INFO: task hung in xp_release_deferred (4)

Status: auto-obsoleted due to no activity on 2025/05/17 06:09
Subsystems: bpf net
[Documentation on labels]
First crash: 544d, last: 544d
▶ ▼ Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in xp_release_deferred bpf net 1 1 1759d 1759d 0/29 auto-closed as invalid on 2021/12/19 09:59
upstream INFO: task hung in xp_release_deferred (3) net bpf 1 6 659d 679d 0/29 auto-obsoleted due to no activity on 2025/01/22 23:27
upstream INFO: task hung in xp_release_deferred (2) net bpf 1 2 808d 812d 0/29 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.