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| author | Dan Rosenberg <drosenberg@vsecurity.com> | 2011-07-25 17:11:53 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-08-04 21:58:39 -0700 |
| commit | f7ac7c5b73c4f78f83202f8ec54ef1a73b9c5abe (patch) | |
| tree | 4b346639150d015b87b65447bdaa7f1bfe3d33a9 /fs/ext4/mballoc.c | |
| parent | 650957da7699e730e78e82735b8c2595fcf7794a (diff) | |
| download | kernel_samsung_smdk4412-f7ac7c5b73c4f78f83202f8ec54ef1a73b9c5abe.zip kernel_samsung_smdk4412-f7ac7c5b73c4f78f83202f8ec54ef1a73b9c5abe.tar.gz kernel_samsung_smdk4412-f7ac7c5b73c4f78f83202f8ec54ef1a73b9c5abe.tar.bz2 | |
xtensa: prevent arbitrary read in ptrace
commit 0d0138ebe24b94065580bd2601f8bb7eb6152f56 upstream.
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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'fs/ext4/mballoc.c')
0 files changed, 0 insertions, 0 deletions