[ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.85' (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 syzkaller login: [ 61.236469][ T2691] ------------[ cut here ]------------ [ 61.242357][ T2691] Unexpected user alpha2: A [ 61.249559][ T2691] WARNING: CPU: 1 PID: 2691 at net/wireless/reg.c:418 restore_regulatory_settings+0x218/0x1360 [ 61.259893][ T2691] Kernel panic - not syncing: panic_on_warn set ... [ 61.266607][ T2691] CPU: 1 PID: 2691 Comm: kworker/1:2 Not tainted 5.7.0-rc6-syzkaller #0 [ 61.274929][ T2691] 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 executing program [ 61.285029][ T2691] Workqueue: events_power_efficient crda_timeout_work [ 61.291788][ T2691] Call Trace: [ 61.295090][ T2691] dump_stack+0x188/0x20d [ 61.299437][ T2691] ? restore_regulatory_settings+0x120/0x1360 [ 61.305610][ T2691] panic+0x2e3/0x75c [ 61.309547][ T2691] ? add_taint.cold+0x16/0x16 [ 61.314246][ T2691] ? __probe_kernel_read+0x188/0x1d0 [ 61.319538][ T2691] ? __warn.cold+0x14/0x35 [ 61.324310][ T2691] ? __warn+0xd5/0x1c8 [ 61.328400][ T2691] ? restore_regulatory_settings+0x218/0x1360 [ 61.334677][ T2691] __warn.cold+0x2f/0x35 [ 61.339036][ T2691] ? restore_regulatory_settings+0x218/0x1360 [ 61.345123][ T2691] report_bug+0x27b/0x2f0 [ 61.349482][ T2691] do_error_trap+0x12b/0x220 [ 61.354193][ T2691] ? restore_regulatory_settings+0x218/0x1360 [ 61.361059][ T2691] do_invalid_op+0x32/0x40 [ 61.365494][ T2691] ? restore_regulatory_settings+0x218/0x1360 [ 61.371757][ T2691] invalid_op+0x23/0x30 [ 61.375925][ T2691] RIP: 0010:restore_regulatory_settings+0x218/0x1360 [ 61.382690][ T2691] Code: 03 44 89 ee e8 79 9e 1e fa 45 84 ed 0f 85 7a 07 00 00 e8 3b 9d 1e fa 41 0f be d4 0f be f3 48 c7 c7 60 0c f3 88 e8 10 d7 ef f9 <0f> 0b e8 21 9d 1e fa 48 8b 1d 5a 03 20 03 48 b8 00 00 00 00 00 fc [ 61.402312][ T2691] RSP: 0018:ffffc90008187c18 EFLAGS: 00010282 [ 61.408387][ T2691] RAX: 0000000000000000 RBX: 0000000000000041 RCX: 0000000000000000 [ 61.416356][ T2691] RDX: 0000000000000000 RSI: ffffffff815ce7f1 RDI: fffff52001030f75 [ 61.424340][ T2691] RBP: 0000000000000001 R08: ffff8880a025c440 R09: ffffed1015ce66a9 [ 61.432321][ T2691] R10: ffff8880ae733547 R11: ffffed1015ce66a8 R12: 0000000000000000 [ 61.442217][ T2691] R13: 0000000000000000 R14: ffff8880a01a3000 R15: ffff8880ae737180 [ 61.450244][ T2691] ? vprintk_func+0x81/0x17e [ 61.454869][ T2691] ? restore_regulatory_settings+0x218/0x1360 [ 61.461048][ T2691] ? set_regdom+0xba0/0xba0 [ 61.465573][ T2691] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.471134][ T2691] crda_timeout_work+0x1d/0x30 [ 61.475906][ T2691] process_one_work+0x965/0x16a0 [ 61.480890][ T2691] ? lock_release+0x800/0x800 [ 61.485580][ T2691] ? pwq_dec_nr_in_flight+0x310/0x310 [ 61.491142][ T2691] ? rwlock_bug.part.0+0x90/0x90 [ 61.496104][ T2691] worker_thread+0x96/0xe20 [ 61.500628][ T2691] ? process_one_work+0x16a0/0x16a0 [ 61.505863][ T2691] kthread+0x388/0x470 [ 61.509933][ T2691] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.515682][ T2691] ret_from_fork+0x24/0x30 [ 61.521877][ T2691] Kernel Offset: disabled [ 61.526331][ T2691] Rebooting in 86400 seconds..