[ 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 '10.128.10.43' (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 syzkaller login: [ 59.646853][ T3176] ------------[ cut here ]------------ [ 59.652541][ T3176] Unexpected user alpha2: B [ 59.659854][ T3176] WARNING: CPU: 1 PID: 3176 at net/wireless/reg.c:418 restore_regulatory_settings+0x218/0x1360 [ 59.670317][ T3176] Kernel panic - not syncing: panic_on_warn set ... [ 59.676941][ T3176] CPU: 1 PID: 3176 Comm: kworker/1:138 Not tainted 5.6.0-rc7-syzkaller #0 [ 59.685544][ T3176] 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 executing program [ 59.695611][ T3176] Workqueue: events_power_efficient crda_timeout_work [ 59.702373][ T3176] Call Trace: [ 59.706635][ T3176] dump_stack+0x188/0x20d [ 59.710981][ T3176] ? restore_regulatory_settings+0x1e0/0x1360 [ 59.717057][ T3176] panic+0x2e3/0x75c [ 59.720966][ T3176] ? add_taint.cold+0x16/0x16 [ 59.725888][ T3176] ? __probe_kernel_read+0x188/0x1d0 [ 59.731199][ T3176] ? __warn.cold+0x14/0x35 [ 59.735649][ T3176] ? __warn+0xd5/0x1c8 [ 59.739735][ T3176] ? restore_regulatory_settings+0x218/0x1360 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.745814][ T3176] __warn.cold+0x2f/0x35 [ 59.750065][ T3176] ? restore_regulatory_settings+0x218/0x1360 [ 59.756135][ T3176] report_bug+0x27b/0x2f0 [ 59.760472][ T3176] do_error_trap+0x12b/0x220 [ 59.765072][ T3176] ? restore_regulatory_settings+0x218/0x1360 [ 59.771145][ T3176] do_invalid_op+0x32/0x40 [ 59.775554][ T3176] ? restore_regulatory_settings+0x218/0x1360 [ 59.781625][ T3176] invalid_op+0x23/0x30 [ 59.785786][ T3176] RIP: 0010:restore_regulatory_settings+0x218/0x1360 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.792454][ T3176] Code: 03 44 89 ee e8 39 03 34 fa 45 84 ed 0f 85 7a 07 00 00 e8 fb 01 34 fa 41 0f be d4 0f be f3 48 c7 c7 00 5f d0 88 e8 e0 12 06 fa <0f> 0b e8 e1 01 34 fa 48 8b 1d 3a d6 12 03 48 b8 00 00 00 00 00 fc [ 59.812160][ T3176] RSP: 0018:ffffc9000907fc38 EFLAGS: 00010286 [ 59.818234][ T3176] RAX: 0000000000000000 RBX: 0000000000000042 RCX: 0000000000000000 [ 59.826209][ T3176] RDX: 0000000000000000 RSI: ffffffff815c06c1 RDI: fffff5200120ff79 [ 59.834176][ T3176] RBP: 0000000000000001 R08: ffff88809dc0e140 R09: ffffed1015ce6659 executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.842178][ T3176] R10: ffffed1015ce6658 R11: ffff8880ae7332c7 R12: 0000000000000000 [ 59.850158][ T3176] R13: 0000000000000000 R14: ffff88809e345300 R15: ffff8880ae736d00 [ 59.858457][ T3176] ? vprintk_func+0x81/0x17e [ 59.863063][ T3176] ? restore_regulatory_settings+0x218/0x1360 [ 59.869140][ T3176] ? mark_held_locks+0xe0/0xe0 [ 59.873929][ T3176] ? set_regdom+0xba0/0xba0 [ 59.878455][ T3176] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.884020][ T3176] crda_timeout_work+0x1d/0x30 [ 59.888792][ T3176] process_one_work+0x94b/0x1690 executing program executing program executing program executing program executing program executing program [ 59.893764][ T3176] ? pwq_dec_nr_in_flight+0x310/0x310 [ 59.899143][ T3176] ? do_raw_spin_lock+0x129/0x2e0 [ 59.904194][ T3176] worker_thread+0x96/0xe20 [ 59.908723][ T3176] ? process_one_work+0x1690/0x1690 [ 59.913944][ T3176] kthread+0x357/0x430 [ 59.918017][ T3176] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.923750][ T3176] ret_from_fork+0x24/0x30 [ 59.929735][ T3176] Kernel Offset: disabled [ 59.934135][ T3176] Rebooting in 86400 seconds..