On Sat, 29 Oct 2022 07:52:41 -0700 Guenter Roeck <linux@xxxxxxxxxxxx> wrote: > With the diffs I sent earlier applied, the warning still seen is > > WARNING: CPU: 0 PID: 9 at lib/debugobjects.c:502 debug_print_object+0xd0/0x100 > ODEBUG: free active (active state 0) object type: timer_list hint: neigh_timer_handler+0x0/0x480 > > That happens with almost every test, so I may have missed some others > in the noise. Can you add this? -- Steve diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 3c4786b99907..3e2586c72c7e 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -895,6 +895,8 @@ void neigh_destroy(struct neighbour *neigh) if (neigh_del_timer(neigh)) pr_warn("Impossible event\n"); + del_timer_try_shutdown(&neigh->timer); + write_lock_bh(&neigh->lock); __skb_queue_purge(&neigh->arp_queue); write_unlock_bh(&neigh->lock);