diff options
| author | Claudio Jeker <claudio@cvs.openbsd.org> | 2009-06-17 15:31:24 +0000 |
|---|---|---|
| committer | Claudio Jeker <claudio@cvs.openbsd.org> | 2009-06-17 15:31:24 +0000 |
| commit | 3d6ef233ef24e57be4aab741699e91ab79d9eeb4 (patch) | |
| tree | 9b4c3ea0a7810c4c416f394daf30ac70435f3cc7 | |
| parent | 54d1ac96e22c710154e3d0392706564a022ecaf7 (diff) | |
Check for the correct RTM_VERSION before accessing anything in the rt message.
Fixes a SIGBUS seen on alpha by naddy@. OK naddy@, deraadt@
| -rw-r--r-- | usr.sbin/ndp/ndp.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/usr.sbin/ndp/ndp.c b/usr.sbin/ndp/ndp.c index bbe30506ee4..e77c5194803 100644 --- a/usr.sbin/ndp/ndp.c +++ b/usr.sbin/ndp/ndp.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ndp.c,v 1.43 2009/06/05 22:40:24 chris Exp $ */ +/* $OpenBSD: ndp.c,v 1.44 2009/06/17 15:31:23 claudio Exp $ */ /* $KAME: ndp.c,v 1.101 2002/07/17 08:46:33 itojun Exp $ */ /* @@ -607,6 +607,8 @@ again:; int isrouter = 0, prbs = 0; rtm = (struct rt_msghdr *)next; + if (rtm->rtm_version != RTM_VERSION) + continue; sin = (struct sockaddr_in6 *)(next + rtm->rtm_hdrlen); sdl = (struct sockaddr_dl *)((char *)sin + ROUNDUP(sin->sin6_len)); |