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| author | Dmitry Vyukov | 2016-12-01 00:54:16 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2016-12-01 01:32:52 +0100 |
| commit | 828347f8f9a558cf1af2faa46387a26564f2ac3e (patch) | |
| tree | 4acb63366cc89b3e87e85805530911300dd4ab19 /mm/truncate.c | |
| parent | kasan: update kasan_global for gcc 7 (diff) | |
| download | kernel-qcow2-linux-828347f8f9a558cf1af2faa46387a26564f2ac3e.tar.gz kernel-qcow2-linux-828347f8f9a558cf1af2faa46387a26564f2ac3e.tar.xz kernel-qcow2-linux-828347f8f9a558cf1af2faa46387a26564f2ac3e.zip | |
kasan: support use-after-scope detection
Gcc revision 241896 implements use-after-scope detection. Will be
available in gcc 7. Support it in KASAN.
Gcc emits 2 new callbacks to poison/unpoison large stack objects when
they go in/out of scope. Implement the callbacks and add a test.
[dvyukov@google.com: v3]
Link: http://lkml.kernel.org/r/1479998292-144502-1-git-send-email-dvyukov@google.com
Link: http://lkml.kernel.org/r/1479226045-145148-1-git-send-email-dvyukov@google.com
Signed-off-by: Dmitry Vyukov <dvyukov@google.com>
Acked-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: <stable@vger.kernel.org> [4.0+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/truncate.c')
0 files changed, 0 insertions, 0 deletions