INFO: task syz.3.20:5181 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.20 state:D stack:0 pid:5181 tgid:5181 ppid:4869 task_flags:0x400040 flags:0x00800001
Call trace:
__switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
context_switch kernel/sched/core.c:5388 [inline]
__schedule+0x1c04/0x2db8 kernel/sched/core.c:7189
__schedule_loop kernel/sched/core.c:7268 [inline]
schedule+0x13c/0x20c kernel/sched/core.c:7283
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7340
__mutex_lock+0x4
__mutex_lock_common kernel/locking/mutex.c:726 [inline]
__mutex_lock+0x4fc/0xed0 kernel/locking/mutex.c:820
mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:873
device_lock include/linux/device.h:1040 [inline]
usbdev_release+0x74/0x38c drivers/usb/core/devio.c:1099
__fput+0x338/0x74c fs/file_table.c:510
____fput+0x20/0x30 fs/file_table.c:538
task_work_run+0x1cc/0x25c kernel/task_work.c:233
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
__exit_to_user_mode_loop kernel/entry/common.c:67 [inline]
exit_to_user_mode_loop+0x10c/0x17c kernel/entry/common.c:98
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
arm64_syscall_exit_to_user_mode arch/arm64/kernel/entry-common.c:88 [inline]
el0_svc+0x18c/0x260 arch/arm64/kernel/entry-common.c:737
el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594
INFO: task syz.2.19:5185 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.19 state:D stack:0 pid:5185 tgid:5185 ppid:4861 task_flags:0x400040 flags:0x00800001
Call trace:
__switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
context_switch kernel/sched/core.c:5388 [inline]
__schedule+0x1c04/0x2db8 kernel/sched/core.c:7189
__schedule_loop kernel/sched/core.c:7268 [inline]
schedule+0x13c/0x20c kernel/sched/core.c:7283
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7340
__mutex_lock_common kernel/locking/mutex.c:726 [inline]
__mutex_lock+0x4fc/0xed0 kernel/locking/mutex.c:820
mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:873
device_lock include/linux/device.h:1040 [inline]
usbdev_release+0x74/0x38c drivers/usb/core/devio.c:1099
__fput+0x338/0x74c fs/file_table.c:510
____fput+0x20/0x30 fs/file_table.c:538
task_work_run+0x1cc/0x25c kernel/task_work.c:233
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
__exit_to_user_mode_loop kernel/entry/common.c:67 [inline]
exit_to_user_mode_loop+0x10c/0x17c kernel/entry/common.c:98
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
arm64_syscall_exit_to_user_mode arch/arm64/kernel/entry-common.c:88 [inline]
el0_svc+0x18c/0x260 arch/arm64/kernel/entry-common.c:737
el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594
INFO: task syz.0.43:5190 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.43 state:D stack:0 pid:5190 tgid:5189 ppid:4851 task_flags:0x400040 flags:0x00800001
Call trace:
__switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
context_switch kernel/sched/core.c:5388 [inline]
__schedule+0x1c04/0x2db8 kernel/sched/core.c:7189
__schedule_loop kernel/sched/core.c:7268 [inline]
schedule+0x13c/0x20c kernel/sched/core.c:7283
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7340
__mutex_lock_common kernel/locking/mutex.c:726 [inline]
__mutex_lock+0x4fc/0xed0 kernel/locking/mutex.c:820
mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:873
device_lock include/linux/device.h:1040 [inline]
usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
chrdev_open+0x398/0x3e8 fs/char_dev.c:411
do_dentry_open+0x5c4/0xfb8 fs/open.c:947
vfs_open+0x44/0x2dc fs/open.c:1079
do_open fs/namei.c:4699 [inline]
path_openat+0x22d4/0x2b88 fs/namei.c:4858
do_file_open+0x1c8/0x2e8 fs/namei.c:4887
do_sys_openat2+0x114/0x1e8 fs/open.c:1364
do_sys_open+0xac/0xdc fs/open.c:1370
__do_sys_openat fs/open.c:1386 [inline]
__se_sys_openat fs/open.c:1381 [inline]
__arm64_sys_openat+0xa0/0xbc fs/open.c:1381
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736
el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594
INFO: task syz.1.44:5194 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.44 state:D stack:0 pid:5194 tgid:5193 ppid:4856 task_flags:0x400040 flags:0x00800001
Call trace:
__switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
context_switch kernel/sched/core.c:5388 [inline]
__schedule+0x1c04/0x2db8 kernel/sched/core.c:7189
__schedule_loop kernel/sched/core.c:7268 [inline]
schedule+0x13c/0x20c kernel/sched/core.c:7283
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7340
__mutex_lock_common kernel/locking/mutex.c:726 [inline]
__mutex_lock+0x4fc/0xed0 kernel/locking/mutex.c:820
mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:873
device_lock include/linux/device.h:1040 [inline]
usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
