diff options
| author | Gilles Chehade <gilles@cvs.openbsd.org> | 2015-01-30 16:41:44 +0000 |
|---|---|---|
| committer | Gilles Chehade <gilles@cvs.openbsd.org> | 2015-01-30 16:41:44 +0000 |
| commit | c172c1babcbfda1c356956295775be16fd469cf1 (patch) | |
| tree | 4dec3f41f3054b815e1e999a11658b570778a1ea /lib/libc/asr/getaddrinfo_async.c | |
| parent | 0afc3e6e67cbd8ecf3cf6702cc1d179fa66b7666 (diff) | |
fix a possible NULL-deref when trying to deref ifa->ifa_addr
ok eric@
Diffstat (limited to 'lib/libc/asr/getaddrinfo_async.c')
| -rw-r--r-- | lib/libc/asr/getaddrinfo_async.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/libc/asr/getaddrinfo_async.c b/lib/libc/asr/getaddrinfo_async.c index 162759f80de..0b8b5e71fee 100644 --- a/lib/libc/asr/getaddrinfo_async.c +++ b/lib/libc/asr/getaddrinfo_async.c @@ -1,4 +1,4 @@ -/* $OpenBSD: getaddrinfo_async.c,v 1.32 2015/01/14 23:36:15 deraadt Exp $ */ +/* $OpenBSD: getaddrinfo_async.c,v 1.33 2015/01/30 16:41:43 gilles Exp $ */ /* * Copyright (c) 2012 Eric Faurot <eric@openbsd.org> * @@ -218,6 +218,8 @@ getaddrinfo_async_run(struct asr_query *as, struct asr_result *ar) for (ifa = ifa0; ifa != NULL; ifa = ifa->ifa_next) { if (ifa->ifa_flags & IFF_LOOPBACK) continue; + if (ifa->ifa_addr == NULL) + continue; if (ifa->ifa_addr->sa_family == PF_INET) v4 = 1; else if (ifa->ifa_addr->sa_family == PF_INET6 && |