Warning: Permanently added '10.128.0.84' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 488.103589][ T142] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 488.113567][ T3636] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 488.121175][ T3258] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 488.128707][ T917] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 488.136364][ T3639] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 488.143927][ T3640] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 488.343544][ T142] usb 2-1: Using ep0 maxpacket: 8 [ 488.403579][ T3636] usb 1-1: Using ep0 maxpacket: 8 [ 488.408759][ T3258] usb 5-1: Using ep0 maxpacket: 8 [ 488.413880][ T917] usb 3-1: Using ep0 maxpacket: 8 [ 488.418979][ T3639] usb 6-1: Using ep0 maxpacket: 8 [ 488.424191][ T3640] usb 4-1: Using ep0 maxpacket: 8 [ 488.463663][ T142] usb 2-1: config index 0 descriptor too short (expected 129, got 36) [ 488.472313][ T142] usb 2-1: config 0 interface 0 altsetting 0 bulk endpoint 0xA has invalid maxpacket 2 [ 488.482383][ T142] usb 2-1: New USB device found, idVendor=054c, idProduct=06c1, bcdDevice=d5.66 [ 488.491669][ T142] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 488.505359][ T142] usb 2-1: config 0 descriptor?? [ 488.524920][ T3633] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 488.534213][ T3636] usb 1-1: config index 0 descriptor too short (expected 129, got 36) [ 488.542386][ T3636] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0xA has invalid maxpacket 2 [ 488.552062][ T3636] usb 1-1: New USB device found, idVendor=054c, idProduct=06c1, bcdDevice=d5.66 [ 488.561645][ T3258] usb 5-1: config index 0 descriptor too short (expected 129, got 36) [ 488.569905][ T917] usb 3-1: config index 0 descriptor too short (expected 129, got 36) [ 488.578185][ T3639] usb 6-1: config index 0 descriptor too short (expected 129, got 36) [ 488.586411][ T3640] usb 4-1: config index 0 descriptor too short (expected 129, got 36) [ 488.594606][ T3636] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 488.603057][ T3258] usb 5-1: config 0 interface 0 altsetting 0 bulk endpoint 0xA has invalid maxpacket 2 [ 488.612778][ T3639] usb 6-1: config 0 interface 0 altsetting 0 bulk endpoint 0xA has invalid maxpacket 2 [ 488.622473][ T3640] usb 4-1: config 0 interface 0 altsetting 0 bulk endpoint 0xA has invalid maxpacket 2 [ 488.632182][ T917] usb 3-1: config 0 interface 0 altsetting 0 bulk endpoint 0xA has invalid maxpacket 2 [ 488.643873][ T3636] usb 1-1: config 0 descriptor?? [ 488.649018][ T3258] usb 5-1: New USB device found, idVendor=054c, idProduct=06c1, bcdDevice=d5.66 [ 488.658157][ T3639] usb 6-1: New USB device found, idVendor=054c, idProduct=06c1, bcdDevice=d5.66 [ 488.667494][ T3626] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 488.674348][ T3640] usb 4-1: New USB device found, idVendor=054c, idProduct=06c1, bcdDevice=d5.66 [ 488.683390][ T3640] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 488.691530][ T917] usb 3-1: New USB device found, idVendor=054c, idProduct=06c1, bcdDevice=d5.66 [ 488.700927][ T3258] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 488.708999][ T3639] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 488.717052][ T917] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 488.733314][ T3258] usb 5-1: config 0 descriptor?? [ 488.744957][ T3639] usb 6-1: config 0 descriptor?? [ 488.745959][ T3633] UDC core: couldn't find an available UDC or it's busy: -16 [ 488.751236][ T917] usb 3-1: config 0 descriptor?? [ 488.762895][ T3640] usb 4-1: config 0 descriptor?? [ 488.768250][ T3635] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 488.769267][ T3633] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 executing program [ 488.783836][ T3631] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 488.791049][ T3634] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 488.798239][ T3632] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 488.823731][ T142] usb 2-1: string descriptor 0 read error: -71 [ 488.843519][ C1] port100 2-1:0.0: NFC: Urb failure (status -71) [ 488.850127][ C1] port100 2-1:0.0: NFC: Urb failure (status -71) [ 488.857768][ T142] port100 2-1:0.0: NFC: Could not get supported command types [ 488.875521][ T142] usb 2-1: USB disconnect, device number 2 executing program [ 488.893362][ T3626] UDC core: couldn't find an available UDC or it's busy: -16 [ 488.900825][ T3626] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 488.943664][ T3636] usb 1-1: string descriptor 0 read error: -71 [ 488.963506][ C0] port100 1-1:0.0: NFC: Urb failure (status -71) [ 488.969904][ C0] port100 1-1:0.0: NFC: Urb failure (status -71) [ 488.976985][ T3636] port100 1-1:0.0: NFC: Could not get supported command types [ 488.992676][ T3636] usb 1-1: USB disconnect, device number 2 [ 489.233551][ T142] usb 2-1: new high-speed USB device number 3 using dummy_hcd [ 489.473535][ T142] usb 2-1: Using ep0 maxpacket: 8 [ 489.593823][ T142] usb 2-1: config index 0 descriptor too short (expected 129, got 36) [ 489.602031][ T142] usb 2-1: config 0 interface 0 altsetting 0 bulk endpoint 0xA has invalid maxpacket 2 [ 489.612044][ T142] usb 2-1: New USB device found, idVendor=054c, idProduct=06c1, bcdDevice=d5.66 [ 489.621327][ T142] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 489.632448][ T142] usb 2-1: config 0 descriptor?? [ 489.653750][ T3649] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 493.953625][ T917] usb 3-1: string descriptor 0 read error: -32 [ 493.960252][ T3640] usb 4-1: string descriptor 0 read error: -32 [ 493.966544][ T3258] usb 5-1: string descriptor 0 read error: -32 [ 493.973203][ T3639] usb 6-1: string descriptor 0 read error: -32 [ 493.993513][ C0] port100 6-1:0.0: NFC: Urb failure (status -71) [ 493.999869][ C0] port100 5-1:0.0: NFC: Urb failure (status -71) [ 494.006293][ C0] port100 4-1:0.0: NFC: Urb failure (status -71) [ 494.012666][ C0] port100 3-1:0.0: NFC: Urb failure (status -71) [ 494.823545][ T142] usb 2-1: string descriptor 0 read error: -32 [ 494.843522][ C1] port100 2-1:0.0: NFC: Urb failure (status -71) [ 548.895963][ T2962] udevd[2962]: worker [3645] /devices/platform/dummy_hcd.3/usb4/4-1 is taking a long time [ 548.906148][ T2962] udevd[2962]: worker [3644] /devices/platform/dummy_hcd.4/usb5/5-1 is taking a long time [ 548.916238][ T2962] udevd[2962]: worker [3647] /devices/platform/dummy_hcd.2/usb3/3-1 is taking a long time [ 548.926234][ T2962] udevd[2962]: worker [3646] /devices/platform/dummy_hcd.5/usb6/6-1 is taking a long time [ 551.940260][ T2962] udevd[2962]: worker [3637] /devices/platform/dummy_hcd.1/usb2/2-1 is taking a long time [ 669.093699][ T2962] udevd[2962]: worker [3645] /devices/platform/dummy_hcd.3/usb4/4-1 timeout; kill it [ 669.103998][ T2962] udevd[2962]: seq 7441 '/devices/platform/dummy_hcd.3/usb4/4-1' killed [ 669.112407][ T2962] udevd[2962]: worker [3644] /devices/platform/dummy_hcd.4/usb5/5-1 timeout; kill it [ 669.122192][ T2962] udevd[2962]: seq 7440 '/devices/platform/dummy_hcd.4/usb5/5-1' killed [ 669.131334][ T2962] udevd[2962]: worker [3647] /devices/platform/dummy_hcd.2/usb3/3-1 timeout; kill it [ 669.141190][ T2962] udevd[2962]: seq 7443 '/devices/platform/dummy_hcd.2/usb3/3-1' killed [ 669.149750][ T2962] udevd[2962]: worker [3646] /devices/platform/dummy_hcd.5/usb6/6-1 timeout; kill it [ 669.159694][ T2962] udevd[2962]: seq 7442 '/devices/platform/dummy_hcd.5/usb6/6-1' killed [ 669.168761][ T2962] udevd[2962]: worker [3644] terminated by signal 9 (Killed) [ 669.176544][ T2962] udevd[2962]: worker [3644] failed while handling '/devices/platform/dummy_hcd.4/usb5/5-1' [ 716.263666][ T28] INFO: task kworker/1:2:142 blocked for more than 143 seconds. [ 716.271404][ T28] Not tainted 5.17.0-rc6-next-20220303-syzkaller #0 [ 716.278618][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 716.287430][ T28] task:kworker/1:2 state:D stack:25128 pid: 142 ppid: 2 flags:0x00004000 [ 716.296974][ T28] Workqueue: usb_hub_wq hub_event [ 716.302160][ T28] Call Trace: [ 716.305494][ T28] [ 716.308436][ T28] __schedule+0xa94/0x4910 [ 716.312956][ T28] ? find_held_lock+0x2d/0x110 [ 716.317844][ T28] ? mark_lock.part.0+0x18c2/0x1910 [ 716.323165][ T28] ? io_schedule_timeout+0x140/0x140 [ 716.328540][ T28] ? lockdep_hardirqs_on+0x79/0x100 [ 716.333826][ T28] schedule+0xd2/0x1f0 [ 716.337899][ T28] schedule_timeout+0x1db/0x2a0 [ 716.342753][ T28] ? usleep_range_state+0x1b0/0x1b0 [ 716.347994][ T28] ? __wait_for_common+0x2a6/0x360 [ 716.353116][ T28] ? mark_held_locks+0x9f/0xe0 [ 716.357974][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 716.362930][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 716.368180][ T28] __wait_for_common+0x2af/0x360 [ 716.373136][ T28] ? usleep_range_state+0x1b0/0x1b0 [ 716.378463][ T28] ? bit_wait_io_timeout+0x160/0x160 [ 716.383812][ T28] ? port100_send_cmd_async+0x852/0xbb0 [ 716.389419][ T28] port100_probe+0x9ec/0x1320 [ 716.394206][ T28] ? port100_tg_configure_hw+0xd0/0xd0 [ 716.399682][ T28] ? __pm_runtime_set_status+0x49d/0xcd0 [ 716.405456][ T28] usb_probe_interface+0x315/0x7f0 [ 716.410597][ T28] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 716.416099][ T28] really_probe+0x245/0xcc0 [ 716.420696][ T28] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 716.427038][ T28] __driver_probe_device+0x338/0x4d0 [ 716.432369][ T28] driver_probe_device+0x4c/0x1a0 [ 716.437501][ T28] __device_attach_driver+0x20b/0x2f0 [ 716.442893][ T28] ? driver_allows_async_probing+0x150/0x150 [ 716.448933][ T28] bus_for_each_drv+0x15f/0x1e0 [ 716.453853][ T28] ? bus_for_each_dev+0x1d0/0x1d0 [ 716.458866][ T28] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 716.464716][ T28] ? lockdep_hardirqs_on+0x79/0x100 [ 716.469924][ T28] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 716.475825][ T28] __device_attach+0x228/0x4a0 [ 716.480603][ T28] ? device_driver_attach+0x210/0x210 [ 716.486028][ T28] ? kobject_uevent_env+0x2ac/0x1660 [ 716.491368][ T28] bus_probe_device+0x1e4/0x290 [ 716.496314][ T28] device_add+0xb83/0x1e20 [ 716.500751][ T28] ? mark_held_locks+0x9f/0xe0 [ 716.505682][ T28] ? __fw_devlink_link_to_suppliers+0x2d0/0x2d0 [ 716.511951][ T28] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 716.517857][ T28] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 716.524148][ T28] usb_set_configuration+0x101e/0x1900 [ 716.529796][ T28] usb_generic_driver_probe+0xba/0x100 [ 716.535423][ T28] usb_probe_device+0xd9/0x2c0 [ 716.540199][ T28] ? usb_driver_release_interface+0x180/0x180 [ 716.546350][ T28] really_probe+0x245/0xcc0 [ 716.550872][ T28] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 716.557229][ T28] __driver_probe_device+0x338/0x4d0 [ 716.562531][ T28] driver_probe_device+0x4c/0x1a0 [ 716.567628][ T28] __device_attach_driver+0x20b/0x2f0 [ 716.573013][ T28] ? driver_allows_async_probing+0x150/0x150 [ 716.579088][ T28] bus_for_each_drv+0x15f/0x1e0 [ 716.583982][ T28] ? bus_for_each_dev+0x1d0/0x1d0 [ 716.589003][ T28] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 716.594898][ T28] ? lockdep_hardirqs_on+0x79/0x100 [ 716.600103][ T28] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 716.605964][ T28] __device_attach+0x228/0x4a0 [ 716.610746][ T28] ? device_driver_attach+0x210/0x210 [ 716.616229][ T28] ? kobject_uevent_env+0x2ac/0x1660 [ 716.621530][ T28] bus_probe_device+0x1e4/0x290 [ 716.626450][ T28] device_add+0xb83/0x1e20 [ 716.630881][ T28] ? __fw_devlink_link_to_suppliers+0x2d0/0x2d0 [ 716.637208][ T28] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 716.643518][ T28] usb_new_device.cold+0x641/0x1091 [ 716.648810][ T28] ? hub_disconnect+0x510/0x510 [ 716.653746][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 716.658700][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 716.664079][ T28] hub_event+0x25c6/0x4680 [ 716.668554][ T28] ? hub_port_debounce+0x3c0/0x3c0 [ 716.673780][ T28] ? lock_release+0x720/0x720 [ 716.678482][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 716.683351][ T28] ? do_raw_spin_lock+0x120/0x2a0 [ 716.688450][ T28] process_one_work+0x996/0x1610 [ 716.693564][ T28] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 716.698946][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 716.703943][ T28] ? _raw_spin_lock_irq+0x41/0x50 [ 716.709342][ T28] worker_thread+0x854/0x1080 [ 716.714222][ T28] ? __kthread_parkme+0x15f/0x220 [ 716.719271][ T28] ? process_one_work+0x1610/0x1610 [ 716.724516][ T28] kthread+0x2e9/0x3a0 [ 716.728660][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 716.734392][ T28] ret_from_fork+0x1f/0x30 [ 716.738860][ T28] [ 716.741900][ T28] INFO: task kworker/0:2:917 blocked for more than 143 seconds. [ 716.749590][ T28] Not tainted 5.17.0-rc6-next-20220303-syzkaller #0 [ 716.756756][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 716.765457][ T28] task:kworker/0:2 state:D stack:25944 pid: 917 ppid: 2 flags:0x00004000 [ 716.774731][ T28] Workqueue: usb_hub_wq hub_event [ 716.779764][ T28] Call Trace: [ 716.783048][ T28] [ 716.786068][ T28] __schedule+0xa94/0x4910 [ 716.790513][ T28] ? find_held_lock+0x2d/0x110 [ 716.795411][ T28] ? mark_lock.part.0+0x18c2/0x1910 [ 716.800632][ T28] ? io_schedule_timeout+0x140/0x140 [ 716.806014][ T28] ? lockdep_hardirqs_on+0x79/0x100 [ 716.811232][ T28] schedule+0xd2/0x1f0 [ 716.815416][ T28] schedule_timeout+0x1db/0x2a0 [ 716.820279][ T28] ? usleep_range_state+0x1b0/0x1b0 [ 716.825542][ T28] ? __wait_for_common+0x2a6/0x360 [ 716.830664][ T28] ? mark_held_locks+0x9f/0xe0 [ 716.835526][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 716.840488][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 716.845737][ T28] __wait_for_common+0x2af/0x360 [ 716.850683][ T28] ? usleep_range_state+0x1b0/0x1b0 [ 716.855983][ T28] ? bit_wait_io_timeout+0x160/0x160 [ 716.861276][ T28] ? port100_send_cmd_async+0x852/0xbb0 [ 716.866892][ T28] port100_probe+0x9ec/0x1320 [ 716.871584][ T28] ? port100_tg_configure_hw+0xd0/0xd0 [ 716.877158][ T28] ? __pm_runtime_set_status+0x49d/0xcd0 [ 716.882810][ T28] usb_probe_interface+0x315/0x7f0 [ 716.887992][ T28] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 716.893375][ T28] really_probe+0x245/0xcc0 [ 716.897969][ T28] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 716.904261][ T28] __driver_probe_device+0x338/0x4d0 [ 716.909542][ T28] driver_probe_device+0x4c/0x1a0 [ 716.914655][ T28] __device_attach_driver+0x20b/0x2f0 [ 716.920041][ T28] ? driver_allows_async_probing+0x150/0x150 [ 716.926214][ T28] bus_for_each_drv+0x15f/0x1e0 [ 716.931090][ T28] ? bus_for_each_dev+0x1d0/0x1d0 [ 716.936244][ T28] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 716.942073][ T28] ? lockdep_hardirqs_on+0x79/0x100 [ 716.947364][ T28] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 716.953200][ T28] __device_attach+0x228/0x4a0 [ 716.958096][ T28] ? device_driver_attach+0x210/0x210 [ 716.963619][ T28] ? kobject_uevent_env+0x2ac/0x1660 [ 716.968924][ T28] bus_probe_device+0x1e4/0x290 [ 716.973873][ T28] device_add+0xb83/0x1e20 [ 716.978300][ T28] ? mark_held_locks+0x9f/0xe0 [ 716.983061][ T28] ? __fw_devlink_link_to_suppliers+0x2d0/0x2d0 [ 716.989360][ T28] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 716.995274][ T28] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 717.001523][ T28] usb_set_configuration+0x101e/0x1900 [ 717.007057][ T28] usb_generic_driver_probe+0xba/0x100 [ 717.012537][ T28] usb_probe_device+0xd9/0x2c0 [ 717.017393][ T28] ? usb_driver_release_interface+0x180/0x180 [ 717.023543][ T28] really_probe+0x245/0xcc0 [ 717.028059][ T28] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 717.034391][ T28] __driver_probe_device+0x338/0x4d0 [ 717.039687][ T28] driver_probe_device+0x4c/0x1a0 [ 717.044782][ T28] __device_attach_driver+0x20b/0x2f0 [ 717.050166][ T28] ? driver_allows_async_probing+0x150/0x150 [ 717.056255][ T28] bus_for_each_drv+0x15f/0x1e0 [ 717.061118][ T28] ? bus_for_each_dev+0x1d0/0x1d0 [ 717.066227][ T28] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 717.072056][ T28] ? lockdep_hardirqs_on+0x79/0x100 [ 717.077354][ T28] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 717.083179][ T28] __device_attach+0x228/0x4a0 [ 717.087988][ T28] ? device_driver_attach+0x210/0x210 [ 717.093391][ T28] ? kobject_uevent_env+0x2ac/0x1660 [ 717.098856][ T28] bus_probe_device+0x1e4/0x290 [ 717.103779][ T28] device_add+0xb83/0x1e20 [ 717.108209][ T28] ? __fw_devlink_link_to_suppliers+0x2d0/0x2d0 [ 717.114561][ T28] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 717.120830][ T28] usb_new_device.cold+0x641/0x1091 [ 717.126109][ T28] ? hub_disconnect+0x510/0x510 [ 717.130985][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 717.136126][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 717.141349][ T28] hub_event+0x25c6/0x4680 [ 717.145935][ T28] ? hub_port_debounce+0x3c0/0x3c0 [ 717.151068][ T28] ? lock_release+0x720/0x720 [ 717.155843][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 717.160708][ T28] ? do_raw_spin_lock+0x120/0x2a0 [ 717.165799][ T28] process_one_work+0x996/0x1610 [ 717.170753][ T28] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 717.176281][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 717.181234][ T28] ? _raw_spin_lock_irq+0x41/0x50 [ 717.186337][ T28] worker_thread+0x665/0x1080 [ 717.191038][ T28] ? __kthread_parkme+0x15f/0x220 [ 717.196192][ T28] ? process_one_work+0x1610/0x1610 [ 717.201406][ T28] kthread+0x2e9/0x3a0 [ 717.205545][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 717.211198][ T28] ret_from_fork+0x1f/0x30 [ 717.215726][ T28] [ 717.218826][ T28] INFO: task kworker/0:3:3258 blocked for more than 144 