On Monday, 1 November 2021 05:01:02 CET Dongliang Mu wrote:

Call Trace:
 __cancel_work_timer+0x1c9/0x280 kernel/workqueue.c:3170
 batadv_v_ogm_free+0x1d/0x50 net/batman-adv/bat_v_ogm.c:1076
 batadv_mesh_free+0x35/0xa0 net/batman-adv/main.c:244
 batadv_mesh_init+0x22a/0x240 net/batman-adv/main.c:226
 batadv_softif_init_late+0x1ad/0x240 net/batman-adv/soft-interface.c:804
 register_netdevice+0x15d/0x810 net/core/dev.c:10229

This is definitely not a backtrace of the current code and its error handling. 
Please check the current code [1] and explain the situation against this 
version.

Kind regards,
	Sven

[1] https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/tree/net/batman-adv/main.c?id=ae0393500e3b0139210749d52d22b29002c20e16#n237