| commit | 1d605416fb7175e1adf094251466caa52093b413 | [log] [tgz] |
|---|---|---|
| author | Alexander Potapenko <[email protected]> | Wed May 27 22:20:52 2020 -0700 |
| committer | Linus Torvalds <[email protected]> | Thu May 28 11:35:40 2020 -0700 |
| tree | 0116d920c5facf13b63774d9e9a9248748075924 | |
| parent | 6988f31d558aa8c744464a7f6d91d34ada48ad12 [diff] |
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 <[email protected]> Signed-off-by: Alexander Potapenko <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Acked-by: Kees Cook <[email protected]> Cc: Al Viro <[email protected]> Cc: Alexey Dobriyan <[email protected]> Cc: <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Link: https://github.com/google/kmsan/issues/76 Signed-off-by: Linus Torvalds <[email protected]>