linux/drivers/block/floppy.c
Matthew Daley b487c62505 floppy: don't write kernel-only members to FDRAWCMD ioctl output
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>
2014-05-13 13:32:47 +02:00

4632 lines
118 KiB