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Index: sys/netinet/in_mcast.c
===================================================================
--- sys/netinet/in_mcast.c (revision 254252)
+++ sys/netinet/in_mcast.c (working copy)
@@ -1648,6 +1648,8 @@
* has asked for, but we always tell userland how big the
* buffer really needs to be.
*/
+ if (msfr.msfr_nsrcs > in_mcast_maxsocksrc)
+ msfr.msfr_nsrcs = in_mcast_maxsocksrc;
tss = NULL;
if (msfr.msfr_srcs != NULL && msfr.msfr_nsrcs > 0) {
tss = malloc(sizeof(struct sockaddr_storage) * msfr.msfr_nsrcs,
Index: sys/netinet6/in6_mcast.c
===================================================================
--- sys/netinet6/in6_mcast.c (revision 254252)
+++ sys/netinet6/in6_mcast.c (working copy)
@@ -1625,6 +1625,8 @@
* has asked for, but we always tell userland how big the
* buffer really needs to be.
*/
+ if (msfr.msfr_nsrcs > in6_mcast_maxsocksrc)
+ msfr.msfr_nsrcs = in6_mcast_maxsocksrc;
tss = NULL;
if (msfr.msfr_srcs != NULL && msfr.msfr_nsrcs > 0) {
tss = malloc(sizeof(struct sockaddr_storage) * msfr.msfr_nsrcs,
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