git: 22d80d2226e0 - stable/14 - tcp: stop stack timers in tcp_switch_back_to_default()

The branch stable/14 has been updated by glebius:

URL: https://cgit.FreeBSD.org/src/commit/?id=22d80d2226e0c762d192d545068086c68071b36f

commit 22d80d2226e0c762d192d545068086c68071b36f
Author:     Gleb Smirnoff <glebius@FreeBSD.org>
AuthorDate: 2023-12-07 22:41:36 +0000
Commit:     Gleb Smirnoff <glebius@FreeBSD.org>
CommitDate: 2024-01-16 18:47:49 +0000

    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
    
    (cherry picked from commit ade05d63b727d5e8d0d833c1d974a9d50d4cb1bb)
---
 sys/netinet/tcp_subr.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sys/netinet/tcp_subr.c b/sys/netinet/tcp_subr.c
index 023078d1d4f9..4e28f7917bdf 100644
--- a/sys/netinet/tcp_subr.c
+++ b/sys/netinet/tcp_subr.c
@@ -544,6 +544,9 @@ 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