Warning: Permanently added '10.128.0.41' (ECDSA) to the list of known hosts. [ 638.288532] IPVS: ftp: loaded support on port[0] = 21 executing program [ 640.331118] Bluetooth: hci0 command 0x0409 tx timeout [ 642.410822] Bluetooth: hci0 command 0x041b tx timeout [ 644.490541] Bluetooth: hci0 command 0x040f tx timeout [ 646.570381] Bluetooth: hci0 command 0x0419 tx timeout [ 762.803261] Bluetooth: hci0 command 0x0406 tx timeout [ 857.998248] INFO: task syz-executor254:7999 blocked for more than 140 seconds. [ 858.005691] Not tainted 4.14.290-syzkaller #0 [ 858.011024] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 858.019041] syz-executor254 D25736 7999 7998 0x00000000 [ 858.024730] Call Trace: [ 858.027302] __schedule+0x88b/0x1de0 [ 858.031067] ? io_schedule_timeout+0x140/0x140 [ 858.035644] ? mark_held_locks+0xa6/0xf0 [ 858.039731] ? _raw_spin_unlock_irq+0x24/0x80 [ 858.044223] ? rwsem_down_read_failed+0x1e6/0x350 [ 858.049092] schedule+0x8d/0x1b0 [ 858.052467] rwsem_down_read_failed+0x1e6/0x350 [ 858.057130] ? rt_mutex_futex_unlock+0xc0/0xc0 [ 858.061756] ? unwind_get_return_address+0x51/0x90 [ 858.066677] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 858.072077] call_rwsem_down_read_failed+0x14/0x30 [ 858.077013] down_read+0x44/0x80 [ 858.080404] ? lookup_slow+0x129/0x400 [ 858.084280] lookup_slow+0x129/0x400 [ 858.087986] ? follow_dotdot_rcu+0xf00/0xf00 [ 858.092434] ? lookup_fast+0x430/0xe30 [ 858.096316] ? trace_hardirqs_on+0x10/0x10 [ 858.100569] walk_component+0x6a1/0xbc0 [ 858.104532] ? lookup_fast+0xe30/0xe30 [ 858.108437] ? fuse_allow_current_process+0x48/0x2b0 [ 858.113530] ? security_inode_permission+0xb5/0xf0 [ 858.118502] ? fuse_allow_current_process+0x2b0/0x2b0 [ 858.123682] link_path_walk+0x823/0x10a0 [ 858.127722] ? walk_component+0xbc0/0xbc0 [ 858.131900] path_openat+0x15e/0x2970 [ 858.135691] ? do_nanosleep+0x1c3/0x600 [ 858.139683] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 858.144514] ? path_lookupat+0x780/0x780 [ 858.148598] ? trace_hardirqs_on+0x10/0x10 [ 858.152824] ? free_object+0xe4/0x240 [ 858.156625] do_filp_open+0x179/0x3c0 [ 858.160442] ? may_open_dev+0xe0/0xe0 [ 858.164234] ? lock_downgrade+0x740/0x740 [ 858.168403] ? do_raw_spin_unlock+0x164/0x220 [ 858.172889] ? _raw_spin_unlock+0x29/0x40 [ 858.177044] ? __alloc_fd+0x1be/0x490 [ 858.181011] ? timespec_trunc+0x120/0x120 [ 858.185156] do_sys_open+0x296/0x410 [ 858.189510] ? filp_open+0x60/0x60 [ 858.193062] ? do_syscall_64+0x4c/0x640 [ 858.197018] ? SyS_open+0x30/0x30 [ 858.200493] do_syscall_64+0x1d5/0x640 [ 858.204372] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 858.209577] RIP: 0033:0x7f724210e288 [ 858.213272] RSP: 002b:00007ffd09739130 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 [ 858.220996] RAX: ffffffffffffffda RBX: 00007ffd097391a0 RCX: 00007f724210e288 [ 858.228294] RDX: 0000000000090800 RSI: 00007f7242164004 RDI: 00000000ffffff9c [ 858.235550] RBP: 0000000000000003 R08: 0000000000090800 R09: 00007f7242164004 [ 858.242836] R10: 0000000000000000 R11: 0000000000000287 R12: 00007ffd09739320 [ 858.250130] R13: 0000000000000003 R14: 00007ffd09739390 R15: 00007ffd09739380 [ 858.257415] INFO: task syz-executor254:8036 blocked for more than 140 seconds. [ 858.264804] Not tainted 4.14.290-syzkaller #0 [ 858.269851] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 858.277798] syz-executor254 D27928 8036 7999 0x00000004 [ 858.283439] Call Trace: [ 858.286016] __schedule+0x88b/0x1de0 [ 858.289757] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 858.294769] ? io_schedule_timeout+0x140/0x140 [ 858.299394] schedule+0x8d/0x1b0 [ 858.302770] request_wait_answer+0x30d/0x620 [ 858.307156] ? queue_interrupt+0x1f0/0x1f0 [ 858.311414] ? wait_woken+0x230/0x230 [ 858.315207] __fuse_request_send+0x108/0x1a0 [ 858.319642] fuse_simple_request+0x2fa/0x790 [ 858.324043] fuse_lookup_name+0x228/0x550 [ 858.328219] ? fuse_readdir+0x11c0/0x11c0 [ 858.332374] ? d_alloc_parallel+0x666/0x16b0 [ 858.336767] fuse_lookup+0x102/0x3e0 [ 858.340506] ? is_bpf_text_address+0xb8/0x150 [ 858.344993] ? fuse_lookup_name+0x550/0x550 [ 858.349339] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 858.354689] ? __save_stack_trace+0xa0/0x160 [ 858.359145] lookup_slow+0x20a/0x400 [ 858.362872] ? follow_dotdot_rcu+0xf00/0xf00 [ 858.367274] ? lookup_fast+0x430/0xe30 [ 858.371229] ? trace_hardirqs_on+0x10/0x10 [ 858.375472] walk_component+0x6a1/0xbc0 [ 858.379468] ? lookup_fast+0xe30/0xe30 [ 858.383345] ? fuse_allow_current_process+0x48/0x2b0 [ 858.389046] ? security_inode_permission+0xb5/0xf0 [ 858.393962] ? fuse_allow_current_process+0x2b0/0x2b0 [ 858.399177] link_path_walk+0x823/0x10a0 [ 858.403237] ? walk_component+0xbc0/0xbc0 [ 858.407379] path_openat+0x15e/0x2970 [ 858.411202] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 858.416056] ? path_lookupat+0x780/0x780 [ 858.420141] ? trace_hardirqs_on+0x10/0x10 [ 858.424386] do_filp_open+0x179/0x3c0 [ 858.428206] ? may_open_dev+0xe0/0xe0 [ 858.432071] ? lock_downgrade+0x740/0x740 [ 858.436206] ? do_raw_spin_unlock+0x164/0x220 [ 858.440736] ? _raw_spin_unlock+0x29/0x40 [ 858.444874] ? __alloc_fd+0x1be/0x490 [ 858.448701] do_sys_open+0x296/0x410 [ 858.452405] ? filp_open+0x60/0x60 [ 858.455926] ? do_syscall_64+0x4c/0x640 [ 858.459923] ? SyS_open+0x30/0x30 [ 858.463390] do_syscall_64+0x1d5/0x640 [ 858.467270] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 858.472497] RIP: 0033:0x7f724210e6c9 [ 858.476196] RSP: 002b:00007f72418bd2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 858.484023] RAX: ffffffffffffffda RBX: 00007f72421994c0 RCX: 00007f724210e6c9 [ 858.491498] RDX: 0000000000000042 RSI: 0000000020002080 RDI: ffffffffffffff9c [ 858.498798] RBP: 00007f72421662f4 R08: 0000000000000065 R09: 0000000000000000 [ 858.506055] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000065 [ 858.513350] R13: 00007f7242166318 R14: 31f4000000000002 R15: 00007f72421994c8 [ 858.520701] INFO: task syz-executor254:8039 blocked for more than 140 seconds. [ 858.528093] Not tainted 4.14.290-syzkaller #0 [ 858.533095] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 858.541079] syz-executor254 D29312 8039 7999 0x00000004 [ 858.546699] Call Trace: [ 858.549316] __schedule+0x88b/0x1de0 [ 858.553022] ? io_schedule_timeout+0x140/0x140 [ 858.557583] ? mark_held_locks+0xa6/0xf0 [ 858.561670] ? _raw_spin_unlock_irq+0x24/0x80 [ 858.566158] ? rwsem_down_write_failed+0x33e/0x6d0 [ 858.571130] schedule+0x8d/0x1b0 [ 858.574487] rwsem_down_write_failed+0x343/0x6d0 [ 858.579271] ? rwsem_down_read_failed_killable+0x520/0x520 [ 858.584888] ? lock_downgrade+0x740/0x740 [ 858.589075] call_rwsem_down_write_failed+0x13/0x20 [ 858.594081] down_write_nested+0x51/0x90 [ 858.598312] ? fuse_reverse_inval_entry+0x9e/0x5f0 [ 858.603231] fuse_reverse_inval_entry+0x9e/0x5f0 [ 858.607984] ? fuse_dev_do_write+0x1ec7/0x25c0 [ 858.612585] ? fuse_update_attributes+0xc0/0xc0 [ 858.617244] fuse_dev_do_write+0x1f22/0x25c0 [ 858.621681] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 858.626688] ? fuse_dev_read+0x1a0/0x1a0 [ 858.630775] ? lock_downgrade+0x740/0x740 [ 858.634918] ? wake_up_q+0x82/0xd0 [ 