INFO: task kworker/1:0:20 blocked for more than 143 seconds.
Not tainted 5.17.0-rc5-syzkaller-00306-g2293be58d6a1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0 state:D stack:21008 pid: 20 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0x926/0x1080 kernel/sched/core.c:6304
schedule+0x12b/0x1f0 kernel/sched/core.c:6377
schedule_timeout+0xac/0x300 kernel/time/timer.c:1857
do_wait_for_common+0x2da/0x480 kernel/sched/completion.c:85
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x46/0x60 kernel/sched/completion.c:138
port100_send_cmd_sync drivers/nfc/port100.c:926 [inline]
port100_get_command_type_mask drivers/nfc/port100.c:1011 [inline]
port100_probe+0xb2e/0x1640 drivers/nfc/port100.c:1557
usb_probe_interface+0x633/0xb40 drivers/usb/core/driver.c:396
call_driver_probe+0x96/0x250
really_probe+0x222/0x9f0 drivers/base/dd.c:596
__driver_probe_device+0x1f8/0x3e0 drivers/base/dd.c:755
driver_probe_device+0x50/0x240 drivers/base/dd.c:785
__device_attach_driver+0x1e1/0x3b0 drivers/base/dd.c:902
bus_for_each_drv+0x18a/0x210 drivers/base/bus.c:427
__device_attach+0x310/0x560 drivers/base/dd.c:973
bus_probe_device+0xb8/0x1f0 drivers/base/bus.c:487
device_add+0x11c8/0x16d0 drivers/base/core.c:3405
usb_set_configuration+0x1a86/0x2100 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0x83/0x140 drivers/usb/core/generic.c:238
usb_probe_device+0x13a/0x260 drivers/usb/core/driver.c:293
call_driver_probe+0x96/0x250
really_probe+0x222/0x9f0 drivers/base/dd.c:596
__driver_probe_device+0x1f8/0x3e0 drivers/base/dd.c:755
driver_probe_device+0x50/0x240 drivers/base/dd.c:785
__device_attach_driver+0x1e1/0x3b0 drivers/base/dd.c:902
bus_for_each_drv+0x18a/0x210 drivers/base/bus.c:427
__device_attach+0x310/0x560 drivers/base/dd.c:973
bus_probe_device+0xb8/0x1f0 drivers/base/bus.c:487
device_add+0x11c8/0x16d0 drivers/base/core.c:3405
usb_new_device+0x108a/0x1940 drivers/usb/core/hub.c:2566
hub_port_connect+0x100b/0x2910 drivers/usb/core/hub.c:5358
hub_port_connect_change+0x5f9/0xc20 drivers/usb/core/hub.c:5502
port_event+0xca0/0x13e0 drivers/usb/core/hub.c:5660
hub_event+0x4ed/0xe40 drivers/usb/core/hub.c:5742
process_one_work+0x86c/0x1190 kernel/workqueue.c:2307
process_scheduled_works kernel/workqueue.c:2370 [inline]
worker_thread+0xe18/0x1300 kernel/workqueue.c:2456
kthread+0x2a3/0x2d0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30
INFO: task kworker/0:2:142 blocked for more than 143 seconds.