chrdev_open+0x398/0x3e8 fs/char_dev.c:411
do_dentry_open+0x5c4/0xfb8 fs/open.c:947
vfs_open+0x44/0x2dc fs/open.c:1079
do_open fs/namei.c:4699 [inline]
path_openat+0x22d4/0x2b88 fs/namei.c:4858
do_file_open+0x1c8/0x2e8 fs/namei.c:4887
do_sys_openat2+0x114/0x1e8 fs/open.c:1364
do_sys_open+0xac/0xdc fs/open.c:1370
__do_sys_openat fs/open.c:1386 [inline]
__se_sys_openat fs/open.c:1381 [inline]
__arm64_sys_openat+0xa0/0xbc fs/open.c:1381
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736
el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594
INFO: task syz.4.45:5198 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.45 state:D stack:0 pid:5198 tgid:5197 ppid:4877 task_flags:0x400040 flags:0x00800001
Call trace:
__switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
context_switch kernel/sched/core.c:5388 [inline]
__schedule+0x1c04/0x2db8 kernel/sched/core.c:7189
__schedule_loop kernel/sched/core.c:7268 [inline]
schedule+0x13c/0x20c kernel/sched/core.c:7283
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7340
__mutex_lock_common kernel/locking/mutex.c:726 [inline]
__mutex_lock+0x4fc/0xed0 kernel/locking/mutex.c:820
mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:873
device_lock include/linux/device.h:1040 [inline]
usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
chrdev_open+0x398/0x3e8 fs/char_dev.c:411
do_dentry_open+0x5c4/0xfb8 fs/open.c:947
vfs_open+0x44/0x2dc fs/open.c:1079
do_open fs/namei.c:4699 [inline]
path_openat+0x22d4/0x2b88 fs/namei.c:4858
do_file_open+0x1c8/0x2e8 fs/namei.c:4887
do_sys_openat2+0x114/0x1e8 fs/open.c:1364
do_sys_open+0xac/0xdc fs/open.c:1370
__do_sys_openat fs/open.c:1386 [inline]
__se_sys_openat fs/open.c:1381 [inline]
__arm64_sys_openat+0xa0/0xbc fs/open.c:1381
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736
el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594
INFO: task syz.5.46:5402 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.46 state:D stack:0 pid:5402 tgid:5401 ppid:5202 task_flags:0x400040 flags:0x00800001
Call trace:
__switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
context_switch kernel/sched/core.c:5388 [inline]
__schedule+0x1c04/0x2db8 kernel/sched/core.c:7189
__schedule_loop kernel/sched/core.c:7268 [inline]
schedule+0x13c/0x20c kernel/sched/core.c:7283
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7340
__mutex_lock_common kernel/locking/mutex.c:726 [inline]
__mutex_lock+0x4fc/0xed0 kernel/locking/mutex.c:820
mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:873
device_lock include/linux/device.h:1040 [inline]
usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
chrdev_open+0x398/0x3e8 fs/char_dev.c:411
do_dentry_open+0x5c4/0xfb8 fs/open.c:947
vfs_open+0x44/0x2dc fs/open.c:1079
do_open fs/namei.c:4699 [inline]
path_openat+0x22d4/0x2b88 fs/namei.c:4858
do_file_open+0x1c8/0x2e8 fs/namei.c:4887
do_sys_openat2+0x114/0x1e8 fs/open.c:1364
do_sys_open+0xac/0xdc fs/open.c:1370
__do_sys_openat fs/open.c:1386 [inline]
__se_sys_openat fs/open.c:1381 [inline]
__arm64_sys_openat+0xa0/0xbc fs/open.c:1381
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736
el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594
INFO: task syz.8.49:5408 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.8.49 state:D stack:0 pid:5408 tgid:5407 ppid:5217 task_flags:0x400040 flags:0x00800001
Call trace:
__switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
context_switch kernel/sched/core.c:5388 [inline]
__schedule+0x1c04/0x2db8 kernel/sched/core.c:7189
__schedule_loop kernel/sched/core.c:7268 [inline]
schedule+0x13c/0x20c kernel/sched/core.c:7283
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7340
__mutex_lock_common kernel/locking/mutex.c:726 [inline]
__mutex_lock+0x4fc/0xed0 kernel/locking/mutex.c:820
mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:873
device_lock include/linux/device.h:1040 [inline]
usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
chrdev_open+0x398/0x3e8 fs/char_dev.c:411
do_dentry_open+0x5c4/0xfb8 fs/open.c:947
vfs_open+0x44/0x2dc fs/open.c:1079
do_open fs/namei.c:4699 [inline]
path_openat+0x22d4/0x2b88 fs/namei.c:4858
do_file_open+0x1c8/0x2e8 fs/namei.c:4887
do_sys_openat2+0x114/0x1e8 fs/open.c:1364
do_sys_open+0xac/0xdc fs/open.c:1370
__do_sys_openat fs/open.c:1386 [inline]
__se_sys_openat fs/open.c:1381 [inline]
__arm64_sys_openat+0xa0/0xbc fs/open.c:1381
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736
el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594
INFO: task syz.7.48:5410 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.7.48 state:D stack:0 pid:5410 tgid:5409 ppid:5209 task_flags:0x400040 flags:0x00800001
Call trace:
__switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
context_switch kernel/sched/core.c:5388 [inline]
__schedule+0x1c04/0x2db8 kernel/sched/core.c:7189
__schedule_loop kernel/sched/core.c:7268 [inline]
schedule+0x13c/0x20c kernel/sched/core.c:7283
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7340
__mutex_lock_common kernel/locking/mutex.c:726 [inline]
__mutex_lock+0x4fc/0xed0 kernel/locking/mutex.c:820
mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:873
device_lock include/linux/device.h:1040 [inline]
usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
chrdev_open+0x398/0x3e8 fs/char_dev.c:411
do_dentry_open+0x5c4/0xfb8 fs/open.c:947
vfs_open+0x44/0x2dc fs/open.c:1079
do_open fs/namei.c:4699 [inline]
path_openat+0x22d4/0x2b88 fs/namei.c:4858
do_file_open+0x1c8/0x2e8 fs/namei.c:4887
do_sys_openat2+0x114/0x1e8 fs/open.c:1364
do_sys_open+0xac/0xdc fs/open.c:1370
__do_sys_openat fs/open.c:1386 [inline]
__se_sys_openat fs/open.c:1381 [inline]
__arm64_sys_openat+0xa0/0xbc fs/open.c:1381
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736
el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594
INFO: task syz.6.47:5417 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.6.47 state:D stack:0 pid:5417 tgid:5415 ppid:5206 task_flags:0x400040 flags:0x00800001
Call trace:
__switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
context_switch kernel/sched/core.c:5388 [inline]
__schedule+0x1c04/0x2db8 kernel/sched/core.c:7189
__schedule_loop kernel/sched/core.c:7268 [inline]
schedule+0x13c/0x20c kernel/sched/core.c:7283
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7340
__mutex_lock_common kernel/locking/mutex.c:726 [inline]
__mutex_lock+0x4fc/0xed0 kernel/locking/mutex.c:820
mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:873
device_lock include/linux/device.h:1040 [inline]
usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
chrdev_open+0x398/0x3e8 fs/char_dev.c:411
do_dentry_open+0x5c4/0xfb8 fs/open.c:947
vfs_open+0x44/0x2dc fs/open.c:1079
do_open fs/namei.c:4699 [inline]
path_openat+0x22d4/0x2b88 fs/namei.c:4858
do_file_open+0x1c8/0x2e8 fs/namei.c:4887
do_sys_openat2+0x114/0x1e8 fs/open.c:1364
do_sys_open+0xac/0xdc fs/open.c:1370
__do_sys_openat fs/open.c:1386 [inline]
__se_sys_openat fs/open.c:1381 [inline]
__arm64_sys_openat+0xa0/0xbc fs/open.c:1381
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736
el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594
INFO: task syz.9.50:5418 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.9.50 state:D stack:0 pid:5418 tgid:5416 ppid:5219 task_flags:0x400040 flags:0x00800001
Call trace:
__switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
context_switch kernel/sched/core.c:5388 [inline]
__schedule+0x1c04/0x2db8 kernel/sched/core.c:7189
__schedule_loop kernel/sched/core.c:7268 [inline]
schedule+0x13c/0x20c kernel/sched/core.c:7283
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7340
__mutex_lock_common kernel/locking/mutex.c:726 [inline]
__mutex_lock+0x4fc/0xed0 kernel/locking/mutex.c:820
mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:873
device_lock include/linux/device.h:1040 [inline]
usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
chrdev_open+0x398/0x3e8 fs/char_dev.c:411
do_dentry_open+0x5c4/0xfb8 fs/open.c:947
vfs_open+0x44/0x2dc fs/open.c:1079
do_open fs/namei.c:4699 [inline]
path_openat+0x22d4/0x2b88 fs/namei.c:4858
do_file_open+0x1c8/0x2e8 fs/namei.c:4887
do_sys_openat2+0x114/0x1e8 fs/open.c:1364
do_sys_open+0xac/0xdc fs/open.c:1370
__do_sys_openat fs/open.c:1386 [inline]
__se_sys_openat fs/open.c:1381 [inline]
__arm64_sys_openat+0xa0/0xbc fs/open.c:1381
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736
el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
Showing all locks held in the system:
2 locks held by kworker/u8:0/12:
1 lock held by khungtaskd/31:
#0: ffff800088bf70c0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline]
#0: ffff800088bf70c0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline]
#0: ffff800088bf70c0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x4c/0x188 kernel/locking/lockdep.c:6775
2 locks held by pr/ttyAMA-1/41:
5 locks held by kworker/0:2/866:
#0: ffff0000c2bbd540 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline]
#0: ffff0000c2bbd540 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x734/0x10b8 kernel/workqueue.c:3397
#1: ffff800094477c40 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline]
#1: ffff800094477c40 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x73c/0x10b8 kernel/workqueue.c:3397
#2: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#2: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: hub_event+0x128/0x39fc drivers/usb/core/hub.c:5899
