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| author | Alexander Potapenko <glider@google.com> | 2022-11-02 14:06:08 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-11-09 02:57:24 +0300 |
| commit | 11385b2612004298ac2fbc9877e73f1410cfd3c0 (patch) | |
| tree | 6ebf69f3e37db3ae51e8931c3514aece93ad699e /arch/x86/lib/atomic64_386_32.S | |
| parent | cbadaf71f7cf9e67c073eec673c6c050cecd0ec8 (diff) | |
| download | linux-11385b2612004298ac2fbc9877e73f1410cfd3c0.tar.xz | |
x86/uaccess: instrument copy_from_user_nmi()
Make sure usercopy hooks from linux/instrumented.h are invoked for
copy_from_user_nmi(). This fixes KMSAN false positives reported when
dumping opcodes for a stack trace.
Link: https://lkml.kernel.org/r/20221102110611.1085175-2-glider@google.com
Signed-off-by: Alexander Potapenko <glider@google.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Marco Elver <elver@google.com>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch/x86/lib/atomic64_386_32.S')
0 files changed, 0 insertions, 0 deletions