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author | Gleb Smirnoff <glebius@FreeBSD.org> | 2023-12-07 22:41:36 +0000 |
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committer | Gleb Smirnoff <glebius@FreeBSD.org> | 2023-12-07 22:41:36 +0000 |
commit | ade05d63b727d5e8d0d833c1d974a9d50d4cb1bb (patch) | |
tree | 2469ee64cc20c05cea802d95dcc4046097493a2e | |
parent | 9101746a6cce90314ad03c7ff06398a5f68d0cc7 (diff) | |
download | src-ade05d63b727d5e8d0d833c1d974a9d50d4cb1bb.tar.gz src-ade05d63b727d5e8d0d833c1d974a9d50d4cb1bb.zip |
tcp: stop stack timers in tcp_switch_back_to_default()
This funcion is an alternative code path that detaches an alternative
TCP stack, missed in d2ef52ef3dee38cccb7f54d33ecc2a4b944dad9d.
Reviewed by: rrs, tuexen
Differential Revision: https://reviews.freebsd.org/D42917
Reported-by: syzbot+186130be9f0ca5557d4e@syzkaller.appspotmail.com
Fixes: d2ef52ef3dee38cccb7f54d33ecc2a4b944dad9d
-rw-r--r-- | sys/netinet/tcp_subr.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/netinet/tcp_subr.c b/sys/netinet/tcp_subr.c index d951b5df938e..c79cadd04944 100644 --- a/sys/netinet/tcp_subr.c +++ b/sys/netinet/tcp_subr.c @@ -542,6 +542,9 @@ tcp_switch_back_to_default(struct tcpcb *tp) KASSERT(tp->t_fb != &tcp_def_funcblk, ("%s: called by the built-in default stack", __func__)); + if (tp->t_fb->tfb_tcp_timer_stop_all != NULL) + tp->t_fb->tfb_tcp_timer_stop_all(tp); + /* * Now, we'll find a new function block to use. * Start by trying the current user-selected |