1 files changed, 33 insertions, 0 deletions
diff --git a/net/libpcap/files/patch-gencode.c b/net/libpcap/files/patch-gencode.c
new file mode 100644
index 000000000000..8d439e20edb9
--- /dev/null
+++ b/net/libpcap/files/patch-gencode.c
@@ -0,0 +1,33 @@
+diff --git a/gencode.c b/gencode.c
+index bdc35e64..040a5531 100644
+--- gencode.c
++++ gencode.c
+@@ -6947,11 +6947,15 @@ gen_mcode(compiler_state_t *cstate, const char *s1, const char *s2,
+ 		return (NULL);
+ 
+ 	nlen = __pcap_atoin(s1, &n);
++	if (nlen < 0)
++		bpf_error(cstate, "invalid IPv4 address '%s'", s1);
+ 	/* Promote short ipaddr */
+ 	n <<= 32 - nlen;
+ 
+ 	if (s2 != NULL) {
+ 		mlen = __pcap_atoin(s2, &m);
++		if (mlen < 0)
++			bpf_error(cstate, "invalid IPv4 address '%s'", s2);
+ 		/* Promote short ipaddr */
+ 		m <<= 32 - mlen;
+ 		if ((n & ~m) != 0)
+@@ -7009,8 +7013,11 @@ gen_ncode(compiler_state_t *cstate, const char *s, bpf_u_int32 v, struct qual q)
+ 		vlen = __pcap_atodn(s, &v);
+ 		if (vlen == 0)
+ 			bpf_error(cstate, "malformed decnet address '%s'", s);
+-	} else
++	} else {
+ 		vlen = __pcap_atoin(s, &v);
++		if (vlen < 0)
++			bpf_error(cstate, "invalid IPv4 address '%s'", s);
++	}
+ 
+ 	switch (q.addr) {
+