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-rw-r--r--security/smack/smack_lsm.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index aff8397e8c7e..91750205a5de 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -28,6 +28,7 @@
#include <linux/tcp.h>
#include <linux/udp.h>
#include <linux/dccp.h>
+#include <linux/icmpv6.h>
#include <linux/slab.h>
#include <linux/mutex.h>
#include <linux/pipe_fs_i.h>
@@ -4009,6 +4010,9 @@ access_check:
#ifdef SMACK_IPV6_PORT_LABELING
rc = smk_ipv6_port_check(sk, &sadd, SMK_RECEIVING);
#endif /* SMACK_IPV6_PORT_LABELING */
+ if (rc != 0)
+ icmpv6_send(skb, ICMPV6_DEST_UNREACH,
+ ICMPV6_ADM_PROHIBITED, 0);
break;
#endif /* CONFIG_IPV6 */
}