Module Name:    src
Committed By:   maxv
Date:           Thu Feb  8 11:49:37 UTC 2018

Modified Files:
        src/sys/netinet6: udp6_usrreq.c

Log Message:
pr_send can be given a NULL lwp. It looks like the

        control != NULL && lwp == NULL

condition is never supposed to happen, but add a panic for safety.


To generate a diff of this commit:
cvs rdiff -u -r1.132 -r1.133 src/sys/netinet6/udp6_usrreq.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/netinet6/udp6_usrreq.c
diff -u src/sys/netinet6/udp6_usrreq.c:1.132 src/sys/netinet6/udp6_usrreq.c:1.133
--- src/sys/netinet6/udp6_usrreq.c:1.132	Thu Feb  8 11:34:35 2018
+++ src/sys/netinet6/udp6_usrreq.c	Thu Feb  8 11:49:37 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: udp6_usrreq.c,v 1.132 2018/02/08 11:34:35 maxv Exp $ */
+/* $NetBSD: udp6_usrreq.c,v 1.133 2018/02/08 11:49:37 maxv Exp $ */
 /* $KAME: udp6_usrreq.c,v 1.86 2001/05/27 17:33:00 itojun Exp $ */
 /* $KAME: udp6_output.c,v 1.43 2001/10/15 09:19:52 itojun Exp $ */
 
@@ -63,7 +63,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: udp6_usrreq.c,v 1.132 2018/02/08 11:34:35 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: udp6_usrreq.c,v 1.133 2018/02/08 11:49:37 maxv Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -708,6 +708,9 @@ udp6_output(struct in6pcb * const in6p, 
 	}
 
 	if (control) {
+		if (__predict_false(l == NULL)) {
+			panic("%s: control but no lwp", __func__);
+		}
 		if ((error = ip6_setpktopts(control, &opt,
 		    in6p->in6p_outputopts, l->l_cred, IPPROTO_UDP)) != 0)
 			goto release;

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