------------[ cut here ]------------
WARNING: CPU: 1 PID: 10485 at net/batman-adv/bat_iv_ogm.c:412 batadv_iv_ogm_emit net/batman-adv/bat_iv_ogm.c:412 [inline]
WARNING: CPU: 1 PID: 10485 at net/batman-adv/bat_iv_ogm.c:412 batadv_iv_send_outstanding_bat_ogm_packet+0x767/0x820 net/batman-adv/bat_iv_ogm.c:1711
Modules linked in:
CPU: 1 PID: 10485 Comm: kworker/u4:7 Not tainted 5.13.0-rc4-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+0x767/0x820 net/batman-adv/bat_iv_ogm.c:1711
Code: 41 5c 41 5d 41 5e 41 5f 5d c3 e8 44 c9 e3 f7 4c 8b 74 24 20 e9 27 ff ff ff e8 35 c9 e3 f7 0f 0b e9 17 ff ff ff e8 29 c9 e3 f7 <0f> 0b e9 0b ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 0d f9 ff
RSP: 0018:ffffc90018157bb0 EFLAGS: 00010293
RAX: ffffffff899b41c7 RBX: ffff88802dbcf868 RCX: ffff8880161d54c0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: ffff888019256000 R08: ffffffff899b3afd R09: ffffed100b7a5181
R10: ffffed100b7a5181 R11: 0000000000000000 R12: ffff88805bd28000
R13: ffff88802aa99448 R14: ffff88802aa99400 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc99af2138 CR3: 000000001873c000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 process_one_work+0x833/0x10c0 kernel/workqueue.c:2276
 worker_thread+0xac1/0x1300 kernel/workqueue.c:2422
 kthread+0x39a/0x3c0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294