[ 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 '10.128.0.150' (ECDSA) to the list of known hosts. syzkaller login: [ 70.329560] IPVS: ftp: loaded support on port[0] = 21 [ 70.410602] IPVS: ftp: loaded support on port[0] = 21 [ 70.454414] IPVS: ftp: loaded support on port[0] = 21 [ 70.556827] IPVS: ftp: loaded support on port[0] = 21 [ 70.637841] IPVS: ftp: loaded support on port[0] = 21 [ 96.261747] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor239:8192] [ 96.269883] Modules linked in: [ 96.273100] irq event stamp: 6316 [ 96.276535] hardirqs last enabled at (6315): [] restore_regs_and_return_to_kernel+0x0/0x2a [ 96.286575] hardirqs last disabled at (6316): [] apic_timer_interrupt+0x8e/0xa0 [ 96.295573] softirqs last enabled at (1200): [] __do_softirq+0x68b/0x9ff [ 96.304040] softirqs last disabled at (1087): [] irq_exit+0x193/0x240 [ 96.312180] CPU: 0 PID: 8192 Comm: syz-executor239 Not tainted 4.14.268-syzkaller #0 [ 96.320676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.330022] task: ffff8880afac23c0 task.stack: ffff8880afeb8000 [ 96.336124] RIP: 0010:queued_write_lock_slowpath+0xcb/0x1d0 [ 96.341814] RSP: 0018:ffff8880afebfd10 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff10 [ 96.349552] RAX: 0000000000000101 RBX: ffffffff89dda928 RCX: 0000000000005eb1 [ 96.356801] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff89dda928 [ 96.361726] watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor239:8187] [ 96.364053] RBP: ffffffff89dda92c R08: ffffffff8b9d2048 R09: 0000000000040584 [ 96.371914] Modules linked in: [ 96.379162] R10: ffff8880afac2c98 R11: ffff8880afac23c0 R12: 0000000000000003 [ 96.379168] R13: fffffbfff13bb525 R14: 00000000000000ff R15: ffff8880b4e27a90 [ 96.389591] FS: 0000555556eca300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 [ 96.396845] irq event stamp: 33298 [ 96.405045] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.408566] hardirqs last enabled at (33297): [] kvm_wait+0x14b/0x240 [ 96.414949] CR2: 0000000020000040 CR3: 00000000a88c3000 CR4: 00000000003406f0 [ 96.423157] hardirqs last disabled at (33298): [] apic_timer_interrupt+0x8e/0xa0 [ 96.430400] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 96.439475] softirqs last enabled at (33294): [] __do_softirq+0x68b/0x9ff [ 96.446719] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 96.455268] softirqs last disabled at (33287): [] irq_exit+0x193/0x240 [ 96.455277] CPU: 1 PID: 8187 Comm: syz-executor239 Not tainted 4.14.268-syzkaller #0 [ 96.462517] Call Trace: [ 96.470805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.478684] do_raw_write_lock+0xc2/0x1d0 [ 96.481235] task: ffff8880af8a0280 task.stack: ffff88809b5c0000 [ 96.490568] bt_sock_unlink+0x1d/0x170 [ 96.494705] RIP: 0010:native_safe_halt+0xe/0x10 [ 96.500731] hci_sock_release+0xc1/0x4c0 [ 96.504586] RSP: 0018:ffff88809b5c7b20 EFLAGS: 00000286 [ 96.509233] __sock_release+0xcd/0x2b0 [ 96.513262] ORIG_RAX: ffffffffffffff10 [ 96.518860] ? __sock_release+0x2b0/0x2b0 [ 96.522719] RAX: 1ffffffff11e127c RBX: ffffffff89dda92c RCX: 1ffff11015f1416f [ 96.526680] sock_close+0x15/0x20 [ 96.530822] RDX: dffffc0000000000 RSI: ffff8880af8a0b58 RDI: ffff8880af8a0b04 [ 96.538125] __fput+0x25f/0x7a0 [ 96.541554] RBP: 0000000000000003 R08: 0000000000000001 R09: 0000000000000000 [ 96.548817] task_work_run+0x11f/0x190 [ 96.552068] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000286 [ 96.559320] exit_to_usermode_loop+0x1ad/0x200 [ 96.563193] R13: dffffc0000000000 