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| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| upstream | INFO: task hung in extent_writepages btrfs | C | inconclusive | done | 30 | 171d | 359d | 0/27 | auto-obsoleted due to no activity on 2024/05/17 02:53 |
| linux-5.15 | INFO: task hung in extent_writepages | 1 | 459d | 459d | 0/3 | auto-obsoleted due to no activity on 2023/08/22 08:46 | |||
| linux-5.15 | INFO: task hung in extent_writepages (2) | 1 | 78d | 78d | 0/3 | upstream: reported on 2024/05/10 00:52 |
INFO: task kworker/u4:7:3700 blocked for more than 143 seconds.
Not tainted 6.1.92-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:7 state:D stack:21280 pid:3700 ppid:2 flags:0x00004000
Workqueue: writeback wb_workfn (flush-btrfs-9)
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0x142d/0x4550 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
io_schedule+0x88/0x100 kernel/sched/core.c:8786
folio_wait_bit_common+0x878/0x1290 mm/filemap.c:1296
extent_write_cache_pages fs/btrfs/extent_io.c:3171 [inline]
extent_writepages+0x8de/0x17a0 fs/btrfs/extent_io.c:3313
do_writepages+0x3a2/0x670 mm/page-writeback.c:2469
__writeback_single_inode+0x15d/0x11e0 fs/fs-writeback.c:1612
writeback_sb_inodes+0xc2b/0x1b20 fs/fs-writeback.c:1903
__writeback_inodes_wb+0x114/0x400 fs/fs-writeback.c:1974
wb_writeback+0x4b1/0xe10 fs/fs-writeback.c:2079
wb_check_background_flush fs/fs-writeback.c:2145 [inline]
wb_do_writeback fs/fs-writeback.c:2233 [inline]
wb_workfn+0xc9e/0x1020 fs/fs-writeback.c:2260
process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
</TASK>
INFO: task kworker/u4:10:3768 blocked for more than 144 seconds.
Not tainted 6.1.92-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:10 state:D stack:19072 pid:3768 ppid:2 flags:0x00004000
Workqueue: events_unbound btrfs_async_reclaim_data_space
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0x142d/0x4550 kernel/sched/core.c:6558
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024/06/03 18:04 | linux-6.1.y | 88690811da69 | 0aba2352 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in extent_writepages | ||
| 2024/05/28 03:12 | linux-6.1.y | 88690811da69 | f550015e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in extent_writepages | ||
| 2024/05/08 07:02 | linux-6.1.y | 909ba1f1b414 | 4cf3f9b3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in extent_writepages |