[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.49' (ECDSA) to the list of known hosts. syzkaller login: [ 46.833061][ T6791] IPVS: ftp: loaded support on port[0] = 21 [ 46.853671][ T6796] IPVS: ftp: loaded support on port[0] = 21 [ 46.857179][ T6793] IPVS: ftp: loaded support on port[0] = 21 [ 46.869958][ T6797] IPVS: ftp: loaded support on port[0] = 21 [ 46.873420][ T6795] IPVS: ftp: loaded support on port[0] = 21 [ 46.877318][ T6794] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 50.325080][ T5] ------------[ cut here ]------------ [ 50.356202][ T5] Unexpected user alpha2: A executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 50.375179][ T5] WARNING: CPU: 0 PID: 5 at net/wireless/reg.c:420 restore_regulatory_settings+0x338/0x2690 executing program executing program executing program executing program executing program executing program executing program [ 50.443636][ T5] Kernel panic - not syncing: panic_on_warn set ... [ 50.450278][ T5] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.8.0-rc5-syzkaller #0 [ 50.458352][ T5] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.468417][ T5] Workqueue: events_power_efficient crda_timeout_work [ 50.475193][ T5] Call Trace: [ 50.478485][ T5] dump_stack+0x1f0/0x31e [ 50.482830][ T5] panic+0x264/0x7a0 [ 50.486730][ T5] ? __warn+0x102/0x250 executing program executing program executing program executing program executing program [ 50.490889][ T5] ? restore_regulatory_settings+0x338/0x2690 [ 50.496955][ T5] ? restore_regulatory_settings+0x338/0x2690 [ 50.503019][ T5] __warn+0x227/0x250 [ 50.507008][ T5] ? restore_regulatory_settings+0x338/0x2690 [ 50.513073][ T5] report_bug+0x1b1/0x2e0 [ 50.517403][ T5] handle_bug+0x42/0x80 [ 50.521559][ T5] exc_invalid_op+0x16/0x40 [ 50.526060][ T5] asm_exc_invalid_op+0x12/0x20 [ 50.530906][ T5] RIP: 0010:restore_regulatory_settings+0x338/0x2690 executing program executing program executing program executing program [ 50.537573][ T5] Code: 94 04 88 44 24 05 e9 58 01 00 00 e8 d2 69 d2 f9 0f be 74 24 10 0f be 15 7b 04 94 04 48 c7 c7 8d 26 2b 89 31 c0 e8 78 2d a4 f9 <0f> 0b 48 8b 1d 4f dd e0 01 48 85 db 48 b9 00 00 00 00 00 fc ff df [ 50.557179][ T5] RSP: 0018:ffffc90000cbfc58 EFLAGS: 00010246 [ 50.563245][ T5] RAX: 395393cac3acf900 RBX: 0000000000000000 RCX: ffff8880a99a2140 [ 50.571218][ T5] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 50.579332][ T5] RBP: 0000000000000001 R08: ffffffff815dd419 R09: ffffed1015d062c0 executing program executing program executing program executing program executing program [ 50.587314][ T5] R10: ffffed1015d062c0 R11: 0000000000000000 R12: ffff8880a9963a00 [ 50.595728][ T5] R13: ffff8880a9963a18 R14: dffffc0000000000 R15: ffff8880ae8350c0 [ 50.603726][ T5] ? vprintk_emit+0x339/0x3c0 [ 50.608588][ T5] ? restore_regulatory_settings+0x338/0x2690 [ 50.614670][ T5] crda_timeout_work+0x1c/0x30 [ 50.619446][ T5] process_one_work+0x789/0xfc0 [ 50.624408][ T5] worker_thread+0xaa4/0x1460 [ 50.629106][ T5] kthread+0x37e/0x3a0 [ 50.633176][ T5] ? rcu_lock_release+0x20/0x20 [ 50.638020][ T5] ? kthread_blkcg+0xd0/0xd0 [ 50.642609][ T5] ret_from_fork+0x1f/0x30 [ 50.648715][ T5] Kernel Offset: disabled [ 50.653093][ T5] Rebooting in 86400 seconds..