Not tainted 5.17.0-rc5-syzkaller-00306-g2293be58d6a1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2 state:D stack:20376 pid: 142 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0x926/0x1080 kernel/sched/core.c:6304
schedule+0x12b/0x1f0 kernel/sched/core.c:6377
schedule_timeout+0xac/0x300 kernel/time/timer.c:1857
do_wait_for_common+0x2da/0x480 kernel/sched/completion.c:85
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x46/0x60 kernel/sched/completion.c:138
port100_send_cmd_sync drivers/nfc/port100.c:926 [inline]
port100_get_command_type_mask drivers/nfc/port100.c:1011 [inline]
port100_probe+0xb2e/0x1640 drivers/nfc/port100.c:1557
usb_probe_interface+0x633/0xb40 drivers/usb/core/driver.c:396
call_driver_probe+0x96/0x250
really_probe+0x222/0x9f0 drivers/base/dd.c:596
__driver_probe_device+0x1f8/0x3e0 drivers/base/dd.c:755
driver_probe_device+0x50/0x240 drivers/base/dd.c:785
__device_attach_driver+0x1e1/0x3b0 drivers/base/dd.c:902
bus_for_each_drv+0x18a/0x210 drivers/base/bus.c:427
__device_attach+0x310/0x560 drivers/base/dd.c:973
bus_probe_device+0xb8/0x1f0 drivers/base/bus.c:487
device_add+0x11c8/0x16d0 drivers/base/core.c:3405
usb_set_configuration+0x1a86/0x2100 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0x83/0x140 drivers/usb/core/generic.c:238
usb_probe_device+0x13a/0x260 drivers/usb/core/driver.c:293
call_driver_probe+0x96/0x250
really_probe+0x222/0x9f0 drivers/base/dd.c:596
__driver_probe_device+0x1f8/0x3e0 drivers/base/dd.c:755
driver_probe_device+0x50/0x240 drivers/base/dd.c:785
__device_attach_driver+0x1e1/0x3b0 drivers/base/dd.c:902
bus_for_each_drv+0x18a/0x210 drivers/base/bus.c:427
__device_attach+0x310/0x560 drivers/base/dd.c:973
bus_probe_device+0xb8/0x1f0 drivers/base/bus.c:487
device_add+0x11c8/0x16d0 drivers/base/core.c:3405
usb_new_device+0x108a/0x1940 drivers/usb/core/hub.c:2566
hub_port_connect+0x100b/0x2910 drivers/usb/core/hub.c:5358
hub_port_connect_change+0x5f9/0xc20 drivers/usb/core/hub.c:5502
port_event+0xca0/0x13e0 drivers/usb/core/hub.c:5660
hub_event+0x4ed/0xe40 drivers/usb/core/hub.c:5742
process_one_work+0x86c/0x1190 kernel/workqueue.c:2307
process_scheduled_works kernel/workqueue.c:2370 [inline]
worker_thread+0xe18/0x1300 kernel/workqueue.c:2456
kthread+0x2a3/0x2d0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30
INFO: task kworker/1:1:3638 blocked for more than 144 seconds.
Not tainted 5.17.0-rc5-syzkaller-00306-g2293be58d6a1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1 state:D stack:22152 pid: 3638 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0x926/0x1080 kernel/sched/core.c:6304
schedule+0x12b/0x1f0 kernel/sched/core.c:6377
schedule_timeout+0xac/0x300 kernel/time/timer.c:1857
do_wait_for_common+0x2da/0x480 kernel/sched/completion.c:85
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x46/0x60 kernel/sched/completion.c:138
port100_send_cmd_sync drivers/nfc/port100.c:926 [inline]
port100_get_command_type_mask drivers/nfc/port100.c:1011 [inline]
port100_probe+0xb2e/0x1640 drivers/nfc/port100.c:1557
usb_probe_interface+0x633/0xb40 drivers/usb/core/driver.c:396
call_driver_probe+0x96/0x250
really_probe+0x222/0x9f0 drivers/base/dd.c:596
__driver_probe_device+0x1f8/0x3e0 drivers/base/dd.c:755
driver_probe_device+0x50/0x240 drivers/base/dd.c:785
__device_attach_driver+0x1e1/0x3b0 drivers/base/dd.c:902
bus_for_each_drv+0x18a/0x210 drivers/base/bus.c:427
__device_attach+0x310/0x560 drivers/base/dd.c:973
bus_probe_device+0xb8/0x1f0 drivers/base/bus.c:487
device_add+0x11c8/0x16d0 drivers/base/core.c:3405
usb_set_configuration+0x1a86/0x2100 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0x83/0x140 drivers/usb/core/generic.c:238
usb_probe_device+0x13a/0x260 drivers/usb/core/driver.c:293
call_driver_probe+0x96/0x250
really_probe+0x222/0x9f0 drivers/base/dd.c:596
__driver_probe_device+0x1f8/0x3e0 drivers/base/dd.c:755
driver_probe_device+0x50/0x240 drivers/base/dd.c:785
__device_attach_driver+0x1e1/0x3b0 drivers/base/dd.c:902
bus_for_each_drv+0x18a/0x210 drivers/base/bus.c:427
__device_attach+0x310/0x560 drivers/base/dd.c:973
bus_probe_device+0xb8/0x1f0 drivers/base/bus.c:487
device_add+0x11c8/0x16d0 drivers/base/core.c:3405
usb_new_device+0x108a/0x1940 drivers/usb/core/hub.c:2566
hub_port_connect+0x100b/0x2910 drivers/usb/core/hub.c:5358
hub_port_connect_change+0x5f9/0xc20 drivers/usb/core/hub.c:5502
port_event+0xca0/0x13e0 drivers/usb/core/hub.c:5660
hub_event+0x4ed/0xe40 drivers/usb/core/hub.c:5742
process_one_work+0x86c/0x1190 kernel/workqueue.c:2307
process_scheduled_works kernel/workqueue.c:2370 [inline]
worker_thread+0xe18/0x1300 kernel/workqueue.c:2456
kthread+0x2a3/0x2d0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30
INFO: task kworker/1:3:3641 blocked for more than 145 seconds.
