The branch stable/14 has been updated by tuexen: URL: https://cgit.FreeBSD.org/src/commit/?id=5632dd45cc10ec75f9ba679b9b985c82b7a40267
commit 5632dd45cc10ec75f9ba679b9b985c82b7a40267 Author: Michael Tuexen <[email protected]> AuthorDate: 2024-06-27 05:25:15 +0000 Commit: Michael Tuexen <[email protected]> CommitDate: 2024-08-03 22:49:33 +0000 tcp: improve error handling in syncache_socket() If syncache_socket() fails after calling tcp_newtcpcb(), the resources allocated in tcp_newtcpcb() needs to be freed. Just call tcp_discardcb() to do this. Thanks to jtl for making me aware of the issue and proposing a fix. Reviewed by: glebius, jtl, rscheff MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D45749 (cherry picked from commit 3703e1a73e0e0367c04f47f793e46495e46e647b) --- sys/netinet/tcp_syncache.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sys/netinet/tcp_syncache.c b/sys/netinet/tcp_syncache.c index 20c77930556e..21dfe8dd123e 100644 --- a/sys/netinet/tcp_syncache.c +++ b/sys/netinet/tcp_syncache.c @@ -1050,6 +1050,7 @@ allocfail: return (NULL); abort: + tcp_discardcb(tp); in_pcbfree(inp); sodealloc(so); if ((s = tcp_log_addrs(&sc->sc_inc, NULL, NULL, NULL))) {