seconds. [ 717.226593][ T28] Not tainted 5.17.0-rc6-next-20220303-syzkaller #0 [ 717.233757][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 717.242495][ T28] task:kworker/0:3 state:D stack:26184 pid: 3258 ppid: 2 flags:0x00004000 [ 717.251743][ T28] Workqueue: usb_hub_wq hub_event [ 717.256847][ T28] Call Trace: [ 717.260211][ T28] [ 717.263140][ T28] __schedule+0xa94/0x4910 [ 717.267659][ T28] ? find_held_lock+0x2d/0x110 [ 717.272458][ T28] ? mark_lock.part.0+0x18c2/0x1910 [ 717.277781][ T28] ? io_schedule_timeout+0x140/0x140 [ 717.283096][ T28] ? lockdep_hardirqs_on+0x79/0x100 [ 717.288370][ T28] schedule+0xd2/0x1f0 [ 717.292479][ T28] schedule_timeout+0x1db/0x2a0 [ 717.297451][ T28] ? usleep_range_state+0x1b0/0x1b0 [ 717.302676][ T28] ? __wait_for_common+0x2a6/0x360 [ 717.307909][ T28] ? mark_held_locks+0x9f/0xe0 [ 717.312698][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 717.317768][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 717.322995][ T28] __wait_for_common+0x2af/0x360 [ 717.328010][ T28] ? usleep_range_state+0x1b0/0x1b0 [ 717.333230][ T28] ? bit_wait_io_timeout+0x160/0x160 [ 717.338685][ T28] ? port100_send_cmd_async+0x852/0xbb0 [ 717.344397][ T28] port100_probe+0x9ec/0x1320 [ 717.349074][ T28] ? port100_tg_configure_hw+0xd0/0xd0 [ 717.354634][ T28] ? __pm_runtime_set_status+0x49d/0xcd0 [ 717.360281][ T28] usb_probe_interface+0x315/0x7f0 [ 717.365459][ T28] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 717.370846][ T28] really_probe+0x245/0xcc0 [ 717.375450][ T28] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 717.381713][ T28] __driver_probe_device+0x338/0x4d0 [ 717.387051][ T28] driver_probe_device+0x4c/0x1a0 [ 717.392086][ T28] __device_attach_driver+0x20b/0x2f0 [ 717.397605][ T28] ? driver_allows_async_probing+0x150/0x150 [ 717.403642][ T28] bus_for_each_drv+0x15f/0x1e0 [ 717.408548][ T28] ? bus_for_each_dev+0x1d0/0x1d0 [ 717.413664][ T28] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 717.419504][ T28] ? lockdep_hardirqs_on+0x79/0x100 [ 717.424773][ T28] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 717.430616][ T28] __device_attach+0x228/0x4a0 [ 717.435492][ T28] ? device_driver_attach+0x210/0x210 [ 717.440880][ T28] ? kobject_uevent_env+0x2ac/0x1660 [ 717.446242][ T28] bus_probe_device+0x1e4/0x290 [ 717.451116][ T28] device_add+0xb83/0x1e20 [ 717.455654][ T28] ? mark_held_locks+0x9f/0xe0 [ 717.460448][ T28] ? __fw_devlink_link_to_suppliers+0x2d0/0x2d0 [ 717.466763][ T28] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 717.472586][ T28] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 717.478977][ T28] usb_set_configuration+0x101e/0x1900 [ 717.484518][ T28] usb_generic_driver_probe+0xba/0x100 [ 717.489982][ T28] usb_probe_device+0xd9/0x2c0 [ 717.494831][ T28] ? usb_driver_release_interface+0x180/0x180 [ 717.500915][ T28] really_probe+0x245/0xcc0 [ 717.505469][ T28] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 717.511732][ T28] __driver_probe_device+0x338/0x4d0 [ 717.517125][ T28] driver_probe_device+0x4c/0x1a0 [ 717.522184][ T28] __device_attach_driver+0x20b/0x2f0 [ 717.527613][ T28] ? driver_allows_async_probing+0x150/0x150 [ 717.533700][ T28] bus_for_each_drv+0x15f/0x1e0 [ 717.538557][ T28] ? bus_for_each_dev+0x1d0/0x1d0 [ 717.543641][ T28] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 717.549470][ T28] ? lockdep_hardirqs_on+0x79/0x100 [ 717.554864][ T28] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 717.560693][ T28] __device_attach+0x228/0x4a0 [ 717.565523][ T28] ? device_driver_attach+0x210/0x210 [ 717.570909][ T28] ? kobject_uevent_env+0x2ac/0x1660 [ 717.576312][ T28] bus_probe_device+0x1e4/0x290 [ 717.581185][ T28] device_add+0xb83/0x1e20 [ 717.585715][ T28] ? __fw_devlink_link_to_suppliers+0x2d0/0x2d0 [ 717.591990][ T28] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 717.598354][ T28] usb_new_device.cold+0x641/0x1091 [ 717.603602][ T28] ? hub_disconnect+0x510/0x510 [ 717.608473][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 717.613419][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 717.618743][ T28] hub_event+0x25c6/0x4680 [ 717.623178][ T28] ? hub_port_debounce+0x3c0/0x3c0 [ 717.628442][ T28] ? lock_release+0x720/0x720 [ 717.633145][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 717.638088][ T28] ? do_raw_spin_lock+0x120/0x2a0 [ 717.643138][ T28] process_one_work+0x996/0x1610 [ 717.648140][ T28] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 717.653581][ T28] ? try_to_del_timer_sync+0xbf/0x110 [ 717.659023][ T28] worker_thread+0x665/0x1080 [ 717.664204][ T28] ? process_one_work+0x1610/0x1610 [ 717.669413][ T28] kthread+0x2e9/0x3a0 [ 717.673592][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 717.679247][ T28] ret_from_fork+0x1f/0x30 [ 717.683728][ T28] [ 717.686785][ T28] INFO: task syz-executor298:3631 can't die for more than 144 seconds. [ 717.695121][ T28] task:syz-executor298 state:D stack:27456 pid: 3631 ppid: 3627 flags:0x00000004 [ 717.704397][ T28] Call Trace: [ 717.707685][ T28] [ 717.710605][ T28] __schedule+0xa94/0x4910 [ 717.715134][ T28] ? io_schedule_timeout+0x140/0x140 [ 717.720462][ T28] schedule+0xd2/0x1f0 [ 717.724620][ T28] schedule_preempt_disabled+0xf/0x20 [ 717.729998][ T28] __mutex_lock+0xa32/0x12f0 [ 717.734699][ T28] ? misc_open+0x55/0x4a0 [ 717.739104][ T28] ? mutex_lock_io_nested+0x1150/0x1150 [ 717.744691][ T28] ? find_held_lock+0x2d/0x110 [ 717.749471][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 717.754416][ T28] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 717.760699][ T28] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 717.767110][ T28] ? kobject_get_unless_zero+0x15a/0x1e0 [ 717.772758][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 717.777806][ T28] misc_open+0x55/0x4a0 [ 717.781972][ T28] ? misc_devnode+0x120/0x120 [ 717.786694][ T28] chrdev_open+0x266/0x770 [ 717.791205][ T28] ? cdev_device_add+0x220/0x220 [ 717.796241][ T28] ? fsnotify_perm.part.0+0x22d/0x620 [ 717.801692][ T28] do_dentry_open+0x4b9/0x1250 [ 717.806560][ T28] ? cdev_device_add+0x220/0x220 [ 717.811518][ T28] ? may_open+0x1f6/0x420 [ 717.815971][ T28] path_openat+0x1c9e/0x2940 [ 717.820581][ T28] ? path_lookupat+0x860/0x860 [ 717.825407][ T28] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 717.831424][ T28] do_filp_open+0x1aa/0x400 [ 717.836051][ T28] ? may_open_dev+0xf0/0xf0 [ 717.840581][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 717.845609][ T28] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 717.851877][ T28] ? _find_next_bit+0x1e3/0x260 [ 717.856921][ T28] ? _raw_spin_unlock+0x24/0x40 [ 717.861787][ T28] ? alloc_fd+0x2f0/0x670 [ 717.866236][ T28] do_sys_openat2+0x16d/0x4d0 [ 717.870927][ T28] ? find_held_lock+0x2d/0x110 [ 717.875789][ T28] ? build_open_flags+0x6f0/0x6f0 [ 717.880835][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 717.885763][ T28] __x64_sys_openat+0x13f/0x1f0 [ 717.890632][ T28] ? __ia32_sys_open+0x1c0/0x1c0 [ 717.895673][ T28] ? syscall_enter_from_user_mode+0x21/0x70 [ 717.901582][ T28] do_syscall_64+0x35/0xb0 [ 717.906097][ T28] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 717.912009][ T28] RIP: 0033:0x7ff4e1474c97 [ 717.916517][ T28] RSP: 002b:00007ffcf35b1a80 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 717.924967][ T28] RAX: ffffffffffffffda RBX: 00000000200000c0 RCX: 00007ff4e1474c97 [ 717.932929][ T28] RDX: 0000000000000002 RSI: 00007ff4e14fa03b RDI: 00000000ffffff9c [ 717.941073][ T28] RBP: 00007ff4e14fa03b R08: 00007ffcf35b1b68 R09: 0000000000000000 [ 717.949085][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 717.957140][ T28] R13: 0000000000000000 R14: 0000000000000036 R15: 00007ffcf35b3be0 [ 717.965183][ T28] [ 717.968207][ T28] INFO: task syz-executor298:3631 blocked for more than 145 seconds. [ 717.976436][ T28] Not tainted 5.17.0-rc6-next-20220303-syzkaller #0 [ 717.983595][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 717.992259][ T28] task:syz-executor298 state:D stack:27456 pid: 3631 ppid: 3627 flags:0x00000004 [ 718.001565][ T28] Call Trace: [ 718.004876][ T28] [ 718.007798][ T28] __schedule+0xa94/0x4910 [ 718.012223][ T28] ? io_schedule_timeout+0x140/0x140 [ 718.017607][ T28] schedule+0xd2/0x1f0 [ 718.021690][ T28] schedule_preempt_disabled+0xf/0x20 [ 718.027108][ T28] __mutex_lock+0xa32/0x12f0 [ 718.031708][ T28] ? misc_open+0x55/0x4a0 [ 718.036134][ T28] ? mutex_lock_io_nested+0x1150/0x1150 [ 718.041687][ T28] ? find_held_lock+0x2d/0x110 [ 718.046504][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 718.051366][ T28] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 718.057714][ T28] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 718.064022][ T28] ? kobject_get_unless_zero+0x15a/0x1e0 [ 718.069674][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 718.074713][ T28] misc_open+0x55/0x4a0 [ 718.078890][ T28] ? misc_devnode+0x120/0x120 [ 718.083613][ T28] chrdev_open+0x266/0x770 [ 718.088047][ T28] ? cdev_device_add+0x220/0x220 [ 718.092989][ T28] ? fsnotify_perm.part.0+0x22d/0x620 [ 718.098475][ T28] do_dentry_open+0x4b9/0x1250 [ 718.103252][ T28] ? cdev_device_add+0x220/0x220 [ 718.108266][ T28] ? may_open+0x1f6/0x420 [ 718.112618][ T28] path_openat+0x1c9e/0x2940 [ 718.117345][ T28] ? path_lookupat+0x860/0x860 [ 718.122129][ T28] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 718.128204][ T28] do_filp_open+0x1aa/0x400 [ 718.132721][ T28] ? may_open_dev+0xf0/0xf0 [ 718.137328][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 718.142292][ T28] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 718.148588][ T28] ? _find_next_bit+0x1e3/0x260 [ 718.153564][ T28] ? _raw_spin_unlock+0x24/0x40 [ 718.158432][ T28] ? alloc_fd+0x2f0/0x670 [ 718.162800][ T28] do_sys_openat2+0x16d/0x4d0 [ 718.167551][ T28] ? find_held_lock+0x2d/0x110 [ 718.172376][ T28] ? build_open_flags+0x6f0/0x6f0 [ 718.177548][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 718.182443][ T28] __x64_sys_openat+0x13f/0x1f0 [ 718.187482][ T28] ? __ia32_sys_open+0x1c0/0x1c0 [ 718.192460][ T28] ? syscall_enter_from_user_mode+0x21/0x70 [ 718.198484][ T28] do_syscall_64+0x35/0xb0 [ 718.202924][ T28] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 718.208871][ T28] RIP: 0033:0x7ff4e1474c97 [ 718.213293][ T28] RSP: 002b:00007ffcf35b1a80 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 718.221799][ T28] RAX: ffffffffffffffda RBX: 00000000200000c0 RCX: 00007ff4e1474c97 [ 718.229827][ T28] RDX: 0000000000000002 RSI: 00007ff4e14fa03b RDI: 00000000ffffff9c [ 718.237925][ T28] RBP: 00007ff4e14fa03b R08: 00007ffcf35b1b68 R09: 0000000000000000 [ 718.245964][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 718.254056][ T28] R13: 0000000000000000 R14: 0000000000000036 R15: 00007ffcf35b3be0 [ 718.262041][ T28] [ 718.265113][ T28] INFO: task syz-executor298:3632 can't die for more than 145 seconds. [ 718.273351][ T28] task:syz-executor298 state:D stack:28032 pid: 3632 ppid: 3629 flags:0x00000004 [ 718.282660][ T28] Call Trace: [ 718.285971][ T28] [ 718.288911][ T28] __schedule+0xa94/0x4910 [ 718.293351][ T28] ? io_schedule_timeout+0x140/0x140 [ 718.298752][ T28] schedule+0xd2/0x1f0 [ 718.302838][ T28] schedule_preempt_disabled+0xf/0x20 [ 718.308267][ T28] __mutex_lock+0xa32/0x12f0 [ 718.312870][ T28] ? misc_open+0x55/0x4a0 [ 718.317296][ T28] ? mutex_lock_io_nested+0x1150/0x1150 [ 718.322857][ T28] ? find_held_lock+0x2d/0x110 [ 718.327683][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 718.332550][ T28] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 718.338905][ T28] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 718.345196][ T28] ? kobject_get_unless_zero+0x15a/0x1e0 [ 718.350825][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 718.355866][ T28] misc_open+0x55/0x4a0 [ 718.360032][ T28] ? misc_devnode+0x120/0x120 [ 718.364761][ T28] chrdev_open+0x266/0x770 [ 718.369192][ T28] ? cdev_device_add+0x220/0x220 [ 718.374242][ T28] ? fsnotify_perm.part.0+0x22d/0x620 [ 718.379657][ T28] do_dentry_open+0x4b9/0x1250 [ 718.384514][ T28] ? cdev_device_add+0x220/0x220 [ 718.389470][ T28] ? may_open+0x1f6/0x420 [ 718.394012][ T28] path_openat+0x1c9e/0x2940 [ 718.398628][ T28] ? path_lookupat+0x860/0x860 [ 718.403380][ T28] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 718.409437][ T28] do_filp_open+0x1aa/0x400 [ 718.414028][ T28] ? may_open_dev+0xf0/0xf0 [ 718.418549][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 718.423585][ T28] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 718.429850][ T28] ? _find_next_bit+0x1e3/0x260 [ 718.434812][ T28] ? _raw_spin_unlock+0x24/0x40 [ 718.439679][ T28] ? alloc_fd+0x2f0/0x670 [ 718.444072][ T28] do_sys_openat2+0x16d/0x4d0 [ 718.448763][ T28] ? find_held_lock+0x2d/0x110 [ 718.453624][ T28] ? build_open_flags+0x6f0/0x6f0 [ 718.458666][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 718.463589][ T28] __x64_sys_openat+0x13f/0x1f0 [ 718.468459][ T28] ? __ia32_sys_open+0x1c0/0x1c0 [ 718.473396][ T28] ? syscall_enter_from_user_mode+0x21/0x70 [ 718.479403][ T28] do_syscall_64+0x35/0xb0 [ 718.483877][ T28] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 718.489768][ T28] RIP: 0033:0x7ff4e1474c97 [ 718.494264][ T28] RSP: 002b:00007ffcf35b1a80 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 718.502678][ T28] RAX: ffffffffffffffda RBX: 00000000200000c0 RCX: 00007ff4e1474c97 [ 718.510716][ T28] RDX: 0000000000000002 RSI: 00007ff4e14fa03b RDI: 00000000ffffff9c [ 718.518793][ T28] RBP: 00007ff4e14fa03b R08: 00007ffcf35b1b68 R09: 0000000000000000 [ 718.526833][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 718.534909][ T28] R13: 0000000000000000 R14: 0000000000000036 R15: 00007ffcf35b3be0 [ 718.542893][ T28] [ 718.545970][ T28] INFO: task syz-executor298:3632 blocked for more than 145 seconds. [ 718.554103][ T28] Not tainted 5.17.0-rc6-next-20220303-syzkaller #0 [ 718.561196][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 718.569896][ T28] task:syz-executor298 state:D stack:28032 pid: 3632 ppid: 3629 flags:0x00000004 [ 718.579204][ T28] Call Trace: [ 718.582476][ T28] [ 718.585444][ T28] __schedule+0xa94/0x4910 [ 718.589893][ T28] ? io_schedule_timeout+0x140/0x140 [ 718.595282][ T28] schedule+0xd2/0x1f0 [ 718.599389][ T28] schedule_preempt_disabled+0xf/0x20 [ 718.604917][ T28] __mutex_lock+0xa32/0x12f0 [ 718.609525][ T28] ? misc_open+0x55/0x4a0 [ 718.613950][ T28] ? mutex_lock_io_nested+0x1150/0x1150 [ 718.619504][ T28] ? find_held_lock+0x2d/0x110 [ 718.624325][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 718.629185][ T28] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 718.635532][ T28] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 718.641791][ T28] ? kobject_get_unless_zero+0x15a/0x1e0 [ 718.647490][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 718.652454][ T28] misc_open+0x55/0x4a0 [ 718.656721][ T28] ? misc_devnode+0x120/0x120 [ 718.661411][ T28] chrdev_open+0x266/0x770 [ 718.665987][ T28] ? cdev_device_add+0x220/0x220 [ 718.670958][ T28] ? fsnotify_perm.part.0+0x22d/0x620 [ 718.676433][ T28] do_dentry_open+0x4b9/0x1250 [ 718.681208][ T28] ? cdev_device_add+0x220/0x220 [ 718.686191][ T28] ? may_open+0x1f6/0x420 [ 718.690528][ T28] path_openat+0x1c9e/0x2940 [ 718.695214][ T28] ? path_lookupat+0x860/0x860 [ 718.699987][ T28] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 718.706036][ T28] do_filp_open+0x1aa/0x400 [ 718.710548][ T28] ? may_open_dev+0xf0/0xf0 [ 718.715167][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 718.720121][ T28] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 718.726417][ T28] ? _find_next_bit+0x1e3/0x260 [ 718.731370][ T28] ? _raw_spin_unlock+0x24/0x40 [ 718.736320][ T28] ? alloc_fd+0x2f0/0x670 [ 718.740668][ T28] do_sys_openat2+0x16d/0x4d0 [ 718.745389][ T28] ? find_held_lock+0x2d/0x110 [ 718.750164][ T28] ? build_open_flags+0x6f0/0x6f0 [ 718.755289][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 718.760165][ T28] __x64_sys_openat+0x13f/0x1f0 [ 718.765058][ T28] ? __ia32_sys_open+0x1c0/0x1c0 [ 718.770047][ T28] ? syscall_enter_from_user_mode+0x21/0x70 [ 718.776050][ T28] do_syscall_64+0x35/0xb0 [ 718.780504][ T28] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 718.786574][ T28] RIP: 0033:0x7ff4e1474c97 [ 718.790998][ T28] RSP: 002b:00007ffcf35b1a80 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 718.799506][ T28] RAX: ffffffffffffffda RBX: 00000000200000c0 RCX: 00007ff4e1474c97 [ 718.807507][ T28] RDX: 0000000000000002 RSI: 00007ff4e14fa03b RDI: 00000000ffffff9c [ 718.815650][ T28] RBP: 00007ff4e14fa03b R08: 00007ffcf35b1b68 R09: 0000000000000000 [ 718.823671][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 718.831643][ T28] R13: 0000000000000000 R14: 0000000000000036 R15: 00007ffcf35b3be0 [ 718.839711][ T28] [ 718.842756][ T28] INFO: task syz-executor298:3634 can't die for more than 145 seconds. [ 718.851054][ T28] task:syz-executor298 state:D stack:28032 pid: 3634 ppid: 3628 flags:0x00000004 [ 718.860332][ T28] Call Trace: [ 718.863642][ T28] [ 718.866577][ T28] __schedule+0xa94/0x4910 [ 718.871001][ T28] ? io_schedule_timeout+0x140/0x140 [ 718.876396][ T28] schedule+0xd2/0x1f0 [ 718.880483][ T28] schedule_preempt_disabled+0xf/0x20 [ 718.885892][ T28] __mutex_lock+0xa32/0x12f0 [ 718.890506][ T28] ? misc_open+0x55/0x4a0 [ 718.894921][ T28] ? mutex_lock_io_nested+0x1150/0x1150 [ 718.900474][ T28] ? find_held_lock+0x2d/0x110 [ 718.905332][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 718.910199][ T28] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 718.916557][ T28] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 718.922819][ T28] ? kobject_get_unless_zero+0x15a/0x1e0 [ 