linux/drivers/target/iscsi
Mike Christie 70d0ea3ee6 iscsi target: fix session creation failure handling
commit 26abc916a8 upstream.

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.

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>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
History 2018-12-16 22:08:50 +00:00
..
iscsi_target.c iscsi-target: Fix non-immediate TMR reference leak 2018-02-13 18:42:18 +00:00
iscsi_target.h iscsi/iser-target: Convert to command priv_size usage 2013-09-09 14:29:21 -07:00
iscsi_target_auth.c scsi: target: iscsi: Use hex2bin instead of a re-implementation 2018-10-03 04:10:08 +01:00
iscsi_target_auth.h iscsi-target: Fix CHAP_A parameter list handling 2014-06-05 19:44:02 -07:00
iscsi_target_configfs.c iscsi-target: Add login_keys_workaround attribute for non RFC initiators 2017-10-12 15:28:04 +01:00
iscsi_target_configfs.h iscsi-target: Add iSCSI fabric support for target v4.1 2011-07-26 09:16:43 +00:00
iscsi_target_core.h iscsi-target: Fix iscsi_np reset hung task during parallel delete 2017-11-11 13:33:16 +00:00
iscsi_target_datain_values.c target: Update copyright ownership/year information to 2013 2013-09-10 20:23:36 -07:00
iscsi_target_datain_values.h iscsi-target: Add iSCSI fabric support for target v4.1 2011-07-26 09:16:43 +00:00
iscsi_target_device.c iscsi-target: Fix mutex_trylock usage in iscsit_increment_maxcmdsn 2013-11-12 17:54:56 -08:00
iscsi_target_device.h target/iscsi: Remove unneeded wrapper functions 2012-02-25 14:37:47 -08:00
iscsi_target_erl0.c iscsi-target: Always wait for kthread_should_stop() before kthread exit 2017-09-15 18:29:53 +01:00
iscsi_target_erl0.h iscsi-target: Always wait for kthread_should_stop() before kthread exit 2017-09-15 18:29:53 +01:00
iscsi_target_erl1.c iscsi-target: Fix SNACK Type 1 + BegRun=0 handling 2014-02-12 15:11:17 -08:00
iscsi_target_erl1.h iscsit: use the itt_t abstract type 2012-10-03 14:21:50 -07:00
iscsi_target_erl2.c iscsi/iser-target: Use list_del_init for ->i_conn_node 2014-03-04 17:54:09 -08:00
iscsi_target_erl2.h iscsit: proper endianess conversions 2012-10-03 14:39:22 -07:00
iscsi_target_login.c iscsi target: fix session creation failure handling 2018-12-16 22:08:50 +00:00
iscsi_target_login.h iscsi-target: Fix iscsit_start_kthreads failure OOPs 2015-08-20 19:58:05 +01:00
iscsi_target_nego.c iscsi-target: Add login_keys_workaround attribute for non RFC initiators 2017-10-12 15:28:04 +01:00
iscsi_target_nego.h iscsi-target: Initial traditional TCP conversion to iscsit_transport 2013-04-25 01:05:26 -07:00
iscsi_target_nodeattrib.c iscsi-target: Expose default_erl as TPG attribute 2013-11-20 11:57:18 -08:00
iscsi_target_nodeattrib.h iscsi-target: Expose default_erl as TPG attribute 2013-11-20 11:57:18 -08:00
iscsi_target_parameters.c iscsi-target: Add login_keys_workaround attribute for non RFC initiators 2017-10-12 15:28:04 +01:00
iscsi_target_parameters.h iscsi-target: Add login_keys_workaround attribute for non RFC initiators 2017-10-12 15:28:04 +01:00
iscsi_target_seq_pdu_list.c target: Update copyright ownership/year information to 2013 2013-09-10 20:23:36 -07:00
iscsi_target_seq_pdu_list.h target/iscsi: Fold _decide_list_to_build into _build_pdu_and_seq_lists 2012-04-14 17:40:38 -07:00
iscsi_target_stat.c iscsi-target: Convert iscsi_session statistics to atomic_long_t 2013-11-19 21:38:52 -08:00
iscsi_target_stat.h iscsi-target: Add iSCSI fabric support for target v4.1 2011-07-26 09:16:43 +00:00
iscsi_target_tmr.c target: Update copyright ownership/year information to 2013 2013-09-10 20:23:36 -07:00
iscsi_target_tmr.h iscsi-target: Add iSCSI fabric support for target v4.1 2011-07-26 09:16:43 +00:00
iscsi_target_tpg.c scsi: target/iscsi: Make iscsit_ta_authentication() respect the output buffer size 2018-12-16 22:08:08 +00:00
iscsi_target_tpg.h iscsi-target: Add login_keys_workaround attribute for non RFC initiators 2017-10-12 15:28:04 +01:00
iscsi_target_tq.c iscsi-target: Drop problematic active_ts_list usage 2015-03-02 13:17:18 +00:00
iscsi_target_tq.h iscsi-target: Add thread_set->ts_activate_sem + use common deallocate 2013-09-10 20:23:05 -07:00
iscsi_target_transport.c iscsi-target: Add iscsit_transport API template 2013-04-25 01:05:26 -07:00
iscsi_target_util.c iscsi-target: Fix TMR reference leak during session shutdown 2017-07-18 18:40:26 +01:00
iscsi_target_util.h target: Add TFO->abort_task for aborted task resources release 2014-04-07 01:48:51 -07:00
Kconfig target: iscsi_target depends on NET 2011-07-28 20:16:18 +00:00
Makefile iscsi-target: Add iscsit_transport API template 2013-04-25 01:05:26 -07:00