[ 32.723718] audit: type=1800 audit(1548766944.430:28): pid=7242 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 33.536361] audit: type=1800 audit(1548766945.310:29): pid=7242 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 33.555690] audit: type=1800 audit(1548766945.310:30): pid=7242 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 [....] startpar: service(s) returned failure: ssh ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.212' (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 syzkaller login: [ 43.658372] kobject_add_internal failed for hci3 (error: -2 parent: bluetooth) [ 43.667891] Bluetooth: Can't register HCI device executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.895692] kobject_add_internal failed for hci4 (error: -2 parent: bluetooth) [ 43.911141] Bluetooth: Can't register HCI device executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 44.390063] ------------[ cut here ]------------ [ 44.408745] sysfs group 'power' not found for kobject 'hci2' [ 44.418694] WARNING: CPU: 1 PID: 7609 at fs/sysfs/group.c:254 sysfs_remove_group+0x15b/0x1b0 [ 44.418849] kobject: 'rfkill191' (00000000c1d0a7a0): kobject_uevent_env [ 44.427289] Kernel panic - not syncing: panic_on_warn set ... [ 44.427299] CPU: 1 PID: 7609 Comm: syz-executor198 Not tainted 5.0.0-rc4+ #50 [ 44.427304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.427307] Call Trace: [ 44.427323] dump_stack+0x1db/0x2d0 [ 44.427333] ? dump_stack_print_info.cold+0x20/0x20 [ 44.427347] ? sysfs_remove_group+0xd0/0x1b0 [ 44.427357] panic+0x2cb/0x65c [ 44.427367] ? add_taint.cold+0x16/0x16 [ 44.427377] ? sysfs_remove_group+0x15b/0x1b0 [ 44.427386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.427398] ? __probe_kernel_read+0x1f4/0x250 [ 44.427407] ? __warn.cold+0x5/0x48 [ 44.427415] ? __warn+0xe8/0x1d0 [ 44.427427] ? sysfs_remove_group+0x15b/0x1b0 [ 44.436322] kobject: 'rfkill193' (0000000057916de8): kobject_uevent_env [ 44.440043] __warn.cold+0x20/0x48 [ 44.440054] ? sysfs_remove_group+0x15b/0x1b0 [ 44.440062] report_bug+0x263/0x2b0 [ 44.440087] do_error_trap+0x11b/0x200 [ 44.464623] kobject: 'rfkill193' (0000000057916de8): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3/rfkill193' [ 44.467984] do_invalid_op+0x37/0x50 [ 44.468001] ? sysfs_remove_group+0x15b/0x1b0 [ 44.468020] invalid_op+0x14/0x20 [ 44.479667] kobject: 'rfkill193' (0000000057916de8): kobject_cleanup, parent (null) [ 44.484034] RIP: 0010:sysfs_remove_group+0x15b/0x1b0 [ 44.484049] Code: 48 89 d9 49 8b 55 00 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 41 48 8b 33 48 c7 c7 60 2c 58 88 e8 f5 cc 4e ff <0f> 0b eb 92 e8 dc 7e c9 ff e9 d0 fe ff ff 48 89 df e8 cf 7e c9 ff [ 44.484057] RSP: 0018:ffff88808fc4f990 EFLAGS: 00010282 [ 44.484077] RAX: 0000000000000000 RBX: ffffffff889de700 RCX: 0000000000000000 [ 44.484086] RDX: 0000000000000000 RSI: ffffffff81685776 RDI: 0000000000000005 [ 44.484094] RBP: ffff88808fc4f9b8 R08: ffff8880890f8000 R09: ffffed1015ce3ef9 [ 44.484102] R10: ffffed1015ce3ef8 R11: ffff8880ae71f7c7 R12: 0000000000000000 [ 44.484113] R13: ffff888098bc9550 R14: ffffffff889deca0 R15: ffff888098bc9428 [ 44.490835] kobject: 'rfkill191' (00000000c1d0a7a0): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill191' [ 44.494218] ? vprintk_func+0x86/0x189 [ 44.494243] dpm_sysfs_remove+0x58/0x60 [ 44.494259] device_del+0x118/0xb70 [ 44.494277] ? __device_links_no_driver+0x330/0x330 [ 44.506087] kobject: 'rfkill191' (00000000c1d0a7a0): kobject_cleanup, parent (null) [ 44.512467] ? kobject_put+0x84/0xe0 [ 44.512494] hci_unregister_dev+0x39a/0x980 [ 44.512511] ? hci_bdaddr_list_clear+0x2f0/0x2f0 [ 44.517215] kobject: 'rfkill193' (0000000057916de8): calling ktype release [ 44.520528] vhci_release+0x76/0xf0 [ 44.520547] __fput+0x3c5/0xb10 [ 44.520565] ? vhci_close_dev+0x50/0x50 [ 44.539275] kobject: 'rfkill193': free name [ 44.542667] ? get_max_files+0x20/0x20 [ 44.542681] ? task_work_run+0x1bb/0x2b0 [ 44.542695] ? trace_hardirqs_off_caller+0x300/0x300 [ 44.542711] ? do_raw_spin_trylock+0x270/0x270 [ 44.553821] kobject: 'rfkill191' (00000000c1d0a7a0): calling ktype release [ 44.559281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.559310] ____fput+0x16/0x20 [ 44.559324] task_work_run+0x1f4/0x2b0 [ 44.574245] kobject: 'hci3' (0000000087b0dcb9): kobject_uevent_env [ 44.583327] ? task_work_cancel+0x2c0/0x2c0 [ 44.583347] ? __close_fd+0x25f/0x3d0 [ 44.583362] ? do_fast_syscall_32+0x13b/0xf98 [ 44.583382] exit_to_usermode_loop+0x32a/0x3b0 [ 44.583401] ? entry_SYSENTER_compat+0x70/0x7f [ 44.598276] kobject: 'rfkill191': free name [ 44.603266] ? syscall_trace_enter+0x12a0/0x12a0 [ 44.603283] ? __do_page_fault+0x3f1/0xd60 [ 44.603311] do_fast_syscall_32+0xc97/0xf98 [ 44.603328] ? do_int80_syscall_32+0x880/0x880 [ 44.603342] ? trace_hardirqs_off+0x310/0x310 [ 44.619280] kobject: 'hci3' (0000000087b0dcb9): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3' [ 44.625129] ? syscall_return_slowpath+0x3b0/0x5f0 [ 44.625147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.625161] ? prepare_exit_to_usermode+0x232/0x3b0 [ 44.625180] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.625203] entry_SYSENTER_compat+0x70/0x7f [ 44.637414] kobject: 'hci1' (00000000500f14ed): kobject_uevent_env [ 44.639976] RIP: 0023:0xf7fb2869 [ 44.639991] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 44.640000] RSP: 002b:00000000ff9cf18c EFLAGS: 00000246 ORIG_RAX: 0000000000000006 [ 44.640012] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00000000200000c0 [ 44.640022] RDX: 0000000000000004 RSI: 00000000080bc040 RDI: 000000002000000a [ 44.658160] kobject: 'hci1' (00000000500f14ed): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1' [ 44.661235] RBP: 00000000ff9cf1d8 R08: 0000000000000000 R09: 0000000000000000 [ 44.661244] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 44.661252] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 44.666122] Kernel Offset: disabled [ 44.908677] Rebooting in 86400 seconds..