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c97840c84f
linux/drivers/target
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Mike Christie c97840c84f scsi: tcmu: do not set max_blocks if data_bitmap has been setup 
This patch prevents a bug where data_bitmap is allocated in
tcmu_configure_device, userspace changes the max_blocks setting, the device
is mapped to a LUN, then we try to access the data_bitmap based on the new
max_blocks limit which may now be out of range.

To prevent this, we just check if data_bitmap has been setup. If it has
then we fail the max_blocks update operation.

Signed-off-by: Mike Christie <mchristi@redhat.com>
Reviewed-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-07-30 23:17:53 -04:00
..
iscsi scsi: target: Remove second argument from fabric_make_tpg() 2018-07-02 16:44:32 -04:00
loopback scsi: target/tcm_loop: Avoid that static checkers warn about dead code 2018-07-02 16:44:32 -04:00
sbp scsi: target: Remove second argument from fabric_make_tpg() 2018-07-02 16:44:32 -04:00
tcm_fc scsi: target: Remove second argument from fabric_make_tpg() 2018-07-02 16:44:32 -04:00
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: add helper to check if dev is configured 2018-07-30 23:17:53 -04:00
target_core_device.c scsi: target: add helper to check if dev is configured 2018-07-30 23:17:53 -04:00
target_core_fabric_configfs.c scsi: target: add helper to check if dev is configured 2018-07-30 23:17:53 -04:00
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: Fold core_tmr_handle_tas_abort() into transport_cmd_finish_abort() 2018-07-02 16:44:31 -04:00
target_core_pr.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_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 scsi: target: Use config_item_name() instead of open-coding it 2018-07-02 16:44:30 -04:00
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 scsi: target: Fold core_tmr_handle_tas_abort() into transport_cmd_finish_abort() 2018-07-02 16:44:31 -04:00
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 scsi: target: Fix handling of removed LUNs 2018-07-02 16:44:32 -04:00
target_core_ua.c scsi: target: Remove se_dev_entry.ua_count 2018-07-02 16:44:32 -04:00
target_core_ua.h scsi: target: Fix handling of removed LUNs 2018-07-02 16:44:32 -04:00
target_core_user.c scsi: tcmu: do not set max_blocks if data_bitmap has been setup 2018-07-30 23:17:53 -04:00
target_core_xcopy.c scsi: target: Introduce transport_init_session() 2018-07-02 16:44:31 -04:00
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