718.928511][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 718.933547][ T28] misc_open+0x55/0x4a0 [ 718.937695][ T28] ? misc_devnode+0x120/0x120 [ 718.942364][ T28] chrdev_open+0x266/0x770 [ 718.946824][ T28] ? cdev_device_add+0x220/0x220 [ 718.951772][ T28] ? fsnotify_perm.part.0+0x22d/0x620 [ 718.957358][ T28] do_dentry_open+0x4b9/0x1250 [ 718.962150][ T28] ? cdev_device_add+0x220/0x220 [ 718.967157][ T28] ? may_open+0x1f6/0x420 [ 718.971497][ T28] path_openat+0x1c9e/0x2940 [ 718.976193][ T28] ? path_lookupat+0x860/0x860 [ 718.980967][ T28] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 718.987024][ T28] do_filp_open+0x1aa/0x400 [ 718.991539][ T28] ? may_open_dev+0xf0/0xf0 [ 718.996151][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 719.001107][ T28] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 719.007402][ T28] ? _find_next_bit+0x1e3/0x260 [ 719.012270][ T28] ? _raw_spin_unlock+0x24/0x40 [ 719.017213][ T28] ? alloc_fd+0x2f0/0x670 [ 719.021563][ T28] do_sys_openat2+0x16d/0x4d0 [ 719.026414][ T28] ? find_held_lock+0x2d/0x110 [ 719.031197][ T28] ? build_open_flags+0x6f0/0x6f0 [ 719.036334][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 719.041231][ T28] __x64_sys_openat+0x13f/0x1f0 [ 719.046168][ T28] ? __ia32_sys_open+0x1c0/0x1c0 [ 719.051130][ T28] ? syscall_enter_from_user_mode+0x21/0x70 [ 719.057196][ T28] do_syscall_64+0x35/0xb0 [ 719.061654][ T28] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 719.067775][ T28] RIP: 0033:0x7ff4e1474c97 [ 719.072199][ T28] RSP: 002b:00007ffcf35b1a80 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 719.080702][ T28] RAX: ffffffffffffffda RBX: 00000000200000c0 RCX: 00007ff4e1474c97 [ 719.088722][ T28] RDX: 0000000000000002 RSI: 00007ff4e14fa03b RDI: 00000000ffffff9c [ 719.096778][ T28] RBP: 00007ff4e14fa03b R08: 00007ffcf35b1b68 R09: 0000000000000000 [ 719.104797][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 719.112759][ T28] R13: 0000000000000000 R14: 0000000000000036 R15: 00007ffcf35b3be0 [ 719.120835][ T28] [ 719.123881][ T28] INFO: task syz-executor298:3634 blocked for more than 146 seconds. [ 719.131942][ T28] Not tainted 5.17.0-rc6-next-20220303-syzkaller #0 [ 719.139127][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 719.147854][ T28] task:syz-executor298 state:D stack:28032 pid: 3634 ppid: 3628 flags:0x00000004 [ 719.157278][ T28] Call Trace: [ 719.160560][ T28] [ 719.163552][ T28] __schedule+0xa94/0x4910 [ 719.168021][ T28] ? io_schedule_timeout+0x140/0x140 [ 719.173356][ T28] schedule+0xd2/0x1f0 [ 719.177543][ T28] schedule_preempt_disabled+0xf/0x20 [ 719.182935][ T28] __mutex_lock+0xa32/0x12f0 [ 719.187613][ T28] ? misc_open+0x55/0x4a0 [ 719.191962][ T28] ? mutex_lock_io_nested+0x1150/0x1150 [ 719.197592][ T28] ? find_held_lock+0x2d/0x110 [ 719.202461][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 719.207373][ T28] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 719.213695][ T28] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 719.219935][ T28] ? kobject_get_unless_zero+0x15a/0x1e0 [ 719.225620][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 719.230590][ T28] misc_open+0x55/0x4a0 [ 719.234929][ T28] ? misc_devnode+0x120/0x120 [ 719.239623][ T28] chrdev_open+0x266/0x770 [ 719.244087][ T28] ? cdev_device_add+0x220/0x220 [ 719.249038][ T28] ? fsnotify_perm.part.0+0x22d/0x620 [ 719.254527][ T28] do_dentry_open+0x4b9/0x1250 [ 719.259316][ T28] ? cdev_device_add+0x220/0x220 [ 719.264374][ T28] ? may_open+0x1f6/0x420 [ 719.268732][ T28] path_openat+0x1c9e/0x2940 [ 719.273351][ T28] ? path_lookupat+0x860/0x860 [ 719.278236][ T28] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 719.284280][ T28] do_filp_open+0x1aa/0x400 [ 719.288803][ T28] ? may_open_dev+0xf0/0xf0 [ 719.293314][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 719.298375][ T28] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 719.304669][ T28] ? _find_next_bit+0x1e3/0x260 [ 719.309548][ T28] ? _raw_spin_unlock+0x24/0x40 [ 719.314509][ T28] ? alloc_fd+0x2f0/0x670 [ 719.318856][ T28] do_sys_openat2+0x16d/0x4d0 [ 719.323585][ T28] ? find_held_lock+0x2d/0x110 [ 719.328369][ T28] ? build_open_flags+0x6f0/0x6f0 [ 719.333388][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 719.338346][ T28] __x64_sys_openat+0x13f/0x1f0 [ 719.343210][ T28] ? __ia32_sys_open+0x1c0/0x1c0 [ 719.348200][ T28] ? syscall_enter_from_user_mode+0x21/0x70 [ 719.354162][ T28] do_syscall_64+0x35/0xb0 [ 719.358577][ T28] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 719.364505][ T28] RIP: 0033:0x7ff4e1474c97 [ 719.368922][ T28] RSP: 002b:00007ffcf35b1a80 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 719.377441][ T28] RAX: ffffffffffffffda RBX: 00000000200000c0 RCX: 00007ff4e1474c97 [ 719.385532][ T28] RDX: 0000000000000002 RSI: 00007ff4e14fa03b RDI: 00000000ffffff9c [ 719.393579][ T28] RBP: 00007ff4e14fa03b R08: 00007ffcf35b1b68 R09: 0000000000000000 [ 719.401547][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 719.409590][ T28] R13: 0000000000000000 R14: 0000000000000036 R15: 00007ffcf35b3be0 [ 719.417638][ T28] [ 719.420650][ T28] INFO: task syz-executor298:3635 can't die for more than 146 seconds. [ 719.428928][ T28] task:syz-executor298 state:D stack:28032 pid: 3635 ppid: 3630 flags:0x00000004 [ 719.438226][ T28] Call Trace: [ 719.441506][ T28] [ 719.444610][ T28] __schedule+0xa94/0x4910 [ 719.449063][ T28] ? io_schedule_timeout+0x140/0x140 [ 719.454452][ T28] schedule+0xd2/0x1f0 [ 719.458535][ T28] schedule_preempt_disabled+0xf/0x20 [ 719.463939][ T28] __mutex_lock+0xa32/0x12f0 [ 719.468536][ T28] ? misc_open+0x55/0x4a0 [ 719.472857][ T28] ? mutex_lock_io_nested+0x1150/0x1150 [ 719.478483][ T28] ? find_held_lock+0x2d/0x110 [ 719.483265][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 719.488159][ T28] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 719.494472][ T28] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 719.500710][ T28] ? kobject_get_unless_zero+0x15a/0x1e0 [ 719.506384][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 719.511339][ T28] misc_open+0x55/0x4a0 [ 719.515578][ T28] ? misc_devnode+0x120/0x120 [ 719.520263][ T28] chrdev_open+0x266/0x770 [ 719.524728][ T28] ? cdev_device_add+0x220/0x220 [ 719.529675][ T28] ? fsnotify_perm.part.0+0x22d/0x620 [ 719.535157][ T28] do_dentry_open+0x4b9/0x1250 [ 719.539936][ T28] ? cdev_device_add+0x220/0x220 [ 719.544916][ T28] ? may_open+0x1f6/0x420 [ 719.549252][ T28] path_openat+0x1c9e/0x2940 [ 719.553936][ T28] ? path_lookupat+0x860/0x860 [ 719.558706][ T28] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 719.564774][ T28] do_filp_open+0x1aa/0x400 [ 719.569291][ T28] ? may_open_dev+0xf0/0xf0 [ 719.573915][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 719.578875][ T28] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 719.585192][ T28] ? _find_next_bit+0x1e3/0x260 [ 719.590059][ T28] ? _raw_spin_unlock+0x24/0x40 [ 719.595019][ T28] ? alloc_fd+0x2f0/0x670 [ 719.599384][ T28] do_sys_openat2+0x16d/0x4d0 [ 719.604102][ T28] ? find_held_lock+0x2d/0x110 [ 719.608876][ T28] ? build_open_flags+0x6f0/0x6f0 [ 719.613988][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 719.618861][ T28] __x64_sys_openat+0x13f/0x1f0 [ 719.623933][ T28] ? __ia32_sys_open+0x1c0/0x1c0 [ 719.628888][ T28] ? syscall_enter_from_user_mode+0x21/0x70 [ 719.634881][ T28] do_syscall_64+0x35/0xb0 [ 719.639337][ T28] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 719.645283][ T28] RIP: 0033:0x7ff4e1474c97 [ 719.649700][ T28] RSP: 002b:00007ffcf35b1a80 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 719.658315][ T28] RAX: ffffffffffffffda RBX: 00000000200000c0 RCX: 00007ff4e1474c97 [ 719.666338][ T28] RDX: 0000000000000002 RSI: 00007ff4e14fa03b RDI: 00000000ffffff9c [ 719.674382][ T28] RBP: 00007ff4e14fa03b R08: 00007ffcf35b1b68 R09: 0000000000000000 [ 719.682371][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 719.690423][ T28] R13: 0000000000000000 R14: 0000000000000036 R15: 00007ffcf35b3be0 [ 719.698548][ T28] [ 719.701568][ T28] INFO: task syz-executor298:3635 blocked for more than 146 seconds. [ 719.709666][ T28] Not tainted 5.17.0-rc6-next-20220303-syzkaller #0 [ 719.716880][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 719.725613][ T28] task:syz-executor298 state:D stack:28032 pid: 3635 ppid: 3630 flags:0x00000004 [ 719.734904][ T28] Call Trace: [ 719.738185][ T28] [ 719.741113][ T28] __schedule+0xa94/0x4910 [ 719.745609][ T28] ? io_schedule_timeout+0x140/0x140 [ 719.750924][ T28] schedule+0xd2/0x1f0 [ 719.755097][ T28] schedule_preempt_disabled+0xf/0x20 [ 719.760494][ T28] __mutex_lock+0xa32/0x12f0 [ 719.765137][ T28] ? misc_open+0x55/0x4a0 [ 719.769487][ T28] ? mutex_lock_io_nested+0x1150/0x1150 [ 719.775121][ T28] ? find_held_lock+0x2d/0x110 [ 719.779903][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 