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linux-next/drivers/scsi/be2iscsi
Mike Christie 7b0ddc1346 scsi: be2iscsi: Fix use-after-free during IP updates
This fixes a bug found by Lv Yunlong where, because beiscsi_exec_nemb_cmd()
frees memory for the be_dma_mem cmd(), we can access freed memory when
beiscsi_if_clr_ip()/beiscsi_if_set_ip()'s call to beiscsi_exec_nemb_cmd()
fails and we access the freed req. This fixes the issue by having the
caller free the cmd's memory.

Link: https://lore.kernel.org/r/20210701190840.175120-1-michael.christie@oracle.com
Reported-by: Lv Yunlong <lyl2019@mail.ustc.edu.cn>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-07-18 21:19:14 -04:00
..
be_cmds.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 338 2019-06-05 17:37:07 +02:00
be_cmds.h treewide: Use sizeof_field() macro 2019-12-09 10:36:44 -08:00
be_iscsi.c scsi: iscsi: Rel ref after iscsi_lookup_endpoint() 2021-06-02 01:28:20 -04:00
be_iscsi.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 338 2019-06-05 17:37:07 +02:00
be_main.c scsi: be2iscsi: Fix some missing space in some messages 2021-06-22 23:00:01 -04:00
be_main.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 338 2019-06-05 17:37:07 +02:00
be_mgmt.c scsi: be2iscsi: Fix use-after-free during IP updates 2021-07-18 21:19:14 -04:00
be_mgmt.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 338 2019-06-05 17:37:07 +02:00
be.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 338 2019-06-05 17:37:07 +02:00
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