Comment 24 for bug 1998536

CALL TRACE FROM TEST:

[ 4461.908558] INFO: task stress-ng:17065 blocked for more than 622 seconds.
[ 4461.908559] Not tainted 5.15.0-1033-realtime #36~lp1998536DEBUG
[ 4461.908559] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 4461.908560] task:stress-ng state:D stack: 0 pid:17065 ppid: 17059 flags:0x00004006
[ 4461.908561] Call Trace:
[ 4461.908562] <TASK>
[ 4461.908564] __schedule+0x28c/0x5f0
[ 4461.908566] schedule+0x7c/0x170
[ 4461.908568] jbd2_log_wait_commit+0x15e/0x200
[ 4461.908571] ? wait_woken+0x70/0x70
[ 4461.908573] jbd2_complete_transaction+0x7d/0xb0
[ 4461.908575] ext4_fc_commit+0x1a0/0x1d0
[ 4461.908578] ext4_sync_file+0xde/0x2d0
[ 4461.908581] vfs_fsync_range+0x46/0x90
[ 4461.908583] ? up_write+0x44/0x50
[ 4461.908584] ext4_buffered_write_iter+0x132/0x180
[ 4461.908587] ext4_file_write_iter+0x43/0x60
[ 4461.908589] new_sync_write+0x11a/0x1b0
[ 4461.908593] vfs_write+0x2bc/0x3d0
[ 4461.908595] ksys_write+0x70/0xf0
[ 4461.908598] __x64_sys_write+0x19/0x20
[ 4461.908600] do_syscall_64+0x59/0xc0
[ 4461.908603] ? irqentry_exit_to_user_mode+0x27/0x40
[ 4461.908605] ? irqentry_exit+0x6b/0x90
[ 4461.908606] ? exc_page_fault+0xa6/0x120
[ 4461.908609] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 4461.908611] RIP: 0033:0x7f58ba4eca37
[ 4461.908612] RSP: 002b:00007fffecc50228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 4461.908613] RAX: ffffffffffffffda RBX: 00007fffecc51370 RCX: 00007f58ba4eca37
[ 4461.908614] RDX: 0000000000000001 RSI: 00007fffecc51297 RDI: 0000000000000004
[ 4461.908615] RBP: 0000000000000004 R08: 00000000000042bf R09: 00007fffecc50030
[ 4461.908615] R10: 00007fffecc501e0 R11: 0000000000000246 R12: 00007f58b7416000
[ 4461.908616] R13: 0000000000000004 R14: 0000000000000001 R15: 00007fffecc51297