diff options
| -rw-r--r-- | lib/libc/net/gethostbydns.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/libc/net/gethostbydns.c b/lib/libc/net/gethostbydns.c index a77b65d..a5a3e7b 100644 --- a/lib/libc/net/gethostbydns.c +++ b/lib/libc/net/gethostbydns.c @@ -664,6 +664,10 @@ _gethostbydnsaddr(addr, len, af) dprintf("res_query failed (%d)\n", n); return (NULL); } + if (n > sizeof buf.buf) { + dprintf("static buffer is too small (%d)\n", n); + return (NULL); + } if (!(hp = gethostanswer(&buf, n, qbuf, T_PTR))) return (NULL); /* h_errno was set by gethostanswer() */ #ifdef SUNSECURITY |
