------------[ cut here ]------------
WARNING: CPU: 1 PID: 11037 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: 11037 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: 1 PID: 11037 Comm: kworker/u4:11 Not tainted 5.13.0-rc3-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 0c 76 06 f9 45 31 e4 e9 b2 fa ff ff e8 3f 2f c1 f8 <0f> 0b e9 0d fa ff ff 4c 89 e7 e8 10 76 06 f9 e9 d3 f8 ff ff e8 e6
RSP: 0018:ffffc90002ea7c90 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888015b89c48 RCX: 0000000000000000
RDX: ffff88806b053880 RSI: ffffffff88b3ad51 RDI: ffff88801e299068
RBP: ffff888066848000 R08: 0000000000000002 R09: ffff888066848c03
R10: ffffffff88b3a652 R11: 0000000000000000 R12: ffff88801d711000
R13: ffff888066848000 R14: ffff88801e299000 R15: ffff888015b89c00
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd29e6c9000 CR3: 0000000064b9a000 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