INFO: task udevd:4541 blocked for more than 143 seconds.
      Not tainted 6.10.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd           state:D stack:21952 pid:4541  tgid:4541  ppid:1      flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5407 [inline]
 __schedule+0x1800/0x4a60 kernel/sched/core.c:6748
 __schedule_loop kernel/sched/core.c:6825 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6840
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6897
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
 kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410
 kobject_uevent_env+0x57d/0x8e0 lib/kobject_uevent.c:593
 kobject_synth_uevent+0x4ef/0xae0 lib/kobject_uevent.c:207
 uevent_store+0x24/0x60 drivers/base/core.c:2763
 kernfs_fop_write_iter+0x3a3/0x500 fs/kernfs/file.c:334
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0xa74/0xc90 fs/read_write.c:590
 ksys_write+0x1a0/0x2c0 fs/read_write.c:643
 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: 0033:0x7f5e53116bf2
RSP: 002b:00007ffff3eb1548 EFLAGS: 00000246
 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000055cb35b37870 RCX: 00007f5e53116bf2
RDX: 0000000000000007 RSI: 000055cb35b3dd20 RDI: 000000000000000c
RBP: 0000000000000007 R08: 000055cb35b3dd20 R09: 0000000000000020
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000007
R13: 000055cb35b3dd20 R14: 00007ffff3eb1928 R15: 0000000000000000
 </TASK>
INFO: task syz-executor:12273 blocked for more than 144 seconds.
      Not tainted 6.10.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:20288 pid:12273 tgid:12273 ppid:1      flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5407 [inline]
 __schedule+0x1800/0x4a60 kernel/sched/core.c:6748
 __schedule_loop kernel/sched/core.c:6825 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6840
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6897
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
 kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410
 kobject_uevent_env+0x57d/0x8e0 lib/kobject_uevent.c:593
 device_del+0x7db/0x9b0 drivers/base/core.c:3886
 device_unregister+0x20/0xc0 drivers/base/core.c:3909
 hci_conn_cleanup net/bluetooth/hci_conn.c:176 [inline]
 hci_conn_del+0x8c4/0xc40 net/bluetooth/hci_conn.c:1163
 hci_conn_hash_flush+0x18e/0x240 net/bluetooth/hci_conn.c:2594
 hci_dev_close_sync+0x911/0xf60 net/bluetooth/hci_sync.c:5075
 hci_dev_do_close net/bluetooth/hci_core.c:512 [inline]
 hci_unregister_dev+0x20b/0x510 net/bluetooth/hci_core.c:2728
 vhci_release+0x83/0xd0 drivers/bluetooth/hci_vhci.c:666
 __fput+0x24c/0x8a0 fs/file_table.c:422
 task_work_run+0x251/0x310 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa27/0x27e0 kernel/exit.c:876
 do_group_exit+0x207/0x2c0 kernel/exit.c:1025
 __do_sys_exit_group kernel/exit.c:1036 [inline]
 __se_sys_exit_group kernel/exit.c:1034 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1034
 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: 0033:0x7f34db175bd9
RSP: 002b:00007ffcea67cd78 EFLAGS: 00000246
 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f34db1e3587 RCX: 00007f34db175bd9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000016 R08: 00007ffcea67ab16 R09: 00007ffcea67e030
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcea67e030
R13: 00007f34db1e3515 R14: 000055556eaf64a8 R15: 000000000009ea56
 </TASK>
INFO: task syz.1.2428:13028 blocked for more than 146 seconds.
