INFO: task syz-executor:6493 blocked for more t
INFO: task syz-executor:6493 blocked for more than 144 seconds.
      Not tainted 6.15.0-rc4-syzkaller-ge0f4c8dd9d2d #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:0     pid:6493  tgid:6493  ppid:1      task_flags:0x400140 flags:0x00000019
Call trace:
 __switch_to+0x404/0x778 arch/arm64/kernel/process.c:701 (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
 __bch2_fs_stop+0x378/0x564 fs/bcachefs/super.c:632
 bch2_put_super+0x40/0x50 fs/bcachefs/fs.c:2382
 generic_shutdown_super+0x12c/0x2b8 fs/super.c:642
 bch2_kill_sb+0x40/0x58 fs/bcachefs/fs.c:2620
 deactivate_locked_super+0xc4/0x12c fs/super.c:473
 deactivate_super+0xe0/0x100 fs/super.c:506
 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1435
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1442
 task_work_run+0x1dc/0x260 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 do_notify_resume+0x16c/0x1ec arch/arm64/kernel/entry-common.c:151
 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline]
 el0_svc+0xb0/0x150 arch/arm64/kernel/entry-common.c:745
 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600

Showing all locks held in the system:
1 lock held by khungtaskd/32:
 #0: ffff80008f4e7d20 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:330
2 locks held by pr/ttyAMA0/46:
2 locks held by kworker/u8:4/162:
1 lock held by udevd/6105:
2 locks held by getty/6248:
 #0: ffff0000d2b6a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80009b5ae2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x34c/0xfa0 drivers/tty/n_tty.c:2222
1 lock held by syz-executor/6493:
 #0: ffff0000c476a0e0 (&type->s_umount_key#62){++++}-{4:4}, at: __super_lock fs/super.c:56 [inline]
 #0: ffff0000c476a0e0 (&type->s_umount_key#62){++++}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
 #0: ffff0000c476a0e0 (&type->s_umount_key#62){++++}-{4:4}, at: deactivate_super+0xd8/0x100 fs/super.c:505
3 locks held by syz-executor/6498:
3 locks held by kworker/u8:10/6598:
 #0: ffff0000c183a148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff8000a27f7bc0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
 #2: ffff80009245b710 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x138/0x9c0 net/core/net_namespace.c:608
3 locks held by syz-executor/7127:
1 lock held by syz.0.449/8897:
 #0: ffff0000c476a0e0 (&type->s_umount_key#62){++++}-{4:4}, at: __super_lock fs/super.c:58 [inline]
 #0: ffff0000c476a0e0 (&type->s_umount_key#62){++++}-{4:4}, at: super_lock+0x240/0x32c fs/super.c:120
1 lock held by dhcpcd/9087:
 #0: ffff0000fd14c258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1651 [inline]
 #0: ffff0000fd14c258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x48/0xafc net/packet/af_packet.c:3252

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