#3: ffff0000cc394578 (&port_dev->status_lock){+.+.}-{4:4}, at: usb_lock_port drivers/usb/core/hub.c:3252 [inline]
#3: ffff0000cc394578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_port_connect drivers/usb/core/hub.c:5464 [inline]
#3: ffff0000cc394578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
#3: ffff0000cc394578 (&port_dev->status_lock){+.+.}-{4:4}, at: port_event drivers/usb/core/hub.c:5871 [inline]
#3: ffff0000cc394578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_event+0x191c/0x39fc drivers/usb/core/hub.c:5953
#4: ffff0000cc08ef60 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_port_connect drivers/usb/core/hub.c:5465 [inline]
#4: ffff0000cc08ef60 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
#4: ffff0000cc08ef60 (hcd->address0_mutex){+.+.}-{4:4}, at: port_event drivers/usb/core/hub.c:5871 [inline]
#4: ffff0000cc08ef60 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_event+0x1948/0x39fc drivers/usb/core/hub.c:5953
3 locks held by kworker/1:2/1503:
#0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline]
#0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x734/0x10b8 kernel/workqueue.c:3397
#1: ffff800096487c40 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline]
#1: ffff800096487c40 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x73c/0x10b8 kernel/workqueue.c:3397
#2: ffff0001012fa250 (&data->fib_lock){+.+.}-{4:4}, at: nsim_fib_event_work+0x198/0x320 drivers/net/netdevsim/fib.c:1490
2 locks held by getty/4489:
#0: ffff0000d494b0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
#1: ffff8000923ab2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x348/0xf70 drivers/tty/n_tty.c:2211
5 locks held by kworker/1:3/4847:
#0: ffff0000c2bbd540 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline]
#0: ffff0000c2bbd540 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x734/0x10b8 kernel/workqueue.c:3397
#1: ffff800098be7c40 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline]
#1: ffff800098be7c40 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x73c/0x10b8 kernel/workqueue.c:3397
#2: ffff0000cc31c1d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#2: ffff0000cc31c1d8 (&dev->mutex){....}-{4:4}, at: hub_event+0x128/0x39fc drivers/usb/core/hub.c:5899
#3: ffff0000cc349578 (&port_dev->status_lock){+.+.}-{4:4}, at: usb_lock_port drivers/usb/core/hub.c:3252 [inline]
#3: ffff0000cc349578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_port_connect drivers/usb/core/hub.c:5464 [inline]
#3: ffff0000cc349578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
#3: ffff0000cc349578 (&port_dev->status_lock){+.+.}-{4:4}, at: port_event drivers/usb/core/hub.c:5871 [inline]
#3: ffff0000cc349578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_event+0x191c/0x39fc drivers/usb/core/hub.c:5953
#4: ffff0000cc06cd60 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_port_connect drivers/usb/core/hub.c:5465 [inline]
#4: ffff0000cc06cd60 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
#4: ffff0000cc06cd60 (hcd->address0_mutex){+.+.}-{4:4}, at: port_event drivers/usb/core/hub.c:5871 [inline]
#4: ffff0000cc06cd60 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_event+0x1948/0x39fc drivers/usb/core/hub.c:5953
5 locks held by kworker/0:4/4935:
#0: ffff0000c2bbd540 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline]
#0: ffff0000c2bbd540 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x734/0x10b8 kernel/workqueue.c:3397
#1: ffff800093db7c40 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline]
#1: ffff800093db7c40 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x73c/0x10b8 kernel/workqueue.c:3397
#2: ffff0000cc64e1d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#2: ffff0000cc64e1d8 (&dev->mutex){....}-{4:4}, at: hub_event+0x128/0x39fc drivers/usb/core/hub.c:5899
#3: ffff0000cc6a3578 (&port_dev->status_lock){+.+.}-{4:4}, at: usb_lock_port drivers/usb/core/hub.c:3252 [inline]
#3: ffff0000cc6a3578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_port_connect drivers/usb/core/hub.c:5464 [inline]
#3: ffff0000cc6a3578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
#3: ffff0000cc6a3578 (&port_dev->status_lock){+.+.}-{4:4}, at: port_event drivers/usb/core/hub.c:5871 [inline]
#3: ffff0000cc6a3578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_event+0x191c/0x39fc drivers/usb/core/hub.c:5953
#4: ffff0000cb971960 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_port_connect drivers/usb/core/hub.c:5465 [inline]
#4: ffff0000cb971960 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
#4: ffff0000cb971960 (hcd->address0_mutex){+.+.}-{4:4}, at: port_event drivers/usb/core/hub.c:5871 [inline]
