EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
INFO: task syz-executor.1:9198 blocked for more than 143 seconds.
      Not tainted 5.10.109 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:25008 pid: 9198 ppid:   291 flags:0x10000004
Call Trace:
 context_switch kernel/sched/core.c:3791 [inline]
 __schedule+0x848/0x1e80 kernel/sched/core.c:4540
 schedule+0xcb/0x270 kernel/sched/core.c:4618
 io_schedule+0xb6/0x130 kernel/sched/core.c:6291
 bit_wait_io+0x12/0xa0 kernel/sched/wait_bit.c:209
 __wait_on_bit_lock+0x131/0x1c0 kernel/sched/wait_bit.c:90
 out_of_line_wait_on_bit_lock+0xd5/0x110 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:366 [inline]
 __sync_dirty_buffer+0x360/0x3f0 fs/buffer.c:3142
 __ext4_handle_dirty_metadata+0x290/0x730 fs/ext4/ext4_jbd2.c:366
 ext4_convert_inline_data_nolock+0x68e/0xe60 fs/ext4/inline.c:1246
 ext4_convert_inline_data+0x31a/0x490 fs/ext4/inline.c:1995
 ext4_fallocate+0x1a4/0x3aa0 fs/ext4/extents.c:4696
 vfs_fallocate+0x48f/0xcb0 fs/open.c:309
 ksys_fallocate fs/open.c:332 [inline]
 __do_sys_fallocate fs/open.c:340 [inline]
 __se_sys_fallocate fs/open.c:338 [inline]
 __x64_sys_fallocate+0xcf/0x140 fs/open.c:338
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fd463ff6b19
RSP: 002b:00007fd46156c188 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007fd464109f60 RCX: 00007fd463ff6b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007fd464050f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffea168838f R14: 00007fd46156c300 R15: 0000000000022000

Showing all locks held in the system:
1 lock held by khungtaskd/22:
 #0: ffffffff84df6fe0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6379
1 lock held by in:imklog/177:
2 locks held by rs:main Q:Reg/178:
 #0: ffff88800e085c70 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:974
 #1: ffff88800f866438 (sb_writers#3){.+.+}-{0:0}, at: ksys_write+0x12d/0x250 fs/read_write.c:658
2 locks held by agetty/218:
 #0: ffff88800f7d8098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:266
 #1: ffffc900007b52e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xdca/0x1320 drivers/tty/n_tty.c:2172
2 locks held by syz-executor.1/9198:
 #0: ffff888045882438 (sb_writers#3){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:332 [inline]
 #0: ffff888045882438 (sb_writers#3){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:340 [inline]
 #0: ffff888045882438 (sb_writers#3){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:338 [inline]
 #0: ffff888045882438 (sb_writers#3){.+.+}-{0:0}, at: __x64_sys_fallocate+0xcf/0x140 fs/open.c:338
 #1: ffff88801d769e50 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:142 [inline]
 #1: ffff88801d769e50 (&ei->xattr_sem){++++}-{3:3}, at: ext4_convert_inline_data+0x21e/0x490 fs/ext4/inline.c:1993

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