Not tainted 5.17.0-rc5-syzkaller-00306-g2293be58d6a1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:3 state:D stack:20952 pid: 3641 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0x926/0x1080 kernel/sched/core.c:6304
schedule+0x12b/0x1f0 kernel/sched/core.c:6377
schedule_timeout+0xac/0x300 kernel/time/timer.c:1857
do_wait_for_common+0x2da/0x480 kernel/sched/completion.c:85
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x46/0x60 kernel/sched/completion.c:138
port100_send_cmd_sync drivers/nfc/port100.c:926 [inline]
port100_get_command_type_mask drivers/nfc/port100.c:1011 [inline]
port100_probe+0xb2e/0x1640 drivers/nfc/port100.c:1557
usb_probe_interface+0x633/0xb40 drivers/usb/core/driver.c:396
call_driver_probe+0x96/0x250
really_probe+0x222/0x9f0 drivers/base/dd.c:596
__driver_probe_device+0x1f8/0x3e0 drivers/base/dd.c:755
driver_probe_device+0x50/0x240 drivers/base/dd.c:785
__device_attach_driver+0x1e1/0x3b0 drivers/base/dd.c:902
bus_for_each_drv+0x18a/0x210 drivers/base/bus.c:427
__device_attach+0x310/0x560 drivers/base/dd.c:973
bus_probe_device+0xb8/0x1f0 drivers/base/bus.c:487
device_add+0x11c8/0x16d0 drivers/base/core.c:3405
usb_set_configuration+0x1a86/0x2100 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0x83/0x140 drivers/usb/core/generic.c:238
usb_probe_device+0x13a/0x260 drivers/usb/core/driver.c:293
call_driver_probe+0x96/0x250
really_probe+0x222/0x9f0 drivers/base/dd.c:596
__driver_probe_device+0x1f8/0x3e0 drivers/base/dd.c:755
driver_probe_device+0x50/0x240 drivers/base/dd.c:785
__device_attach_driver+0x1e1/0x3b0 drivers/base/dd.c:902
bus_for_each_drv+0x18a/0x210 drivers/base/bus.c:427
__device_attach+0x310/0x560 drivers/base/dd.c:973
bus_probe_device+0xb8/0x1f0 drivers/base/bus.c:487
device_add+0x11c8/0x16d0 drivers/base/core.c:3405
usb_new_device+0x108a/0x1940 drivers/usb/core/hub.c:2566
hub_port_connect+0x100b/0x2910 drivers/usb/core/hub.c:5358
hub_port_connect_change+0x5f9/0xc20 drivers/usb/core/hub.c:5502
port_event+0xca0/0x13e0 drivers/usb/core/hub.c:5660
hub_event+0x4ed/0xe40 drivers/usb/core/hub.c:5742
process_one_work+0x86c/0x1190 kernel/workqueue.c:2307
process_scheduled_works kernel/workqueue.c:2370 [inline]
worker_thread+0xe18/0x1300 kernel/workqueue.c:2456
kthread+0x2a3/0x2d0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30
INFO: task kworker/1:4:3643 blocked for more than 145 seconds.
