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9d7464b188
linux/drivers/target
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Dan Carpenter 9d7464b188 scsi: target: tcmu: Fix a use after free in tcmu_check_expired_queue_cmd() 
The pr_debug() dereferences "cmd" after we already freed it by calling
tcmu_free_cmd(cmd).  The debug printk needs to be done earlier.

Link: https://lore.kernel.org/r/20200523101129.GB98132@mwanda
Fixes: 61fb248221 ("scsi: target: tcmu: Userspace must not complete queued commands")
Reviewed-by: Mike Christie <mchristi@redhat.com>
Reviewed-by: David Disseldorp <ddiss@suse.de>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-05-26 15:54:39 -04:00
..
iscsi scsi: target: iscsi: Remove the iscsi_data_count structure 2020-04-24 18:21:15 -04:00
loopback scsi: target: loopback: Fix READ with data and sensebytes 2020-05-11 22:20:19 -04:00
sbp treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
tcm_fc scsi: libfc: remove unnecessary assertion on ep variable 2019-12-19 22:08:55 -05:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
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 scsi: target: Make transport_flags per device 2020-05-07 22:39:21 -04:00
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: tcmu: Make pgr_support and alua_support attributes writable 2020-05-07 22:39:22 -04:00
target_core_device.c scsi: target: core: Add initiatorname to NON_EXISTENT_LUN error 2020-05-19 21:27:10 -04:00
target_core_fabric_configfs.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
target_core_fabric_lib.c scsi: target: core: Fix a pr_debug() argument 2019-11-19 21:41:11 -05:00
target_core_file.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
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 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
target_core_iblock.c scsi: target/iblock: Fix protection error with blocks greater than 512B 2019-12-19 18:50:34 -05:00
target_core_iblock.h scsi: target/core: Use the SECTOR_SHIFT constant 2018-10-16 01:13:35 -04:00
target_core_internal.h scsi: target/core: Make ABORT and LUN RESET handling synchronous 2018-12-07 21:22:55 -05:00
target_core_pr.c scsi: target: Make transport_flags per device 2020-05-07 22:39:21 -04:00
target_core_pr.h scsi: target/core: Rework the SPC-2 reservation handling code 2019-04-12 20:20:05 -04:00
target_core_pscsi.c scsi: target: Make transport_flags per device 2020-05-07 22:39:21 -04:00
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 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -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 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
target_core_spc.c scsi: target: use an enum to track emulate_ua_intlck_ctrl 2020-02-21 17:37:16 -05:00
target_core_stat.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
target_core_tmr.c scsi: target: convert boolean se_dev_attrib types to bool 2020-02-21 17:37:14 -05:00
target_core_tpg.c scsi: target: Make transport_flags per device 2020-05-07 22:39:21 -04:00
target_core_transport.c scsi: target: Make transport_flags per device 2020-05-07 22:39:21 -04:00
target_core_ua.c scsi: target: use an enum to track emulate_ua_intlck_ctrl 2020-02-21 17:37:16 -05:00
target_core_ua.h scsi: target: Fix handling of removed LUNs 2018-07-02 16:44:32 -04:00
target_core_user.c scsi: target: tcmu: Fix a use after free in tcmu_check_expired_queue_cmd() 2020-05-26 15:54:39 -04:00
target_core_xcopy.c scsi: target: use the stack for XCOPY passthrough cmds 2020-03-29 18:10:59 -04:00
target_core_xcopy.h scsi: target: use the stack for XCOPY passthrough cmds 2020-03-29 18:10:59 -04:00