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From: Don Lewis <truckman@FreeBSD.org>
Date: Mon, 16 May 2016 04:43:47 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r299894 - head/usr.sbin/ctld
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Author: truckman
Date: Mon May 16 04:43:47 2016
New Revision: 299894
URL: https://svnweb.freebsd.org/changeset/base/299894

Log:
  pdu_delete(request) frees request, so move the call after
  login_new_response(request) to avoid a use-after-free error
  
  Reported by:	Coverity
  Reviewed by:	1331219, 1331220

Modified:
  head/usr.sbin/ctld/login.c

Modified: head/usr.sbin/ctld/login.c
==============================================================================
--- head/usr.sbin/ctld/login.c	Mon May 16 04:39:16 2016	(r299893)
+++ head/usr.sbin/ctld/login.c	Mon May 16 04:43:47 2016	(r299894)
@@ -767,10 +767,10 @@ login_wait_transition(struct connection 
 		login_send_error(request, 0x02, 0x00);
 		log_errx(1, "got no \"T\" flag after answering AuthMethod");
 	}
-	pdu_delete(request);
 
 	log_debugx("got state transition request");
 	response = login_new_response(request);
+	pdu_delete(request);
 	login_set_nsg(response, BHSLR_STAGE_OPERATIONAL_NEGOTIATION);
 	pdu_send(response);
 	pdu_delete(response);