Not tainted 5.17.0-rc5-syzkaller-00306-g2293be58d6a1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:4 state:D stack:20688 pid: 3643 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0x926/0x1080 kernel/sched/core.c:6304
schedule+0x12b/0x1f0 kernel/sched/core.c:6377
schedule_timeout+0xac/0x300 kernel/time/timer.c:1857
do_wait_for_common+0x2da/0x480 kernel/sched/completion.c:85
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x46/0x60 kernel/sched/completion.c:138
port100_send_cmd_sync drivers/nfc/port100.c:926 [inline]
port100_get_command_type_mask drivers/nfc/port100.c:1011 [inline]
port100_probe+0xb2e/0x1640 drivers/nfc/port100.c:1557
usb_probe_interface+0x633/0xb40 drivers/usb/core/driver.c:396
call_driver_probe+0x96/0x250
really_probe+0x222/0x9f0 drivers/base/dd.c:596
__driver_probe_device+0x1f8/0x3e0 drivers/base/dd.c:755
driver_probe_device+0x50/0x240 drivers/base/dd.c:785
__device_attach_driver+0x1e1/0x3b0 drivers/base/dd.c:902
bus_for_each_drv+0x18a/0x210 drivers/base/bus.c:427
__device_attach+0x310/0x560 drivers/base/dd.c:973
bus_probe_device+0xb8/0x1f0 drivers/base/bus.c:487
device_add+0x11c8/0x16d0 drivers/base/core.c:3405
usb_set_configuration+0x1a86/0x2100 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0x83/0x140 drivers/usb/core/generic.c:238
usb_probe_device+0x13a/0x260 drivers/usb/core/driver.c:293
call_driver_probe+0x96/0x250
really_probe+0x222/0x9f0 drivers/base/dd.c:596
__driver_probe_device+0x1f8/0x3e0 drivers/base/dd.c:755
driver_probe_device+0x50/0x240 drivers/base/dd.c:785
__device_attach_driver+0x1e1/0x3b0 drivers/base/dd.c:902
bus_for_each_drv+0x18a/0x210 drivers/base/bus.c:427
__device_attach+0x310/0x560 drivers/base/dd.c:973
bus_probe_device+0xb8/0x1f0 drivers/base/bus.c:487
device_add+0x11c8/0x16d0 drivers/base/core.c:3405
usb_new_device+0x108a/0x1940 drivers/usb/core/hub.c:2566
hub_port_connect+0x100b/0x2910 drivers/usb/core/hub.c:5358
hub_port_connect_change+0x5f9/0xc20 drivers/usb/core/hub.c:5502
port_event+0xca0/0x13e0 drivers/usb/core/hub.c:5660
hub_event+0x4ed/0xe40 drivers/usb/core/hub.c:5742
process_one_work+0x86c/0x1190 kernel/workqueue.c:2307
process_scheduled_works kernel/workqueue.c:2370 [inline]
worker_thread+0xe18/0x1300 kernel/workqueue.c:2456
kthread+0x2a3/0x2d0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30
INFO: task syz-executor275:3663 blocked for more than 146 seconds.
Not tainted 5.17.0-rc5-syzkaller-00306-g2293be58d6a1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor275 state:D stack:26576 pid: 3663 ppid: 3627 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0x926/0x1080 kernel/sched/core.c:6304
schedule+0x12b/0x1f0 kernel/sched/core.c:6377
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6436
__mutex_lock_common+0xd1f/0x2590 kernel/locking/mutex.c:673
__mutex_lock kernel/locking/mutex.c:733 [inline]
mutex_lock_nested+0x1a/0x20 kernel/locking/mutex.c:785
misc_open+0x57/0x3c0 drivers/char/misc.c:107
chrdev_open+0x5fb/0x680 fs/char_dev.c:414
do_dentry_open+0x78b/0x1020 fs/open.c:824
do_open fs/namei.c:3476 [inline]
path_openat+0x273b/0x36a0 fs/namei.c:3609
do_filp_open+0x277/0x4f0 fs/namei.c:3636
do_sys_openat2+0x13b/0x500 fs/open.c:1214
do_sys_open fs/open.c:1230 [inline]
__do_sys_openat fs/open.c:1246 [inline]
__se_sys_openat fs/open.c:1241 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1241
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f3e041ffc97
RSP: 002b:00007fff87cc4780 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00000000200000c0 RCX: 00007f3e041ffc97
RDX: 0000000000000002 RSI: 00007f3e0428503b RDI: 00000000ffffff9c
RBP: 00007f3e0428503b R08: 00007fff87cc4868 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007fff87cc68dc R14: 0000000000000036 R15: 00007fff87cc68e0
INFO: task syz-executor275:3664 blocked for more than 146 seconds.
