sched: DL replenish lagged too much
BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 32s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=6 refcnt=7
    pending: 2*nsim_dev_hwstats_traffic_work, vmstat_shepherd, 2*ovs_dp_masks_rebalance, psi_avgs_work
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=11 refcnt=12
    pending: 3*nsim_dev_hwstats_traffic_work, free_obj_work, 4*ovs_dp_masks_rebalance, psi_avgs_work, drm_fb_helper_damage_work, psi_avgs_work
workqueue events_long: flags=0x0
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    in-flight: 6841:defense_work_handler
    pending: 2*defense_work_handler
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: 3*defense_work_handler
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=12 refcnt=13
    in-flight: 2204:linkwatch_event ,42:cfg80211_wiphy_work cfg80211_wiphy_work ,6836:cfg80211_wiphy_work cfg80211_wiphy_work ,4712:nsim_dev_trap_report_work
    pending: nsim_dev_trap_report_work, toggle_allocation_gate, 3*nsim_dev_trap_report_work, flush_memcg_stats_dwork
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=4 refcnt=5
    in-flight: 735:cfg80211_wiphy_work cfg80211_wiphy_work ,41:cfg80211_wiphy_work cfg80211_wiphy_work
workqueue events_power_efficient: flags=0x82
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=4 refcnt=5
    in-flight: 6837:neigh_periodic_work
    pending: wg_ratelimiter_gc_entries, do_cache_clean, fb_flashcursor
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    in-flight: 12:crda_timeout_work
workqueue kvfree_rcu_reclaim: flags=0xa
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=2 refcnt=4 MAYDAY
    pending: 2*kfree_rcu_monitor
workqueue mm_percpu_wq: flags=0x8
  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=1 refcnt=2
    in-flight: 6838:wb_workfn
workqueue kblockd: flags=0x18
  pwq 3: cpus=0 node=0 flags=0x0 nice=-20 active=1 refcnt=2
    pending: blk_mq_timeout_work
workqueue mld: flags=0x40008
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=134
    in-flight: 6791:mld_ifc_work
    inactive: mld_ifc_work, 2*mld_dad_work, 10*mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, 2*mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, 6*mld_ifc_work, mld_dad_work, 11*mld_ifc_work, mld_dad_work, 4*mld_ifc_work, 3*mld_dad_work, mld_ifc_work, 3*mld_dad_work, 2*mld_ifc_work, 3*mld_dad_work, mld_ifc_work, mld_dad_work, 3*mld_ifc_work, 2*mld_dad_work, 7*mld_ifc_work, mld_dad_work, 4*mld_ifc_work, mld_dad_work, mld_ifc_work, 2*mld_dad_work, 2*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, mld_dad_work, 7*mld_ifc_work, 3*mld_dad_work, mld_ifc_work, 2*mld_dad_work, 12*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, mld_dad_work, 16*mld_ifc_work
workqueue ipv6_addrconf: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=391
    in-flight: 4750:addrconf_dad_work
    inactive: 387*addrconf_dad_work
workqueue bat_events: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=44
    in-flight: 4280(RESCUER):batadv_tt_purge
    inactive: batadv_tt_purge, batadv_mcast_mla_update, batadv_purge_orig, batadv_tt_purge, batadv_mcast_mla_update, 2*batadv_purge_orig, batadv_mcast_mla_update, batadv_purge_orig, batadv_tt_purge, 2*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 9*batadv_iv_send_outstanding_bat_ogm_packet, 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, batadv_bla_periodic_work, 5*batadv_nc_worker, 2*batadv_mcast_mla_update
workqueue udp_tunnel_nic: flags=0x20002
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=7
    in-flight: 249:udp_tunnel_nic_device_sync_work
    inactive: 3*udp_tunnel_nic_device_sync_work
workqueue wg-kex-wg0: flags=0x24
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-crypt-wg0: flags=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-kex-wg1: flags=0x24