#4: ffff0000cb971960 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_event+0x1948/0x39fc drivers/usb/core/hub.c:5953
5 locks held by kworker/0:5/4942:
#0: ffff0000c2bbd540 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline]
#0: ffff0000c2bbd540 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x734/0x10b8 kernel/workqueue.c:3397
#1: ffff800093d47c40 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline]
#1: ffff800093d47c40 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x73c/0x10b8 kernel/workqueue.c:3397
#2: ffff0000cc5001d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#2: ffff0000cc5001d8 (&dev->mutex){....}-{4:4}, at: hub_event+0x128/0x39fc drivers/usb/core/hub.c:5899
#3: ffff0000cc505578 (&port_dev->status_lock){+.+.}-{4:4}, at: usb_lock_port drivers/usb/core/hub.c:3252 [inline]
#3: ffff0000cc505578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_port_connect drivers/usb/core/hub.c:5464 [inline]
#3: ffff0000cc505578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
#3: ffff0000cc505578 (&port_dev->status_lock){+.+.}-{4:4}, at: port_event drivers/usb/core/hub.c:5871 [inline]
#3: ffff0000cc505578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_event+0x191c/0x39fc drivers/usb/core/hub.c:5953
#4: ffff0000cb740560 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_port_connect drivers/usb/core/hub.c:5465 [inline]
#4: ffff0000cb740560 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
#4: ffff0000cb740560 (hcd->address0_mutex){+.+.}-{4:4}, at: port_event drivers/usb/core/hub.c:5871 [inline]
#4: ffff0000cb740560 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_event+0x1948/0x39fc drivers/usb/core/hub.c:5953
3 locks held by kworker/0:6/4996:
3 locks held by kworker/1:6/5031:
#0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline]
#0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x734/0x10b8 kernel/workqueue.c:3397
#1: ffff800093c17c40 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline]
#1: ffff800093c17c40 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x73c/0x10b8 kernel/workqueue.c:3397
#2: ffff0000f78fa250 (&data->fib_lock){+.+.}-{4:4}, at: nsim_fib_event_work+0x198/0x320 drivers/net/netdevsim/fib.c:1490
1 lock held by syz.3.20/5181:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_release+0x74/0x38c drivers/usb/core/devio.c:1099
1 lock held by syz.2.19/5185:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_release+0x74/0x38c drivers/usb/core/devio.c:1099
1 lock held by syz.0.43/5190:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.1.44/5194:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.4.45/5198:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
5 locks held by kworker/1:7/5314:
#0: ffff0000c2bbd540 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline]
#0: ffff0000c2bbd540 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x734/0x10b8 kernel/workqueue.c:3397
#1: ffff800093837c40 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline]
#1: ffff800093837c40 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x73c/0x10b8 kernel/workqueue.c:3397
#2: ffff0000cc6031d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#2: ffff0000cc6031d8 (&dev->mutex){....}-{4:4}, at: hub_event+0x128/0x39fc drivers/usb/core/hub.c:5899
#3: ffff0000cc600578 (&port_dev->status_lock){+.+.}-{4:4}, at: usb_lock_port drivers/usb/core/hub.c:3252 [inline]
#3: ffff0000cc600578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_port_connect drivers/usb/core/hub.c:5464 [inline]
#3: ffff0000cc600578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
#3: ffff0000cc600578 (&port_dev->status_lock){+.+.}-{4:4}, at: port_event drivers/usb/core/hub.c:5871 [inline]
#3: ffff0000cc600578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_event+0x191c/0x39fc drivers/usb/core/hub.c:5953
#4: ffff0000cb944760 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_port_connect drivers/usb/core/hub.c:5465 [inline]
#4: ffff0000cb944760 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
#4: ffff0000cb944760 (hcd->address0_mutex){+.+.}-{4:4}, at: port_event drivers/usb/core/hub.c:5871 [inline]
#4: ffff0000cb944760 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_event+0x1948/0x39fc drivers/usb/core/hub.c:5953
1 lock held by syz.5.46/5402:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
5 locks held by kworker/1:9/5406:
#0: ffff0000c2bbd540 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline]
#0: ffff0000c2bbd540 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x734/0x10b8 kernel/workqueue.c:3397
#1: ffff800097847c40 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline]
#1: ffff800097847c40 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x73c/0x10b8 kernel/workqueue.c:3397