Not tainted 5.17.0-rc5-syzkaller-00306-g2293be58d6a1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor275 state:D stack:26128 pid: 3664 ppid: 3631 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0x926/0x1080 kernel/sched/core.c:6304
schedule+0x12b/0x1f0 kernel/sched/core.c:6377
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6436
__mutex_lock_common+0xd1f/0x2590 kernel/locking/mutex.c:673
__mutex_lock kernel/locking/mutex.c:733 [inline]
mutex_lock_nested+0x1a/0x20 kernel/locking/mutex.c:785
misc_open+0x57/0x3c0 drivers/char/misc.c:107
chrdev_open+0x5fb/0x680 fs/char_dev.c:414
do_dentry_open+0x78b/0x1020 fs/open.c:824
do_open fs/namei.c:3476 [inline]
path_openat+0x273b/0x36a0 fs/namei.c:3609
do_filp_open+0x277/0x4f0 fs/namei.c:3636
do_sys_openat2+0x13b/0x500 fs/open.c:1214
do_sys_open fs/open.c:1230 [inline]
__do_sys_openat fs/open.c:1246 [inline]
__se_sys_openat fs/open.c:1241 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1241
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f3e041ffc97
RSP: 002b:00007fff87cc4780 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00000000200000c0 RCX: 00007f3e041ffc97
RDX: 0000000000000002 RSI: 00007f3e0428503b RDI: 00000000ffffff9c
RBP: 00007f3e0428503b R08: 00007fff87cc4868 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007fff87cc68dc R14: 0000000000000036 R15: 00007fff87cc68e0
INFO: task syz-executor275:3665 blocked for more than 146 seconds.
Not tainted 5.17.0-rc5-syzkaller-00306-g2293be58d6a1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor275 state:D stack:26768 pid: 3665 ppid: 3630 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0x926/0x1080 kernel/sched/core.c:6304
schedule+0x12b/0x1f0 kernel/sched/core.c:6377
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6436
__mutex_lock_common+0xd1f/0x2590 kernel/locking/mutex.c:673
__mutex_lock kernel/locking/mutex.c:733 [inline]
mutex_lock_nested+0x1a/0x20 kernel/locking/mutex.c:785
misc_open+0x57/0x3c0 drivers/char/misc.c:107
chrdev_open+0x5fb/0x680 fs/char_dev.c:414
do_dentry_open+0x78b/0x1020 fs/open.c:824
do_open fs/namei.c:3476 [inline]
path_openat+0x273b/0x36a0 fs/namei.c:3609
do_filp_open+0x277/0x4f0 fs/namei.c:3636
do_sys_openat2+0x13b/0x500 fs/open.c:1214
do_sys_open fs/open.c:1230 [inline]
__do_sys_openat fs/open.c:1246 [inline]
__se_sys_openat fs/open.c:1241 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1241
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f3e041ffc97
RSP: 002b:00007fff87cc4780 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00000000200000c0 RCX: 00007f3e041ffc97
RDX: 0000000000000002 RSI: 00007f3e0428503b RDI: 00000000ffffff9c
RBP: 00007f3e0428503b R08: 00007fff87cc4868 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007fff87cc68dc R14: 0000000000000036 R15: 00007fff87cc68e0
INFO: task syz-executor275:3666 blocked for more than 146 seconds.
Not tainted 5.17.0-rc5-syzkaller-00306-g2293be58d6a1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor275 state:D stack:26224 pid: 3666 ppid: 3632 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0x926/0x1080 kernel/sched/core.c:6304
schedule+0x12b/0x1f0 kernel/sched/core.c:6377
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6436
__mutex_lock_common+0xd1f/0x2590 kernel/locking/mutex.c:673
__mutex_lock kernel/locking/mutex.c:733 [inline]
mutex_lock_nested+0x1a/0x20 kernel/locking/mutex.c:785
misc_open+0x57/0x3c0 drivers/char/misc.c:107
chrdev_open+0x5fb/0x680 fs/char_dev.c:414
do_dentry_open+0x78b/0x1020 fs/open.c:824
do_open fs/namei.c:3476 [inline]
path_openat+0x273b/0x36a0 fs/namei.c:3609
do_filp_open+0x277/0x4f0 fs/namei.c:3636
do_sys_openat2+0x13b/0x500 fs/open.c:1214
do_sys_open fs/open.c:1230 [inline]
__do_sys_openat fs/open.c:1246 [inline]
__se_sys_openat fs/open.c:1241 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1241
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f3e041ffc97
RSP: 002b:00007fff87cc4780 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00000000200000c0 RCX: 00007f3e041ffc97
RDX: 0000000000000002 RSI: 00007f3e0428503b RDI: 00000000ffffff9c
RBP: 00007f3e0428503b R08: 00007fff87cc4868 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007fff87cc68dc R14: 0000000000000036 R15: 00007fff87cc68e0
INFO: task syz-executor275:3667 blocked for more than 147 seconds.
