George Kennedy 78f27c43eb libata: if T_LENGTH is zero, dma direction should be DMA_NONE
commit 5da5231bb47864e5dd6c6731151e98b6ee498827 upstream.

Avoid data corruption by rejecting pass-through commands where
T_LENGTH is zero (No data is transferred) and the dma direction
is not DMA_NONE.

Cc: <stable@vger.kernel.org>
Reported-by: syzkaller<syzkaller@googlegroups.com>
Signed-off-by: George Kennedy<george.kennedy@oracle.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-12-22 09:32:49 +01:00
..
2021-06-14 08:26:54 -06:00
2021-07-10 09:22:44 -07:00
2021-11-18 19:15:51 +01:00
2021-03-26 17:13:02 -06:00