[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 69.678589][ T27] audit: type=1800 audit(1578361471.611:25): pid=9607 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 69.699334][ T27] audit: type=1800 audit(1578361471.611:26): pid=9607 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 69.720356][ T27] audit: type=1800 audit(1578361471.621:27): pid=9607 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.8' (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 executing program executing program 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: [ 90.627308][ T2720] ------------[ cut here ]------------ [ 90.632954][ T2720] Unexpected user alpha2: [ 90.639084][ T2720] WARNING: CPU: 1 PID: 2720 at net/wireless/reg.c:418 restore_regulatory_settings+0x226/0x13e0 [ 90.649432][ T2720] Kernel panic - not syncing: panic_on_warn set ... [ 90.656023][ T2720] CPU: 1 PID: 2720 Comm: kworker/1:7 Not tainted 5.5.0-rc5-syzkaller #0 [ 90.664339][ T2720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program executing program [ 90.674415][ T2720] Workqueue: events_power_efficient crda_timeout_work [ 90.681181][ T2720] Call Trace: [ 90.684489][ T2720] dump_stack+0x197/0x210 [ 90.688836][ T2720] ? restore_regulatory_settings+0x1c0/0x13e0 [ 90.694917][ T2720] panic+0x2e3/0x75c [ 90.698826][ T2720] ? add_taint.cold+0x16/0x16 [ 90.703525][ T2720] ? __kasan_check_write+0x14/0x20 [ 90.708651][ T2720] ? __warn.cold+0x14/0x3e [ 90.713082][ T2720] ? __warn+0xd9/0x1cf [ 90.717165][ T2720] ? restore_regulatory_settings+0x226/0x13e0 [ 90.723261][ T2720] __warn.cold+0x2f/0x3e [ 90.727523][ T2720] ? restore_regulatory_settings+0x226/0x13e0 [ 90.733612][ T2720] report_bug+0x289/0x300 [ 90.737964][ T2720] do_error_trap+0x11b/0x200 [ 90.742575][ T2720] do_invalid_op+0x37/0x50 [ 90.747019][ T2720] ? restore_regulatory_settings+0x226/0x13e0 [ 90.753109][ T2720] invalid_op+0x23/0x30 [ 90.757287][ T2720] RIP: 0010:restore_regulatory_settings+0x226/0x13e0 [ 90.763972][ T2720] Code: 03 44 89 f6 e8 2b ba 1f fa 45 84 f6 0f 85 9a 07 00 00 e8 dd b8 1f fa 41 0f be d5 0f be f3 48 c7 c7 00 ba ed 88 e8 f9 60 f0 f9 <0f> 0b e8 c3 b8 1f fa 4c 8b 2d 6c e2 12 03 48 b8 00 00 00 00 00 fc [ 90.783590][ T2720] RSP: 0018:ffffc900079afc20 EFLAGS: 00010286 [ 90.789670][ T2720] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 90.797661][ T2720] RDX: 0000000000000000 RSI: ffffffff815e8b46 RDI: fffff52000f35f76 [ 90.805679][ T2720] RBP: ffffc900079afd20 R08: ffff8880a063e440 R09: ffffed1015d26621 [ 90.813667][ T2720] R10: ffffed1015d26620 R11: ffff8880ae933107 R12: 0000000000000001 [ 90.821651][ T2720] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880ae936b40 [ 90.829681][ T2720] ? vprintk_func+0x86/0x189 [ 90.834295][ T2720] ? set_regdom+0xbf0/0xbf0 [ 90.838824][ T2720] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 90.844992][ T2720] crda_timeout_work+0x21/0x30 [ 90.849784][ T2720] process_one_work+0x9af/0x1740 [ 90.854764][ T2720] ? pwq_dec_nr_in_flight+0x320/0x320 [ 90.860136][ T2720] ? lock_acquire+0x190/0x410 [ 90.864810][ T2720] worker_thread+0x98/0xe40 [ 90.869359][ T2720] kthread+0x361/0x430 [ 90.873443][ T2720] ? process_one_work+0x1740/0x1740 [ 90.878649][ T2720] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 90.884470][ T2720] ret_from_fork+0x24/0x30 [ 90.890341][ T2720] Kernel Offset: disabled [ 90.894775][ T2720] Rebooting in 86400 seconds..