------------[ cut here ]------------ WARNING: CPU: 1 PID: 21 at net/batman-adv/bat_iv_ogm.c:412 batadv_iv_send_outstanding_bat_ogm_packet+0x693/0x920 net/batman-adv/bat_iv_ogm.c:1694 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 21 Comm: kworker/u4:1 Not tainted 5.4.0-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:77 [inline] dump_stack+0x96/0xe0 lib/dump_stack.c:118 panic+0x2a1/0x52a kernel/panic.c:221 __warn.cold.10+0x25/0x25 kernel/panic.c:582 report_bug+0x1aa/0x260 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:179 [inline] fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x12d/0x1e0 arch/x86/kernel/traps.c:272 do_invalid_op+0x31/0x40 arch/x86/kernel/traps.c:291 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1028 RIP: 0010:batadv_iv_ogm_emit net/batman-adv/bat_iv_ogm.c:412 [inline] RIP: 0010:batadv_iv_send_outstanding_bat_ogm_packet+0x693/0x920 net/batman-adv/bat_iv_ogm.c:1706 Code: 24 28 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 07 7f 05 e8 25 97 ce f9 45 31 f6 e9 7c fb ff ff <0f> 0b e9 f4 fa ff ff 4c 89 f7 e8 2e 97 ce f9 e9 f8 f9 ff ff e8 04 RSP: 0018:ffff8880b4dcfce8 EFLAGS: 00010286 RAX: dffffc0000000000 RBX: ffff88808a4f1848 RCX: ffff8880a05f0000 RDX: 1ffff11015eb9a0e RSI: 0000000000000004 RDI: ffff8880af5cd070 RBP: ffff8880a05f0000 R08: 0000000000000000 R09: ffffed10140be169 R10: ffffed10140be168 R11: ffff8880a05f0b43 R12: ffff88808a4f1800 R13: ffff88808a4f18e0 R14: ffff8880af5cd000 R15: ffff8880a08b9000 process_one_work+0x8ca/0x16c0 kernel/workqueue.c:2269 worker_thread+0x82/0xb50 kernel/workqueue.c:2415 kthread+0x31d/0x3e0 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Kernel Offset: disabled Rebooting in 86400 seconds..