INFO: task kworker/1:2:935 blocked for more than 143 seconds. Not tainted 6.12.0-rc2-syzkaller-00058-g75b607fab38d #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:2 state:D stack:20720 pid:935 tgid:935 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5322 [inline] __schedule+0x1895/0x4b30 kernel/sched/core.c:6682 __schedule_loop kernel/sched/core.c:6759 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6774 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6831 rwsem_down_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176 __down_write_common kernel/locking/rwsem.c:1304 [inline] __down_write kernel/locking/rwsem.c:1313 [inline] down_write+0x1d7/0x220 kernel/locking/rwsem.c:1578 kernfs_add_one+0x9a/0x8b0 fs/kernfs/dir.c:778 kernfs_create_dir_ns+0xd9/0x120 fs/kernfs/dir.c:1071 sysfs_create_dir_ns+0x189/0x3a0 fs/sysfs/dir.c:59 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x435/0x8d0 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x152/0x220 lib/kobject.c:426 device_add+0x4e5/0xbf0 drivers/base/core.c:3613 usb_set_configuration+0x1976/0x1fb0 drivers/usb/core/message.c:2210 usb_generic_driver_probe+0x88/0x140 drivers/usb/core/generic.c:254 usb_probe_device+0x1ba/0x380 drivers/usb/core/driver.c:294 really_probe+0x2ba/0xad0 drivers/base/dd.c:658 __driver_probe_device+0x1a2/0x390 drivers/base/dd.c:800 driver_probe_device+0x50/0x430 drivers/base/dd.c:830 __device_attach_driver+0x2d6/0x530 drivers/base/dd.c:958 bus_for_each_drv+0x250/0x2e0 drivers/base/bus.c:459 __device_attach+0x333/0x520 drivers/base/dd.c:1030 bus_probe_device+0x189/0x260 drivers/base/bus.c:534 device_add+0x856/0xbf0 drivers/base/core.c:3675 usb_new_device+0x104a/0x19a0 drivers/usb/core/hub.c:2651 hub_port_connect drivers/usb/core/hub.c:5521 [inline] hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] port_event drivers/usb/core/hub.c:5821 [inline] hub_event+0x2d6d/0x5150 drivers/usb/core/hub.c:5903 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa65/0x1850 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f2/0x390 kernel/kthread.c:389 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task udevd:4680 blocked for more than 144 seconds. Not tainted 6.12.0-rc2-syzkaller-00058-g75b607fab38d #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:udevd state:D stack:21664 pid:4680 tgid:4680 ppid:1 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5322 [inline] __schedule+0x1895/0x4b30 kernel/sched/core.c:6682 __schedule_loop kernel/sched/core.c:6759 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6774 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6831 rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline] __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0x705/0xa40 kernel/locking/rwsem.c:1526 kernfs_dop_revalidate+0xd4/0x560 fs/kernfs/dir.c:1159 lookup_fast+0x1f6/0x4a0 walk_component fs/namei.c:2049 [inline] link_path_walk+0x672/0xea0 fs/namei.c:2418 path_lookupat+0xa9/0x450 fs/namei.c:2579 filename_lookup+0x256/0x610 fs/namei.c:2609 do_readlinkat+0xf0/0x3a0 fs/stat.c:537 __do_sys_readlink fs/stat.c:574 [inline] __se_sys_readlink fs/stat.c:571 [inline] __x64_sys_readlink+0x7f/0x90 fs/stat.c:571 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9622317d47 RSP: 002b:00007ffeb46dacd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000059 RAX: ffffffffffffffda RBX: 00007ffeb46dace8 RCX: 00007f9622317d47 RDX: 0000000000000400 RSI: 00007ffeb46dace8 RDI: 00007ffeb46db1c8 RBP: 0000000000000400 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffeb46db1c8 R13: 00007ffeb46db138 R14: 0000557e899e5910 R15: 0000000000000000 INFO: task kworker/1:3:5440 blocked for more than 145 seconds. Not tainted 6.12.0-rc2-syzkaller-00058-g75b607fab38d #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:3 state:D stack:20624 pid:5440 tgid:5440 ppid:2 flags:0x00004000 Workqueue: events usb_gadget_state_work Call Trace: context_switch kernel/sched/core.c:5322 [inline] __schedule+0x1895/0x4b30 kernel/sched/core.c:6682 __schedule_loop kernel/sched/core.c:6759 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6774 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6831 rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline] __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0x705/0xa40 kernel/locking/rwsem.c:1526 kernfs_find_and_get_ns+0x71/0x110 