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(parent: e78984e) | patch
block/compat_ioctl.c: do not leak info to user-space
authorCong Wang <amwang@redhat.com>
Wed, 3 Jul 2013 22:01:12 +0000 (15:01 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 3 Jul 2013 23:07:25 +0000 (16:07 -0700)
commit0c274173141a183363bc895ce376a3699e60594d
tree3b5aaa1ac59486d6a507be5618d23815f7890ee8tree | snapshot
parente78984ea86649b0e0b48ee484cdd4b0c0cb35e79commit | diff
block/compat_ioctl.c: do not leak info to user-space

There is a hole in struct hd_geometry, so we have to zero the struct on
stack before copying it to user-space.

Signed-off-by: Cong Wang <amwang@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
block/compat_ioctl.c diff | blob | history
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