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| author | Alexander Potapenko <glider@google.com> | 2020-05-28 07:20:52 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-05-28 20:35:40 +0200 |
| commit | 1d605416fb7175e1adf094251466caa52093b413 (patch) | |
| tree | 0116d920c5facf13b63774d9e9a9248748075924 /include/asm-generic/topology.h | |
| parent | mm: remove VM_BUG_ON(PageSlab()) from page_mapcount() (diff) | |
| download | linux-1d605416fb7175e1adf094251466caa52093b413.tar.xz linux-1d605416fb7175e1adf094251466caa52093b413.zip | |
fs/binfmt_elf.c: allocate initialized memory in fill_thread_core_info()
KMSAN reported uninitialized data being written to disk when dumping
core. As a result, several kilobytes of kmalloc memory may be written
to the core file and then read by a non-privileged user.
Reported-by: sam <sunhaoyl@outlook.com>
Signed-off-by: Alexander Potapenko <glider@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Kees Cook <keescook@chromium.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/20200419100848.63472-1-glider@google.com
Link: https://github.com/google/kmsan/issues/76
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions