INFO: task hung in xp_release

INFO: task hung in xp_release_deferred (4)

Status: auto-obsoleted due to no activity on 2025/05/17 06:09
Subsystems: net bpf
[Documentation on labels]
First crash: 112d, last: 112d

▶ ▼ Similar bugs (3)

Kernel	Title	Count	Last	Reported	Patched	Status
upstream	INFO: task hung in xp_release_deferred net bpf	1	1326d	1326d	0/28	auto-closed as invalid on 2021/12/19 09:59
upstream	INFO: task hung in xp_release_deferred (3) bpf net	6	226d	246d	0/28	auto-obsoleted due to no activity on 2025/01/22 23:27
upstream	INFO: task hung in xp_release_deferred (2) bpf net	2	375d	379d	0/28	auto-obsoleted due to no activity on 2024/08/26 19:38

Sample crash report:

INFO: task kworker/0:0:8 blocked for more than 143 seconds.
      Not tainted 6.14.0-rc2-syzkaller-00158-g071ed42cff4f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:0     state:D stack:21264 pid:8     tgid:8     ppid:2      task_flags:0x4208060 flags:0x00004000
Workqueue: events xp_release_deferred
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0x190e/0x4c90 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
 xp_release_deferred+0x29/0x180 net/xdp/xsk_buff_pool.c:280

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2025/02/16 06:06	net	071ed42cff4f	40a34ec9	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci-upstream-net-this-kasan-gce	INFO: task hung in xp_release_deferred

* ~~Struck through~~ repros no longer work on HEAD.