sched: DL replenish lagged too much
BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 37s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x100
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=13 refcnt=14
    pending: nfc_urelease_event_work, reg_todo, 2*nsim_dev_hwstats_traffic_work, 4*psi_avgs_work, delayed_vfree_work, vmstat_shepherd, psi_avgs_work, 2*ovs_dp_masks_rebalance
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=11 refcnt=12
    in-flight: 1093:nsim_fib_event_work for 86s ,1016:xfrm_state_gc_task for 32s ,4823:free_ipc for 20s
    pending: 3*nsim_dev_hwstats_traffic_work, drm_fb_helper_damage_work, 4*ovs_dp_masks_rebalance
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=16 refcnt=17
    in-flight: 54:cfg80211_wiphy_work for 66s cfg80211_wiphy_work ,13:cfg80211_wiphy_work for 80s cfg80211_wiphy_work ,1206:cfg80211_wiphy_work for 82s cfg80211_wiphy_work ,40:cfg80211_wiphy_work for 76s cfg80211_wiphy_work ,12:cfg80211_wiphy_work for 83s cfg80211_wiphy_work ,563:cfg80211_wiphy_work for 84s cfg80211_wiphy_work
    pending: nsim_dev_trap_report_work, cfg80211_wiphy_work, nsim_dev_trap_report_work, crng_reseed
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=9 refcnt=10
    in-flight: 249:cfg80211_wiphy_work for 75s cfg80211_wiphy_work ,1429:cfg80211_wiphy_work for 81s cfg80211_wiphy_work
    pending: 2*nsim_dev_trap_report_work, flush_memcg_stats_dwork, toggle_allocation_gate, nsim_dev_trap_report_work
workqueue events_power_efficient: flags=0x82
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=2 refcnt=3
    in-flight: 73:gc_worker for 4s ,5589:neigh_managed_work for 2s
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=5 refcnt=6
    pending: reg_check_chans_work, neigh_periodic_work, fb_flashcursor, neigh_managed_work, wg_ratelimiter_gc_entries
workqueue events_dfl_long: flags=0x2
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: defense_work_handler
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=5 refcnt=6
    pending: 5*defense_work_handler
workqueue mm_percpu_wq: flags=0x108
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: vmstat_update
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: vmstat_update
workqueue writeback: flags=0x4a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=2 refcnt=4 MAYDAY
    in-flight: 5587:wb_workfn for 10s
    pending: wb_update_bandwidth_workfn
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=4 MAYDAY
    in-flight: 33(RESCUER):wb_workfn for 63s
workqueue kblockd: flags=0x118
  pwq 3: cpus=0 node=0 flags=0x0 nice=-20 active=1 refcnt=2
    in-flight: 4343:blk_mq_timeout_work for 33s
workqueue iou_exit: flags=0x2
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: io_ring_exit_work
workqueue krxrpcd: flags=0x2001a
  pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4
    pending: rxrpc_peer_keepalive_worker
workqueue bat_events: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=42 MAYDAY
    in-flight: 2856(RESCUER):batadv_tt_purge for 14s
    pending: mayday_cursor_func
    inactive: batadv_tt_purge, 3*batadv_iv_send_outstanding_bat_ogm_packet, 5*batadv_mcast_mla_update, 5*batadv_purge_orig, 3*batadv_iv_send_outstanding_bat_ogm_packet, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, 6*batadv_iv_send_outstanding_bat_ogm_packet, 3*batadv_tt_purge
workqueue wg-kex-wg0: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=4 refcnt=5
    in-flight: 4796:wg_packet_encrypt_worker for 37s
    pending: wg_packet_tx_worker, wg_packet_decrypt_worker, wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg1: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg1: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_decrypt_worker, wg_packet_tx_worker, wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg2: flags=0x124
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-kex-wg2: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg0: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker
workqueue wg-kex-wg1: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg1: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_tx_worker, wg_packet_decrypt_worker, wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg2: flags=0x124
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-kex-wg0: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker, wg_packet_tx_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg0: flags=0x124
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-kex-wg0: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_tx_worker, wg_packet_decrypt_worker, wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg0: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg1: flags=0x124
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-kex-wg1: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg1: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker, wg_packet_tx_worker
workqueue wg-crypt-wg1: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=4 refcnt=5
    in-flight: 9:wg_packet_encrypt_worker for 37s
    pending: wg_packet_tx_worker, wg_packet_decrypt_worker, wg_packet_encrypt_worker
workqueue wg-crypt-wg1: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-kex-wg2: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-kex-wg2: flags=0x124
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_tx_worker, wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg2: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_tx_worker, wg_packet_encrypt_worker
pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=37s workers=9 idle: 867 4470 4808 10 4896 4794 4888
pool 3: cpus=0 node=0 flags=0x0 nice=-20 hung=0s workers=2 idle: 11
pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=15s workers=6 idle: 24 26 4816
pool 8: cpus=0-1 flags=0x6 nice=0 hung=2s workers=12 manager: 5590
Showing backtraces of busy workers in stalled worker pools:
pool 2:
task:kworker/0:5     state:R  running task     stack:0     pid:4796  tgid:4796  ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: wg-crypt-wg0 wg_packet_encrypt_worker
Call trace:
 __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:775 (T)
 context_switch kernel/sched/core.c:5533 [inline]
 __schedule+0x135c/0x2b00 kernel/sched/core.c:7284
 preempt_schedule_common+0xd4/0x190 kernel/sched/core.c:7463
 preempt_schedule+0x60/0x78 kernel/sched/core.c:7487
 __kunmap_atomic include/linux/highmem-internal.h:247 [inline]
 sg_miter_stop+0x220/0x2cc lib/scatterlist.c:941
 chacha20poly1305_crypt_sg_inplace+0x75c/0xc30 lib/crypto/chacha20poly1305.c:319
 chacha20poly1305_encrypt_sg_inplace+0x54/0x70 lib/crypto/chacha20poly1305.c:340
 encrypt_packet drivers/net/wireguard/send.c:216 [inline]
 wg_packet_encrypt_worker+0x74c/0x1290 drivers/net/wireguard/send.c:297
 process_one_work kernel/workqueue.c:3396 [inline]
 process_scheduled_works+0x91c/0x1250 kernel/workqueue.c:3479
 worker_thread+0x798/0xbd0 kernel/workqueue.c:3560
 kthread+0x304/0x3d4 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854
pool 2:
task:kworker/0:0     state:R  running task     stack:0     pid:9     tgid:9     ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: wg-crypt-wg1 wg_packet_encrypt_worker
Call trace:
 __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:775 (T)
 context_switch kernel/sched/core.c:5533 [inline]
 __schedule+0x135c/0x2b00 kernel/sched/core.c:7284
 preempt_schedule_common+0xd4/0x190 kernel/sched/core.c:7463
 preempt_schedule kernel/sched/core.c:7487 [inline]
 class_preempt_destructor include/linux/preempt.h:496 [inline]
 try_to_wake_up+0x5f8/0xdc4 kernel/sched/core.c:4445
 wake_up_process+0x18/0x24 kernel/sched/core.c:4570
 process_one_work kernel/workqueue.c:3364 [inline]
 process_scheduled_works+0x744/0x1250 kernel/workqueue.c:3479
 worker_thread+0x798/0xbd0 kernel/workqueue.c:3560
 kthread+0x304/0x3d4 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854