File openssh-7.2p2-audit_fixes.patch of Package openssh.4049

# HG changeset patch
# Parent  2d146b07712490b4301a7a9feae65a509223cfb7
Various auditing fixes to be merged into the RH-originated patch.

diff --git a/openssh-7.2p2/packet.c b/openssh-7.2p2/packet.c
--- a/openssh-7.2p2/packet.c
+++ b/openssh-7.2p2/packet.c
@@ -375,16 +375,20 @@ ssh_packet_start_discard(struct ssh *ssh
 
 int
 ssh_packet_connection_is_on_socket(struct ssh *ssh)
 {
 	struct session_state *state = ssh->state;
 	struct sockaddr_storage from, to;
 	socklen_t fromlen, tolen;
 
+    /* auditing might get here without valid connection structure when
+     * destroying sensitive data on exit and thus aborting disgracefully */
+	if (!ssh)
+		return 0;
 	/* filedescriptors in and out are the same, so it's a socket */
 	if (state->connection_in == state->connection_out)
 		return 1;
 	fromlen = sizeof(from);
 	memset(&from, 0, sizeof(from));
 	if (getpeername(state->connection_in, (struct sockaddr *)&from,
 	    &fromlen) < 0)
 		return 0;