| commit | ef8b14b4fd36fbf79a7823b5741fa901755ee62d | |
| author | Dan Rosenberg <drosenberg@vsecurity.com> | |
| Tue, 26 Jul 2011 00:11:53 +0000 (25 17:11 -0700) | ||
| committer | Andi Kleen <ak@linux.intel.com> | |
| Mon, 1 Aug 2011 20:55:00 +0000 (1 13:55 -0700) | ||
| tree | 17d7f205da9f675b939aa8b17655efb094988a74 | treesnapshot (tar.gz zip) |
| parent | 6b1ffd2fa340aca8687ec0d1795c0be19f72a29c | commitdiff |
xtensa: prevent arbitrary read in ptrace
[ upstream commit 0d0138ebe24b94065580bd2601f8bb7eb6152f56 ]
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>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
[ upstream commit 0d0138ebe24b94065580bd2601f8bb7eb6152f56 ]
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>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
| arch/xtensa/kernel/ptrace.c | diffblobblamehistory |