------------[ cut here ]------------ WARNING: CPU: 1 PID: 104 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: 104 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: 104 Comm: kworker/u4:3 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:ffffc9000120fc90 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880169b2048 RCX: 0000000000000000 RDX: ffff88801518b880 RSI: ffffffff88b3ad51 RDI: ffff888020832868 RBP: ffff8880192ec000 R08: 0000000000000002 R09: ffff8880192ecc03 R10: ffffffff88b3a652 R11: 0000000000000000 R12: ffff88806f67c800 R13: ffff8880192ec000 R14: ffff888020832800 R15: ffff8880169b2000 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000005461f8 CR3: 0000000022030000 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