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-crypt-wg1: flags=0x28
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_decrypt_worker, wg_packet_tx_worker, wg_packet_encrypt_worker
workqueue wg-kex-wg2: flags=0x24
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    in-flight: 1833: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=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_tx_worker, wg_packet_decrypt_worker, 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=0x28
  pwq 6: cpus=1 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=2 refcnt=3
    in-flight: 6839:wg_packet_handshake_send_worker ,15:wg_packet_handshake_send_worker
workqueue wg-crypt-wg1: flags=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_decrypt_worker, wg_packet_tx_worker, wg_packet_encrypt_worker
workqueue wg-crypt-wg2: flags=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=4 refcnt=5
    in-flight: 24:wg_packet_encrypt_worker
    pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker
pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=1s workers=6 idle: 11 6657 9 6576
pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=32s workers=7 idle: 26 2334 6676 6797 6674
pool 8: cpus=0-1 flags=0x6 nice=0 hung=0s workers=14 manager: 6840
Showing backtraces of running workers in stalled CPU-bound worker pools:
pool 6:
task:kworker/1:5     state:R  running task     stack:0     pid:6791  tgid:6791  ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: mld mld_ifc_work
Call trace:
 __switch_to+0x418/0x87c arch/arm64/kernel/process.c:741 (T)
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x13b0/0x2864 kernel/sched/core.c:6961
 preempt_schedule_common+0xe0/0x194 kernel/sched/core.c:7145
 preempt_schedule+0x60/0x80 kernel/sched/core.c:7169
 __local_bh_enable_ip+0x20c/0x35c kernel/softirq.c:414
 __raw_read_unlock_bh include/linux/rwlock_api_smp.h:257 [inline]
 _raw_read_unlock_bh+0x3c/0x4c kernel/locking/spinlock.c:284
 ipv6_get_lladdr+0x26c/0x3a4 net/ipv6/addrconf.c:1942
 mld_newpack+0x340/0xa28 net/ipv6/mcast.c:1794
 add_grhead+0x6c/0x25c net/ipv6/mcast.c:1891
 add_grec+0x1120/0x13c8 net/ipv6/mcast.c:2030
 mld_send_cr net/ipv6/mcast.c:2153 [inline]
 mld_ifc_work+0x628/0xc38 net/ipv6/mcast.c:2698
 process_one_work+0x7e8/0x155c kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3400
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844
pool 6:
task:kworker/1:0     state:R  running task     stack:0     pid:24    tgid:24    ppid:2      task_flags:0x4208060 flags:0x20000010
Workqueue: wg-crypt-wg2 wg_packet_encrypt_worker
Call trace:
 __switch_to+0x418/0x87c arch/arm64/kernel/process.c:741 (T)
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x13b0/0x2864 kernel/sched/core.c:6961
 preempt_schedule_common+0xe0/0x194 kernel/sched/core.c:7145
 preempt_schedule+0x60/0x80 kernel/sched/core.c:7169
 __local_bh_enable_ip+0x20c/0x35c kernel/softirq.c:414
 local_bh_enable+0x28/0x34 include/linux/bottom_half.h:33
 put_cpu_fpsimd_context arch/arm64/kernel/fpsimd.c:244 [inline]
 kernel_neon_begin+0x29c/0x484 arch/arm64/kernel/fpsimd.c:1877
 poly1305_blocks_arch+0xb8/0x190 lib/crypto/arm64/poly1305-glue.c:41
 poly1305_blocks lib/crypto/poly1305.c:37 [inline]
 poly1305_update+0xd0/0x188 lib/crypto/poly1305.c:45
 chacha20poly1305_crypt_sg_inplace+0x6b8/0xbc0 lib/crypto/chacha20poly1305.c:304
 chacha20poly1305_encrypt_sg_inplace+0x54/0x70 lib/crypto/chacha20poly1305.c:340
 encrypt_packet drivers/net/wireguard/send.c:216 [inline]
 wg_packet_encrypt_worker+0x718/0x11e0 drivers/net/wireguard/send.c:297
 process_one_work+0x7e8/0x155c kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3400
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844