[ 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 '10.128.10.24' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 61.151619][ T3823] ------------[ cut here ]------------ [ 61.157427][ T3823] Unexpected user alpha2: B [ 61.164965][ T3823] WARNING: CPU: 0 PID: 3823 at net/wireless/reg.c:418 restore_regulatory_settings+0x218/0x1360 [ 61.175328][ T3823] Kernel panic - not syncing: panic_on_warn set ... [ 61.181936][ T3823] CPU: 0 PID: 3823 Comm: kworker/0:6 Not tainted 5.7.0-syzkaller #0 [ 61.189930][ T3823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program executing program executing program executing program executing program executing program executing program executing program [ 61.200121][ T3823] Workqueue: events_power_efficient crda_timeout_work [ 61.206889][ T3823] Call Trace: [ 61.210206][ T3823] dump_stack+0x188/0x20d [ 61.214561][ T3823] ? restore_regulatory_settings+0x170/0x1360 [ 61.220645][ T3823] panic+0x2e3/0x75c [ 61.224558][ T3823] ? add_taint.cold+0x16/0x16 [ 61.229357][ T3823] ? __probe_kernel_read+0x188/0x1d0 [ 61.234772][ T3823] ? __warn.cold+0x14/0x35 [ 61.239190][ T3823] ? __warn+0xd5/0x1c8 [ 61.243270][ T3823] ? restore_regulatory_settings+0x218/0x1360 [ 61.249343][ T3823] __warn.cold+0x2f/0x35 [ 61.253593][ T3823] ? irq_work_queue+0xca/0x100 [ 61.258368][ T3823] ? restore_regulatory_settings+0x218/0x1360 [ 61.265227][ T3823] report_bug+0x27b/0x2f0 [ 61.269588][ T3823] do_error_trap+0x12b/0x220 [ 61.274258][ T3823] ? restore_regulatory_settings+0x218/0x1360 [ 61.280328][ T3823] do_invalid_op+0x32/0x40 [ 61.284843][ T3823] ? restore_regulatory_settings+0x218/0x1360 [ 61.290918][ T3823] invalid_op+0x23/0x30 [ 61.295085][ T3823] RIP: 0010:restore_regulatory_settings+0x218/0x1360 [ 61.301852][ T3823] Code: 03 44 89 ee e8 f9 82 14 fa 45 84 ed 0f 85 7a 07 00 00 e8 8b 81 14 fa 41 0f be d4 0f be f3 48 c7 c7 60 8f f4 88 e8 20 86 e5 f9 <0f> 0b e8 71 81 14 fa 48 8b 1d 8a c2 16 03 48 b8 00 00 00 00 00 fc [ 61.321471][ T3823] RSP: 0018:ffffc9000df97c18 EFLAGS: 00010282 [ 61.327582][ T3823] RAX: 0000000000000000 RBX: 0000000000000042 RCX: 0000000000000000 [ 61.335563][ T3823] RDX: 0000000000000000 RSI: ffffffff815d88a7 RDI: fffff52001bf2f75 [ 61.343544][ T3823] RBP: 0000000000000001 R08: ffff88809975c200 R09: ffffed1015cc6715 [ 61.351527][ T3823] R10: ffff8880ae6338a7 R11: ffffed1015cc6714 R12: 0000000000000000 [ 61.359508][ T3823] R13: 0000000000000000 R14: ffff888099fab500 R15: ffff8880ae6375c0 [ 61.367631][ T3823] ? vprintk_func+0x97/0x1a6 [ 61.372256][ T3823] ? restore_regulatory_settings+0x218/0x1360 [ 61.378351][ T3823] ? set_regdom+0xba0/0xba0 [ 61.382873][ T3823] ? debug_smp_processor_id+0x2f/0x185 [ 61.388707][ T3823] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.394298][ T3823] crda_timeout_work+0x1d/0x30 [ 61.399075][ T3823] process_one_work+0x965/0x16a0 [ 61.404041][ T3823] ? lock_release+0x800/0x800 [ 61.408731][ T3823] ? pwq_dec_nr_in_flight+0x310/0x310 [ 61.414138][ T3823] ? rwlock_bug.part.0+0x90/0x90 [ 61.419126][ T3823] worker_thread+0x96/0xe20 [ 61.423661][ T3823] ? process_one_work+0x16a0/0x16a0 [ 61.428869][ T3823] kthread+0x388/0x470 [ 61.432955][ T3823] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.439205][ T3823] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.444960][ T3823] ret_from_fork+0x24/0x30 [ 61.450394][ T3823] Kernel Offset: disabled [ 61.454860][ T3823] Rebooting in 86400 seconds..