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2e39f1c906
linux/drivers/target/iscsi
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Bart Van Assche 2e39f1c906 scsi: target/iscsi: Make iscsit_map_iovec() more robust 
Make the code for mapping an iovec more robust by checking the bounds of
the allocated iovec. This patch avoids that the following crash occurs if a
map attempt is made that exceeds the bounds of the iovec that is being
mapped:

BUG: unable to handle kernel NULL pointer dereference at 00000000
00000014
RIP: 0010:iscsit_map_iovec+0x120/0x190 [iscsi_target_mod]
Call Trace:
 iscsit_get_rx_pdu+0x8a2/0xe00 [iscsi_target_mod]
 iscsi_target_rx_thread+0x6e/0xa0 [iscsi_target_mod]
 kthread+0x109/0x140

Cc: Mike Christie <mchristi@redhat.com>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-04-12 20:20:06 -04:00
..
cxgbit scsi: target/iscsi: Rename a function and a function pointer 2019-02-04 21:34:49 -05:00
iscsi_target_auth.c scsi: target: iscsi: Use bin2hex instead of a re-implementation 2018-09-21 12:32:30 -04:00
iscsi_target_auth.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
iscsi_target_configfs.c scsi: target/core: Remove the write_pending_status() callback function 2019-02-04 21:23:59 -05:00
iscsi_target_datain_values.c
iscsi_target_datain_values.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
iscsi_target_device.c
iscsi_target_device.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
iscsi_target_erl0.c scsi: target/iscsi: Convert comments about locking into runtime checks 2019-02-04 21:33:08 -05:00
iscsi_target_erl0.h Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-11-13 17:56:58 -08:00
iscsi_target_erl1.c scsi: target/iscsi: Simplify iscsit_dump_data_payload() 2019-02-04 21:36:54 -05:00
iscsi_target_erl1.h Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-11-13 17:56:58 -08:00
iscsi_target_erl2.c scsi: iscsi: target: fix spelling mistake "entires" -> "entries" 2018-09-17 02:32:29 -04:00
iscsi_target_erl2.h scsi: iscsi: target: fix spelling mistake "entires" -> "entries" 2018-09-17 02:32:29 -04:00
iscsi_target_login.c scsi: target: iscsi: Free conn_ops when zalloc_cpumask_var failed 2019-03-20 20:38:07 -04:00
iscsi_target_login.h scsi: iscsi: target: Fix conn_ops double free 2018-08-30 07:07:12 -04:00
iscsi_target_nego.c iscsi-target: make sure to wake up sleeping login worker 2018-01-23 23:03:54 -08:00
iscsi_target_nego.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
iscsi_target_nodeattrib.c
iscsi_target_nodeattrib.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
iscsi_target_parameters.c iSCSI-target: Use common error handling code in iscsi_decode_text_input() 2017-11-04 15:17:49 -07:00
iscsi_target_parameters.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
iscsi_target_seq_pdu_list.c target/iscsi: Define OFFLOAD_BUF_SIZE once 2017-11-04 15:15:46 -07:00
iscsi_target_seq_pdu_list.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
iscsi_target_stat.c scsi: target: use ISCSI_IQN_LEN in iscsi_target_stat 2018-10-16 00:38:36 -04:00
iscsi_target_tmr.c target/iscsi: Fix spelling of "reallegiance" 2017-02-09 00:39:08 -08:00
iscsi_target_tmr.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
iscsi_target_tpg.c scsi: target/iscsi: Make iscsit_ta_authentication() respect the output buffer size 2018-07-02 16:44:31 -04:00
iscsi_target_tpg.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
iscsi_target_transport.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
iscsi_target_util.c scsi: target/iscsi: Handle too large immediate data buffers correctly 2019-04-12 20:20:06 -04:00
iscsi_target_util.h scsi: target: split out helper for cxn timeout error stashing 2018-10-16 00:38:37 -04:00
iscsi_target.c scsi: target/iscsi: Make iscsit_map_iovec() more robust 2019-04-12 20:20:06 -04:00
iscsi_target.h scsi: target/iscsi: Fix spelling of "unsolicited" 2019-02-04 21:33:59 -05:00
Kconfig
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00