[ 41.457406] audit: type=1800 audit(1579208742.205:30): pid=7912 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2490 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 46.491936] kauditd_printk_skb: 4 callbacks suppressed [ 46.491952] audit: type=1400 audit(1579208747.265:35): avc: denied { map } for pid=8085 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.24' (ECDSA) to the list of known hosts. executing program executing program executing program [ 53.224029] audit: type=1400 audit(1579208753.995:36): avc: denied { map } for pid=8097 comm="syz-executor051" path="/root/syz-executor051292519" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 53.256891] audit: type=1400 audit(1579208753.995:37): avc: denied { create } for pid=8098 comm="syz-executor051" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 53.282517] audit: type=1400 audit(1579208753.995:38): avc: denied { write } for pid=8098 comm="syz-executor051" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket 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 [ 53.306635] audit: type=1400 audit(1579208753.995:39): avc: denied { read } for pid=8098 comm="syz-executor051" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket 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 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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 executing program executing program executing program [ 56.439938] ------------[ cut here ]------------ [ 56.444991] Unexpected user alpha2: A [ 56.449443] WARNING: CPU: 1 PID: 19 at net/wireless/reg.c:416 restore_regulatory_settings+0x22d/0xfd0 [ 56.458801] Kernel panic - not syncing: panic_on_warn set ... [ 56.458801] [ 56.466173] CPU: 1 PID: 19 Comm: kworker/1:0 Not tainted 4.19.96-syzkaller #0 [ 56.473450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.482816] Workqueue: events_power_efficient crda_timeout_work [ 56.488889] Call Trace: [ 56.491501] dump_stack+0x197/0x210 [ 56.495137] panic+0x26a/0x50e [ 56.498336] ? __warn_printk+0xf3/0xf3 [ 56.502236] ? restore_regulatory_settings+0x22d/0xfd0 [ 56.507605] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 56.513320] ? __warn.cold+0x5/0x53 [ 56.516955] ? __warn+0xe8/0x1d0 [ 56.520325] ? restore_regulatory_settings+0x22d/0xfd0 [ 56.525607] __warn.cold+0x20/0x53 [ 56.529150] ? trace_hardirqs_on+0x67/0x220 [ 56.533497] ? restore_regulatory_settings+0x22d/0xfd0 [ 56.538794] report_bug+0x263/0x2b0 [ 56.542548] do_error_trap+0x204/0x360 [ 56.546455] ? math_error+0x340/0x340 [ 56.550258] ? wake_up_klogd+0x99/0xd0 [ 56.554149] ? vprintk_emit+0x1ce/0x6d0 [ 56.558122] ? error_entry+0x7c/0xe0 [ 56.561845] ? trace_hardirqs_off_caller+0x65/0x220 [ 56.566874] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.571852] do_invalid_op+0x1b/0x20 [ 56.575564] invalid_op+0x14/0x20 [ 56.579012] RIP: 0010:restore_regulatory_settings+0x22d/0xfd0 [ 56.584899] Code: 44 89 f6 e8 65 13 8e fa 45 84 f6 0f 85 80 07 00 00 e8 17 12 8e fa 41 0f be d5 41 0f be f4 48 c7 c7 c0 4e 60 88 e8 81 a1 61 fa <0f> 0b e8 fc 11 8e fa 48 8b 1d 15 01 dd 02 48 b8 00 00 00 00 00 fc [ 56.603815] RSP: 0000:ffff8880aa3efc28 EFLAGS: 00010282 [ 56.609180] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.616448] RDX: 0000000000000000 RSI: ffffffff81558bc6 RDI: ffffed101547df77 [ 56.623738] RBP: ffff8880aa3efd20 R08: ffff8880aa3da500 R09: ffffed1015d23ee3 [ 56.631108] R10: ffffed1015d23ee2 R11: ffff8880ae91f717 R12: 0000000000000041 [ 56.638398] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880ae92ba40 [ 56.645696] ? vprintk_func+0x86/0x189 [ 56.649644] ? restore_regulatory_settings+0x22d/0xfd0 [ 56.654929] ? process_one_work+0x890/0x1750 [ 56.659351] ? regulatory_hint_user+0x240/0x240 [ 56.664029] ? __lock_is_held+0xb6/0x140 [ 56.668097] crda_timeout_work+0x1f/0x30 [ 56.672251] process_one_work+0x989/0x1750 [ 56.676504] ? pwq_dec_nr_in_flight+0x320/0x320 [ 56.681226] ? lock_acquire+0x16f/0x3f0 [ 56.685204] ? kasan_check_write+0x14/0x20 [ 56.689445] ? do_raw_spin_lock+0xd7/0x250 [ 56.693703] worker_thread+0x98/0xe40 [ 56.697508] kthread+0x354/0x420 [ 56.700871] ? process_one_work+0x1750/0x1750 [ 56.705381] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 56.710926] ret_from_fork+0x24/0x30 [ 56.716319] Kernel Offset: disabled [ 56.720032] Rebooting in 86400 seconds..