Messages in this thread Patch in this message | | | Date | Sun, 14 Nov 2004 18:13:11 +0000 | From | Ross Kendall Axe <> | Subject | [PATCH] linux 2.9.10-rc1: Fix oops in unix_dgram_sendmsg when using SELinux and SOCK_SEQPACKET |
| |
With CONFIG_SECURITY_NETWORK=y and CONFIG_SECURITY_SELINUX=y, using SOCK_SEQPACKET unix domain sockets causes an oops in the superfluous(?) call to security_unix_may_send in sock_dgram_sendmsg. This patch avoids making this call for SOCK_SEQPACKET sockets.
Signed-off-by: Ross Axe <ross.axe@blueyonder.co.uk>
--- linux-2.6.10-rc1/net/unix/af_unix.c.orig 2004-11-13 21:04:53.000000000 +0000 +++ linux-2.6.10-rc1/net/unix/af_unix.c 2004-11-13 21:12:23.000000000 +0000 @@ -1354,9 +1354,11 @@ restart: if (other->sk_shutdown & RCV_SHUTDOWN) goto out_unlock;
- err = security_unix_may_send(sk->sk_socket, other->sk_socket); - if (err) - goto out_unlock; + if (sk->sk_type != SOCK_SEQPACKET) { + err = security_unix_may_send(sk->sk_socket, other->sk_socket); + if (err) + goto out_unlock; + }
if (unix_peer(other) != sk && (skb_queue_len(&other->sk_receive_queue) > [unhandled content-type:application/pgp-signature] | |