      Not tainted 6.10.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.2428      state:D stack:24080 pid:13028 tgid:13027 ppid:7631   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5407 [inline]
 __schedule+0x1800/0x4a60 kernel/sched/core.c:6748
 __schedule_loop kernel/sched/core.c:6825 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6840
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6897
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
 kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410
 kobject_uevent_env+0x57d/0x8e0 lib/kobject_uevent.c:593
 device_del+0x7db/0x9b0 drivers/base/core.c:3886
 rfkill_unregister+0xc2/0x230 net/rfkill/core.c:1147
 hci_unregister_dev+0x366/0x510 net/bluetooth/hci_core.c:2745
 vhci_release+0x83/0xd0 drivers/bluetooth/hci_vhci.c:666
 __fput+0x24c/0x8a0 fs/file_table.c:422
 task_work_run+0x251/0x310 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa27/0x27e0 kernel/exit.c:876
 do_group_exit+0x207/0x2c0 kernel/exit.c:1025
 get_signal+0x16a1/0x1740 kernel/signal.c:2909
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xc9/0x360 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f615db75bd9
RSP: 002b:00007f615e971048 EFLAGS: 00000246
 ORIG_RAX: 0000000000000117
RAX: fffffffffffffff2 RBX: 00007f615dd03f60 RCX: 00007f615db75bd9
RDX: 0000000020000000 RSI: 20000000000001ab RDI: 0000000000000000
RBP: 00007f615dbe4e60 R08: 0000000020000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f615dd03f60 R15: 00007ffd859ad288
 </TASK>
INFO: task syz.3.2509:13329 blocked for more than 147 seconds.
      Not tainted 6.10.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.2509      state:D stack:25136 pid:13329 tgid:13327 ppid:10991  flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5407 [inline]
 __schedule+0x1800/0x4a60 kernel/sched/core.c:6748
 __schedule_loop kernel/sched/core.c:6825 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6840
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6897
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
 kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410
 kobject_uevent_env+0x57d/0x8e0 lib/kobject_uevent.c:593
 device_del+0x7db/0x9b0 drivers/base/core.c:3886
 device_unregister+0x20/0xc0 drivers/base/core.c:3909
 bdi_unregister+0x4d2/0x5d0 mm/backing-dev.c:1170
 generic_shutdown_super+0x238/0x2d0 fs/super.c:682
 kill_anon_super+0x3b/0x70 fs/super.c:1226
 btrfs_kill_super+0x41/0x50 fs/btrfs/super.c:2096
 deactivate_locked_super+0xc6/0x130 fs/super.c:473
 btrfs_get_tree_super fs/btrfs/super.c:1867 [inline]
 btrfs_get_tree+0xafd/0x1920 fs/btrfs/super.c:2089
 vfs_get_tree+0x92/0x2a0 fs/super.c:1789
 fc_mount+0x1b/0xb0 fs/namespace.c:1125
 btrfs_get_tree_subvol fs/btrfs/super.c:2052 [inline]
 btrfs_get_tree+0x652/0x1920 fs/btrfs/super.c:2090
 vfs_get_tree+0x92/0x2a0 fs/super.c:1789
 do_new_mount+0x2be/0xb40 fs/namespace.c:3352
 do_mount fs/namespace.c:3692 [inline]
 __do_sys_mount fs/namespace.c:3898 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3875
 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: 0033:0x7fcfa3d772da
RSP: 002b:00007fcfa4befe78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fcfa4beff00 RCX: 00007fcfa3d772da
RDX: 00000000200051c0 RSI: 0000000020005200 RDI: 00007fcfa4befec0
RBP: 00000000200051c0 R08: 00007fcfa4beff00 R09: 0000000000000040
R10: 0000000000000040 R11: 0000000000000206 R12: 0000000020005200
R13: 00007fcfa4befec0 R14: 00000000000051ab R15: 0000000020000280
 </TASK>
INFO: task syz.0.2516:13372 blocked for more than 149 seconds.
      Not tainted 6.10.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.2516      state:D
 stack:25088 pid:13372 tgid:13365 ppid:12511  flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5407 [inline]
 __schedule+0x1800/0x4a60 kernel/sched/core.c:6748
 __schedule_loop kernel/sched/core.c:6825 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6840
 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2557
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common kernel/sched/completion.c:116 [inline]
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
 __flush_work+0xaa9/0xd00 kernel/workqueue.c:4227
 __lru_add_drain_all+0x4f6/0x560 mm/swap.c:902
 invalidate_bdev+0x76/0xa0 block/bdev.c:100
 btrfs_get_bdev_and_sb+0x11a/0x1c0 fs/btrfs/volumes.c:492
 btrfs_open_one_device fs/btrfs/volumes.c:657 [inline]
 open_fs_devices+0x2b4/0x1290 fs/btrfs/volumes.c:1196
 btrfs_get_tree_super fs/btrfs/super.c:1826 [inline]
 btrfs_get_tree+0x504/0x1920 fs/btrfs/super.c:2089
 vfs_get_tree+0x92/0x2a0 fs/super.c:1789
 fc_mount+0x1b/0xb0 fs/namespace.c:1125
 btrfs_get_tree_subvol fs/btrfs/super.c:2052 [inline]
 btrfs_get_tree+0x652/0x1920 fs/btrfs/super.c:2090
 vfs_get_tree+0x92/0x2a0 fs/super.c:1789
 do_new_mount+0x2be/0xb40 fs/namespace.c:3352
 do_mount fs/namespace.c:3692 [inline]
 __do_sys_mount fs/namespace.c:3898 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3875
 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: 0033:0x7febff3772da
RSP: 002b:00007fec001fde78 EFLAGS: 00000206
 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fec001fdf00 RCX: 00007febff3772da
RDX: 0000000020005100 RSI: 0000000020005140 RDI: 00007fec001fdec0
RBP: 0000000020005100 R08: 00007fec001fdf00 R09: 0000000000000016
R10: 0000000000000016 R11: 0000000000000206 R12: 0000000020005140
R13: 00007fec001fdec0 R14: 00000000000050ed R15: 0000000020000200
 </TASK>
INFO: task syz-executor:13394 blocked for more than 150 seconds.
