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authorrwatson <rwatson@FreeBSD.org>2004-06-13 02:50:07 +0000
committerrwatson <rwatson@FreeBSD.org>2004-06-13 02:50:07 +0000
commitf1bc833e9552e6874a5343bfd4a0b2999a185b42 (patch)
treeb82bb2c8445f7117f831d6287d086e05ebd1953e /sys/netinet/tcp_reass.c
parentb173c880aa20391adf396c098a510e93c583ec02 (diff)
downloadFreeBSD-src-f1bc833e9552e6874a5343bfd4a0b2999a185b42.zip
FreeBSD-src-f1bc833e9552e6874a5343bfd4a0b2999a185b42.tar.gz
Socket MAC labels so_label and so_peerlabel are now protected by
SOCK_LOCK(so): - Hold socket lock over calls to MAC entry points reading or manipulating socket labels. - Assert socket lock in MAC entry point implementations. - When externalizing the socket label, first make a thread-local copy while holding the socket lock, then release the socket lock to externalize to userspace.
Diffstat (limited to 'sys/netinet/tcp_reass.c')
-rw-r--r--sys/netinet/tcp_reass.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/netinet/tcp_reass.c b/sys/netinet/tcp_reass.c
index 6178bfb..04b4d2c 100644
--- a/sys/netinet/tcp_reass.c
+++ b/sys/netinet/tcp_reass.c
@@ -1352,7 +1352,9 @@ after_listen:
tcpstat.tcps_connects++;
soisconnected(so);
#ifdef MAC
+ SOCK_LOCK(so);
mac_set_socket_peer_from_mbuf(m, so);
+ SOCK_UNLOCK(so);
#endif
/* Do window scaling on this connection? */
if ((tp->t_flags & (TF_RCVD_SCALE|TF_REQ_SCALE)) ==
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