INFO: task hung in rxrpc_destroy_all_connections (3)

Status: auto-closed as invalid on 2022/02/05 03:08
Subsystems: afs net
[Documentation on labels]
First crash: 1768d, last: 1768d
▶ ▼ Similar bugs (5)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 INFO: task hung in rxrpc_destroy_all_connections 1 1 2580d 2580d 0/1 auto-closed as invalid on 2019/12/16 04:54
upstream INFO: task hung in rxrpc_destroy_all_connections (5) prio:high kernel 1 40 150d 197d 0/29 auto-obsoleted due to no activity on 2026/07/21 19:28
upstream INFO: task hung in rxrpc_destroy_all_connections net afs 1 1 2565d 2565d 0/29 auto-closed as invalid on 2019/11/30 22:24
upstream INFO: task hung in rxrpc_destroy_all_connections (2) afs net 1 5 2165d 2201d 0/29 auto-closed as invalid on 2021/01/03 19:58
upstream INFO: task hung in rxrpc_destroy_all_connections (4) afs net 1 1 951d 943d 0/29 auto-obsoleted due to no activity on 2024/04/02 13:13

Sample crash report:
INFO: task kworker/u4:3:56 blocked for more than 142 seconds.
      Not tainted 5.15.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:3    state:D stack:23160 pid:   56 ppid:     2 flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:4969 [inline]
 __schedule+0xa9a/0x4940 kernel/sched/core.c:6250
 schedule+0xd2/0x260 kernel/sched/core.c:6323
 schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1857
 do_wait_for_common kernel/sched/completion.c:85 [inline]
 __wait_for_common kernel/sched/completion.c:106 [inline]
 wait_for_common kernel/sched/completion.c:117 [inline]
 wait_for_completion+0x174/0x270 kernel/sched/completion.c:138
 flush_workqueue+0x3ed/0x15b0 kernel/workqueue.c:2870
 rxrpc_destroy_all_connections+0xf9/0x410 net/rxrpc/conn_object.c:468
 rxrpc_exit_net+0x155/0x2f0 net/rxrpc/net_ns.c:119
 ops_exit_list+0xb0/0x160 net/core/net_namespace.c:168
 cleanup_net+0x4ea/0xb00 net/core/net_namespace.c:593
 process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298
 worker_thread+0x658/0x11f0 kernel/workqueue.c:2445
 kthread+0x405/0x4f0 kernel/kthread.c:327
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/11/07 02:59 upstream 512b7931ad05 4c1be0be .config console log report info ci-upstream-kasan-gce-selinux-root INFO: task hung in rxrpc_destroy_all_connections
* Struck through repros no longer work on HEAD.