------------[ cut here ]------------
WARNING: CPU: 1 PID: 440 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: 440 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: 440 Comm: kworker/u4:5 Not tainted 5.13.0-rc2-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 ec 3a 08 f9 45 31 e4 e9 b2 fa ff ff e8 af 39 c3 f8 <0f> 0b e9 0d fa ff ff 4c 89 e7 e8 f0 3a 08 f9 e9 d3 f8 ff ff e8 c6
RSP: 0018:ffffc900015afc90 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88803079d848 RCX: 0000000000000000
RDX: ffff888016828000 RSI: ffffffff88b19ce1 RDI: ffff888020de0868
RBP: ffff88807ab80000 R08: 0000000000000002 R09: ffff88807ab80c03
R10: ffffffff88b195e2 R11: 0000000000000000 R12: ffff888015bf4000
R13: ffff88807ab80000 R14: ffff888020de0800 R15: ffff88803079d800
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f29a51b5090 CR3: 0000000068cbf000 CR4: 0000000000350ee0
Call Trace:
 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
 kthread+0x3b1/0x4a0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 440 Comm: kworker/u4:5 Not tainted 5.13.0-rc2-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
Call Trace:
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x141/0x1d7 lib/dump_stack.c:120
 panic+0x306/0x73d kernel/panic.c:231
 __warn.cold+0x35/0x44 kernel/panic.c:605
 report_bug+0x1bd/0x210 lib/bug.c:199
 handle_bug+0x3c/0x60 arch/x86/kernel/traps.c:239
 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:259
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:575
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 ec 3a 08 f9 45 31 e4 e9 b2 fa ff ff e8 af 39 c3 f8 <0f> 0b e9 0d fa ff ff 4c 89 e7 e8 f0 3a 08 f9 e9 d3 f8 ff ff e8 c6
RSP: 0018:ffffc900015afc90 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88803079d848 RCX: 0000000000000000
RDX: ffff888016828000 RSI: ffffffff88b19ce1 RDI: ffff888020de0868
RBP: ffff88807ab80000 R08: 0000000000000002 R09: ffff88807ab80c03
R10: ffffffff88b195e2 R11: 0000000000000000 R12: ffff888015bf4000
R13: ffff88807ab80000 R14: ffff888020de0800 R15: ffff88803079d800
 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
 kthread+0x3b1/0x4a0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Kernel Offset: disabled
Rebooting in 86400 seconds..