#2: ffff0000cc6d91d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#2: ffff0000cc6d91d8 (&dev->mutex){....}-{4:4}, at: hub_event+0x128/0x39fc drivers/usb/core/hub.c:5899
#3: ffff0000cc6de578 (&port_dev->status_lock){+.+.}-{4:4}, at: usb_lock_port drivers/usb/core/hub.c:3252 [inline]
#3: ffff0000cc6de578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_port_connect drivers/usb/core/hub.c:5464 [inline]
#3: ffff0000cc6de578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
#3: ffff0000cc6de578 (&port_dev->status_lock){+.+.}-{4:4}, at: port_event drivers/usb/core/hub.c:5871 [inline]
#3: ffff0000cc6de578 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_event+0x191c/0x39fc drivers/usb/core/hub.c:5953
#4: ffff0000cb9db360 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_port_connect drivers/usb/core/hub.c:5465 [inline]
#4: ffff0000cb9db360 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
#4: ffff0000cb9db360 (hcd->address0_mutex){+.+.}-{4:4}, at: port_event drivers/usb/core/hub.c:5871 [inline]
#4: ffff0000cb9db360 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_event+0x1948/0x39fc drivers/usb/core/hub.c:5953
1 lock held by syz.8.49/5408:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.7.48/5410:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.6.47/5417:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.9.50/5418:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.2.53/5535:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.4.55/5561:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.3.54/5613:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.1.52/5619:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.0.51/5618:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.5.56/5667:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.8.59/5826:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.7.58/5828:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.9.60/5835:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.6.57/5838:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
3 locks held by kworker/0:9/5841:
#0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline]
#0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x734/0x10b8 kernel/workqueue.c:3397
#1: ffff800092917c40 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline]
#1: ffff800092917c40 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x73c/0x10b8 kernel/workqueue.c:3397
#2: ffff0000cbacd250 (&data->fib_lock){+.+.}-{4:4}, at: nsim_fib_event_work+0x198/0x320 drivers/net/netdevsim/fib.c:1490
1 lock held by syz.2.61/5879:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.3.62/6021:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.0.64/6025:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.1.65/6029:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.4.63/6033:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.5.66/6079:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.8.67/6197:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.9.68/6201:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.7.70/6233:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.6.69/6253:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.2.71/6299:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.3.72/6389:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.0.73/6447:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.1.75/6451:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.4.74/6456:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.5.76/6505:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.8.77/6668:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.9.78/6672:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.7.79/6674:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.6.80/6680:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.2.81/6718:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.1.83/6809:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.0.84/6830:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.3.82/6871:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.4.85/6875:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.5.86/6921:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.8.87/6970:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.6.90/7046:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.9.88/7096:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
1 lock held by syz.7.89/7095:
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1040 [inline]
#0: ffff0000cc3971d8 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x138/0x674 drivers/usb/core/devio.c:1054
=============================================