INFO: task syz-executor412:4411 blocked for more than 143 seconds.
      Not tainted 6.2.0-rc4-syzkaller-16804-gde8041bf6ca8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor412 state:D stack:0     pid:4411  ppid:4410   flags:0x00000009
Call trace:
 __switch_to+0x180/0x298 arch/arm64/kernel/process.c:556
 context_switch kernel/sched/core.c:5293 [inline]
 __schedule+0x438/0x5a0 kernel/sched/core.c:6606
 schedule+0x64/0xa4 kernel/sched/core.c:6682
 io_schedule+0x38/0xbc kernel/sched/core.c:8862
 bit_wait_io+0x18/0x60 kernel/sched/wait_bit.c:209
 __wait_on_bit_lock+0x6c/0x114 kernel/sched/wait_bit.c:90
 out_of_line_wait_on_bit_lock+0x84/0xac kernel/sched/wait_bit.c:117
 wait_on_bit_lock_io include/linux/wait_bit.h:208 [inline]
 __lock_buffer fs/buffer.c:69 [inline]
 lock_buffer include/linux/buffer_head.h:397 [inline]
 __sync_dirty_buffer+0xe8/0x328 fs/buffer.c:2732
 sync_dirty_buffer+0x24/0x34 fs/buffer.c:2758
 __ext4_handle_dirty_metadata+0x118/0x3e8 fs/ext4/ext4_jbd2.c:387
 ext4_convert_inline_data_nolock+0x3d8/0x450 fs/ext4/inline.c:1255
 ext4_convert_inline_data+0x22c/0x310 fs/ext4/inline.c:2066
 ext4_fallocate+0xa8/0xc2c fs/ext4/extents.c:4701
 vfs_fallocate+0x328/0x38c fs/open.c:323
 ioctl_preallocate+0x16c/0x1bc fs/ioctl.c:290
 do_vfs_ioctl+0x123c/0x16a4 fs/ioctl.c:849
 __do_sys_ioctl fs/ioctl.c:868 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __arm64_sys_ioctl+0x98/0x140 fs/ioctl.c:856
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x104 arch/arm64/kernel/syscall.c:193
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/11:
 #0: ffff80000d6556c8 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/12:
 #0: ffff80000d655d18 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/27:
 #0: ffff80000d6555a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:324
2 locks held by getty/4082:
 #0: ffff0000c6655098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x28/0x58 drivers/tty/tty_ldisc.c:244
 #1: ffff80000f8662f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x19c/0x89c drivers/tty/n_tty.c:2177
3 locks held by syz-executor412/4411:
 #0: ffff0000cc7a9460 (sb_writers#3){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2938 [inline]
 #0: ffff0000cc7a9460 (sb_writers#3){.+.+}-{0:0}, at: vfs_fallocate+0x2e4/0x38c fs/open.c:322
 #1: ffff0000c690d080 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #1: ffff0000c690d080 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_fallocate+0xa0/0xc2c fs/ext4/extents.c:4700
 #2: ffff0000c690cd48 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline]
 #2: ffff0000c690cd48 (&ei->xattr_sem){++++}-{3:3}, at: ext4_convert_inline_data+0x1b0/0x310 fs/ext4/inline.c:2064

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