858.638493] ? drop_futex_key_refs+0x2e/0xa0 [ 858.642897] ? aa_file_perm+0x2dd/0xab0 [ 858.646855] ? lock_acquire+0x170/0x3f0 [ 858.650863] ? lock_downgrade+0x740/0x740 [ 858.655028] fuse_dev_write+0x125/0x1a0 [ 858.659029] ? fuse_dev_splice_write+0x940/0x940 [ 858.663780] ? iov_iter_init+0xa6/0x1c0 [ 858.667731] ? iov_iter_init+0xa6/0x1c0 [ 858.671754] __vfs_write+0x44c/0x630 [ 858.675470] ? kernel_read+0x110/0x110 [ 858.679401] ? rw_verify_area+0xe1/0x2a0 [ 858.683541] vfs_write+0x17f/0x4d0 [ 858.687063] SyS_write+0xf2/0x210 [ 858.691005] ? SyS_read+0x210/0x210 [ 858.694744] ? do_syscall_64+0x4c/0x640 [ 858.698745] ? SyS_read+0x210/0x210 [ 858.702366] do_syscall_64+0x1d5/0x640 [ 858.706237] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 858.711463] RIP: 0033:0x7f724210e6c9 [ 858.715166] RSP: 002b:00007f724189c2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 858.722914] RAX: ffffffffffffffda RBX: 00007f72421994d0 RCX: 00007f724210e6c9 [ 858.730239] RDX: 000000000000002c RSI: 00000000200000c0 RDI: 0000000000000003 [ 858.737542] RBP: 00007f72421662f4 R08: 0000000000000000 R09: 0000000000000000 [ 858.744848] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 858.752155] R13: 00007f7242166318 R14: 31f4000000000002 R15: 00007f72421994d8 [ 858.759475] [ 858.759475] Showing all locks held in the system: [ 858.765804] 1 lock held by khungtaskd/1533: [ 858.770214] #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x7c/0x21a [ 858.779319] 1 lock held by in:imklog/7690: [ 858.783535] #0: (&f->f_pos_lock){+.+.}, at: [] __fdget_pos+0x1fb/0x2b0 [ 858.791970] 1 lock held by syz-executor254/7999: [ 858.796707] #0: (&type->i_mutex_dir_key#7){++++}, at: [] lookup_slow+0x129/0x400 [ 858.806033] 2 locks held by syz-executor254/8036: [ 858.810917] #0: (&type->i_mutex_dir_key#7){++++}, at: [] lookup_slow+0x129/0x400 [ 858.820360] #1: (&fi->mutex){+.+.}, at: [] fuse_lock_inode+0xb0/0xe0 [ 858.828654] 2 locks held by syz-executor254/8039: [ 858.833488] #0: (&fc->killsb){.+.+}, at: [] fuse_dev_do_write+0x1ec7/0x25c0 [ 858.842384] #1: (&type->i_mutex_dir_key#7/1){+.+.}, at: [] fuse_reverse_inval_entry+0x9e/0x5f0 [ 858.852937] [ 858.854549] ============================================= [ 858.854549] [ 858.861741] NMI backtrace for cpu 0 [ 858.865360] CPU: 0 PID: 1533 Comm: khungtaskd Not tainted 4.14.290-syzkaller #0 [ 858.872796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 858.882128] Call Trace: [ 858.884699] dump_stack+0x1b2/0x281 [ 858.888304] nmi_cpu_backtrace.cold+0x57/0x93 [ 858.892776] ? irq_force_complete_move+0x350/0x350 [ 858.897687] nmi_trigger_cpumask_backtrace+0x13a/0x180 [ 858.902942] watchdog+0x5b9/0xb40 [ 858.906375] ? hungtask_pm_notify+0x50/0x50 [ 858.910675] kthread+0x30d/0x420 [ 858.914016] ? kthread_create_on_node+0xd0/0xd0 [ 858.918660] ret_from_fork+0x24/0x30 [ 858.922417] Sending NMI from CPU 0 to CPUs 1: [ 858.926958] NMI backtrace for cpu 1 skipped: idling at pc 0xffffffff8723f20e [ 858.927927] Kernel panic - not syncing: hung_task: blocked tasks [ 858.940279] CPU: 0 PID: 1533 Comm: khungtaskd Not tainted 4.14.290-syzkaller #0 [ 858.947699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 858.957035] Call Trace: [ 858.959607] dump_stack+0x1b2/0x281 [ 858.963227] panic+0x1f9/0x42d [ 858.966405] ? add_taint.cold+0x16/0x16 [ 858.970364] watchdog+0x5ca/0xb40 [ 858.973801] ? hungtask_pm_notify+0x50/0x50 [ 858.978108] kthread+0x30d/0x420 [ 858.981456] ? kthread_create_on_node+0xd0/0xd0 [ 858.986106] ret_from_fork+0x24/0x30 [ 858.989971] Kernel Offset: disabled [ 858.993682] Rebooting in 86400 seconds..