linux-stable/drivers/target
Ming Lei 348288a269 scsi: target: fix crash with iscsi target and dvd
[ Upstream commit 8e1ceafe50 ]

When the current page can't be added to bio, one new bio should be
created for adding this page again, instead of ignoring this page.

This patch fixes kernel crash with iscsi target and dvd, as reported by
Wakko.

Cc: Wakko Warner <wakko@animx.eu.org>
Cc: Bart Van Assche <Bart.VanAssche@wdc.com>
Cc: target-devel@vger.kernel.org
Cc: linux-scsi@vger.kernel.org
Cc: "Nicholas A. Bellinger" <nab@linux-iscsi.org>
Cc: Christoph Hellwig <hch@lst.de>
Fixes: 84c8590646 ("target: avoid accessing .bi_vcnt directly")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-06-21 04:02:43 +09:00
..
iscsi iscsi-target: make sure to wake up sleeping login worker 2018-02-22 15:42:29 +01:00
loopback License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sbp License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tcm_fc License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
target_core_alua.c fs: fix kernel_write prototype 2017-09-04 19:05:15 -04:00
target_core_alua.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
target_core_configfs.c target: export lio pgr/alua support as device attr 2017-07-10 20:05:27 -07:00
target_core_device.c target: Fix cmd size for PR-OUT in passthrough_parse_cdb 2017-07-09 20:58:49 -07:00
target_core_fabric_configfs.c target/configfs: Kill se_lun->lun_link_magic 2017-06-08 23:26:38 -07:00
target_core_fabric_lib.c target: Use {get,put}_unaligned_be*() instead of open coding these functions 2017-07-06 22:57:59 -07:00
target_core_file.c target/file: Do not return error for UNMAP if length is zero 2017-12-20 10:10:26 +01:00
target_core_file.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
target_core_hba.c
target_core_iblock.c scsi: target: Fix fortify_panic kernel exception 2018-05-09 09:51:51 +02:00
target_core_iblock.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
target_core_internal.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
target_core_pr.c target:fix condition return in core_pr_dump_initiator_port() 2017-12-20 10:10:25 +01:00
target_core_pr.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
target_core_pscsi.c scsi: target: fix crash with iscsi target and dvd 2018-06-21 04:02:43 +09:00
target_core_pscsi.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
target_core_rd.c target: break up free_device callback 2017-07-06 23:11:37 -07:00
target_core_rd.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
target_core_sbc.c Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2017-07-13 14:27:32 -07:00
target_core_spc.c target: Fix cmd size for PR-OUT in passthrough_parse_cdb 2017-07-09 20:58:49 -07:00
target_core_stat.c target: Add counters for ABORT_TASK success + failure 2017-02-26 16:21:06 -08:00
target_core_tmr.c target: Avoid early CMD_T_PRE_EXECUTE failures during ABORT_TASK 2017-11-30 08:40:51 +00:00
target_core_tpg.c target: Fix node_acl demo-mode + uncached dynamic shutdown regression 2017-08-09 20:55:19 -07:00
target_core_transport.c target: Avoid early CMD_T_PRE_EXECUTE failures during ABORT_TASK 2017-11-30 08:40:51 +00:00
target_core_ua.c
target_core_ua.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
target_core_user.c tcmu: release blocks for partially setup cmds 2018-04-12 12:32:21 +02:00
target_core_xcopy.c xcopy: loop over devices using idr helper 2017-07-06 23:11:40 -07:00
target_core_xcopy.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00