Warning: Permanently added '10.128.1.38' (ECDSA) to the list of known hosts. syzkaller login: [ 79.765306] IPVS: ftp: loaded support on port[0] = 21 [ 79.850955] IPVS: ftp: loaded support on port[0] = 21 [ 79.911685] IPVS: ftp: loaded support on port[0] = 21 [ 79.967188] IPVS: ftp: loaded support on port[0] = 21 [ 80.056271] IPVS: ftp: loaded support on port[0] = 21 [ 80.158233] IPVS: ftp: loaded support on port[0] = 21 [ 104.272951] watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [kworker/u5:8:8041] [ 104.280783] Modules linked in: [ 104.283983] irq event stamp: 75588 [ 104.287523] hardirqs last enabled at (75587): [] kvm_wait+0x14b/0x240 [ 104.295779] hardirqs last disabled at (75588): [] apic_timer_interrupt+0x8e/0xa0 [ 104.304879] softirqs last enabled at (75584): [] __do_softirq+0x68b/0x9ff [ 104.313464] softirqs last disabled at (75575): [] irq_exit+0x193/0x240 [ 104.321781] CPU: 0 PID: 8041 Comm: kworker/u5:8 Not tainted 4.14.228-syzkaller #0 [ 104.330110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 104.339533] Workqueue: hci0 connectable_update_work [ 104.344547] task: ffff88809ce08300 task.stack: ffff8880b2910000 [ 104.350603] RIP: 0010:native_safe_halt+0xe/0x10 [ 104.355261] RSP: 0018:ffff8880b2917ab0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 [ 104.362961] RAX: 1ffffffff11e125c RBX: ffffffff89dd42ac RCX: 1ffff110139c1189 [ 104.370232] RDX: dffffc0000000000 RSI: ffff88809ce08c28 RDI: ffff88809ce08b84 [ 104.372909] watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor821:9055] [ 104.377515] RBP: 0000000000000003 R08: 0000000000000001 R09: 0000000000000000 [ 104.385406] Modules linked in: [ 104.392685] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000286 [ 104.395866] R13: dffffc0000000000 R14: ffffffff89dd42ad R15: ffffed10174855d8 [ 104.403129] irq event stamp: 5104 [ 104.410396] FS: 0000000000000000(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 [ 104.413842] hardirqs last enabled at (5103): [] restore_regs_and_return_to_kernel+0x0/0x2a [ 104.422060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 104.432558] hardirqs last disabled at (5104): [] apic_timer_interrupt+0x8e/0xa0 [ 104.438428] CR2: 000000000049b04d CR3: 00000000aa309000 CR4: 00000000001406f0 [ 104.447439] softirqs last enabled at (568): [] __do_softirq+0x68b/0x9ff [ 104.454722] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 104.463133] softirqs last disabled at (475): [] irq_exit+0x193/0x240 [ 104.470402] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 104.478468] CPU: 1 PID: 9055 Comm: syz-executor821 Not tainted 4.14.228-syzkaller #0 [ 104.485743] Call Trace: [ 104.493622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 104.496197] kvm_wait+0x179/0x240 [ 104.505557] task: ffff8880aaac0480 task.stack: ffff888091190000 [ 104.509005] __pv_queued_spin_lock_slowpath+0x722/0x910 [ 104.515042] RIP: 0010:queued_write_lock_slowpath+0xd0/0x1d0 [ 104.520930] ? hci_send_to_channel+0x3c/0x200 [ 104.526618] RSP: 0018:ffff888091197d10 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff10 [ 104.531108] queued_read_lock_slowpath+0x150/0x190 [ 104.531118] hci_send_to_channel+0x3c/0x200 [ 104.538807] RAX: 0000000000000000 RBX: ffffffff89dd42a8 RCX: 0000000000001c91 [ 104.543730] hci_send_monitor_ctrl_event+0x3dd/0x500 [ 104.548049] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff89dd42a8 [ 104.555336] mgmt_send_event+0x2b3/0x330 [ 104.561023] RBP: ffffffff89dd42ac