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26abc916a8
linux-next/drivers/target
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Mike Christie 26abc916a8 iscsi target: fix session creation failure handling 
The problem is that iscsi_login_zero_tsih_s1 sets conn->sess early in
iscsi_login_set_conn_values. If the function fails later like when we
alloc the idr it does kfree(sess) and leaves the conn->sess pointer set.
iscsi_login_zero_tsih_s1 then returns -Exyz and we then call
iscsi_target_login_sess_out and access the freed memory.

This patch has iscsi_login_zero_tsih_s1 either completely setup the
session or completely tear it down, so later in
iscsi_target_login_sess_out we can just check for it being set to the
connection.

Cc: stable@vger.kernel.org
Fixes: 0957627a99 ("iscsi-target: Fix sess allocation leak in...")
Signed-off-by: Mike Christie <mchristi@redhat.com>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Matthew Wilcox <willy@infradead.org>
2018-08-21 23:54:19 -04:00
..
iscsi iscsi target: fix session creation failure handling 2018-08-21 23:54:19 -04:00
loopback target/tcm_loop: Use blk_queue_flag_set() 2018-03-08 14:13:48 -07:00
sbp sbp-target: Delete an error message for a failed memory allocation in three functions 2018-01-12 15:07:21 -08:00
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 target: Use sgl_alloc_order() and sgl_free() 2018-01-06 09:18:00 -07:00
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 target: fix ALUA state file path truncation 2017-11-04 15:00:30 -07:00
target_core_alua.h Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2017-11-24 19:19:20 -10:00
target_core_configfs.c scsi: target: prefer dbroot of /etc/target over /var/target 2018-04-19 00:47:02 -04:00
target_core_device.c target: fix destroy device in target_configure_device 2018-01-18 01:21:11 -08:00
target_core_fabric_configfs.c target: Move a declaration of a global variable into a header file 2017-11-04 15:15:30 -07:00
target_core_fabric_lib.c target-core: don't use "const char*" for a buffer that is written to 2018-01-12 15:07:09 -08:00
target_core_file.c scsi: target: target/file: Add support of direct and async I/O 2018-05-14 22:40:08 -04:00
target_core_file.h scsi: target: target/file: Add support of direct and async I/O 2018-05-14 22:40:08 -04:00
target_core_hba.c target: Fix target_sense_desc_format NULL pointer dereference 2015-09-24 23:17:23 -07:00
target_core_iblock.c target: convert to bioset_init()/mempool_init() 2018-05-30 15:33:32 -06:00
target_core_iblock.h target: convert to bioset_init()/mempool_init() 2018-05-30 15:33:32 -06:00
target_core_internal.h scsi: target: prefer dbroot of /etc/target over /var/target 2018-04-19 00:47:02 -04:00
target_core_pr.c scsi: target: Fix truncated PR-in ReadKeys response 2018-06-19 21:36:37 -04:00
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 misc on 20180610 2018-06-10 13:01:12 -07:00
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 target: don't call an unmap callback if a range length is zero 2018-01-12 15:07:28 -08:00
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: make config_item_type const 2017-10-19 16:15:17 +02:00
target_core_tmr.c target: Avoid early CMD_T_PRE_EXECUTE failures during ABORT_TASK 2017-11-07 19:50:24 -08:00
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 treewide: Use array_size() in vzalloc() 2018-06-12 16:19:22 -07:00
target_core_ua.c Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2015-07-04 14:13:43 -07:00
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 scsi: target: tcmu: add read length support 2018-06-18 21:02:52 -04:00
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