octal styles for permissions. Using octal and not symbolic permissions is preferred by many as more readable. https://lkml.org/lkml/2016/8/2/1945 Prefer the direct use of octal for permissions. Done using $ scripts/checkpatch.pl -f --types=SYMBOLIC_PERMS --fix-inplace mm/*.c and some typing. Before: $ git grep -P -w "0[0-7]{3,3}" mm | wc -l 44 After: $ git grep -P -w "0[0-7]{3,3}" mm | wc -l 86 Miscellanea: o Whitespace neatening around these conversions. Link: http://lkml.kernel.org/r/2e032ef111eebcd4c5952bae86763b541d373469.1522102887.git.joe@perches.comSigned-off-by:
Joe Perches <joe@perches.com> Acked-by:
David Rientjes <rientjes@google.com> Acked-by:
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Souptick Joarder authored
Use new return type vm_fault_t for fault handler. For now, this is just documenting that the function returns a VM_FAULT value rather than an errno. Once all instances are converted, vm_fault_t will become a distinct type. Commit 1c8f4220 ("mm: change return type to vm_fault_t") Link: http://lkml.kernel.org/r/20180425043413.GA21467@jordon-HP-15-Notebook-PCSigned-off-by:
Souptick Joarder <jrdr.linux@gmail.com> Reviewed-by:
Matthew Wilcox <mawilcox@microsoft.com> Reviewed-by:
Davidlohr Bueso <dbueso@suse.de> Cc: Manfred Spraul <manfred@colorfullife.com> Cc: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by:
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Davidlohr Bueso authored
Both smatch and coverity are reporting potential issues with spectre variant 1 with the 'semnum' index within the sma->sems array, ie: ipc/sem.c:388 sem_lock() warn: potential spectre issue 'sma->sems' ipc/sem.c:641 perform_atomic_semop_slow() warn: potential spectre issue 'sma->sems' ipc/sem.c:721 perform_atomic_semop() warn: potential spectre issue 'sma->sems' Avoid any possible speculation by using array_index_nospec() thus ensuring the semnum value is bounded to [0, sma->sem_nsems). With the exception of sem_lock() all of these are slowpaths. Link: http://lkml.kernel.org/r/20180423171131.njs4rfm2yzyeg6do@linux-n805Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: "Gustavo A. R. Silva" <gustavo@embeddedor.com> Cc: Manfred Spraul <manfred@colorfullife.com> Signed-off-by:
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Mikulas Patocka authored
Reorder Kconfig entries, so that menuconfig displays proper indentation. Link: http://lkml.kernel.org/r/alpine.LRH.2.02.1804251601160.30569@file01.intranet.prod.int.rdu2.redhat.comSigned-off-by:
Mikulas Patocka <mpatocka@redhat.com> Acked-by:
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Dmitry Vyukov authored
KCOV is code coverage collection facility used, in particular, by syzkaller system call fuzzer. There is some interest in using syzkaller on arm devices. So port KCOV to arm. On implementation level this merely declares that KCOV is supported and disables instrumentation of 3 special cases. Reasons for disabling are commented in code. Tested with qemu-system-arm/vexpress-a15. Link: http://lkml.kernel.org/r/20180511143248.112484-1-dvyukov@google.comSigned-off-by:
Dmitry Vyukov <dvyukov@google.com> Acked-by:
Mark Rutland <mark.rutland@arm.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Abbott Liu <liuwenliang@huawei.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Koguchi Takuo <takuo.koguchi.sw@hitachi.com> Cc: <syzkaller@googlegroups.com> Signed-off-by:
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Mark Rutland authored
During a context switch, we first switch_mm() to the next task's mm, then switch_to() that new task. This means that vmalloc'd regions which had previously been faulted in can transiently disappear in the context of the prev task. Functions instrumented by KCOV may try to access a vmalloc'd kcov_area during this window, and as the fault handling code is instrumented, this results in a recursive fault. We must avoid accessing any kcov_area during this window. We can do so with a new flag in kcov_mode, set prior to switching the mm, and cleared once the new task is live. Since task_struct::kcov_mode isn't always a specific enum kcov_mode value, this is made an unsigned int. The manipulation is hidden behind kcov_{prepare,finish}_switch() helpers, which are empty for !CONFIG_KCOV kernels. The code uses macros because I can't use static inline functions without a circular include dependency between <linux/sched.h> and <linux/kcov.h>, since the definition of task_struct uses things defined in <linux/kcov.h> Link: http://lkml.kernel.org/r/20180504135535.53744-4-mark.rutland@arm.comSigned-off-by:Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by:
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Mark Rutland authored
On many architectures the vmalloc area is lazily faulted in upon first access. This is problematic for KCOV, as __sanitizer_cov_trace_pc accesses the (vmalloc'd) kcov_area, and fault handling code may be instrumented. If an access to kcov_area faults, this will result in mutual recursion through the fault handling code and __sanitizer_cov_trace_pc(), eventually leading to stack corruption and/or overflow. We can avoid this by faulting in the kcov_area before __sanitizer_cov_trace_pc() is permitted to access it. Once it has been faulted in, it will remain present in the process page tables, and will not fault again. [akpm@linux-foundation.org: code cleanup] [akpm@linux-foundation.org: add comment explaining kcov_fault_in_area()] [akpm@linux-foundation.org: fancier code comment from Mark] Link: http://lkml.kernel.org/r/20180504135535.53744-3-mark.rutland@arm.comSigned-off-by:
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Mark Rutland authored
Patch series "kcov: fix unexpected faults". These patches fix a few issues where KCOV code could trigger recursive faults, discovered while debugging a patch enabling KCOV for arch/arm: * On CONFIG_PREEMPT kernels, there's a small race window where __sanitizer_cov_trace_pc() can see a bogus kcov_area. * Lazy faulting of the vmalloc area can cause mutual recursion between fault handling code and __sanitizer_cov_trace_pc(). * During the context switch, switching the mm can cause the kcov_area to be transiently unmapped. These are prerequisites for enabling KCOV on arm, but the issues themsevles are generic -- we just happen to avoid them by chance rather than design on x86-64 and arm64. This patch (of 3): For kernels built with CONFIG_PREEMPT, some C code may execute before or after the interrupt handler, while the hardirq count is zero. In these cases, in_task() can return true. A task can be interrupted in the middle of a KCOV_DISABLE ioctl while it resets the task's kcov data via kcov_task_init(). Instrumented code executed during this period will call __sanitizer_cov_trace_pc(), and as in_task() returns true, will inspect t->kcov_mode before trying to write to t->kcov_area. In kcov_init_task() we update t->kcov_{mode,area,size} with plain stores, which may be re-ordered, torn, etc. Thus __sanitizer_cov_trace_pc() may see bogus values for any of these fields, and may attempt to write to memory which is not mapped. Let's avoid this by using WRITE_ONCE() to set t->kcov_mode, with a barrier() to ensure this is ordered before we clear t->kov_{area,size}. This ensures that any code execute while kcov_init_task() is preempted will either see valid values for t->kcov_{area,size}, or will see that t->kcov_mode is KCOV_MODE_DISABLED, and bail out without touching t->kcov_area. Link: http://lkml.kernel.org/r/20180504135535.53744-2-mark.rutland@arm.comSigned-off-by:
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