------------[ cut here ]------------
WARNING: CPU: 0 PID: 9905 at net/batman-adv/bat_iv_ogm.c:412 batadv_iv_ogm_emit net/batman-adv/bat_iv_ogm.c:412 [inline]
WARNING: CPU: 0 PID: 9905 at net/batman-adv/bat_iv_ogm.c:412 batadv_iv_send_outstanding_bat_ogm_packet+0x7c1/0x920 net/batman-adv/bat_iv_ogm.c:1711
Modules linked in:
CPU: 0 PID: 9905 Comm: kworker/u4:6 Not tainted 5.13.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
RIP: 0010:batadv_iv_ogm_emit net/batman-adv/bat_iv_ogm.c:412 [inline]
RIP: 0010:batadv_iv_send_outstanding_bat_ogm_packet+0x7c1/0x920 net/batman-adv/bat_iv_ogm.c:1711
Code: 48 83 eb 20 48 89 da 48 c1 ea 03 0f b6 04 02 84 c0 74 0a 7f 08 48 89 df e8 9c 1d 08 f9 45 31 e4 e9 b2 fa ff ff e8 bf 13 c3 f8 <0f> 0b e9 0d fa ff ff 4c 89 e7 e8 a0 1d 08 f9 e9 d3 f8 ff ff e8 76
RSP: 0018:ffffc9000d52fc90 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88802ae96c48 RCX: 0000000000000000
RDX: ffff888025c454c0 RSI: ffffffff88b1c8d1 RDI: ffff88802ce83068
RBP: ffff888076074000 R08: 0000000000000002 R09: ffff888076074c03
R10: ffffffff88b1c1d2 R11: 0000000000000000 R12: ffff888023db7800
R13: ffff888076074000 R14: ffff88802ce83000 R15: ffff88802ae96c00
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdb04b56018 CR3: 00000000139f6000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 process_one_work+0x98d/0x1600 kernel/workqueue.c:2276
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2422
 kthread+0x3b1/0x4a0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294