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INFO: task hung in devtmpfs_delete_node

Status: auto-obsoleted due to no activity on 2025/02/28 23:11
Subsystems: kernel
[Documentation on labels]
First crash: 204d, last: 204d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 INFO: task hung in devtmpfs_delete_node 1 420d 420d 0/3 auto-obsoleted due to no activity on 2024/08/06 06:15

Sample crash report:
INFO: task kworker/1:0:25 blocked for more than 142 seconds.
      Not tainted 6.12.0-syzkaller-11930-g0e287d31b62b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0     state:D stack:21328 pid:25    tgid:25    ppid:2      flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 schedule_timeout+0xb0/0x290 kernel/time/sleep_timeout.c:75
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common kernel/sched/completion.c:116 [inline]
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
 devtmpfs_submit_req drivers/base/devtmpfs.c:107 [inline]
 devtmpfs_delete_node+0x215/0x300 drivers/base/devtmpfs.c:156

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/11/30 23:09 upstream 0e287d31b62b 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in devtmpfs_delete_node
* Struck through repros no longer work on HEAD.