719.784804][ T28] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 719.791065][ T28] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 719.797399][ T28] ? kobject_get_unless_zero+0x15a/0x1e0 [ 719.803039][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 719.808042][ T28] misc_open+0x55/0x4a0 [ 719.812207][ T28] ? misc_devnode+0x120/0x120 [ 719.816969][ T28] chrdev_open+0x266/0x770 [ 719.821400][ T28] ? cdev_device_add+0x220/0x220 [ 719.826388][ T28] ? fsnotify_perm.part.0+0x22d/0x620 [ 719.831777][ T28] do_dentry_open+0x4b9/0x1250 [ 719.836655][ T28] ? cdev_device_add+0x220/0x220 [ 719.841614][ T28] ? may_open+0x1f6/0x420 [ 719.846019][ T28] path_openat+0x1c9e/0x2940 [ 719.850639][ T28] ? path_lookupat+0x860/0x860 [ 719.855504][ T28] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 719.861509][ T28] do_filp_open+0x1aa/0x400 [ 719.866188][ T28] ? may_open_dev+0xf0/0xf0 [ 719.870709][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 719.875735][ T28] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 719.881992][ T28] ? _find_next_bit+0x1e3/0x260 [ 719.886896][ T28] ? _raw_spin_unlock+0x24/0x40 [ 719.891756][ T28] ? alloc_fd+0x2f0/0x670 [ 719.896237][ T28] do_sys_openat2+0x16d/0x4d0 [ 719.900935][ T28] ? find_held_lock+0x2d/0x110 [ 719.905741][ T28] ? build_open_flags+0x6f0/0x6f0 [ 719.910781][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 719.915727][ T28] __x64_sys_openat+0x13f/0x1f0 [ 719.920596][ T28] ? __ia32_sys_open+0x1c0/0x1c0 [ 719.925598][ T28] ? syscall_enter_from_user_mode+0x21/0x70 [ 719.931592][ T28] do_syscall_64+0x35/0xb0 [ 719.936122][ T28] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 719.942084][ T28] RIP: 0033:0x7ff4e1474c97 [ 719.946582][ T28] RSP: 002b:00007ffcf35b1a80 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 719.955101][ T28] RAX: ffffffffffffffda RBX: 00000000200000c0 RCX: 00007ff4e1474c97 [ 719.963066][ T28] RDX: 0000000000000002 RSI: 00007ff4e14fa03b RDI: 00000000ffffff9c [ 719.971096][ T28] RBP: 00007ff4e14fa03b R08: 00007ffcf35b1b68 R09: 0000000000000000 [ 719.979161][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 719.987225][ T28] R13: 0000000000000000 R14: 0000000000000036 R15: 00007ffcf35b3be0 [ 719.995293][ T28] [ 719.998333][ T28] INFO: task kworker/0:1:3639 blocked for more than 147 seconds. [ 720.006188][ T28] Not tainted 5.17.0-rc6-next-20220303-syzkaller #0 [ 720.013294][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 720.022057][ T28] task:kworker/0:1 state:D stack:26008 pid: 3639 ppid: 2 flags:0x00004000 [ 720.031306][ T28] Workqueue: usb_hub_wq hub_event [ 720.036453][ T28] Call Trace: [ 720.039731][ T28] [ 720.042650][ T28] __schedule+0xa94/0x4910 [ 720.047143][ T28] ? find_held_lock+0x2d/0x110 [ 720.051949][ T28] ? mark_lock.part.0+0x18c2/0x1910 [ 720.057256][ T28] ? io_schedule_timeout+0x140/0x140 [ 720.062566][ T28] ? lockdep_hardirqs_on+0x79/0x100 [ 720.067814][ T28] schedule+0xd2/0x1f0 [ 720.071904][ T28] schedule_timeout+0x1db/0x2a0 [ 720.076946][ T28] ? usleep_range_state+0x1b0/0x1b0 [ 720.082159][ T28] ? __wait_for_common+0x2a6/0x360 [ 720.087328][ T28] ? mark_held_locks+0x9f/0xe0 [ 720.092106][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 720.097142][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 720.102362][ T28] __wait_for_common+0x2af/0x360 [ 720.107374][ T28] ? usleep_range_state+0x1b0/0x1b0 [ 720.112591][ T28] ? bit_wait_io_timeout+0x160/0x160 [ 720.118000][ T28] ? port100_send_cmd_async+0x852/0xbb0 [ 720.123604][ T28] port100_probe+0x9ec/0x1320 [ 720.128311][ T28] ? port100_tg_configure_hw+0xd0/0xd0 [ 720.133861][ T28] ? __pm_runtime_set_status+0x49d/0xcd0 [ 720.139502][ T28] usb_probe_interface+0x315/0x7f0 [ 720.144659][ T28] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 720.150040][ T28] really_probe+0x245/0xcc0 [ 720.154649][ T28] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 720.160911][ T28] __driver_probe_device+0x338/0x4d0 [ 720.166259][ T28] driver_probe_device+0x4c/0x1a0 [ 720.171292][ T28] __device_attach_driver+0x20b/0x2f0 [ 720.176756][ T28] ? driver_allows_async_probing+0x150/0x150 [ 720.182747][ T28] bus_for_each_drv+0x15f/0x1e0 [ 720.187641][ T28] ? bus_for_each_dev+0x1d0/0x1d0 [ 720.192672][ T28] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 720.198572][ T28] ? lockdep_hardirqs_on+0x79/0x100 [ 720.203809][ T28] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 720.209613][ T28] __device_attach+0x228/0x4a0 [ 720.214463][ T28] ? device_driver_attach+0x210/0x210 [ 720.219845][ T28] ? kobject_uevent_env+0x2ac/0x1660 [ 720.225188][ T28] bus_probe_device+0x1e4/0x290 [ 720.230076][ T28] device_add+0xb83/0x1e20 [ 720.234602][ T28] ? mark_held_locks+0x9f/0xe0 [ 720.239388][ T28] ? __fw_devlink_link_to_suppliers+0x2d0/0x2d0 [ 720.245718][ T28] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 720.251562][ T28] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 720.257928][ T28] usb_set_configuration+0x101e/0x1900 [ 720.263421][ T28] usb_generic_driver_probe+0xba/0x100 [ 720.268970][ T28] usb_probe_device+0xd9/0x2c0 [ 720.273829][ T28] ? usb_driver_release_interface+0x180/0x180 [ 720.279933][ T28] really_probe+0x245/0xcc0 [ 720.284596][ T28] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 720.290863][ T28] __driver_probe_device+0x338/0x4d0 [ 720.296248][ T28] driver_probe_device+0x4c/0x1a0 [ 720.301302][ T28] __device_attach_driver+0x20b/0x2f0 [ 720.306721][ T28] ? driver_allows_async_probing+0x150/0x150 [ 720.312710][ T28] bus_for_each_drv+0x15f/0x1e0 [ 720.317648][ T28] ? bus_for_each_dev+0x1d0/0x1d0 [ 720.322695][ T28] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 720.328549][ T28] ? lockdep_hardirqs_on+0x79/0x100 [ 720.333811][ T28] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 720.339651][ T28] __device_attach+0x228/0x4a0 [ 720.344493][ T28] ? device_driver_attach+0x210/0x210 [ 720.349890][ T28] ? kobject_uevent_env+0x2ac/0x1660 [ 720.355280][ T28] bus_probe_device+0x1e4/0x290 [ 720.360144][ T28] device_add+0xb83/0x1e20 [ 720.364630][ T28] ? __fw_devlink_link_to_suppliers+0x2d0/0x2d0 [ 720.372130][ T28] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 720.378603][ T28] usb_new_device.cold+0x641/0x1091 [ 720.383862][ T28] ? hub_disconnect+0x510/0x510 [ 720.388716][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 720.393857][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 720.399070][ T28] hub_event+0x25c6/0x4680 [ 720.403581][ T28] ? hub_port_debounce+0x3c0/0x3c0 [ 720.408714][ T28] ? lock_release+0x720/0x720 [ 720.413391][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 720.418352][ T28] ? do_raw_spin_lock+0x120/0x2a0 [ 720.423402][ T28] process_one_work+0x996/0x1610 [ 720.428419][ T28] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 720.433883][ T28] ? try_to_del_timer_sync+0xbf/0x110 [ 720.439284][ T28] worker_thread+0x665/0x1080 [ 720.444026][ T28] ? process_one_work+0x1610/0x1610 [ 720.449246][ T28] kthread+0x2e9/0x3a0 [ 720.453312][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 720.459043][ T28] ret_from_fork+0x1f/0x30 [ 720.463534][ T28] [ 720.466677][ T28] INFO: task kworker/0:4:3640 blocked for more than 147 seconds. [ 720.474483][ T28] Not tainted 5.17.0-rc6-next-20220303-syzkaller #0 [ 720.481583][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 720.490289][ T28] task:kworker/0:4 state:D stack:26400 pid: 3640 ppid: 2 flags:0x00004000 [ 720.499687][ T28] Workqueue: usb_hub_wq hub_event [ 720.504767][ T28] Call Trace: [ 720.508053][ T28] [ 720.510996][ T28] __schedule+0xa94/0x4910 [ 720.515525][ T28] ? find_held_lock+0x2d/0x110 [ 720.520393][ T28] ? mark_lock.part.0+0x18c2/0x1910 [ 720.525652][ T28] ? io_schedule_timeout+0x140/0x140 [ 720.530964][ T28] ? lockdep_hardirqs_on+0x79/0x100 [ 720.536261][ T28] schedule+0xd2/0x1f0 [ 720.540348][ T28] schedule_timeout+0x1db/0x2a0 [ 720.545247][ T28] ? usleep_range_state+0x1b0/0x1b0 [ 720.550452][ T28] ? __wait_for_common+0x2a6/0x360 [ 720.555652][ T28] ? mark_held_locks+0x9f/0xe0 [ 720.560429][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 720.565414][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 720.570630][ T28] __wait_for_common+0x2af/0x360 [ 720.575671][ T28] ? usleep_range_state+0x1b0/0x1b0 [ 720.580883][ T28] ? bit_wait_io_timeout+0x160/0x160 [ 720.586233][ T28] ? port100_send_cmd_async+0x852/0xbb0 [ 720.591795][ T28] port100_probe+0x9ec/0x1320 [ 720.596562][ T28] ? port100_tg_configure_hw+0xd0/0xd0 [ 720.602061][ T28] ? __pm_runtime_set_status+0x49d/0xcd0 [ 720.607743][ T28] usb_probe_interface+0x315/0x7f0 [ 720.612866][ T28] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 720.618322][ T28] really_probe+0x245/0xcc0 [ 720.622856][ T28] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 720.629173][ T28] __driver_probe_device+0x338/0x4d0 [ 720.634565][ T28] driver_probe_device+0x4c/0x1a0 [ 720.639615][ T28] __device_attach_driver+0x20b/0x2f0 [ 720.645056][ T28] ? driver_allows_async_probing+0x150/0x150 [ 720.651045][ T28] bus_for_each_drv+0x15f/0x1e0 [ 720.655986][ T28] ? bus_for_each_dev+0x1d0/0x1d0 [ 720.661016][ T28] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 720.666951][ T28] ? lockdep_hardirqs_on+0x79/0x100 [ 720.672163][ T28] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 720.678072][ T28] __device_attach+0x228/0x4a0 [ 720.682847][ T28] ? device_driver_attach+0x210/0x210 [ 720.688271][ T28] ? kobject_uevent_env+0x2ac/0x1660 [ 720.693616][ T28] bus_probe_device+0x1e4/0x290 [ 720.698464][ T28] device_add+0xb83/0x1e20 [ 720.702865][ T28] ? mark_held_locks+0x9f/0xe0 [ 720.707784][ T28] ? __fw_devlink_link_to_suppliers+0x2d0/0x2d0 [ 720.714094][ T28] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 720.719920][ T28] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 720.726219][ T28] usb_set_configuration+0x101e/0x1900 [ 720.731709][ T28] usb_generic_driver_probe+0xba/0x100 [ 720.737268][ T28] usb_probe_device+0xd9/0x2c0 [ 720.742037][ T28] ? usb_driver_release_interface+0x180/0x180 [ 720.748177][ T28] really_probe+0x245/0xcc0 [ 720.752695][ T28] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 720.759072][ T28] __driver_probe_device+0x338/0x4d0 [ 720.764427][ T28] driver_probe_device+0x4c/0x1a0 [ 720.769474][ T28] __device_attach_driver+0x20b/0x2f0 [ 720.774959][ T28] ? driver_allows_async_probing+0x150/0x150 [ 720.780948][ T28] bus_for_each_drv+0x15f/0x1e0 [ 720.785855][ T28] ? bus_for_each_dev+0x1d0/0x1d0 [ 720.790894][ T28] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 720.796793][ T28] ? lockdep_hardirqs_on+0x79/0x100 [ 720.802003][ T28] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 720.807862][ T28] __device_attach+0x228/0x4a0 [ 720.812646][ T28] ? device_driver_attach+0x210/0x210 [ 720.818106][ T28] ? kobject_uevent_env+0x2ac/0x1660 [ 720.823403][ T28] bus_probe_device+0x1e4/0x290 [ 720.828327][ T28] device_add+0xb83/0x1e20 [ 720.832741][ T28] ? __fw_devlink_link_to_suppliers+0x2d0/0x2d0 [ 720.839076][ T28] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 720.845369][ T28] usb_new_device.cold+0x641/0x1091 [ 720.850573][ T28] ? hub_disconnect+0x510/0x510 [ 720.855501][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 720.860454][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 720.865724][ T28] hub_event+0x25c6/0x4680 [ 720.870198][ T28] ? hub_port_debounce+0x3c0/0x3c0 [ 720.875404][ T28] ? lock_release+0x720/0x720 [ 720.880110][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 720.885035][ T28] ? do_raw_spin_lock+0x120/0x2a0 [ 720.890093][ T28] process_one_work+0x996/0x1610 [ 720.895147][ T28] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 720.900536][ T28] ? try_to_del_timer_sync+0xbf/0x110 [ 720.905988][ T28] worker_thread+0x665/0x1080 [ 720.910700][ T28] ? process_one_work+0x1610/0x1610 [ 720.916078][ T28] kthread+0x2e9/0x3a0 [ 720.920185][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 720.925863][ T28] ret_from_fork+0x1f/0x30 [ 720.930301][ T28] [ 720.933332][ T28] INFO: task syz-executor298:3649 can't die for more than 148 seconds. [ 720.941674][ T28] task:syz-executor298 state:D stack:28032 pid: 3649 ppid: 3625 flags:0x00000004 [ 720.950921][ T28] Call Trace: [ 720.954274][ T28] [ 720.957203][ T28] __schedule+0xa94/0x4910 [ 720.961626][ T28] ? io_schedule_timeout+0x140/0x140 [ 720.966978][ T28] schedule+0xd2/0x1f0 [ 720.971063][ T28] schedule_preempt_disabled+0xf/0x20 [ 720.976516][ T28] __mutex_lock+0xa32/0x12f0 [ 720.981113][ T28] ? misc_open+0x55/0x4a0 [ 720.985502][ T28] ? mutex_lock_io_nested+0x1150/0x1150 [ 720.991065][ T28] ? find_held_lock+0x2d/0x110 [ 720.995941][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 721.000805][ T28] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 721.007104][ T28] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 721.013381][ T28] ? kobject_get_unless_zero+0x15a/0x1e0 [ 721.019125][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 721.024157][ T28] misc_open+0x55/0x4a0 [ 721.028337][ T28] ? misc_devnode+0x120/0x120 [ 721.033017][ T28] chrdev_open+0x266/0x770 [ 721.037519][ T28] ? cdev_device_add+0x220/0x220 [ 721.042466][ T28] ? fsnotify_perm.part.0+0x22d/0x620 [ 721.047894][ T28] do_dentry_open+0x4b9/0x1250 [ 721.052689][ T28] ? cdev_device_add+0x220/0x220 [ 721.057717][ T28] ? may_open+0x1f6/0x420 [ 721.062063][ T28] path_openat+0x1c9e/0x2940 [ 721.066831][ T28] ? path_lookupat+0x860/0x860 [ 721.071620][ T28] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 721.077732][ T28] do_filp_open+0x1aa/0x400 [ 721.082250][ T28] ? may_open_dev+0xf0/0xf0 [ 721.086816][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 721.091770][ T28] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 721.098117][ T28] ? _find_next_bit+0x1e3/0x260 [ 721.102983][ T28] ? _raw_spin_unlock+0x24/0x40 [ 721.107895][ T28] ? alloc_fd+0x2f0/0x670 [ 721.112245][ T28] do_sys_openat2+0x16d/0x4d0 [ 721.117081][ T28] ? find_held_lock+0x2d/0x110 [ 721.121865][ T28] ? build_open_flags+0x6f0/0x6f0 [ 721.127080][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 721.131959][ T28] __x64_sys_openat+0x13f/0x1f0 [ 721.136910][ T28] ? __ia32_sys_open+0x1c0/0x1c0 [ 721.141871][ T28] ? syscall_enter_from_user_mode+0x21/0x70 [ 721.147871][ T28] do_syscall_64+0x35/0xb0 [ 721.152318][ T28] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 721.158341][ T28] RIP: 0033:0x7ff4e1474c97 [ 721.162779][ T28] RSP: 002b:00007ffcf35b1a80 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 721.171262][ T28] RAX: ffffffffffffffda RBX: 00000000200000c0 RCX: 00007ff4e1474c97 [ 721.179302][ T28] RDX: 0000000000000002 RSI: 00007ff4e14fa03b RDI: 00000000ffffff9c [ 721.187327][ T28] RBP: 00007ff4e14fa03b R08: 00007ffcf35b1b68 R09: 0000000000000000 [ 721.195362][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 721.203411][ T28] R13: 00007ffcf35b3bdc R14: 0000000000000036 R15: 00007ffcf35b3be0 [ 721.211466][ T28] [ 721.214586][ T28] INFO: task syz-executor298:3649 blocked for more than 148 seconds. [ 721.222658][ T28] Not tainted 5.17.0-rc6-next-20220303-syzkaller #0 [ 721.230338][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 721.239137][ T28] task:syz-executor298 state:D stack:28032 pid: 3649 ppid: 3625 flags:0x00000004 [ 721.248426][ T28] Call Trace: [ 721.251727][ T28] [ 721.254750][ T28] __schedule+0xa94/0x4910 [ 721.259213][ T28] ? io_schedule_timeout+0x140/0x140 [ 721.264580][ T28] schedule+0xd2/0x1f0 [ 721.268666][ T28] schedule_preempt_disabled+0xf/0x20 [ 721.274157][ T28] __mutex_lock+0xa32/0x12f0 [ 721.278772][ T28] ? misc_open+0x55/0x4a0 [ 721.283123][ T28] ? mutex_lock_io_nested+0x1150/0x1150 [ 721.288746][ T28] ? find_held_lock+0x2d/0x110 [ 721.293596][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 721.298443][ T28] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 721.304744][ T28] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 721.311005][ T28] ? kobject_get_unless_zero+0x15a/0x1e0 [ 721.316749][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 721.321707][ T28] misc_open+0x55/0x4a0 [ 721.325907][ T28] ? misc_devnode+0x120/0x120 [ 721.330590][ T28] chrdev_open+0x266/0x770 [ 721.335200][ T28] ? cdev_device_add+0x220/0x220 [ 721.340155][ T28] ? fsnotify_perm.part.0+0x22d/0x620 [ 721.345584][ T28] do_dentry_open+0x4b9/0x1250 [ 721.350358][ T28] ? cdev_device_add+0x220/0x220 [ 721.355388][ T28] ? may_open+0x1f6/0x420 [ 721.359726][ T28] path_openat+0x1c9e/0x2940 [ 721.364384][ T28] ? path_lookupat+0x860/0x860 [ 721.369155][ T28] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 721.375239][ T28] do_filp_open+0x1aa/0x400 [ 721.379756][ T28] ? may_open_dev+0xf0/0xf0 [ 721.384312][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 721.389289][ T28] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 721.395642][ T28] ? _find_next_bit+0x1e3/0x260 [ 721.400514][ T28] ? _raw_spin_unlock+0x24/0x40 [ 721.405439][ T28] ? alloc_fd+0x2f0/0x670 [ 721.409821][ T28] do_sys_openat2+0x16d/0x4d0 [ 721.414609][ T28] ? find_held_lock+0x2d/0x110 [ 721.419406][ T28] ? build_open_flags+0x6f0/0x6f0 [ 721.424505][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 721.429377][ T28] __x64_sys_openat+0x13f/0x1f0 [ 721.434319][ T28] ? __ia32_sys_open+0x1c0/0x1c0 [ 721.439276][ T28] ? syscall_enter_from_user_mode+0x21/0x70 [ 721.445259][ T28] do_syscall_64+0x35/0xb0 [ 721.449708][ T28] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 721.455693][ T28] RIP: 0033:0x7ff4e1474c97 [ 721.460111][ T28] RSP: 002b:00007ffcf35b1a80 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 721.468561][ T28] RAX: ffffffffffffffda RBX: 00000000200000c0 RCX: 00007ff4e1474c97 [ 721.476598][ T28] RDX: 0000000000000002 RSI: 