diff options
| -rw-r--r-- | sys/src/libip/parseip.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/src/libip/parseip.c b/sys/src/libip/parseip.c index 7856b4a6c..9f5d5dac7 100644 --- a/sys/src/libip/parseip.c +++ b/sys/src/libip/parseip.c @@ -74,6 +74,10 @@ parseip(uchar *to, char *from) op = p; x = strtoul(p, &p, 16); if(*p == '.' || (*p == 0 && i == 0)){ /* ends with v4? */ + if(i > IPaddrlen-4){ + memset(to, 0, IPaddrlen); + return -1; /* parse error */ + } p = v4parseip(to+i, op); i += 4; break; |