AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/drivers/scsi/device_handler
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Martin Wilck 57adf5d4cf scsi: scsi_dh_rdac: zero cdb in send_mode_select() 
cdb in send_mode_select() is not zeroed and is only partially filled in
rdac_failover_get(), which leads to some random data getting to the
device. Users have reported storage responding to such commands with
INVALID FIELD IN CDB. Code before commit 3278255741 was not affected, as
it called blk_rq_set_block_pc().

Fix this by zeroing out the cdb first.

Identified & fix proposed by HPE.

Fixes: 3278255741 ("scsi_dh_rdac: switch to scsi_execute_req_flags()")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20190904155205.1666-1-martin.wilck@suse.com
Signed-off-by: Martin Wilck <mwilck@suse.com>
Acked-by: Ales Novak <alnovak@suse.cz>
Reviewed-by: Shane Seymour <shane.seymour@hpe.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-09-10 21:25:36 -04:00
..
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
scsi_dh_alua.c SCSI fixes on 20190601 2019-06-02 09:26:34 -07:00
scsi_dh_emc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 18 2019-05-21 11:28:46 +02:00
scsi_dh_hp_sw.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 18 2019-05-21 11:28:46 +02:00
scsi_dh_rdac.c scsi: scsi_dh_rdac: zero cdb in send_mode_select() 2019-09-10 21:25:36 -04:00