R14: ffffffff89dda92d R15: ffffed10174a69e8 [ 96.570455] do_syscall_64+0x4a3/0x640 [ 96.575562] FS: 0000555556eca300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 [ 96.575569] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.582835] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 96.586702] CR2: 0000555556eca608 CR3: 000000009b1f9000 CR4: 00000000003406e0 [ 96.594905] RIP: 0033:0x7f1d7921d26b [ 96.600760] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 96.605922] RSP: 002b:00007ffedaf54ea0 EFLAGS: 00000293 [ 96.613167] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 96.616853] ORIG_RAX: 0000000000000003 [ 96.624095] Call Trace: [ 96.629431] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007f1d7921d26b [ 96.636772] kvm_wait+0x179/0x240 [ 96.640886] RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000005 [ 96.643468] __pv_queued_spin_lock_slowpath+0x722/0x910 [ 96.650709] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000150 [ 96.654139] ? hci_send_to_channel+0x3c/0x200 [ 96.661381] R10: 0000000000000150 R11: 0000000000000293 R12: 0000000000011437 [ 96.666724] queued_read_lock_slowpath+0x150/0x190 [ 96.673981] R13: 00007ffedaf54f30 R14: 00007ffedaf54f20 R15: 00007ffedaf54ed8 [ 96.678453] hci_send_to_channel+0x3c/0x200 [ 96.685708] Code: [ 96.690663] hci_send_monitor_ctrl_event+0x3dd/0x500 [ 96.697913] 75 [ 96.702232] mgmt_send_event+0x2b3/0x330 [ 96.704346] dc [ 96.709432] mgmt_index_removed+0x200/0x240 [ 96.711284] 49 [ 96.715320] ? mgmt_index_added+0x210/0x210 [ 96.717176] 89 [ 96.721500] ? _raw_read_unlock+0x29/0x40 [ 96.723444] dd [ 96.727744] ? hci_dev_get+0xe6/0x190 [ 96.729609] 49 [ 96.733916] hci_sock_bind+0xe00/0x12b0 [ 96.735774] 89 [ 96.739550] ? hci_sock_ioctl+0x6c0/0x6c0 [ 96.741411] dc [ 96.745416] ? security_socket_bind+0x83/0xb0 [ 96.747288] 41 [ 96.751556] SyS_bind+0x174/0x1f0 [ 96.753416] be [ 96.757891] ? SyS_socketpair+0x480/0x480 [ 96.759752] ff [ 96.763188] ? up_read+0x17/0x30 [ 96.765041] 00 [ 96.769175] ? __do_page_fault+0x159/0xad0 [ 96.771032] 00 [ 96.774376] ? do_syscall_64+0x4c/0x640 [ 96.776247] 00 [ 96.780461] ? SyS_socketpair+0x480/0x480 [ 96.782319] 49 [ 96.786270] do_syscall_64+0x1d5/0x640 [ 96.788127] c1 [ 96.792259] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 96.794113] ed [ 96.797977] RIP: 0033:0x7f1d7925c4f9 [ 96.799835] 03 [ 96.804996] RSP: 002b:00007ffedaf54eb8 EFLAGS: 00000246 [ 96.806863] 41 [ 96.810552] ORIG_RAX: 0000000000000031 [ 96.812414] 83 [ 96.817755] RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f1d7925c4f9 [ 96.819617] e4 [ 96.823579] RDX: 0000000000000006 RSI: 0000000020000240 RDI: 0000000000000004 [ 96.825443] 07 [ 96.832714] RBP: 0000000000000000 R08: 0000000000000150 R09: 0000000000000150 [ 96.834583] 48 [ 96.842305] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000011426 [ 96.844183] b8 [ 96.851432] R13: 00007ffedaf54f30 R14: 00007ffedaf54f20 R15: 00007ffedaf54ed8 [ 96.853292] 00 [ 96.860549] Code: [ 96.862412] 00 [ 96.870631] d3 [ 96.872506] 00 [ 96.874637] 5a [ 96.876508] 00 [ 96.878394] fa [ 96.880256] 00 [ 96.882120] e9 [ 96.883984] fc [ 96.885863] 4f [ 96.887738] ff [ 96.889603] ff [ 96.891486] df [ 96.893349] ff [ 96.895213] 49 [ 96.897076] ff [ 96.898940] 01 [ 96.900804] 48 [ 96.902667] c5 [ 96.904535] 89 [ 96.906399] 41 [ 96.908265] ef [ 96.910137] 83 [ 96.912002] e8 [ 96.913871] c4 [ 96.915734] cd [ 96.917613] 03 [ 96.919477] d3 [ 96.921342] eb [ 96.923205] 5a [ 96.925068] 02 [ 96.926930] fa [ 96.928795] f3 [ 96.930662] eb [ 96.932540] 90 [ 96.934403] 93 [ 96.936267] <41> [ 96.938147] 90 [ 96.940015] 0f [ 96.941910] 90 [ 96.943947] b6 [ 96.945905] 90 [ 96.947766] 45 [ 96.949646] 90 [ 96.951597] 00 [ 96.953462] 90 [ 96.955502] 41 [ 96.957375] 90 [ 96.959238] 38 [ 96.961100] 90 [ 96.962965] c4 [ 96.964831] 90 [ 96.966696] 7c [ 96.968559] 90 [ 96.970430] 08 [ 96.972295] 90 [ 96.974163] 84 [ 96.976026] 90 [ 96.977891] c0 [ 96.979756] e9 [ 96.981622] 0f [ 96.983486] 07 [ 96.985348] 85 [ 96.987213] 00 [ 96.989077] 9e [ 96.990943] 00 [ 96.992809] 00 [ 96.994672] 00 [ 96.996539] 00 [ 96.998404] 0f [ 97.000267] 00 [ 97.002132] 00 [ 97.003998] 8b [ 97.005862] 2d [ 97.007726] 03 [ 97.009599] 94 [ 97.011476] 83 [ 97.013342] 64 [ 97.017071] 63 [ 97.018937] Kernel panic - not syncing: softlockup: hung tasks [ 97.020802] 00 [ 97.022675] CPU: 0 PID: 8192 Comm: syz-executor239 Tainted: G L 4.14.268-syzkaller #0 [ 97.028645] fb [ 97.030524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.039608] f4 [ 97.041476] Call Trace: [ 97.050819] [ 97.052688] [ 97.055246] 90 [ 97.057298] dump_stack+0x1b2/0x281 [ 97.059434] e9 [ 97.061310] panic+0x1f9/0x42d [ 97.064991] 07 [ 97.066860] ? add_taint.cold+0x16/0x16 [ 97.070020] 00 [ 97.071901] watchdog_timer_fn.cold+0x16/0x25 [ 97.075854] 00 [ 97.077728] __hrtimer_run_queues+0x30b/0xc80 [ 97.082222] 00 [ 97.084092] ? watchdog+0x50/0x50 [ 97.088558] 0f [ 97.090437] ? retrigger_next_event+0x310/0x310 [ 97.093861] 00 [ 97.095731] ? ktime_get_update_offsets_now+0x272/0x3f0 [ 97.100457] 2d [ 97.102332] hrtimer_interrupt+0x1e6/0x5e0 [ 97.107667] 84 [ 97.109545] smp_apic_timer_interrupt+0x117/0x5e0 [ 97.113757] 64 [ 97.115629] apic_timer_interrupt+0x93/0xa0 [ 97.120440] 63 [ 97.122307] [ 97.126604] 00 [ 97.128474] RIP: 0010:queued_write_lock_slowpath+0xcb/0x1d0 [ 97.130679] f4 [ 97.132563] RSP: 0018:ffff8880afebfd10 EFLAGS: 00000206 [ 97.138259] c3 [ 97.140131] ORIG_RAX: ffffffffffffff10 [ 97.145467] 90 [ 97.147341] RAX: 0000000000000101 RBX: ffffffff89dda928 RCX: 0000000000005eb1 [ 97.151289] 90 [ 97.153157] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff89dda928 [ 97.160488] 41 [ 97.162355] RBP: ffffffff89dda92c R08: ffffffff8b9d2048 R09: 0000000000040584 [ 97.169601] 55 [ 97.171645] R10: ffff8880afac2c98 R11: ffff8880afac23c0 R12: 0000000000000003 [ 97.178895] 41 [ 97.180763] R13: fffffbfff13bb525 R14: 00000000000000ff R15: ffff8880b4e27a90 [ 97.197228] do_raw_write_lock+0xc2/0x1d0 [ 97.201357] bt_sock_unlink+0x1d/0x170 [ 97.205224] hci_sock_release+0xc1/0x4c0 [ 97.209270] __sock_release+0xcd/0x2b0 [ 97.213139] ? __sock_release+0x2b0/0x2b0 [ 97.217268] sock_close+0x15/0x20 [ 97.220706] __fput+0x25f/0x7a0 [ 97.223984] task_work_run+0x11f/0x190 [ 97.227957] exit_to_usermode_loop+0x1ad/0x200 [ 97.232519] do_syscall_64+0x4a3/0x640 [ 97.236390] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 97.241562] RIP: 0033:0x7f1d7921d26b [ 97.245252] RSP: 002b:00007ffedaf54ea0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 97.252953] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007f1d7921d26b [ 97.260208] RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000005 [ 97.267455] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000150 [ 97.274704] R10: 0000000000000150 R11: 0000000000000293 R12: 0000000000011437 [ 97.281955] R13: 00007ffedaf54f30 R14: 00007ffedaf54f20 R15: 00007ffedaf54ed8 [ 98.397507] Shutting down cpus with NMI [ 98.401667] Kernel Offset: disabled [ 98.405336] Rebooting in 86400 seconds..