diff options
| author | Dan Rosenberg <drosenberg@vsecurity.com> | 2011-07-26 04:11:53 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-26 07:57:07 +0400 |
| commit | 0d0138ebe24b94065580bd2601f8bb7eb6152f56 (patch) | |
| tree | 13ab981dbddd25b57bb821394d0a3c78bf8fb25a /tools/perf/scripts/python | |
| parent | 67db392d1124e14684e23deb572de2a63b9b3b69 (diff) | |
| download | linux-0d0138ebe24b94065580bd2601f8bb7eb6152f56.tar.xz | |
xtensa: prevent arbitrary read in ptrace
Prevent an arbitrary kernel read. Check the user pointer with access_ok()
before copying data in.
[akpm@linux-foundation.org: s/EIO/EFAULT/]
Signed-off-by: Dan Rosenberg <drosenberg@vsecurity.com>
Cc: Christian Zankel <chris@zankel.net>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions