[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 72.650699][ T27] audit: type=1800 audit(1579516566.719:25): pid=9392 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 72.684075][ T27] audit: type=1800 audit(1579516566.719:26): pid=9392 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 72.715980][ T27] audit: type=1800 audit(1579516566.719:27): pid=9392 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 '10.128.0.233' (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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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: [ 86.894183][ T16] ------------[ cut here ]------------ [ 86.899827][ T16] Unexpected user alpha2: A [ 86.906484][ T16] WARNING: CPU: 1 PID: 16 at net/wireless/reg.c:418 restore_regulatory_settings+0x226/0x13e0 [ 86.916652][ T16] Kernel panic - not syncing: panic_on_warn set ... [ 86.923242][ T16] CPU: 1 PID: 16 Comm: kworker/1:0 Not tainted 5.5.0-rc6-next-20200116-syzkaller #0 [ 86.932604][ T16] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.942673][ T16] Workqueue: events_power_efficient crda_timeout_work [ 86.949431][ T16] Call Trace: [ 86.952731][ T16] dump_stack+0x197/0x210 [ 86.957082][ T16] ? restore_regulatory_settings+0x150/0x13e0 [ 86.963150][ T16] panic+0x2e3/0x75c [ 86.967153][ T16] ? add_taint.cold+0x16/0x16 [ 86.971850][ T16] ? __kasan_check_write+0x14/0x20 [ 86.976974][ T16] ? __warn.cold+0x14/0x3e [ 86.981395][ T16] ? __warn+0xd9/0x1cf [ 86.985499][ T16] ? restore_regulatory_settings+0x226/0x13e0 [ 86.991570][ T16] __warn.cold+0x2f/0x3e [ 86.995820][ T16] ? restore_regulatory_settings+0x226/0x13e0 [ 87.001896][ T16] report_bug+0x289/0x300 [ 87.006240][ T16] do_error_trap+0x11b/0x200 [ 87.010840][ T16] do_invalid_op+0x37/0x50 [ 87.015263][ T16] ? restore_regulatory_settings+0x226/0x13e0 [ 87.021339][ T16] invalid_op+0x23/0x30 [ 87.025501][ T16] RIP: 0010:restore_regulatory_settings+0x226/0x13e0 [ 87.032177][ T16] Code: 03 44 89 f6 e8 5b f0 09 fa 45 84 f6 0f 85 9a 07 00 00 e8 0d ef 09 fa 41 0f be d5 0f be f3 48 c7 c7 a0 70 10 89 e8 e9 3f da f9 <0f> 0b e8 f3 ee 09 fa 4c 8b 2d 7c bb 24 03 48 b8 00 00 00 00 00 fc [ 87.051781][ T16] RSP: 0018:ffffc90000d7fc10 EFLAGS: 00010286 [ 87.057843][ T16] RAX: 0000000000000000 RBX: 0000000000000041 RCX: 0000000000000000 [ 87.065816][ T16] RDX: 0000000000000000 RSI: ffffffff815eb7c6 RDI: fffff520001aff74 [ 87.073793][ T16] RBP: ffffc90000d7fd10 R08: ffff8880a9a48440 R09: ffffed1015d26659 [ 87.081768][ T16] R10: ffffed1015d26658 R11: ffff8880ae9332c7 R12: 0000000000000001 [ 87.089746][ T16] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880a997a000 [ 87.097760][ T16] ? vprintk_func+0x86/0x189 [ 87.102374][ T16] ? set_regdom+0xbf0/0xbf0 [ 87.106888][ T16] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 87.113064][ T16] crda_timeout_work+0x21/0x30 [ 87.117835][ T16] process_one_work+0xa05/0x17a0 [ 87.122783][ T16] ? mark_held_locks+0xf0/0xf0 [ 87.127554][ T16] ? pwq_dec_nr_in_flight+0x320/0x320 [ 87.132925][ T16] ? lock_acquire+0x190/0x410 [ 87.137622][ T16] worker_thread+0x98/0xe40 [ 87.142245][ T16] kthread+0x361/0x430 [ 87.146322][ T16] ? process_one_work+0x17a0/0x17a0 [ 87.151546][ T16] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 87.157274][ T16] ret_from_fork+0x24/0x30 [ 87.163204][ T16] Kernel Offset: disabled [ 87.167610][ T16] Rebooting in 86400 seconds..