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| author | Xi Wang <[email protected]> | 2012-02-09 01:13:37 +0000 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2012-02-09 03:03:51 +0000 |
| commit | 1ecd3c7ea76488c63b4b0a2561fd7eaf96cc8028 (patch) | |
| tree | 3bc88fd0b4fd61c86141c66e86cf5492753bcd22 /lib/spinlock_debug.c | |
| parent | Merge tag 'fbdev-fixes-for-3.3-1' of git://github.com/schandinat/linux-2.6 (diff) | |
| download | kernel-1ecd3c7ea76488c63b4b0a2561fd7eaf96cc8028.tar.gz kernel-1ecd3c7ea76488c63b4b0a2561fd7eaf96cc8028.zip | |
nilfs2: avoid overflowing segment numbers in nilfs_ioctl_clean_segments()
nsegs is read from userspace. Limit its value and avoid overflowing nsegs
* sizeof(__u64) in the subsequent call to memdup_user().
This patch complements 481fe17e973fb9 ("nilfs2: potential integer overflow
in nilfs_ioctl_clean_segments()").
Signed-off-by: Xi Wang <[email protected]>
Cc: Haogang Chen <[email protected]>
Acked-by: Ryusuke Konishi <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'lib/spinlock_debug.c')
0 files changed, 0 insertions, 0 deletions