INFO: task ext4lazyinit:7024 blocked for more than 149 seconds.
      Not tainted 6.15.0-rc2-syzkaller-gc72692105976 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:ext4lazyinit    state:D stack:0     pid:7024  tgid:7024  ppid:2      task_flags:0x200040 flags:0x00000008
Call trace:
 __switch_to+0x414/0x788 arch/arm64/kernel/process.c:701 (T)
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x16a4/0x2c80 kernel/sched/core.c:6767
 __schedule_loop kernel/sched/core.c:6845 [inline]
 schedule+0xbc/0x238 kernel/sched/core.c:6860
 io_schedule+0x8c/0x124 kernel/sched/core.c:7742
 bit_wait_io+0x1c/0xac kernel/sched/wait_bit.c:247
 __wait_on_bit kernel/sched/wait_bit.c:49 [inline]
 out_of_line_wait_on_bit+0x208/0x334 kernel/sched/wait_bit.c:64
 wait_on_bit_io include/linux/wait_bit.h:105 [inline]
 __wait_on_buffer+0x6c/0x7c fs/buffer.c:123
 wait_on_buffer include/linux/buffer_head.h:413 [inline]
 ext4_commit_super+0x300/0x4e4 fs/ext4/super.c:6226
 ext4_handle_error+0x4fc/0x7e0 fs/ext4/super.c:713
 __ext4_error+0x240/0x324 fs/ext4/super.c:824
 ext4_read_block_bitmap_nowait+0x244/0x98c fs/ext4/balloc.c:482
 ext4_mb_prefetch+0x1e8/0x334 fs/ext4/mballoc.c:2749
 ext4_run_li_request fs/ext4/super.c:3689 [inline]
 ext4_lazyinit_thread+0x554/0x1974 fs/ext4/super.c:3816
 kthread+0x674/0x7dc kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862

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/u8:1/13:
2 locks held by kworker/1:0/24:
2 locks held by kworker/1:1/26:
1 lock held by khungtaskd/32:
 #0: ffff800090118020 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:330
6 locks held by kworker/u8:2/43:
3 locks held by kworker/u8:3/45:
3 locks held by kworker/u8:4/62:
3 locks held by kworker/u8:5/327:
3 locks held by kworker/u8:6/642:
3 locks held by kworker/u8:7/671:
3 locks held by kworker/0:2/3872:
 #0: ffff0000c0028d48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x674/0x1638 kernel/workqueue.c:3212
 #1: ffff8000a3177b80 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x708/0x1638 kernel/workqueue.c:3212
 #2: ffff800093071868 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
3 locks held by kworker/R-ipv6_/4127:
 #0: ffff0000d2b9f948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x674/0x1638 kernel/workqueue.c:3212
 #1: ffff80009e947b20 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x708/0x1638 kernel/workqueue.c:3212
 #2: ffff800093071868 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
6 locks held by kworker/R-bat_e/4208:
3 locks held by kworker/u8:8/4324:
2 locks held by syslogd/6073:
1 lock held by klogd/6077:
2 locks held by udevd/6088:
2 locks held by dhcpcd/6141:
3 locks held by dhcpcd/6142:
2 locks held by getty/6225:
 #0: ffff0000d34d50a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80009c1db2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x46c/0x123c drivers/tty/n_tty.c:2222
4 locks held by kworker/0:3/6474:
1 lock held by syz-executor/6489:
 #0: ffff0000c77d00e0 (&type->s_umount_key#31){++++}-{4:4}, at: __super_lock fs/super.c:56 [inline]
 #0: ffff0000c77d00e0 (&type->s_umount_key#31){++++}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
 #0: ffff0000c77d00e0 (&type->s_umount_key#31){++++}-{4:4}, at: deactivate_super+0xd8/0x100 fs/super.c:505
1 lock held by syz-executor/6492:
2 locks held by kworker/0:4/6534:
4 locks held by kworker/0:5/6535:
2 locks held by ext4lazyinit/7024:
 #0: ffff0000c77d00e0 (&type->s_umount_key#31){++++}-{4:4}, at: ext4_lazyinit_thread+0x198/0x1974 fs/ext4/super.c:3807
 #1: ffff0000c77d0420 (sb_writers#3){.+.+}-{0:0}, at: kthread+0x674/0x7dc kernel/kthread.c:464
2 locks held by syz.1.63/7036:
3 locks held by kworker/u8:9/7046:
2 locks held by kworker/u8:10/7047:
3 locks held by kworker/u8:11/7049:
 #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x674/0x1638 kernel/workqueue.c:3212
 #1: ffff8000a0ad7b80 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x708/0x1638 kernel/workqueue.c:3212
 #2: ffff800093071868 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
2 locks held by syz-executor/7050:

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