diff options
| author |   guenther <guenther@openbsd.org> | 2014-01-21 23:57:56 +0000 |
|---|---|---|
| committer | guenther <guenther@openbsd.org> | 2014-01-21 23:57:56 +0000 |
| commit | 1a98afa9d7416dfd2e25149e320237784f61d724 (patch) | |
| tree | 994abb05b0efb671929029ce41fae75c5be3bbc4 | |
| parent | use arc4random for chap generation; ok tedu (diff) | |
| download | wireguard-openbsd-1a98afa9d7416dfd2e25149e320237784f61d724.tar.xz wireguard-openbsd-1a98afa9d7416dfd2e25149e320237784f61d724.zip | |
Don't leak kernel stack in timeval padding in getsockopt(SO_{SND,RCV}TIMEO)
ok mikeb@ deraadt@
| -rw-r--r-- | sys/kern/uipc_socket.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/kern/uipc_socket.c b/sys/kern/uipc_socket.c index 1a6579c454b..9027ce24e4d 100644 --- a/sys/kern/uipc_socket.c +++ b/sys/kern/uipc_socket.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uipc_socket.c,v 1.121 2014/01/11 14:33:48 bluhm Exp $ */ +/* $OpenBSD: uipc_socket.c,v 1.122 2014/01/21 23:57:56 guenther Exp $ */ /* $NetBSD: uipc_socket.c,v 1.21 1996/02/04 02:17:52 christos Exp $ */ /* @@ -1702,6 +1702,7 @@ sogetopt(struct socket *so, int level, int optname, struct mbuf **mp) so->so_snd.sb_timeo : so->so_rcv.sb_timeo); m->m_len = sizeof(struct timeval); + memset(&tv, 0, sizeof(tv)); tv.tv_sec = val / hz; tv.tv_usec = (val % hz) * tick; memcpy(mtod(m, struct timeval *), &tv, sizeof tv); |