00007ff4e14fa03b RDI: 00000000ffffff9c [ 721.484619][ T28] RBP: 00007ff4e14fa03b R08: 00007ffcf35b1b68 R09: 0000000000000000 [ 721.492594][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 721.500655][ T28] R13: 00007ffcf35b3bdc R14: 0000000000000036 R15: 00007ffcf35b3be0 [ 721.508702][ T28] [ 721.511723][ T28] [ 721.511723][ T28] Showing all locks held in the system: [ 721.519548][ T28] 1 lock held by khungtaskd/28: [ 721.524445][ T28] #0: ffffffff8bd858e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 721.534484][ T28] 5 locks held by kworker/1:2/142: [ 721.539596][ T28] #0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 [ 721.550505][ T28] #1: ffffc900020bfda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 [ 721.561861][ T28] #2: ffff88801ec7d220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4680 [ 721.570795][ T28] #3: ffff888078b63220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 721.580101][ T28] #4: ffff888078b641a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 721.589379][ T28] 5 locks held by kworker/0:2/917: [ 721.594570][ T28] #0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 [ 721.605336][ T28] #1: ffffc90004a5fda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 [ 721.616672][ T28] #2: ffff88801ed53220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4680 [ 721.625674][ T28] #3: ffff888148b9e220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 721.634997][ T28] #4: ffff88814bd1f1a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 721.644289][ T28] 5 locks held by kworker/0:3/3258: [ 721.649470][ T28] #0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 [ 721.660273][ T28] #1: ffffc90002f9fda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 [ 721.671571][ T28] #2: ffff888148ee3220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4680 [ 721.680585][ T28] #3: ffff88814bc76220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 721.689869][ T28] #4: ffff88814bd851a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 721.699191][ T28] 2 locks held by getty/3278: [ 721.703906][ T28] #0: ffff888024631098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 [ 721.713822][ T28] #1: ffffc90002e662e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 [ 721.724001][ T28] 1 lock held by syz-executor298/3631: [ 721.729443][ T28] #0: ffffffff8c7fa668 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 [ 721.737970][ T28] 1 lock held by syz-executor298/3632: [ 721.743490][ T28] #0: ffffffff8c7fa668 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 [ 721.751932][ T28] 1 lock held by syz-executor298/3634: [ 721.757560][ T28] #0: ffffffff8c7fa668 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 [ 721.766089][ T28] 1 lock held by syz-executor298/3635: [ 721.771543][ T28] #0: ffffffff8c7fa668 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 [ 721.780072][ T28] 5 locks held by kworker/0:1/3639: [ 721.785320][ T28] #0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 [ 721.796130][ T28] #1: ffffc90003c1fda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 [ 721.807426][ T28] #2: ffff888148efb220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4680 [ 721.816435][ T28] #3: ffff888148bcd220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 721.825741][ T28] #4: ffff88814bd781a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 721.835065][ T28] 5 locks held by kworker/0:4/3640: [ 721.840269][ T28] #0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 [ 721.851027][ T28] #1: ffffc90003c2fda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 [ 721.862339][ T28] #2: ffff888148ed3220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4680 [ 721.871259][ T28] #3: ffff888148bcc220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 721.880571][ T28] #4: ffff88814bd821a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 721.889855][ T28] 1 lock held by syz-executor298/3649: [ 721.895372][ T28] #0: ffffffff8c7fa668 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 [ 721.903883][ T28] 2 locks held by syz-executor298/3650: [ 721.909426][ T28] #0: ffffffff8c7fa668 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 [ 721.917952][ T28] #1: ffffffff8bc50a28 (system_transition_mutex){+.+.}-{3:3}, at: snapshot_open+0x3b/0x2a0 [ 721.928157][ T28] [ 721.930480][ T28] ============================================= [ 721.930480][ T28] [ 721.939001][ T28] NMI backtrace for cpu 0 [ 721.943322][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 5.17.0-rc6-next-20220303-syzkaller #0 [ 721.952684][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 721.962732][ T28] Call Trace: [ 721.966020][ T28] [ 721.968940][ T28] dump_stack_lvl+0xcd/0x134 [ 721.973606][ T28] nmi_cpu_backtrace.cold+0x47/0x144 [ 721.978887][ T28] ? lapic_can_unplug_cpu+0x80/0x80 [ 721.984113][ T28] nmi_trigger_cpumask_backtrace+0x1e6/0x230 [ 721.990092][ T28] watchdog+0xcb7/0xed0 [ 721.994258][ T28] ? trace_sched_process_hang+0x280/0x280 [ 721.999986][ T28] kthread+0x2e9/0x3a0 [ 722.004055][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 722.009703][ T28] ret_from_fork+0x1f/0x30 [ 722.014129][ T28] [ 722.017304][ T28] Sending NMI from CPU 0 to CPUs 1: [ 722.022519][ C1] NMI backtrace for cpu 1 [ 722.022530][ C1] CPU: 1 PID: 980 Comm: kworker/u4:4 Not tainted 5.17.0-rc6-next-20220303-syzkaller #0 [ 722.022552][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 722.022569][ C1] Workqueue: events_unbound toggle_allocation_gate [ 722.022647][ C1] RIP: 0010:debug_object_activate+0x182/0x3e0 [ 722.022703][ C1] Code: 00 00 00 00 fc ff df 48 8d 7d 18 83 c3 01 48 89 f8 48 c1 e8 03 42 80 3c 28 00 0f 85 c6 01 00 00 4c 3b 65 18 0f 84 bf 00 00 00 <48> 89 e8 48 c1 e8 03 42 80 3c 28 00 0f 85 c6 01 00 00 48 8b 6d 00 [ 722.022722][ C1] RSP: 0018:ffffc90004cff9d0 EFLAGS: 00000006 [ 722.022737][ C1] RAX: 1ffff1100391e2b9 RBX: 000000000000000a RCX: ffffffff815e3600 [ 722.022750][ C1] RDX: 1ffffffff20ebbdc RSI: 0000000000000006 RDI: ffff88801c8f15c8 [ 722.022763][ C1] RBP: ffff88801c8f15b0 R08: ffffffff9075ded0 R09: 0000000000000003 [ 722.022776][ C1] R10: fffff5200099ff28 R11: 0000000000000001 R12: ffffffff8bed8588 [ 722.022789][ C1] R13: dffffc0000000000 R14: 1ffff9200099ff3c R15: ffffffff89ce5c00 [ 722.022803][ C1] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 722.022823][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 722.022838][ C1] CR2: 000055d0efeb5050 CR3: 000000000ba8e000 CR4: 00000000003506e0 [ 722.022850][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 722.022862][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 722.022874][ C1] Call Trace: [ 722.022879][ C1] [ 722.022887][ C1] ? debug_object_assert_init+0x2e0/0x2e0 [ 722.022919][ C1] ? get_nohz_timer_target+0x1d/0x5a0 [ 722.022973][ C1] __mod_timer+0x77d/0xe30 [ 722.022998][ C1] ? enqueue_timer+0x5c0/0x5c0 [ 722.023019][ C1] ? find_held_lock+0x2d/0x110 [ 722.023045][ C1] ? toggle_allocation_gate+0x183/0x390 [ 722.023073][ C1] __queue_delayed_work+0x1a7/0x270 [ 722.023097][ C1] queue_delayed_work_on+0x105/0x120 [ 722.023121][ C1] toggle_allocation_gate+0x1c8/0x390 [ 722.023147][ C1] ? lock_release+0x720/0x720 [ 722.023172][ C1] ? wake_up_kfence_timer+0x20/0x20 [ 722.023198][ C1] ? finish_wait+0x270/0x270 [ 722.023239][ C1] process_one_work+0x996/0x1610 [ 722.023264][ C1] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 722.023287][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 722.023314][ C1] ? _raw_spin_lock_irq+0x41/0x50 [ 722.023342][ C1] worker_thread+0x665/0x1080 [ 722.023366][ C1] ? __kthread_parkme+0x15f/0x220 [ 722.023393][ C1] ? process_one_work+0x1610/0x1610 [ 722.023415][ C1] kthread+0x2e9/0x3a0 [ 722.023443][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 722.023474][ C1] ret_from_fork+0x1f/0x30 [ 722.023505][ C1] [ 722.027349][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 722.027363][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 5.17.0-rc6-next-20220303-syzkaller #0 [ 722.027386][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 722.027398][ T28] Call Trace: [ 722.027404][ T28] [ 722.027411][ T28] dump_stack_lvl+0xcd/0x134 [ 722.027440][ T28] panic+0x2d7/0x636 [ 722.027466][ T28] ? panic_print_sys_info.part.0+0x10b/0x10b [ 722.027497][ T28] ? lapic_can_unplug_cpu+0x80/0x80 [ 722.027521][ T28] ? preempt_schedule_thunk+0x16/0x18 [ 722.027550][ T28] ? nmi_trigger_cpumask_backtrace+0x1c9/0x230 [ 722.027583][ T28] ? watchdog.cold+0x1b9/0x1de [ 722.027646][ T28] watchdog.cold+0x1ca/0x1de [ 722.027672][ T28] ? trace_sched_process_hang+0x280/0x280 [ 722.027708][ T28] kthread+0x2e9/0x3a0 [ 722.027739][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 722.027774][ T28] ret_from_fork+0x1f/0x30 [ 722.027814][ T28] [ 722.028187][ T28] Kernel Offset: disabled [ 722.385237][ T28] Rebooting in 86400 seconds..