INFO: task syz-executor.0:7419 blocked for more than 143 seconds.
      Not tainted 6.9.0-syzkaller-12398-gc13320499ba0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:14944 pid:7419  tgid:7394  ppid:6962   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x1796/0x49d0 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 io_schedule+0x8d/0x110 kernel/sched/core.c:9043
 folio_wait_bit_common+0x882/0x12b0 mm/filemap.c:1307
 folio_wait_writeback+0xe7/0x1e0 mm/page-writeback.c:3140
 truncate_inode_pages_range+0xafd/0xfc0 mm/truncate.c:414
 truncate_inode_pages mm/truncate.c:439 [inline]
 truncate_pagecache mm/truncate.c:732 [inline]
 truncate_setsize+0xcf/0xf0 mm/truncate.c:757
 bchfs_truncate+0x683/0xc80 fs/bcachefs/fs-io.c:453
 notify_change+0xb9d/0xe70 fs/attr.c:497
 do_truncate+0x220/0x310 fs/open.c:65
 handle_truncate fs/namei.c:3308 [inline]
 do_open fs/namei.c:3654 [inline]
 path_openat+0x2a3d/0x3280 fs/namei.c:3807
 do_filp_open+0x235/0x490 fs/namei.c:3834
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1405
 do_sys_open fs/open.c:1420 [inline]
 __do_sys_open fs/open.c:1428 [inline]
 __se_sys_open fs/open.c:1424 [inline]
 __x64_sys_open+0x225/0x270 fs/open.c:1424
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f642d27cee9
RSP: 002b:00007f642dfdb0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f642d3ac050 RCX: 00007f642d27cee9
RDX: 0000000000000000 RSI: 000000000014937e RDI: 0000000020000180
RBP: 00007f642d2c949e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f642d3ac050 R15: 00007ffc1f9216e8
 </TASK>
INFO: task syz-executor.0:7420 blocked for more than 143 seconds.