[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.46' (ECDSA) to the list of known hosts. syzkaller login: [ 52.389468] audit: type=1400 audit(1591829077.522:8): avc: denied { execmem } for pid=6429 comm="syz-executor309" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 52.426240] IPVS: ftp: loaded support on port[0] = 21 [ 52.441782] IPVS: ftp: loaded support on port[0] = 21 [ 52.455328] IPVS: ftp: loaded support on port[0] = 21 [ 52.459258] IPVS: ftp: loaded support on port[0] = 21 [ 52.462488] IPVS: ftp: loaded support on port[0] = 21 [ 52.472506] 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 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executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 55.837393] ------------[ cut here ]------------ [ 55.842347] Unexpected user alpha2: A [ 55.846637] WARNING: CPU: 0 PID: 2867 at net/wireless/reg.c:416 restore_regulatory_settings+0x211/0xf90 [ 55.858563] Kernel panic - not syncing: panic_on_warn set ... [ 55.858563] [ 55.865940] CPU: 0 PID: 2867 Comm: kworker/0:2 Not tainted 4.19.128-syzkaller #0 [ 55.873639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.882992] Workqueue: events_power_efficient crda_timeout_work [ 55.889276] Call Trace: [ 55.891857] dump_stack+0x1fc/0x2fe [ 55.895479] panic+0x26a/0x50e [ 55.898659] ? __warn_printk+0xf3/0xf3 [ 55.902533] ? restore_regulatory_settings+0x211/0xf90 [ 55.907826] ? __probe_kernel_read+0x16c/0x1b0 [ 55.912394] ? __warn.cold+0x5/0x46 [ 55.916005] ? __warn+0xe4/0x1c0 [ 55.919617] ? restore_regulatory_settings+0x211/0xf90 [ 55.924873] __warn.cold+0x20/0x46 [ 55.928397] ? mark_held_locks+0xa6/0xf0 [ 55.932440] ? restore_regulatory_settings+0x211/0xf90 [ 55.937697] report_bug+0x262/0x2a0 [ 55.941311] do_error_trap+0x1d7/0x310 [ 55.945180] ? math_error+0x310/0x310 [ 55.948961] ? irq_work_queue+0x2b/0x80 [ 55.952931] ? wake_up_klogd+0x8c/0xc0 [ 55.956809] ? vprintk_emit+0x1d0/0x6e0 [ 55.960762] ? trace_hardirqs_off_caller+0x69/0x210 [ 55.965776] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.970616] invalid_op+0x14/0x20 [ 55.974059] RIP: 0010:restore_regulatory_settings+0x211/0xf90 [ 55.979924] Code: 03 44 89 ee e8 20 e7 bd fa 45 84 ed 0f 85 57 07 00 00 e8 e2 e5 bd fa 41 0f be d4 0f be f3 48 c7 c7 c0 97 1f 88 e8 1a e1 92 fa <0f> 0b e8 c8 e5 bd fa 48 8b 1d a1 7a cf 02 48 b8 00 00 00 00 00 fc [ 55.998936] RSP: 0018:ffff88809e0a7c50 EFLAGS: 00010286 [ 56.004326] RAX: 0000000000000000 RBX: 0000000000000041 RCX: 0000000000000000 [ 56.011592] RDX: 0000000000000000 RSI: ffffffff81535121 RDI: ffffed1013c14f7c [ 56.019381] RBP: 0000000000000001 R08: ffff88809e09a6c0 R09: ffffed1015cc3eef [ 56.026680] R10: ffffed1015cc3eee R11: ffff8880ae61f777 R12: 0000000000000000 [ 56.033974] R13: 0000000000000000 R14: ffff88809e5d3300 R15: ffff8880ae62bac0 [ 56.041243] ? vprintk_func+0x81/0x17e [ 56.045132] ? process_one_work+0x79f/0x1580 [ 56.049529] ? regulatory_hint_user+0x220/0x220 [ 56.054198] ? check_preemption_disabled+0x41/0x280 [ 56.059202] crda_timeout_work+0x1b/0x20 [ 56.063254] process_one_work+0x892/0x1580 [ 56.067475] ? pwq_dec_nr_in_flight+0x310/0x310 [ 56.072133] worker_thread+0x96/0xe20 [ 56.075921] ? process_one_work+0x1580/0x1580 [ 56.080400] kthread+0x30b/0x410 [ 56.083817] ? kthread_park+0x180/0x180 [ 56.087790] ret_from_fork+0x24/0x30 [ 56.093095] Kernel Offset: disabled [ 56.096806] Rebooting in 86400 seconds..