INFO: task hung in f2fs_sync_node_pages

Status: auto-obsoleted due to no activity on 2025/08/05 05:08
Subsystems: f2fs
[Documentation on labels]
First crash: 494d, last: 489d
▶ ▼ Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in f2fs_sync_node_pages (2) f2fs 1 1 193d 193d 0/29 auto-obsoleted due to no activity on 2026/04/28 09:55

Sample crash report:
INFO: task kworker/u8:3:53 blocked for more than 143 seconds.
      Not tainted 6.15.0-rc5-syzkaller-00032-g0d8d44db295c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:3    state:D
 stack:21960 pid:53    tgid:53    ppid:2      task_flags:0x4208160 flags:0x00004000
Workqueue: writeback wb_workfn
 (flush-7:0)

Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x168f/0x4c70 kernel/sched/core.c:6767
 __schedule_loop kernel/sched/core.c:6845 [inline]
 schedule+0x165/0x360 kernel/sched/core.c:6860
 io_schedule+0x81/0xe0 kernel/sched/core.c:7742
 folio_wait_bit_common+0x6b0/0xb90 mm/filemap.c:1317
 folio_lock include/linux/pagemap.h:1137 [inline]
 f2fs_sync_node_pages+0x741/0x14a0 fs/f2fs/node.c:2069
 f2fs_write_node_pages+0x303/0x6e0 fs/f2fs/node.c:2208

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/05/07 05:00 upstream 0d8d44db295c 350f4ffc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in f2fs_sync_node_pages
2025/05/02 20:25 upstream 2bfcee565c3a b0714e37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in f2fs_sync_node_pages
2025/05/02 08:12 upstream ebd297a2affa 51b137cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in f2fs_sync_node_pages
* Struck through repros no longer work on HEAD.