| commit | 0d0138ebe24b94065580bd2601f8bb7eb6152f56 | [log] [tgz] |
|---|---|---|
| author | Dan Rosenberg <drosenberg@vsecurity.com> | Mon Jul 25 17:11:53 2011 -0700 |
| committer | Linus Torvalds <torvalds@linux-foundation.org> | Mon Jul 25 20:57:07 2011 -0700 |
| tree | 13ab981dbddd25b57bb821394d0a3c78bf8fb25a | |
| parent | 67db392d1124e14684e23deb572de2a63b9b3b69 [diff] |
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>