floppy: don't write kernel-only members to FDRAWCMD ioctl output

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commit 2145e15e05 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>

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Matthew Daley 2014-04-28 19:05:21 +12:00 • committed by Greg Kroah-Hartman

parent fb9a201188

commit b487c62505

1 changed files with 4 additions and 1 deletions

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drivers/block/floppy.c

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