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-rw-r--r--gencode.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/gencode.c b/gencode.c
index e3425cd9eb95..3fc97775daed 100644
--- a/gencode.c
+++ b/gencode.c
@@ -6955,11 +6955,15 @@ 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)
@@ -7017,8 +7021,11 @@ 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) {