[ 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 '10.128.0.202' (ECDSA) to the list of known hosts. executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program executing program executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program executing program executing program executing program executing program executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program executing program executing program executing program executing program executing program executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program executing program executing program executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program executing program executing program executing program executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program executing program executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program executing program executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program executing program executing program executing program executing program executing program executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program executing program executing program executing program executing program executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program executing program executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program executing program executing program executing program *** stack smashing detected ***: ./syz-executor439340496 terminated executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 60.738686][ T2746] ------------[ cut here ]------------ [ 60.744327][ T2746] Unexpected user alpha2: B [ 60.750876][ T2746] WARNING: CPU: 1 PID: 2746 at net/wireless/reg.c:418 restore_regulatory_settings+0x218/0x1360 [ 60.761195][ T2746] Kernel panic - not syncing: panic_on_warn set ... [ 60.767785][ T2746] CPU: 1 PID: 2746 Comm: kworker/1:10 Not tainted 5.7.0-rc4-syzkaller #0 [ 60.776186][ T2746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.786232][ T2746] Workqueue: events_power_efficient crda_timeout_work [ 60.793057][ T2746] Call Trace: [ 60.796348][ T2746] dump_stack+0x188/0x20d [ 60.800670][ T2746] ? restore_regulatory_settings+0x190/0x1360 [ 60.806718][ T2746] panic+0x2e3/0x75c [ 60.810598][ T2746] ? add_taint.cold+0x16/0x16 [ 60.815279][ T2746] ? __probe_kernel_read+0x188/0x1d0 [ 60.820546][ T2746] ? __warn.cold+0x14/0x35 [ 60.824944][ T2746] ? __warn+0xd5/0x1c8 [ 60.828999][ T2746] ? restore_regulatory_settings+0x218/0x1360 [ 60.835050][ T2746] __warn.cold+0x2f/0x35 [ 60.839295][ T2746] ? restore_regulatory_settings+0x218/0x1360 [ 60.845347][ T2746] report_bug+0x27b/0x2f0 [ 60.849663][ T2746] do_error_trap+0x12b/0x220 [ 60.854249][ T2746] ? restore_regulatory_settings+0x218/0x1360 [ 60.860301][ T2746] do_invalid_op+0x32/0x40 [ 60.864702][ T2746] ? restore_regulatory_settings+0x218/0x1360 [ 60.870755][ T2746] invalid_op+0x23/0x30 [ 60.874901][ T2746] RIP: 0010:restore_regulatory_settings+0x218/0x1360 [ 60.881558][ T2746] Code: 03 44 89 ee e8 99 d0 1e fa 45 84 ed 0f 85 7a 07 00 00 e8 5b cf 1e fa 41 0f be d4 0f be f3 48 c7 c7 80 03 f3 88 e8 30 0a f0 f9 <0f> 0b e8 41 cf 1e fa 48 8b 1d 0a 33 20 03 48 b8 00 00 00 00 00 fc [ 60.901143][ T2746] RSP: 0018:ffffc90007f77c18 EFLAGS: 00010282 [ 60.907188][ T2746] RAX: 0000000000000000 RBX: 0000000000000042 RCX: 0000000000000000 [ 60.915142][ T2746] RDX: 0000000000000000 RSI: ffffffff815ce1a1 RDI: fffff52000feef75 [ 60.923094][ T2746] RBP: 0000000000000001 R08: ffff88809f88a580 R09: ffffed1015ce66a9 [ 60.931048][ T2746] R10: ffff8880ae733547 R11: ffffed1015ce66a8 R12: 0000000000000000 [ 60.939124][ T2746] R13: 0000000000000000 R14: ffff88809ff6b100 R15: ffff8880ae737180 [ 60.947095][ T2746] ? vprintk_func+0x81/0x17e [ 60.951676][ T2746] ? restore_regulatory_settings+0x218/0x1360 [ 60.957728][ T2746] ? set_regdom+0xba0/0xba0 [ 60.962234][ T2746] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.967774][ T2746] crda_timeout_work+0x1d/0x30 [ 60.972521][ T2746] process_one_work+0x965/0x16a0 [ 60.977449][ T2746] ? lock_release+0x800/0x800 [ 60.982109][ T2746] ? pwq_dec_nr_in_flight+0x310/0x310 [ 60.987479][ T2746] ? rwlock_bug.part.0+0x90/0x90 [ 60.992417][ T2746] worker_thread+0x96/0xe20 [ 60.996912][ T2746] ? process_one_work+0x16a0/0x16a0 [ 61.002095][ T2746] kthread+0x388/0x470 [ 61.006148][ T2746] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.011851][ T2746] ret_from_fork+0x24/0x30 [ 61.017676][ T2746] Kernel Offset: disabled [ 61.022089][ T2746] Rebooting in 86400 seconds..