syzbot


INFO: task hung in xfs_log_clean

Status: auto-obsoleted due to no activity on 2025/06/15 05:02
Subsystems: xfs
[Documentation on labels]
First crash: 158d, last: 158d

Sample crash report:
INFO: task syz-executor:6450 blocked for more than 142 seconds.
      Not tainted 6.14.0-rc6-syzkaller-ga5618886fdab #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:0     pid:6450  tgid:6450  ppid:1      task_flags:0x400140 flags:0x0000000d
Call trace:
 __switch_to+0x414/0x788 arch/arm64/kernel/process.c:701 (T)
 context_switch kernel/sched/core.c:5378 [inline]
 __schedule+0x1360/0x257c kernel/sched/core.c:6765
 __schedule_loop kernel/sched/core.c:6842 [inline]
 schedule+0xbc/0x238 kernel/sched/core.c:6857
 xlog_wait+0x154/0x1d0 fs/xfs/xfs_log_priv.h:588
 xlog_wait_on_iclog+0x300/0x5bc fs/xfs/xfs_log.c:840
 xlog_unmount_write fs/xfs/xfs_log.c:924 [inline]
 xfs_log_unmount_write fs/xfs/xfs_log.c:979 [inline]
 xfs_log_clean+0x594/0xacc fs/xfs/xfs_log.c:1031
 xfs_log_unmount+0x38/0x1a4 fs/xfs/xfs_log.c:1045
 xfs_unmountfs+0x1a8/0x2c0 fs/xfs/xfs_mount.c:1187
 xfs_fs_put_super+0x6c/0x138 fs/xfs/xfs_super.c:1175
 generic_shutdown_super+0x12c/0x2bc fs/super.c:642
 kill_block_super+0x44/0x90 fs/super.c:1710
 xfs_kill_sb+0x20/0x58 fs/xfs/xfs_super.c:2115
 deactivate_locked_super+0xc4/0x12c fs/super.c:473
 deactivate_super+0xe0/0x100 fs/super.c:506
 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1413
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1420
 task_work_run+0x230/0x2e0 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 do_notify_resume+0x178/0x1f4 arch/arm64/kernel/entry-common.c:151

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/03/17 04:57 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5618886fdab 948c34e4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in xfs_log_clean
* Struck through repros no longer work on HEAD.