      Not tainted 6.10.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:26784 pid:13394 tgid:13394 ppid:1      flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5407 [inline]
 __schedule+0x1800/0x4a60 kernel/sched/core.c:6748
 __schedule_loop kernel/sched/core.c:6825 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6840
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6897
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
 kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410
 kobject_uevent_env+0x57d/0x8e0 lib/kobject_uevent.c:593
 device_add+0x63b/0xbf0 drivers/base/core.c:3660
 hci_register_dev+0x382/0x8b0 net/bluetooth/hci_core.c:2637
 __vhci_create_device drivers/bluetooth/hci_vhci.c:430 [inline]
 vhci_create_device+0x389/0x6d0 drivers/bluetooth/hci_vhci.c:472
 vhci_get_user drivers/bluetooth/hci_vhci.c:529 [inline]
 vhci_write+0x3cb/0x480 drivers/bluetooth/hci_vhci.c:609
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0xa74/0xc90 fs/read_write.c:590
 ksys_write+0x1a0/0x2c0 fs/read_write.c:643
 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: 0033:0x7fe557374720
RSP: 002b:00007ffe090649e8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe557374720
RDX: 0000000000000002 RSI: 00007ffe090649fa RDI: 00000000000000ca
RBP: 00007fe557504a18 R08: 0000000000000000 R09: 00007fe55803d6c0
R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000c
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000009
 </TASK>
INFO: task syz-executor:13396 blocked for more than 151 seconds.
      Not tainted 6.10.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:26784 pid:13396 tgid:13396 ppid:1      flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5407 [inline]
 __schedule+0x1800/0x4a60 kernel/sched/core.c:6748
 __schedule_loop kernel/sched/core.c:6825 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6840
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6897
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
 kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410
 kobject_uevent_env+0x57d/0x8e0 lib/kobject_uevent.c:593
 device_add+0x63b/0xbf0 drivers/base/core.c:3660
 hci_register_dev+0x382/0x8b0 net/bluetooth/hci_core.c:2637
 __vhci_create_device drivers/bluetooth/hci_vhci.c:430 [inline]
 vhci_create_device+0x389/0x6d0 drivers/bluetooth/hci_vhci.c:472
 vhci_get_user drivers/bluetooth/hci_vhci.c:529 [inline]
 vhci_write+0x3cb/0x480 drivers/bluetooth/hci_vhci.c:609
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0xa74/0xc90 fs/read_write.c:590
 ksys_write+0x1a0/0x2c0 fs/read_write.c:643
 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: 0033:0x7fb1a2974720
RSP: 002b:00007ffd24274938 EFLAGS: 00000202
 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1a2974720
RDX: 0000000000000002 RSI: 00007ffd2427494a RDI: 00000000000000ca
RBP: 00007fb1a2b04a18 R08: 0000000000000000 R09: 00007fb1a363d6c0
R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000c
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000009
 </TASK>
INFO: task syz-executor:13398 blocked for more than 153 seconds.
      Not tainted 6.10.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D
 stack:26784 pid:13398 tgid:13398 ppid:1      flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5407 [inline]
 __schedule+0x1800/0x4a60 kernel/sched/core.c:6748