R08: ffffffff8b99bf48 R09: 0000000000040582 [ 104.568321] mgmt_set_connectable_complete+0x299/0x310 [ 104.572376] R10: ffff8880aaac0d58 R11: ffff8880aaac0480 R12: 0000000000000003 [ 104.579651] ? mgmt_set_discoverable_complete+0x430/0x430 [ 104.584921] R13: fffffbfff13ba855 R14: 00000000000000ff R15: ffff8880aaf8a550 [ 104.592195] connectable_update_work+0xbf/0xf0 [ 104.597738] FS: 0000000000d2f300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 [ 104.605007] ? discoverable_update_work+0xf0/0xf0 [ 104.609595] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 104.617841] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 104.622661] CR2: 0000000000d2f608 CR3: 00000000aa9f4000 CR4: 00000000001406e0 [ 104.628541] process_one_work+0x793/0x14a0 [ 104.633965] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 104.641253] ? work_busy+0x320/0x320 [ 104.645485] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 104.645490] Call Trace: [ 104.652764] ? worker_thread+0x158/0xff0 [ 104.656479] do_raw_write_lock+0xc2/0x1d0 [ 104.663747] ? _raw_spin_unlock_irq+0x24/0x80 [ 104.666310] bt_sock_unlink+0x1d/0x170 [ 104.670364] worker_thread+0x5cc/0xff0 [ 104.674495] hci_sock_release+0xc1/0x4c0 [ 104.678982] ? rescuer_thread+0xc80/0xc80 [ 104.682849] __sock_release+0xcd/0x2b0 [ 104.686738] kthread+0x30d/0x420 [ 104.690873] ? __sock_release+0x2b0/0x2b0 [ 104.695004] ? kthread_create_on_node+0xd0/0xd0 [ 104.698876] sock_close+0x15/0x20 [ 104.702260] ret_from_fork+0x24/0x30 [ 104.706391] __fput+0x25f/0x7a0 [ 104.711128] Code: [ 104.714580] task_work_run+0x11f/0x190 [ 104.718270] 71 [ 104.721550] exit_to_usermode_loop+0x1ad/0x200 [ 104.723676] 5c [ 104.727556] do_syscall_64+0x4a3/0x640 [ 104.729415] fa [ 104.733989] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 104.735875] e9 [ 104.739750] RIP: 0033:0x40704b [ 104.741615] 4f [ 104.746804] RSP: 002b:00007ffebacd2840 EFLAGS: 00000293 [ 104.748674] ff [ 104.751849] ORIG_RAX: 0000000000000003 [ 104.753721] ff [ 104.759071] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 000000000040704b [ 104.760945] ff [ 104.764906] RDX: ffffffffffffffb8 RSI: 0000000020000040 RDI: 0000000000000004 [ 104.766789] 48 [ 104.774053] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000150 [ 104.775941] 89 [ 104.783222] R10: 0000000000000150 R11: 0000000000000293 R12: 0000000000d2f2b8 [ 104.785094] ef [ 104.792356] R13: 0000000000000072 R14: 00007ffebacd28c0 R15: 00007ffebacd2878 [ 104.792370] Code: [ 104.794257] e8 [ 104.801525] 49 [ 104.803402] 3d [ 104.810685] 89 [ 104.812833] 71 [ 104.814704] dc [ 104.816578] 5c [ 104.818448] 41 [ 104.820332] fa [ 104.822203] be [ 104.824070] eb [ 104.825940] ff [ 104.827810] 93 [ 104.829680] 00 [ 104.831568] 90 [ 104.833436] 00 [ 104.835303] 90 [ 104.837174] 00 [ 104.839045] 90 [ 104.840913] 49 [ 104.842801] 90 [ 104.844671] c1 [ 104.846540] 90 [ 104.848410] ed [ 104.850398] 90 [ 104.852273] 03 [ 104.854140] 90 [ 104.856021] 41 [ 104.857896] 90 [ 104.859764] 83 [ 104.861635] 90 [ 104.863510] e4 [ 104.865378] 90 [ 104.867250] 07 [ 104.869125] 90 [ 104.871020] 48 [ 104.872891] e9 [ 104.874760] b8 [ 104.876632] 07 [ 104.878500] 00 [ 104.880396] 00 [ 104.882293] 00 [ 104.884162] 00 [ 104.886047] 00 [ 104.887923] 00 [ 104.889793] 00 [ 104.891664] 0f [ 104.893534] 00 [ 104.895402] 00 [ 104.897272] fc [ 104.899142] 2d [ 104.901013] ff [ 104.902883] 54 [ 104.904756] df [ 104.906626] 48 [ 104.908510] 49 [ 104.910394] 65 [ 