INFO: task syz.3.4:6549 blocked for more than 144 seconds.
      Not tainted 6.11.0-rc7-syzkaller-g5f5673607153 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.4         state:D stack:0     pid:6549  tgid:6497  ppid:6416   flags:0x00000001
Call trace:
 __switch_to+0x420/0x6dc arch/arm64/kernel/process.c:603
 context_switch kernel/sched/core.c:5188 [inline]
 __schedule+0x13d4/0x2418 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0xbc/0x238 kernel/sched/core.c:6621
 __bch2_two_state_lock+0x1f0/0x260 fs/bcachefs/two_state_shared_lock.c:7
 bch2_two_state_lock fs/bcachefs/two_state_shared_lock.h:55 [inline]
 bch2_read_iter+0xdc4/0x1100 fs/bcachefs/fs-io-direct.c:207
 new_sync_read fs/read_write.c:395 [inline]
 vfs_read+0x74c/0x984 fs/read_write.c:476
 ksys_read+0x15c/0x26c fs/read_write.c:619
 __do_sys_read fs/read_write.c:629 [inline]
 __se_sys_read fs/read_write.c:627 [inline]
 __arm64_sys_read+0x7c/0x90 fs/read_write.c:627
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598

Showing all locks held in the system:
1 lock held by khungtaskd/31:
 #0: ffff80008f74dfa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:325
3 locks held by kworker/u8:2/43:
 #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x624/0x15b8 kernel/workqueue.c:3205
 #1: ffff800097cb7c20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x6a0/0x15b8 kernel/workqueue.c:3205
 #2: ffff800092437ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79
5 locks held by kworker/u9:0/54:
 #0: ffff0000cd114148 ((wq_completion)hci5){+.+.}-{0:0}, at: process_one_work+0x624/0x15b8 kernel/workqueue.c:3205
 #1: ffff800097d67c20 ((work_completion)(&hdev->error_reset)){+.+.}-{0:0}, at: process_one_work+0x6a0/0x15b8 kernel/workqueue.c:3205
 #2: ffff0000ca8ccd80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close net/bluetooth/hci_core.c:481 [inline]
 #2: ffff0000ca8ccd80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_error_reset+0x100/0x35c net/bluetooth/hci_core.c:1016
 #3: ffff0000ca8cc078 (&hdev->lock){+.+.}-{3:3}, at: hci_dev_close_sync+0x430/0x1074 net/bluetooth/hci_sync.c:5183
 #4: ffff800092598b48 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:1972 [inline]
 #4: ffff800092598b48 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_conn_hash_flush+0xac/0x220 net/bluetooth/hci_conn.c:2592
2 locks held by getty/6176:
 #0: ffff0000d29730a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80009b50e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2211
5 locks held by syz.3.4/6499:
 #0: ffff0000d5280420 (sb_writers#11){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:515
 #1: ffff0000edc58148 (&sb->s_type->i_mutex_key#20){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:800 [inline]
 #1: ffff0000edc58148 (&sb->s_type->i_mutex_key#20){+.+.}-{3:3}, at: do_truncate+0x1ac/0x28c fs/open.c:63
 #2: ffff0000eec00a18 (&c->snapshot_create_lock){.+.+}-{3:3}, at: bch2_truncate+0x134/0x274 fs/bcachefs/io_misc.c:290
 #3: ffff0000eec042c0 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_lock_acquire+0x18/0x54 include/linux/srcu.h:150
 #4: ffff0000eec26690 (&c->gc_lock){++++}-{3:3}, at: bch2_btree_update_start+0x588/0x15ac fs/bcachefs/btree_update_interior.c:1197
1 lock held by syz.3.4/6549:
 #0: ffff0000db900d48 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x218/0x2a4 fs/file.c:1187
1 lock held by bch-reclaim/loo/6525:
2 locks held by kworker/u8:19/7133:
 #0: ffff0000c257b148 ((wq_completion)iou_exit){+.+.}-{0:0}, at: process_one_work+0x624/0x15b8 kernel/workqueue.c:3205
 #1: ffff8000a00a7c20 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x6a0/0x15b8 kernel/workqueue.c:3205
2 locks held by kworker/u8:20/7376:
2 locks held by kworker/u8:24/7385:
 #0: ffff0000c257b148 ((wq_completion)iou_exit){+.+.}-{0:0}, at: process_one_work+0x624/0x15b8 kernel/workqueue.c:3205
 #1: ffff8000a2297c20 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x6a0/0x15b8 kernel/workqueue.c:3205
2 locks held by syz.0.548/9124:
3 locks held by syz.4.550/9129:
1 lock held by syz.2.554/9139:
 #0: ffff800092437ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
 #0: ffff800092437ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x5e8/0xa9c net/core/rtnetlink.c:6644

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