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(parent: a04d8ef) | patch
floppy: don't write kernel-only members to FDRAWCMD ioctl output
authorMatthew Daley <mattd@bugfuzz.com>
Mon, 28 Apr 2014 07:05:21 +0000 (19:05 +1200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 13 May 2014 12:11:29 +0000 (14:11 +0200)
commitbfa779779247e9421b23155747e1779ce87aa040
treeba0e80345bca015d0381aaeb0cc447b1a5d5e452tree | snapshot
parenta04d8ef979b661ce9051d0f22b0b2c25fc94b955commit | diff
floppy: don't write kernel-only members to FDRAWCMD ioctl output

commit 2145e15e0557a01b9195d1c7199a1b92cb9be81f upstream.

Do not leak kernel-only floppy_raw_cmd structure members to userspace.
This includes the linked-list pointer and the pointer to the allocated
DMA space.

Signed-off-by: Matthew Daley <mattd@bugfuzz.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/block/floppy.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git