[ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.205' (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 syzkaller login: [ 64.374347][ T29] audit: type=1400 audit(1591237349.713:8): avc: denied { execmem } for pid=6801 comm="syz-executor975" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 67.571261][ T2480] ------------[ cut here ]------------ [ 67.576975][ T2480] Unexpected user alpha2: B [ 67.584416][ T2480] WARNING: CPU: 0 PID: 2480 at net/wireless/reg.c:418 restore_regulatory_settings+0x218/0x1360 [ 67.594984][ T2480] Kernel panic - not syncing: panic_on_warn set ... [ 67.601922][ T2480] CPU: 0 PID: 2480 Comm: kworker/0:2 Not tainted 5.7.0-syzkaller #0 [ 67.609880][ T2480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.619982][ T2480] Workqueue: events_power_efficient crda_timeout_work [ 67.627646][ T2480] Call Trace: [ 67.630964][ T2480] dump_stack+0x188/0x20d [ 67.635304][ T2480] ? restore_regulatory_settings+0x1b0/0x1360 [ 67.641820][ T2480] panic+0x2e3/0x75c [ 67.645726][ T2480] ? add_taint.cold+0x16/0x16 [ 67.650652][ T2480] ? __probe_kernel_read+0x188/0x1d0 [ 67.656250][ T2480] ? __warn.cold+0x14/0x35 [ 67.660770][ T2480] ? __warn+0xd5/0x1c8 [ 67.664840][ T2480] ? restore_regulatory_settings+0x218/0x1360 [ 67.670930][ T2480] __warn.cold+0x2f/0x35 [ 67.675164][ T2480] ? restore_regulatory_settings+0x218/0x1360 [ 67.681232][ T2480] report_bug+0x27b/0x2f0 [ 67.685562][ T2480] do_error_trap+0x12b/0x220 [ 67.690362][ T2480] ? restore_regulatory_settings+0x218/0x1360 [ 67.696458][ T2480] do_invalid_op+0x32/0x40 [ 67.700884][ T2480] ? restore_regulatory_settings+0x218/0x1360 [ 67.707074][ T2480] invalid_op+0x23/0x30 [ 67.711331][ T2480] RIP: 0010:restore_regulatory_settings+0x218/0x1360 [ 67.718012][ T2480] Code: 03 44 89 ee e8 b9 c6 19 fa 45 84 ed 0f 85 7a 07 00 00 e8 7b c5 19 fa 41 0f be d4 0f be f3 48 c7 c7 c0 9e f3 88 e8 b0 d1 ea f9 <0f> 0b e8 61 c5 19 fa 48 8b 1d 8a cf 1b 03 48 b8 00 00 00 00 00 fc [ 67.737786][ T2480] RSP: 0018:ffffc900077e7c18 EFLAGS: 00010282 [ 67.743842][ T2480] RAX: 0000000000000000 RBX: 0000000000000042 RCX: 0000000000000000 [ 67.751832][ T2480] RDX: 0000000000000000 RSI: ffffffff815cd4c7 RDI: fffff52000efcf75 [ 67.759885][ T2480] RBP: 0000000000000001 R08: ffff8880a0044240 R09: ffffed1015cc66a9 [ 67.767847][ T2480] R10: ffff8880ae633547 R11: ffffed1015cc66a8 R12: 0000000000000000 [ 67.775796][ T2480] R13: 0000000000000000 R14: ffff8880a05d4200 R15: ffff8880ae637240 [ 67.783796][ T2480] ? vprintk_func+0x97/0x1a6 [ 67.789343][ T2480] ? restore_regulatory_settings+0x218/0x1360 [ 67.795579][ T2480] ? set_regdom+0xba0/0xba0 [ 67.800079][ T2480] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 67.805736][ T2480] crda_timeout_work+0x1d/0x30 [ 67.810484][ T2480] process_one_work+0x965/0x16a0 [ 67.815516][ T2480] ? lock_release+0x800/0x800 [ 67.820185][ T2480] ? pwq_dec_nr_in_flight+0x310/0x310 [ 67.825553][ T2480] ? rwlock_bug.part.0+0x90/0x90 [ 67.830472][ T2480] worker_thread+0x96/0xe20 [ 67.834975][ T2480] ? process_one_work+0x16a0/0x16a0 [ 67.840149][ T2480] kthread+0x388/0x470 [ 67.844198][ T2480] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 67.849908][ T2480] ret_from_fork+0x24/0x30 [ 67.856101][ T2480] Kernel Offset: disabled [ 67.860499][ T2480] Rebooting in 86400 seconds..