IPVS: stopping backup sync thread 26285 ...
batadv0: left promiscuous mode
veth0: left promiscuous mode
hsr_slave_0: left promiscuous mode
hsr0: left allmulticast mode
IPVS: stop unused estimator thread 0...
------------[ cut here ]------------
WARNING: CPU: 1 PID: 12 at net/xfrm/xfrm_state.c:3306 xfrm_state_fini+0x26d/0x2f0
Modules linked in:
CPU: 1 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: netns cleanup_net
RIP: 0010:xfrm_state_fini+0x26d/0x2f0
Code: c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 bb e8 fe f7 48 8b 3b 5b 41 5c 41 5d 41 5e 41 5f 5d e9 e9 99 df f7 e8 f4 66 9b f7 90 <0f> 0b 90 e9 fd fd ff ff e8 e6 66 9b f7 90 0f 0b 90 e9 60 fe ff ff
RSP: 0018:ffffc900000f7898 EFLAGS: 00010293
RAX: ffffffff8a2447cc RBX: ffff88810a532380 RCX: ffff88801c2f5640
RDX: 0000000000000000 RSI: ffffffff8dba022c RDI: ffff88801c2f5640
RBP: ffffc900000f79b0 R08: ffffffff8fa30637 R09: 1ffffffff1f460c6
R10: dffffc0000000000 R11: fffffbfff1f460c7 R12: ffffffff8f634040
R13: 1ffff9200001ef40 R14: ffff88810a533800 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881a3c39000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb17e717440 CR3: 000000000df36000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 xfrm_net_exit+0x2d/0x70
 ops_undo_list+0x49a/0x990
 cleanup_net+0x4c5/0x800
 process_scheduled_works+0xae1/0x17b0
 worker_thread+0x8a0/0xda0
 kthread+0x711/0x8a0
 ret_from_fork+0x439/0x7d0
 ret_from_fork_asm+0x1a/0x30
 </TASK>
