INFO: task btrfs-transacti:8509 blocked for more than 145 seconds.
      Not tainted 6.15.0-rc5-syzkaller-gc32f8dc5aaf9 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:btrfs-transacti state:D stack:0     pid:8509  tgid:8509  ppid:2      task_flags:0x208040 flags:0x00000010
Call trace:
 __switch_to+0x414/0x834 arch/arm64/kernel/process.c:734 (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:
2 locks held by kworker/0:0/9:
2 locks held by kworker/0:1/10:
3 locks held by kworker/u8:0/12:
4 locks held by kworker/u8:1/13:
2 locks held by kworker/1:0/24:
3 locks held by kworker/1:1/26:
1 lock held by khungtaskd/32:
 #0: ffff80008f4f88a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:330
3 locks held by kworker/u8:2/44:
3 locks held by kworker/u8:3/45:
3 locks held by kworker/u8:4/133:
3 locks held by kworker/u8:5/330:
3 locks held by kworker/u8:6/809:
 #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff80009d267bc0 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
 #2: ffff80009247ace8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
3 locks held by kworker/u8:7/2051:
3 locks held by kworker/u8:8/2119:
4 locks held by kworker/u8:9/2229:
2 locks held by kworker/0:2/2263:
4 locks held by kworker/R-bat_e/4222:
2 locks held by udevd/6105:
1 lock held by dhcpcd/6159:
3 locks held by dhcpcd/6160:
2 locks held by crond/6234:
2 locks held by getty/6251:
 #0: ffff0000d2e330a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff800098f632f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x34c/0xfa0 drivers/tty/n_tty.c:2222
2 locks held by kworker/1:3/6480:
2 locks held by syz-executor/6489:
4 locks held by syz-executor/6494:
2 locks held by syz-executor/6496:
2 locks held by syz-executor/6498:
3 locks held by kworker/0:3/6537:
4 locks held by kworker/1:5/6538:
2 locks held by kworker/1:6/6539:
4 locks held by kworker/0:4/6552:
 #0: ffff0000cdb80948 ((wq_completion)wg-kex-wg1#10){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff80009f587bc0 ((work_completion)(&({ do { const void *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __ptr = (unsigned long) ((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))); (typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker))))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
 #2: ffff0000f0725308 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_consume_initiation+0x130/0x748 drivers/net/wireguard/noise.c:598
 #3: ffff0000cfe320f0 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_consume_initiation+0x414/0x748 drivers/net/wireguard/noise.c:632
4 locks held by kworker/0:5/6565:
 #0: ffff0000d79ac948 ((wq_completion)wg-kex-wg1#8){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff80009f507bc0 ((work_completion)(&({ do { const void *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __ptr = (unsigned long) ((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))); (typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker))))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
 #2: ffff0000efe39308 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_consume_initiation+0x130/0x748 drivers/net/wireguard/noise.c:598
 #3: ffff0000f1365c60 (&handshake->lock
){++++}-{4:4}, at: wg_noise_handshake_consume_initiation+0x414/0x748 drivers/net/wireguard/noise.c:632
2 locks held by kworker/1:7/6566:
3 locks held by kworker/u8:10/6606:
2 locks held by kworker/0:7/6680:
3 locks held by kworker/u8:11/6806:
1 lock held by udevd/7201:
3 locks held by kworker/u8:12/7247:
4 locks held by kworker/u8:13/7306:
1 lock held by kworker/R-bond1/7466:
 #0: ffff80008f3a0ee8 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x40/0x348 kernel/workqueue.c:2678
11 locks held by syz.2.441/8480:
2 locks held by udevadm/8490:
1 lock held by btrfs-transacti/8509:
 #0: ffff0000fc00c7c0 (&fs_info->transaction_kthread_mutex){+.+.}-{4:4}, at: transaction_kthread+0xc4/0x42c fs/btrfs/disk-io.c:1568
4 locks held by kworker/u8:14/8518:
3 locks held by kworker/u8:15/8519:
4 locks held by kworker/u8:16/8520:
3 locks held by syz-executor/8521:
3 locks held by kworker/u8:17/8522:
1 lock held by kworker/u8:18/8523:

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