Not tainted 5.17.0-rc5-syzkaller-00306-g2293be58d6a1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor275 state:D stack:25168 pid: 3667 ppid: 3626 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0x926/0x1080 kernel/sched/core.c:6304
schedule+0x12b/0x1f0 kernel/sched/core.c:6377
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6436
__mutex_lock_common+0xd1f/0x2590 kernel/locking/mutex.c:673
__mutex_lock kernel/locking/mutex.c:733 [inline]
mutex_lock_nested+0x1a/0x20 kernel/locking/mutex.c:785
misc_open+0x57/0x3c0 drivers/char/misc.c:107
chrdev_open+0x5fb/0x680 fs/char_dev.c:414
do_dentry_open+0x78b/0x1020 fs/open.c:824
do_open fs/namei.c:3476 [inline]
path_openat+0x273b/0x36a0 fs/namei.c:3609
do_filp_open+0x277/0x4f0 fs/namei.c:3636
do_sys_openat2+0x13b/0x500 fs/open.c:1214
do_sys_open fs/open.c:1230 [inline]
__do_sys_openat fs/open.c:1246 [inline]
__se_sys_openat fs/open.c:1241 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1241
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f3e041ffc97
RSP: 002b:00007fff87cc4780 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00000000200000c0 RCX: 00007f3e041ffc97
RDX: 0000000000000002 RSI: 00007f3e0428503b RDI: 00000000ffffff9c
RBP: 00007f3e0428503b R08: 00007fff87cc4868 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007fff87cc68dc R14: 0000000000000036 R15: 00007fff87cc68e0
Showing all locks held in the system:
2 locks held by kworker/u4:0/8:
5 locks held by kworker/1:0/20:
#0: ffff888141db5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x7db/0x1190 kernel/workqueue.c:2280
#1: ffffc90000da7d20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x81b/0x1190 kernel/workqueue.c:2282
#2: ffff888147bf8220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#2: ffff888147bf8220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1b2/0xe40 drivers/usb/core/hub.c:5688
#3: ffff8880236e5220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#3: ffff8880236e5220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x560 drivers/base/dd.c:948
#4: ffff8880238521a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#4: ffff8880238521a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x560 drivers/base/dd.c:948
1 lock held by khungtaskd/26:
#0: ffffffff8cb1d460 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
5 locks held by kworker/0:2/142:
#0: ffff888141db5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x7db/0x1190 kernel/workqueue.c:2280
#1: ffffc900027cfd20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x81b/0x1190 kernel/workqueue.c:2282
#2: ffff88801df95220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#2: ffff88801df95220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1b2/0xe40 drivers/usb/core/hub.c:5688
#3: ffff88807ede3220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#3: ffff88807ede3220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x560 drivers/base/dd.c:948
#4: ffff88807ede41a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#4: ffff88807ede41a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x560 drivers/base/dd.c:948
2 locks held by getty/3283:
#0: ffff88814b221098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc90002b662e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6c5/0x1c60 drivers/tty/n_tty.c:2075
5 locks held by kworker/1:1/3638:
#0: ffff888141db5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x7db/0x1190 kernel/workqueue.c:2280
#1: ffffc9000281fd20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x81b/0x1190 kernel/workqueue.c:2282
#2: ffff888147c98220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#2: ffff888147c98220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1b2/0xe40 drivers/usb/core/hub.c:5688
#3: ffff88802313a220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#3: ffff88802313a220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x560 drivers/base/dd.c:948
#4: ffff88802396a1a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#4: ffff88802396a1a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x560 drivers/base/dd.c:948
5 locks held by kworker/1:3/3641:
#0: ffff888141db5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x7db/0x1190 kernel/workqueue.c:2280
#1: ffffc9000284fd20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x81b/0x1190 kernel/workqueue.c:2282
#2: ffff88801e6a8220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#2: ffff88801e6a8220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1b2/0xe40 drivers/usb/core/hub.c:5688
