[ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Reached target Login Prompts. [ OK ] Started OpenBSD Secure Shell server. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.242' (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 syzkaller login: [ 66.836588][ T2496] ------------[ cut here ]------------ [ 66.843326][ T2496] Unexpected user alpha2: A [ 66.851665][ T2496] WARNING: CPU: 0 PID: 2496 at net/wireless/reg.c:418 restore_regulatory_settings+0x218/0x1360 [ 66.863154][ T2496] Kernel panic - not syncing: panic_on_warn set ... [ 66.870448][ T2496] CPU: 0 PID: 2496 Comm: kworker/0:2 Not tainted 5.7.0-rc7-next-20200529-syzkaller #0 executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 66.884458][ T2496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.901928][ T2496] Workqueue: events_power_efficient crda_timeout_work [ 66.910353][ T2496] Call Trace: [ 66.914011][ T2496] dump_stack+0x18f/0x20d [ 66.918466][ T2496] ? restore_regulatory_settings+0x130/0x1360 [ 66.924557][ T2496] panic+0x2e3/0x75c [ 66.928635][ T2496] ? __warn_printk+0xf3/0xf3 executing program executing program executing program executing program executing program executing program executing program executing program [ 66.933350][ T2496] ? __probe_kernel_read+0x188/0x1d0 [ 66.939254][ T2496] ? __warn.cold+0x14/0x3a [ 66.944074][ T2496] ? __warn+0xd6/0x1b2 [ 66.948598][ T2496] ? restore_regulatory_settings+0x218/0x1360 [ 66.955493][ T2496] __warn.cold+0x2f/0x3a [ 66.960127][ T2496] ? restore_regulatory_settings+0x218/0x1360 [ 66.966310][ T2496] report_bug+0x27b/0x2f0 [ 66.970758][ T2496] do_error_trap+0x153/0x2b0 [ 66.975493][ T2496] ? restore_regulatory_settings+0x218/0x1360 [ 66.981871][ T2496] exc_invalid_op+0x37/0x50 executing program executing program executing program executing program executing program executing program executing program executing program [ 66.986577][ T2496] ? restore_regulatory_settings+0x218/0x1360 [ 66.993018][ T2496] asm_exc_invalid_op+0x12/0x20 [ 66.998441][ T2496] RIP: 0010:restore_regulatory_settings+0x218/0x1360 [ 67.005388][ T2496] Code: 03 44 89 ee e8 39 6b 0f fa 45 84 ed 0f 85 7a 07 00 00 e8 cb 69 0f fa 41 0f be d4 0f be f3 48 c7 c7 20 a3 15 89 e8 4a 8b e0 f9 <0f> 0b e8 b1 69 0f fa 48 8b 1d ca b4 34 03 48 b8 00 00 00 00 00 fc [ 67.027796][ T2496] RSP: 0018:ffffc900083bfc18 EFLAGS: 00010282 executing program executing program executing program executing program executing program executing program [ 67.034148][ T2496] RAX: 0000000000000000 RBX: 0000000000000041 RCX: 0000000000000000 [ 67.042642][ T2496] RDX: 0000000000000000 RSI: ffffffff815c9bf7 RDI: fffff52001077f75 [ 67.051081][ T2496] RBP: 0000000000000001 R08: ffff8880a01b4000 R09: ffffed1015cc671d [ 67.059279][ T2496] R10: ffff8880ae6338e7 R11: ffffed1015cc671c R12: 0000000000000000 [ 67.067933][ T2496] R13: 0000000000000000 R14: ffff8880a00f0900 R15: ffff8880ae637600 [ 67.076351][ T2496] ? vprintk_func+0x97/0x1a6 [ 67.081389][ T2496] ? restore_regulatory_settings+0x218/0x1360 executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 67.088237][ T2496] ? set_regdom+0xba0/0xba0 [ 67.092998][ T2496] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 67.099087][ T2496] crda_timeout_work+0x1d/0x30 [ 67.104807][ T2496] process_one_work+0x965/0x1690 [ 67.109999][ T2496] ? lock_release+0x800/0x800 [ 67.114724][ T2496] ? pwq_dec_nr_in_flight+0x310/0x310 [ 67.121262][ T2496] ? rwlock_bug.part.0+0x90/0x90 [ 67.126236][ T2496] worker_thread+0x96/0xe20 [ 67.131399][ T2496] ? process_one_work+0x1690/0x1690 executing program [ 67.136918][ T2496] kthread+0x3b5/0x4a0 [ 67.141174][ T2496] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 67.147326][ T2496] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 67.153084][ T2496] ret_from_fork+0x1f/0x30 [ 67.159977][ T2496] Kernel Offset: disabled [ 67.165337][ T2496] Rebooting in 86400 seconds..