[ OK ] Started OpenBSD Secure Shell server. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.159' (ECDSA) to the list of known hosts. syzkaller login: [ 60.370259] audit: type=1400 audit(1589130417.786:8): avc: denied { execmem } for pid=6315 comm="syz-executor587" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 60.652622] IPVS: ftp: loaded support on port[0] = 21 [ 61.732340] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 62.732898] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 63.653293] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 64.507876] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 65.493154] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 65.881567] Unexpected user alpha2: A [ 65.885900] ------------[ cut here ]------------ [ 65.890666] WARNING: CPU: 1 PID: 2156 at net/wireless/reg.c:414 restore_regulatory_settings.cold+0x40/0x47 [ 65.900481] Kernel panic - not syncing: panic_on_warn set ... [ 65.900481] [ 65.907859] CPU: 1 PID: 2156 Comm: kworker/1:2 Not tainted 4.14.180-syzkaller #0 [ 65.915417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.924782] Workqueue: events_power_efficient crda_timeout_work [ 65.930833] Call Trace: [ 65.933421] dump_stack+0x13e/0x194 [ 65.937040] panic+0x1f9/0x42d [ 65.940316] ? add_taint.cold+0x16/0x16 [ 65.944379] ? restore_regulatory_settings.cold+0x40/0x47 [ 65.950006] ? restore_regulatory_settings.cold+0x40/0x47 [ 65.955566] __warn.cold+0x2f/0x30 [ 65.959106] ? ist_end_non_atomic+0x10/0x10 [ 65.963427] ? restore_regulatory_settings.cold+0x40/0x47 [ 65.969316] report_bug+0x20a/0x248 [ 65.973505] do_error_trap+0x195/0x2d0 [ 65.977401] ? math_error+0x2d0/0x2d0 [ 65.981321] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 65.986177] invalid_op+0x1b/0x40 [ 65.989632] RIP: 0010:restore_regulatory_settings.cold+0x40/0x47 [ 65.996048] RSP: 0018:ffff8880a47b7c98 EFLAGS: 00010286 [ 66.001417] RAX: 000000000000001a RBX: 0000000000000001 RCX: 0000000000000000 [ 66.008696] RDX: 0000000000000000 RSI: ffffffff86ac0860 RDI: ffffed10148f6f89 [ 66.016058] RBP: 0000000000000041 R08: 000000000000001a R09: 0000000000000000 [ 66.023454] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 66.030847] R13: 0000000000000000 R14: ffff8880a5b2a400 R15: ffff8880aeb2acc0 [ 66.038163] ? restore_regulatory_settings.cold+0x40/0x47 [ 66.043732] ? regulatory_hint_user+0x240/0x240 [ 66.048409] ? __lock_is_held+0xad/0x140 [ 66.052551] crda_timeout_work+0x1b/0x20 [ 66.056687] process_one_work+0x813/0x1540 [ 66.061919] ? pwq_dec_nr_in_flight+0x2b0/0x2b0 [ 66.066742] ? worker_thread+0x15d/0x1070 [ 66.070975] ? _raw_spin_unlock_irq+0x24/0x80 [ 66.075615] worker_thread+0x5d1/0x1070 [ 66.080215] ? process_one_work+0x1540/0x1540 [ 66.084774] kthread+0x30d/0x420 [ 66.088160] ? kthread_create_on_node+0xd0/0xd0 [ 66.092934] ret_from_fork+0x24/0x30 [ 66.098805] Kernel Offset: disabled [ 66.103213] Rebooting in 86400 seconds..