[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.182' (ECDSA) to the list of known hosts. syzkaller login: [ 76.962966] IPVS: ftp: loaded support on port[0] = 21 [ 77.049432] IPVS: ftp: loaded support on port[0] = 21 [ 77.084071] IPVS: ftp: loaded support on port[0] = 21 [ 77.119859] IPVS: ftp: loaded support on port[0] = 21 [ 77.241373] IPVS: ftp: loaded support on port[0] = 21 [ 77.350293] IPVS: ftp: loaded support on port[0] = 21 [ 104.268194] watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor169:8264] [ 104.276136] Modules linked in: [ 104.279309] irq event stamp: 11268 [ 104.282830] hardirqs last enabled at (11267): [] kvm_wait+0x14b/0x240 [ 104.291037] hardirqs last disabled at (11268): [] apic_timer_interrupt+0x8e/0xa0 [ 104.300111] softirqs last enabled at (542): [] __do_softirq+0x68b/0x9ff [ 104.308489] softirqs last disabled at (431): [] irq_exit+0x193/0x240 [ 104.316524] CPU: 0 PID: 8264 Comm: syz-executor169 Not tainted 4.14.274-syzkaller #0 [ 104.324897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 104.334229] task: ffff888094292200 task.stack: ffff888094900000 [ 104.340266] RIP: 0010:native_safe_halt+0xe/0x10 [ 104.344909] RSP: 0018:ffff888094907b20 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 [ 104.352594] RAX: 1ffffffff11e130c RBX: ffffffff89ddb02c RCX: 1ffff1101285255f [ 104.359842] RDX: dffffc0000000000 RSI: ffff888094292ad8 RDI: ffff888094292a84 [ 104.367090] RBP: 0000000000000003 R08: 0000000000000001 R09: 0000000000000000 [ 104.368161] watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor169:8268] [ 104.374340] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000286 [ 104.382198] Modules linked in: [ 104.389441] R13: dffffc0000000000 R14: ffffffff89ddb02d R15: ffffed10174869e8 [ 104.392613] FS: 000055555712d300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 [ 104.399855] irq event stamp: 6906 [ 104.408058] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 104.411488] hardirqs last enabled at (6905): [] restore_regs_and_return_to_kernel+0x0/0x2a [ 104.417338] CR2: 000055555712d608 CR3: 000000009f27d000 CR4: 00000000003406f0 [ 104.417346] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 104.427815] hardirqs last disabled at (6906): [] apic_timer_interrupt+0x8e/0xa0 [ 104.435061] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 104.442321] softirqs last enabled at (1526): [] __do_softirq+0x68b/0x9ff [ 104.451295] Call Trace: [ 104.458549] softirqs last disabled at (1079): [] irq_exit+0x193/0x240 [ 104.467011] kvm_wait+0x179/0x240 [ 104.469566] CPU: 1 PID: 8268 Comm: syz-executor169 Not tainted 4.14.274-syzkaller #0 [ 104.477681] __pv_queued_spin_lock_slowpath+0x722/0x910 [ 104.481101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 104.488972] ? hci_send_to_channel+0x3c/0x200 [ 104.494309] task: ffff8880af7762c0 task.stack: ffff8880afb38000 [ 104.503644] queued_read_lock_slowpath+0x150/0x190 [ 104.508113] RIP: 0010:queued_write_lock_slowpath+0xcb/0x1d0 [ 104.514145] hci_send_to_channel+0x3c/0x200 [ 104.519047] RSP: 0018:ffff8880afb3fd10 EFLAGS: 00000206 [ 104.524734] hci_send_monitor_ctrl_event+0x3dd/0x500 [ 104.529022] ORIG_RAX: ffffffffffffff10 [ 104.529029] RAX: 0000000000000101 RBX: ffffffff89ddb028 RCX: 0000000000002417 [ 104.534370] mgmt_send_event+0x2b3/0x330 [ 104.539447] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff89ddb028 [ 104.539453] RBP: ffffffff89ddb02c R08: ffffffff8b9b6b78 R09: 0000000000040582 [ 104.543405] mgmt_index_removed+0x200/0x240 [ 104.550640] R10: ffff8880af776b98 R11: ffff8880af7762c0 R12: 0000000000000003 [ 104.550646] R13: fffffbfff13bb605 R14: 00000000000000ff R15: ffff8880b4530050 [ 104.554700] ? mgmt_index_added+0x210/0x210 [ 104.561949] FS: 000055555712d300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 [ 104.569208] ? _raw_read_unlock+0x29/0x40 [ 104.573496] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 104.580756] ? hci_dev_get+0xe6/0x190 [ 104.588008] CR2: 0000000020000280 CR3: 00000000b0046000 CR4: 00000000003406e0 [ 104.588016] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 104.592328] hci_sock_bind+0xe00/0x12b0 [ 104.600524] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 104.604657] ? hci_sock_ioctl+0x6c0/0x6c0 [ 104.610519] Call Trace: [ 104.614328] ? security_socket_bind+0x83/0xb0 [ 104.621583] do_raw_write_lock+0xc2/0x1d0 [ 104.628843] SyS_bind+0x174/0x1f0 [ 104.632794] bt_sock_unlink+0x1d/0x170 [ 104.640047] ? SyS_socketpair+0x480/0x480 [ 104.644172] hci_sock_release+0xc1/0x4c0 [ 104.646733] ? up_read+0x17/0x30 [ 104.651197] __sock_release+0xcd/0x2b0 [ 104.655320] ? __do_page_fault+0x159/0xad0 [ 104.658742] ? __sock_release+0x2b0/0x2b0 [ 104.662603] ? do_syscall_64+0x4c/0x640 [ 104.666721] sock_close+0x15/0x20 [ 104.670767] ? SyS_socketpair+0x480/0x480 [ 104.674199] __fput+0x25f/0x7a0 [ 104.678077] do_syscall_64+0x1d5/0x640 [ 104.682287] task_work_run+0x11f/0x190 [ 104.686406] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 104.690355] exit_to_usermode_loop+0x1ad/0x200 [ 104.693777] RIP: 0033:0x7f2cbb73c4f9 [ 104.697902] do_syscall_64+0x4a3/0x640 [ 104.701150] RSP: 002b:00007ffcd89c6398 EFLAGS: 00000246 [ 104.705016] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 104.708865] ORIG_RAX: 0000000000000031 [ 104.708872] RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f2cbb73c4f9 [ 104.714037] RIP: 0033:0x7f2cbb6fd26b [ 104.718585] RDX: 0000000000000006 RSI: 0000000020000280 RDI: 0000000000000004 [ 104.718591] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000150 [ 104.722279] RSP: 002b:00007ffcd89c6380 EFLAGS: 00000293 [ 104.726139] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcd89c6440 [ 104.731471] ORIG_RAX: 0000000000000003 [ 104.736635] R13: 00007ffcd89c6410 R14: 00007ffcd89c6400 R15: 0000000000000000 [ 104.740581] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f2cbb6fd26b [ 104.747830] Code: [ 104.751512] RDX: ffffffffffffffb8 RSI: 0000000020000040 RDI: 0000000000000006 [ 104.758755] c1 [ 104.765999] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000150 [ 104.771331] 5a [ 104.778578] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000012eb1 [ 104.782521] fa [ 104.789767] R13: 00007ffcd89c6410 R14: 00007ffcd89c6400 R15: 00007ffcd89c63b8 [ 104.797009] e9 [ 104.799141] Code: [ 104.806379] 4f [ 104.808242] 75 [ 104.815485] ff [ 104.817348] dc [ 104.824592] ff [ 104.826453] 49 [ 104.833697] ff [ 104.835560] 89 [ 104.837680] 48 [ 104.839541] dd [ 104.841402] 89 [ 104.843266] 49 [ 104.845127] ef [ 104.846989] 89 [ 104.848852] e8 [ 104.850713] dc [ 104.852574] ed [ 104.854434] 41 [ 104.856296] c1 [ 104.858157] be [ 104.860017] 5a fa [ 104.861881] ff [ 104.863743] eb [ 104.865605] 00 [ 104.867464] 93 [ 104.869325] 00 [ 104.871188] 90 [ 104.873047] 00 [ 104.874912] 90 [ 104.877036] 49 [ 104.878897] 90 [ 104.880757] c1 [ 104.882619] 90 [ 104.884481] ed [ 104.886341] 90 [ 104.888203] 03 [ 104.890066] 90 [ 104.891927] 41 [ 104.893787] 90 [ 104.895648] 83 [ 104.897512] 90 [ 104.899370] e4 [ 104.901231] 90 [ 104.903095] 07 [ 104.904957] 90 [ 104.906817] 48 [ 104.908677] 90 [ 104.910539] b8 [ 104.912400] e9 [ 104.914261] 00 [ 104.916122] 07 [ 104.917984] 00 [ 104.919847] 00 [ 104.921710] 00 [ 104.923571] 00 [ 104.925432] 00 [ 104.927293] 00 [ 104.929152] 00 [ 104.931014] 0f [ 104.932876] fc [ 104.934737] 00 [ 104.936596] ff [ 104.938456] 2d [ 104.940319] df [ 104.942178] 84 [ 104.944040] 49 [ 104.945900] 5a [ 104.947763] 01 [ 104.949625] 63 [ 104.951485] c5 [ 104.953347] 00 [ 104.955206] 41 [ 104.957071] fb [ 104.958932] 83 [ 104.960792] f4 [ 104.962653] c4 [ 104.964518] [ 104.966380] 03 [ 104.968243] 90 [ 104.970103] eb [ 104.971964] e9 [ 104.973825] 02 [ 104.975686] 07 [ 104.977548] f3 [ 104.979411] 00 [ 104.981448] 90 [ 104.983309] 00 [ 104.985170] <41> [ 104.987032] 00 [ 104.988891] 0f [ 104.990751] 0f [ 104.992612] b6 [ 104.994475] 00 [ 104.996335] 45 [ 104.998198] 2d [ 105.000060] 00 [ 105.002096] 74 [ 105.003956] 41 [ 105.005816] 5a [ 105.007677] 38 [ 105.009537] 63 [ 105.011399] c4 [ 105.013260] 00 [ 105.015124] 7c [ 105.016987] f4 [ 105.018851] 08 [ 105.020712] c3 [ 105.022574] 84 [ 105.024434] 90 [ 105.026296] c0 [ 105.028158] 90 [ 105.030020] 0f [ 105.031881] 41 [ 105.033741] 85 [ 105.035601] 55 [ 105.037462] 9e [ 105.039323] 41 [ 105.041186] 00 [ 105.044908] 00 [ 105.046772] Kernel panic - not syncing: softlockup: hung tasks [ 105.048632] 00 [ 105.050503] CPU: 0 PID: 8264 Comm: syz-executor169 Tainted: G L 4.14.274-syzkaller #0 [ 105.052355] 8b [ 105.054230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 105.056089] 03 [ 105.057952] Call Trace: [ 105.059814] 83 [ 105.065758] [ 105.096268] dump_stack+0x1b2/0x281 [ 105.099876] panic+0x1f9/0x42d [ 105.103046] ? add_taint.cold+0x16/0x16 [ 105.107007] watchdog_timer_fn.cold+0x16/0x25 [ 105.111483] __hrtimer_run_queues+0x30b/0xc80 [ 105.115960] ? watchdog+0x50/0x50 [ 105.119390] ? retrigger_next_event+0x310/0x310 [ 105.124036] ? ktime_get_update_offsets_now+0x272/0x3f0 [ 105.129379] hrtimer_interrupt+0x1e6/0x5e0 [ 105.133597] smp_apic_timer_interrupt+0x117/0x5e0 [ 105.138417] apic_timer_interrupt+0x93/0xa0 [ 105.142711] [ 105.144924] RIP: 0010:native_safe_halt+0xe/0x10 [ 105.149564] RSP: 0018:ffff888094907b20 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 [ 105.157249] RAX: 1ffffffff11e130c RBX: ffffffff89ddb02c RCX: 1ffff1101285255f [ 105.164499] RDX: dffffc0000000000 RSI: ffff888094292ad8 RDI: ffff888094292a84 [ 105.171746] RBP: 0000000000000003 R08: 0000000000000001 R09: 0000000000000000 [ 105.178994] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000286 [ 105.186239] R13: dffffc0000000000 R14: ffffffff89ddb02d R15: ffffed10174869e8 [ 105.193498] kvm_wait+0x179/0x240 [ 105.196929] __pv_queued_spin_lock_slowpath+0x722/0x910 [ 105.202274] ? hci_send_to_channel+0x3c/0x200 [ 105.206745] queued_read_lock_slowpath+0x150/0x190 [ 105.211651] hci_send_to_channel+0x3c/0x200 [ 105.215948] hci_send_monitor_ctrl_event+0x3dd/0x500 [ 105.221031] mgmt_send_event+0x2b3/0x330 [ 105.225074] mgmt_index_removed+0x200/0x240 [ 105.229374] ? mgmt_index_added+0x210/0x210 [ 105.233672] ? _raw_read_unlock+0x29/0x40 [ 105.237797] ? hci_dev_get+0xe6/0x190 [ 105.241574] hci_sock_bind+0xe00/0x12b0 [ 105.245528] ? hci_sock_ioctl+0x6c0/0x6c0 [ 105.249656] ? security_socket_bind+0x83/0xb0 [ 105.254131] SyS_bind+0x174/0x1f0 [ 105.257568] ? SyS_socketpair+0x480/0x480 [ 105.261698] ? up_read+0x17/0x30 [ 105.265041] ? __do_page_fault+0x159/0xad0 [ 105.269252] ? do_syscall_64+0x4c/0x640 [ 105.273203] ? SyS_socketpair+0x480/0x480 [ 105.277329] do_syscall_64+0x1d5/0x640 [ 105.281198] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 105.286366] RIP: 0033:0x7f2cbb73c4f9 [ 105.290050] RSP: 002b:00007ffcd89c6398 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 105.297734] RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f2cbb73c4f9 [ 105.304979] RDX: 0000000000000006 RSI: 0000000020000280 RDI: 0000000000000004 [ 105.312226] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000150 [ 105.319473] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcd89c6440 [ 105.326723] R13: 00007ffcd89c6410 R14: 00007ffcd89c6400 R15: 0000000000000000 [ 106.439963] Shutting down cpus with NMI [ 106.444113] Kernel Offset: disabled [ 106.447768] Rebooting in 86400 seconds..