INFO: task btrfs-transacti:7099 blocked for more than 145 seconds. Not tainted 6.15.0-rc7-syzkaller-gd7fa1af5b33e #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:btrfs-transacti state:D stack:0 pid:7099 tgid:7099 ppid:2 task_flags:0x208040 flags:0x00000010 Call trace: __switch_to+0x414/0x834 arch/arm64/kernel/process.c:735 (T) context_switch kernel/sched/core.c:5382 [inline] __schedule+0x13b0/0x28d4 kernel/sched/core.c:6767 __schedule_loop kernel/sched/core.c:6845 [inline] schedule+0xb4/0x230 kernel/sched/core.c:6860 wait_current_trans+0x2d0/0x468 fs/btrfs/transaction.c:532 start_transaction+0x798/0x1558 fs/btrfs/transaction.c:707 btrfs_attach_transaction+0x30/0x40 fs/btrfs/transaction.c:867 transaction_kthread+0x1a8/0x42c fs/btrfs/disk-io.c:1591 kthread+0x5fc/0x75c kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847 Showing all locks held in the system: 1 lock held by kthreadd/2: 3 locks held by kworker/u8:0/12: 3 locks held by kworker/u8:1/14: 1 lock held by khungtaskd/32: #0: ffff80008f508920 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:330 2 locks held by kworker/R-kbloc/40: #0: ffff0000c20b6548 ((wq_completion)kblockd ){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212 #1: ffff800097d17ba0 ((work_completion)(&q->timeout_work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212 3 locks held by kworker/u8:2/44: 3 locks held by kworker/u8:3/45: 4 locks held by kworker/u9:0/55: #0: ffff0000de73d948 ((wq_completion)hci4){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212 #1: ffff800097e07bc0 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212