[Scst-svn] SF.net SVN: scst:[7190] trunk/scst/src/scst_targ.c

[<vl...@us...>]

Revision: 7190
          http://sourceforge.net/p/scst/svn/7190
Author:   vlnb
Date:     2017-05-20 03:00:28 +0000 (Sat, 20 May 2017)
Log Message:
-----------
scst: fix possible NULL dereference in TM code

TM command accessing a non-existing LUN might lead NULL dereference in
scst_call_dev_task_mgmt_fn_done().

Reported-By: <Ilan Steinberg <ila...@ka...>>

Modified Paths:
--------------
    trunk/scst/src/scst_targ.c

Modified: trunk/scst/src/scst_targ.c
===================================================================
--- trunk/scst/src/scst_targ.c	2017-05-20 02:04:16 UTC (rev 7189)
+++ trunk/scst/src/scst_targ.c	2017-05-20 03:00:28 UTC (rev 7190)
@@ -7393,7 +7393,8 @@
 	case SCST_CLEAR_TASK_SET:
 	case SCST_PR_ABORT_ALL:
 	case SCST_LUN_RESET:
-		scst_call_dev_task_mgmt_fn_done(mcmd, mcmd->mcmd_tgt_dev);
+		if (mcmd->mcmd_tgt_dev != NULL)
+			scst_call_dev_task_mgmt_fn_done(mcmd, mcmd->mcmd_tgt_dev);
 		break;
 
 	case SCST_TARGET_RESET:

This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.