[ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ 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. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.254' (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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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: [ 68.718956][ T3262] ------------[ cut here ]------------ [ 68.724679][ T3262] Unexpected user alpha2: B [ 68.732398][ T3262] WARNING: CPU: 1 PID: 3262 at net/wireless/reg.c:418 restore_regulatory_settings+0x218/0x1360 [ 68.742841][ T3262] Kernel panic - not syncing: panic_on_warn set ... [ 68.749438][ T3262] CPU: 1 PID: 3262 Comm: kworker/1:8 Not tainted 5.7.0-rc1-next-20200415-syzkaller #0 [ 68.758978][ T3262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program executing program [ 68.769052][ T3262] Workqueue: events_power_efficient crda_timeout_work [ 68.775813][ T3262] Call Trace: [ 68.779117][ T3262] dump_stack+0x188/0x20d [ 68.783485][ T3262] ? restore_regulatory_settings+0x130/0x1360 [ 68.789564][ T3262] panic+0x2e3/0x75c [ 68.793478][ T3262] ? add_taint.cold+0x16/0x16 [ 68.798179][ T3262] ? __probe_kernel_read+0x188/0x1d0 [ 68.803476][ T3262] ? __warn.cold+0x14/0x35 [ 68.807903][ T3262] ? __warn+0xd5/0x1c8 [ 68.811990][ T3262] ? restore_regulatory_settings+0x218/0x1360 [ 68.818117][ T3262] __warn.cold+0x2f/0x35 [ 68.822510][ T3262] ? restore_regulatory_settings+0x218/0x1360 [ 68.828590][ T3262] report_bug+0x27b/0x2f0 [ 68.832942][ T3262] do_error_trap+0x12b/0x220 [ 68.837549][ T3262] ? restore_regulatory_settings+0x218/0x1360 [ 68.843667][ T3262] do_invalid_op+0x32/0x40 [ 68.848217][ T3262] ? restore_regulatory_settings+0x218/0x1360 [ 68.854294][ T3262] invalid_op+0x23/0x30 [ 68.858490][ T3262] RIP: 0010:restore_regulatory_settings+0x218/0x1360 [ 68.865174][ T3262] Code: 03 44 89 ee e8 29 ac 18 fa 45 84 ed 0f 85 7a 07 00 00 e8 bb aa 18 fa 41 0f be d4 0f be f3 48 c7 c7 80 6b f4 88 e8 80 df e9 f9 <0f> 0b e8 a1 aa 18 fa 48 8b 1d ea 04 1c 03 48 b8 00 00 00 00 00 fc [ 68.884789][ T3262] RSP: 0018:ffffc90008c07c18 EFLAGS: 00010282 [ 68.890864][ T3262] RAX: 0000000000000000 RBX: 0000000000000042 RCX: 0000000000000000 [ 68.898845][ T3262] RDX: 0000000000000000 RSI: ffffffff815ce211 RDI: fffff52001180f75 [ 68.906823][ T3262] RBP: 0000000000000001 R08: ffff88809d5685c0 R09: ffffed1015ce66b1 [ 68.914925][ T3262] R10: ffff8880ae733587 R11: ffffed1015ce66b0 R12: 0000000000000000 [ 68.923027][ T3262] R13: 0000000000000000 R14: ffff88809f12f800 R15: ffff8880ae7371c0 [ 68.931067][ T3262] ? vprintk_func+0x81/0x17e [ 68.935665][ T3262] ? restore_regulatory_settings+0x218/0x1360 [ 68.941733][ T3262] ? set_regdom+0xba0/0xba0 [ 68.946262][ T3262] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 68.951847][ T3262] crda_timeout_work+0x1d/0x30 [ 68.956635][ T3262] process_one_work+0x965/0x16a0 [ 68.961605][ T3262] ? lock_release+0x800/0x800 [ 68.966282][ T3262] ? pwq_dec_nr_in_flight+0x310/0x310 [ 68.971642][ T3262] ? rwlock_bug.part.0+0x90/0x90 [ 68.976574][ T3262] worker_thread+0x96/0xe20 [ 68.981196][ T3262] ? process_one_work+0x16a0/0x16a0 [ 68.986407][ T3262] kthread+0x388/0x470 [ 68.990483][ T3262] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 68.996265][ T3262] ret_from_fork+0x24/0x30 [ 69.002069][ T3262] Kernel Offset: disabled [ 69.006466][ T3262] Rebooting in 86400 seconds..