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(parent: 31bd8fb) | 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)
commit8b0d77f13192678019f07cbc6b3338d6d91f1cf4
tree3b5aaa1ac59486d6a507be5618d23815f7890ee8tree | snapshot (tar.gz zip)
parent31bd8fbb41b1fdf61f80e3e506574b43fad5e478commit | 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 | blame | history