#3: ffff88801c52a220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#3: ffff88801c52a220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x560 drivers/base/dd.c:948
#4: ffff8880236e21a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#4: ffff8880236e21a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x560 drivers/base/dd.c:948
5 locks held by kworker/1:4/3643:
#0: ffff888141db5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x7db/0x1190 kernel/workqueue.c:2280
#1: ffffc9000286fd20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x81b/0x1190 kernel/workqueue.c:2282
#2: ffff88801e858220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#2: ffff88801e858220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1b2/0xe40 drivers/usb/core/hub.c:5688
#3: ffff88801805f220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#3: ffff88801805f220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x560 drivers/base/dd.c:948
#4: ffff88802396d1a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#4: ffff88802396d1a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x560 drivers/base/dd.c:948
1 lock held by syz-executor275/3663:
#0: ffffffff8d225d28 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x57/0x3c0 drivers/char/misc.c:107
1 lock held by syz-executor275/3664:
#0: ffffffff8d225d28 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x57/0x3c0 drivers/char/misc.c:107
1 lock held by syz-executor275/3665:
#0: ffffffff8d225d28 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x57/0x3c0 drivers/char/misc.c:107
1 lock held by syz-executor275/3666:
#0: ffffffff8d225d28 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x57/0x3c0 drivers/char/misc.c:107
1 lock held by syz-executor275/3667:
#0: ffffffff8d225d28 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x57/0x3c0 drivers/char/misc.c:107
2 locks held by syz-executor275/3668:
#0: ffffffff8d225d28 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x57/0x3c0 drivers/char/misc.c:107
#1: ffffffff8c9d5148 (system_transition_mutex){+.+.}-{3:3}, at: snapshot_open+0x23/0x260 kernel/power/user.c:54
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 26 Comm: khungtaskd Not tainted 5.17.0-rc5-syzkaller-00306-g2293be58d6a1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1dc/0x2d8 lib/dump_stack.c:106
nmi_cpu_backtrace+0x45f/0x490 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x16a/0x280 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
watchdog+0xc82/0xcd0 kernel/hung_task.c:369
kthread+0x2a3/0x2d0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.17.0-rc5-syzkaller-00306-g2293be58d6a1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:22 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:130 [inline]
RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:116 [inline]
RIP: 0010:acpi_idle_do_entry drivers/acpi/processor_idle.c:556 [inline]
RIP: 0010:acpi_idle_enter+0x42d/0x790 drivers/acpi/processor_idle.c:692
Code: fd 48 83 e3 08 44 8b 7c 24 04 0f 85 22 01 00 00 4c 8d 74 24 40 e8 03 a2 0d fd eb 0c e8 ec fb 06 fd 0f 00 2d 75 74 64 06 fb f4 <4c> 89 f3 48 c1 eb 03 42 80 3c 23 00 74 08 4c 89 f7 e8 ad b6 53 fd
RSP: 0018:ffffffff8c807ba0 EFLAGS: 00000286
RAX: 1ecaf199d5787700 RBX: 0000000000000000 RCX: ffffffff90bf5803
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffffff8c807c50 R08: ffffffff818c3c10 R09: fffffbfff19176d9
R10: fffffbfff19176d9 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff888015bd5064 R14: ffffffff8c807be0 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056215df5eba8 CR3: 000000007f360000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
cpuidle_enter_state+0x507/0xea0 drivers/cpuidle/cpuidle.c:237
cpuidle_enter+0x59/0x90 drivers/cpuidle/cpuidle.c:351
call_cpuidle kernel/sched/idle.c:158 [inline]
cpuidle_idle_call kernel/sched/idle.c:239 [inline]
do_idle+0x3e8/0x670 kernel/sched/idle.c:306
cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:403
start_kernel+0x4bf/0x56e init/main.c:1138
secondary_startup_64_no_verify+0xc4/0xcb
----------------
Code disassembly (best guess):
0: fd std
1: 48 83 e3 08 and $0x8,%rbx
5: 44 8b 7c 24 04 mov 0x4(%rsp),%r15d
a: 0f 85 22 01 00 00 jne 0x132
10: 4c 8d 74 24 40 lea 0x40(%rsp),%r14
15: e8 03 a2 0d fd callq 0xfd0da21d
1a: eb 0c jmp 0x28
1c: e8 ec fb 06 fd callq 0xfd06fc0d
21: 0f 00 2d 75 74 64 06 verw 0x6647475(%rip) # 0x664749d
28: fb sti
29: f4 hlt
* 2a: 4c 89 f3 mov %r14,%rbx <-- trapping instruction
2d: 48 c1 eb 03 shr $0x3,%rbx
31: 42 80 3c 23 00 cmpb $0x0,(%rbx,%r12,1)
36: 74 08 je 0x40
38: 4c 89 f7 mov %r14,%rdi
3b: e8 ad b6 53 fd callq 0xfd53b6ed