INFO: task hung in rxrpc_destroy_all

Kernel	Title	Count	Last	Reported	Patched	Status
upstream	INFO: task hung in rxrpc_destroy_all_calls (2) afs net	1	688d	688d	0/25	auto-closed as invalid on 2022/04/12 22:15
upstream	INFO: task hung in rxrpc_destroy_all_calls net afs	13	1511d	1550d	0/25	auto-closed as invalid on 2020/01/11 01:03
upstream	INFO: task hung in rxrpc_destroy_all_calls (3) net afs	352	345d	357d	0/25	auto-obsoleted due to no activity on 2023/03/21 16:19

ieee802154 phy1 wpan1: encryption failed: -22 ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task kworker/u4:8:10107 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/u4:8 D25496 10107 2 0x80000000 Workqueue: netns cleanup_net Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 rxrpc_destroy_all_calls+0x1e7/0x570 net/rxrpc/call_object.c:756 rxrpc_exit_net+0x1a9/0x2f0 net/rxrpc/net_ns.c:122 ops_exit_list+0xa5/0x150 net/core/net_namespace.c:153 cleanup_net+0x3b4/0x8b0 net/core/net_namespace.c:554 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Showing all locks held in the system: 2 locks held by kworker/1:0/19: #0: 00000000402b6ffd ((wq_completion)"cgroup_destroy"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 0000000051b2415b (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 0000000051b2415b (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857