104.912265] 01 [ 104.914154] 00 [ 104.916023] c5 [ 104.917892] fb [ 104.919781] 41 [ 104.921668] f4 [ 104.923543] 83 [ 104.925421] [ 104.927288] c4 [ 104.929157] 90 [ 104.931025] 03 [ 104.932910] e9 [ 104.934954] eb [ 104.936825] 07 [ 104.938695] 02 [ 104.940565] 00 [ 104.942434] f3 [ 104.944331] 00 [ 104.946205] 90 [ 104.948073] 00 [ 104.949943] 41 [ 104.951831] 0f [ 104.953701] 0f [ 104.955576] 00 [ 104.957463] b6 [ 104.959351] 2d [ 104.961220] 45 [ 104.963088] 44 [ 104.964982] 00 [ 104.966851] 48 [ 104.968720] <41> [ 104.970587] 65 [ 104.972458] 38 [ 104.974327] 00 [ 104.976198] c4 [ 104.978241] f4 [ 104.980109] 7c [ 104.981998] c3 90 [ 104.983877] 08 [ 104.985747] 90 [ 104.987639] 84 [ 104.989508] 41 [ 104.991642] c0 [ 104.993513] 55 [ 104.995384] 0f [ 104.997277] 41 [ 104.999152] 85 [ 105.003023] 9e [ 105.004910] Kernel panic - not syncing: softlockup: hung tasks [ 105.006795] 00 [ 105.008684] CPU: 0 PID: 8041 Comm: kworker/u5:8 Tainted: G L 4.14.228-syzkaller #0 [ 105.010564] 00 [ 105.016547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 105.018416] 00 [ 105.027246] Workqueue: hci0 connectable_update_work [ 105.029119] 8b [ 105.040349] 03 [ 105.045348] Call Trace: [ 105.047236] 83 [ 105.049107] [ 105.051692] f8 [ 105.053592] dump_stack+0x1b2/0x281 [ 105.055709] 01 [ 105.057584] panic+0x1f9/0x42d [ 105.061271] 75 [ 105.063523] ? add_taint.cold+0x16/0x16 [ 105.066703] e5 [ 105.068587] watchdog_timer_fn.cold+0x16/0x25 [ 105.072543] f0 [ 105.074424] __hrtimer_run_queues+0x30b/0xc80 [ 105.080773] ? watchdog+0x50/0x50 [ 105.088707] ? retrigger_next_event+0x310/0x310 [ 105.093386] ? ktime_get_update_offsets_now+0x272/0x3f0 [ 105.098781] hrtimer_interrupt+0x1e6/0x5e0 [ 105.103022] smp_apic_timer_interrupt+0x117/0x5e0 [ 105.107865] apic_timer_interrupt+0x93/0xa0 [ 105.112180] [ 105.114439] RIP: 0010:native_safe_halt+0xe/0x10 [ 105.119201] RSP: 0018:ffff8880b2917ab0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 [ 105.126910] RAX: 1ffffffff11e125c RBX: ffffffff89dd42ac RCX: 1ffff110139c1189 [ 105.134271] RDX: dffffc0000000000 RSI: ffff88809ce08c28 RDI: ffff88809ce08b84 [ 105.141542] RBP: 0000000000000003 R08: 0000000000000001 R09: 0000000000000000 [ 105.148811] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000286 [ 105.156695] R13: dffffc0000000000 R14: ffffffff89dd42ad R15: ffffed10174855d8 [ 105.164081] kvm_wait+0x179/0x240 [ 105.167533] __pv_queued_spin_lock_slowpath+0x722/0x910 [ 105.172915] ? hci_send_to_channel+0x3c/0x200 [ 105.177410] queued_read_lock_slowpath+0x150/0x190 [ 105.182336] hci_send_to_channel+0x3c/0x200 [ 105.186829] hci_send_monitor_ctrl_event+0x3dd/0x500 [ 105.191941] mgmt_send_event+0x2b3/0x330 [ 105.196026] mgmt_set_connectable_complete+0x299/0x310 [ 105.201300] ? mgmt_set_discoverable_complete+0x430/0x430 [ 105.206854] connectable_update_work+0xbf/0xf0 [ 105.211431] ? discoverable_update_work+0xf0/0xf0 [ 105.216286] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 105.221749] process_one_work+0x793/0x14a0 [ 105.225981] ? work_busy+0x320/0x320 [ 105.229683] ? worker_thread+0x158/0xff0 [ 105.233757] ? _raw_spin_unlock_irq+0x24/0x80 [ 105.238250] worker_thread+0x5cc/0xff0 [ 105.242151] ? rescuer_thread+0xc80/0xc80 [ 105.246293] kthread+0x30d/0x420 [ 105.249648] ? kthread_create_on_node+0xd0/0xd0 [ 105.254311] ret_from_fork+0x24/0x30 [ 106.352207] Shutting down cpus with NMI [ 106.356756] Kernel Offset: disabled [ 106.360434] Rebooting in 86400 seconds..