Date: Mon, 7 Jul 2025 16:34:37 GMT From: Michael Tuexen <tuexen@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 96f544bcc1cb - main - tcp: don't allow to connect a TCP/IPv6 endpoint in TIME WAIT state Message-ID: <202507071634.567GYbQt086854@gitrepo.freebsd.org>
next in thread | raw e-mail | index | archive | help
The branch main has been updated by tuexen: URL: https://cgit.FreeBSD.org/src/commit/?id=96f544bcc1cb641ab096812c168ebe9136e78c15 commit 96f544bcc1cb641ab096812c168ebe9136e78c15 Author: Michael Tuexen <tuexen@FreeBSD.org> AuthorDate: 2025-07-07 16:29:35 +0000 Commit: Michael Tuexen <tuexen@FreeBSD.org> CommitDate: 2025-07-07 16:29:35 +0000 tcp: don't allow to connect a TCP/IPv6 endpoint in TIME WAIT state This ensures the TCP/IPv4 and TCP/IPv6 behave the same. Reported by: syzbot+4de353ba85dac4dcb1ab@syzkaller.appspotmail.com Reviewed by: Peter Lei MFC after: 1 week Sponsored by: Netflix, Inc. Differential Revision: https://reviews.freebsd.org/D51125 --- sys/netinet/tcp_usrreq.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sys/netinet/tcp_usrreq.c b/sys/netinet/tcp_usrreq.c index 3ea561e63503..687b0d538666 100644 --- a/sys/netinet/tcp_usrreq.c +++ b/sys/netinet/tcp_usrreq.c @@ -1520,7 +1520,8 @@ tcp6_connect(struct tcpcb *tp, struct sockaddr_in6 *sin6, struct thread *td) INP_WLOCK_ASSERT(inp); if (__predict_false((so->so_state & - (SS_ISCONNECTING | SS_ISCONNECTED)) != 0)) + (SS_ISCONNECTING | SS_ISCONNECTED | SS_ISDISCONNECTING | + SS_ISDISCONNECTED)) != 0)) return (EISCONN); if (__predict_false((so->so_options & SO_REUSEPORT_LB) != 0)) return (EOPNOTSUPP);
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?202507071634.567GYbQt086854>