fs/kernfs/dir.c:918 kernfs_find_and_get include/linux/kernfs.h:604 [inline] sysfs_notify+0x73/0xd0 fs/sysfs/file.c:202 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa65/0x1850 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f2/0x390 kernel/kthread.c:389 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task udevd:5462 blocked for more than 146 seconds. Not tainted 6.12.0-rc2-syzkaller-00058-g75b607fab38d #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:udevd state:D stack:21664 pid:5462 tgid:5462 ppid:4680 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5322 [inline] __schedule+0x1895/0x4b30 kernel/sched/core.c:6682 __schedule_loop kernel/sched/core.c:6759 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6774 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6831 rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline] __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0x705/0xa40 kernel/locking/rwsem.c:1526 kernfs_dop_revalidate+0xd4/0x560 fs/kernfs/dir.c:1159 lookup_fast+0x1f6/0x4a0 walk_component fs/namei.c:2049 [inline] link_path_walk+0x672/0xea0 fs/namei.c:2418 path_openat+0x266/0x3590 fs/namei.c:3929 do_filp_open+0x235/0x490 fs/namei.c:3960 do_sys_openat2+0x13e/0x1d0 fs/open.c:1415 do_sys_open fs/open.c:1430 [inline] __do_sys_openat fs/open.c:1446 [inline] __se_sys_openat fs/open.c:1441 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1441 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f96223169a4 RSP: 002b:00007ffeb46d3ca0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f96223169a4 RDX: 0000000000080000 RSI: 00007ffeb46d3dd8 RDI: 00000000ffffff9c RBP: 00007ffeb46d3dd8 R08: 0000000000000008 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000 R13: 0000557e6d14cb42 R14: 0000000000000001 R15: 0000557e6d168160 INFO: task kworker/1:4:5504 blocked for more than 147 seconds. Not tainted 6.12.0-rc2-syzkaller-00058-g75b607fab38d #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:4 state:D stack:20304 pid:5504 tgid:5504 ppid:2 flags:0x00004000 Workqueue: events usb_gadget_state_work Call Trace: context_switch kernel/sched/core.c:5322 [inline] __schedule+0x1895/0x4b30 kernel/sched/core.c:6682 __schedule_loop kernel/sched/core.c:6759 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6774 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6831 rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline] __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0x705/0xa40 kernel/locking/rwsem.c:1526 kernfs_find_and_get_ns+0x71/0x110 fs/kernfs/dir.c:918 kernfs_find_and_get include/linux/kernfs.h:604 [inline] sysfs_notify+0x73/0xd0 fs/sysfs/file.c:202 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa65/0x1850 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f2/0x390 kernel/kthread.c:389 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task udevd:5842 blocked for more than 148 seconds. Not tainted 6.12.0-rc2-syzkaller-00058-g75b607fab38d #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:udevd state:D stack:25024 pid:5842 tgid:5842 ppid:4680 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5322 [inline] __schedule+0x1895/0x4b30 kernel/sched/core.c:6682 __schedule_loop kernel/sched/core.c:6759 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6774 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6831 rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline] __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0x705/0xa40 kernel/locking/rwsem.c:1526 kernfs_dop_revalidate+0xd4/0x560 fs/kernfs/dir.c:1159 lookup_fast+0x1f6/0x4a0 walk_component fs/namei.c:2049 [inline] link_path_walk+0x672/0xea0 fs/namei.c:2418 path_openat+0x266/0x3590 fs/namei.c:3929 do_filp_open+0x235/0x490 fs/namei.c:3960 do_sys_openat2+0x13e/0x1d0 fs/open.c:1415 do_sys_open fs/open.c:1430 [inline] __do_sys_openat fs/open.c:1446 [inline] __se_sys_openat fs/open.c:1441 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1441 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f96223169a4 RSP: 002b:00007ffeb46d3ca0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f96223169a4 RDX: 0000000000080000 RSI: 00007ffeb46d3dd8 RDI: 00000000ffffff9c RBP: 00007ffeb46d3dd8 R08: 0000000000000008 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000 R13: 0000557e6d14cb42 R14: 0000000000000001 R15: 0000557e6d168160 INFO: task udevd:5843 blocked for more than 149 seconds. Not tainted 6.12.0-rc2-syzkaller-00058-g75b607fab38d #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:udevd state:D stack:21664 pid:5843 tgid:5843 ppid:4680 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5322 [inline] __schedule+0x1895/0x4b30 kernel/sched/core.c:6682 __schedule_loop kernel/sched/core.c:6759 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6774 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6831 rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline] __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0x705/0xa40 kernel/locking/rwsem.c:1526 kernfs_dop_revalidate+0xd4/0x560 fs/kernfs/dir.c:1159 lookup_fast+0x1f6/0x4a0 walk_component fs/namei.c:2049 [inline] link_path_walk+0x672/0xea0 fs/namei.c:2418 path_openat+0x266/0x3590 fs/namei.c:3929 do_filp_open+0x235/0x490 fs/namei.c:3960 do_sys_openat2+0x13e/0x1d0 fs/open.c:1415 do_sys_open fs/open.c:1430 [inline] __do_sys_openat fs/open.c:1446 [inline] __se_sys_openat fs/open.c:1441 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1441 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f96223169a4 RSP: 002b:00007ffeb46d7170 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000557e89a0c6a0 RCX: 00007f96223169a4 RDX: 0000000000080000 RSI: 0000557e899f8890 RDI: 00000000ffffff9c RBP: 0000557e899f8890 R08: 0000557e899f8890 R09: 0000000040000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000 R13: 0000000000000705 R14: 0000000000000000 R15: 0000000000000001 INFO: task udevd:5979 blocked for more than 151 seconds. Not tainted 6.12.0-rc2-syzkaller-00058-g75b607fab38d #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:udevd state:D stack:24768 pid:5979 tgid:5979 ppid:4680 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5322 [inline] __schedule+0x1895/0x4b30 kernel/sched/core.c:6682 __schedule_loop kernel/sched/core.c:6759 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6774 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6831 rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline] __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0x705/0xa40 kernel/locking/rwsem.c:1526 kernfs_dop_revalidate+0xd4/0x560 fs/kernfs/dir.c:1159 lookup_fast+0x1f6/0x4a0 walk_component fs/namei.c:2049 [inline] link_path_walk+0x672/0xea0 fs/namei.c:2418 path_openat+0x266/0x3590 fs/namei.c:3929 do_filp_open+0x235/0x490 fs/namei.c:3960 do_sys_openat2+0x13e/0x1d0 fs/open.c:1415 do_sys_open fs/open.c:1430 [inline] __do_sys_openat fs/open.c:1446 [inline] __se_sys_openat fs/open.c:1441 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1441 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f96223169a4 RSP: 002b:00007ffeb46d3ca0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f96223169a4 RDX: 0000000000080000 RSI: 00007ffeb46d3dd8 RDI: 00000000ffffff9c RBP: 00007ffeb46d3dd8 R08: 0000000000000008 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000 R13: 0000557e6d14cb42 R14: 0000000000000001 R15: 0000557e6d168160 INFO: task syz.4.1343:8197 blocked for more than 152 seconds. Not tainted 6.12.0-rc2-syzkaller-00058-g75b607fab38d #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.1343 state:D stack:26256 pid:8197 tgid:8196 ppid:5465 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5322 [inline] __schedule+0x1895/0x4b30 kernel/sched/core.c:6682 __schedule_loop kernel/sched/core.c:6759 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6774 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6831 rwsem_down_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176 __down_write_common kernel/locking/rwsem.c:1304 [inline] __down_write kernel/locking/rwsem.c:1313 [inline] down_write+0x1d7/0x220 kernel/locking/rwsem.c:1578 kernfs_remove_by_name_ns+0x7a/0x160 fs/kernfs/dir.c:1689 remove_bind_files drivers/base/bus.c:602 [inline] bus_remove_driver+0x26c/0x320 drivers/base/bus.c:740 usb_gadget_unregister_driver+0x4e/0x70 drivers/usb/gadget/udc/core.c:1731 raw_release+0xf6/0x1e0 drivers/usb/gadget/legacy/raw_gadget.c:462 __fput+0x241/0x880 fs/file_table.c:431 task_work_run+0x251/0x310 kernel/task_work.c:228 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0xa2f/0x28e0 kernel/exit.c:939 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 get_signal+0x16a3/0x1740 kernel/signal.c:2917 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337