sched: DL replenish lagged too much
BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 34s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x100
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=8 refcnt=9
    pending: 3*nsim_dev_hwstats_traffic_work, 2*psi_avgs_work, vmstat_shepherd, psi_avgs_work, ovs_dp_masks_rebalance
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=13 refcnt=14
    in-flight: 26:request_firmware_work_func for 87s
    pending: 4*nsim_dev_hwstats_traffic_work, 2*psi_avgs_work, 4*ovs_dp_masks_rebalance, free_obj_work, delayed_vfree_work
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=19 refcnt=20
    in-flight: 1251:cfg80211_wiphy_work for 36s ,95:cfg80211_wiphy_work for 35s ,6006:cfg80211_wiphy_work for 33s
    pending: 4*nsim_dev_trap_report_work, macvlan_process_broadcast, cfg80211_wiphy_work, nsim_dev_trap_report_work, cfg80211_wiphy_work, nsim_dev_trap_report_work, macvlan_process_broadcast, cfg80211_wiphy_work, 3*macvlan_process_broadcast, flush_memcg_stats_dwork, macvlan_process_broadcast
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=18 refcnt=19
    in-flight: 14:cfg80211_wiphy_work for 38s ,12:cfg80211_wiphy_work for 30s ,40:nsim_dev_trap_report_work for 34s ,1445:cfg80211_wiphy_work for 27s ,68:cfg80211_wiphy_work for 40s cfg80211_wiphy_work
    pending: 3*cfg80211_wiphy_work, toggle_allocation_gate, macvlan_process_broadcast, 2*cfg80211_wiphy_work, 3*macvlan_process_broadcast, cfg80211_wiphy_work, crng_reseed
workqueue events_power_efficient: flags=0x82
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=4 refcnt=5
    in-flight: 49:neigh_periodic_work for 38s
    pending: fb_flashcursor, wg_ratelimiter_gc_entries, neigh_periodic_work
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=4 refcnt=5
    pending: 2*neigh_managed_work, gc_worker, do_cache_clean
workqueue events_dfl_long: flags=0x2
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=5 refcnt=6
    pending: 5*defense_work_handler
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: 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=1 refcnt=2
    in-flight: 1368:wb_workfn for 37s
workqueue bat_events: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=37 MAYDAY
    in-flight: 2858(RESCUER):batadv_dat_purge for 5s
    pending: mayday_cursor_func
    inactive: batadv_bla_periodic_work, 3*batadv_iv_send_outstanding_bat_ogm_packet, 2*batadv_purge_orig, 3*batadv_tt_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, 2*batadv_dat_purge, batadv_bla_periodic_work, 4*batadv_mcast_mla_update, 6*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 2*batadv_iv_send_outstanding_bat_ogm_packet, 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 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=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=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_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 6: cpus=1 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-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 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-crypt-wg1: flags=0x128
  pwq 6: cpus=1 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-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 6: cpus=1 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-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 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-crypt-wg1: flags=0x128
  pwq 6: cpus=1 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-crypt-wg2: flags=0x128
  pwq 6: cpus=1 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-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 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-crypt-wg1: flags=0x128
  pwq 6: cpus=1 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-crypt-wg2: flags=0x128
  pwq 6: cpus=1 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-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 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=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=1 refcnt=2
    in-flight: 5079:wg_packet_encrypt_worker for 18s
  pwq 6: cpus=1 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-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 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker, wg_packet_tx_worker
pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=2s workers=7 idle: 4826 1155 10 4839 4825 9
pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=34s workers=8 idle: 866 4869 24 4717 4833 1091 4834
pool 8: cpus=0-1 flags=0x6 nice=0 hung=5s workers=11 manager: 1189
Showing backtraces of busy workers in stalled worker pools:
pool 6:
task:kworker/1:1     state:R  running task     stack:0     pid:26    tgid:26    ppid:2      task_flags:0x4288060 flags:0x00000010
Workqueue: events request_firmware_work_func
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_irq+0x74/0x174 kernel/sched/core.c:7606
 raw_irqentry_exit_cond_resched+0x30/0x40 kernel/entry/common.c:145
 irqentry_exit_to_kernel_mode_preempt+0x44/0x54 include/linux/irq-entry-common.h:468
 arm64_exit_to_kernel_mode_preempt+0x1c/0x38 arch/arm64/kernel/entry-common.c:107
 __el1_irq arch/arm64/kernel/entry-common.c:571 [inline]
 el1_interrupt+0x4c/0x60 arch/arm64/kernel/entry-common.c:581
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:586
 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:602
 qlink_free mm/kasan/quarantine.c:146 [inline] (P)
 qlist_free_all+0x94/0x120 mm/kasan/quarantine.c:179 (P)
 kasan_quarantine_reduce+0x118/0x124 mm/kasan/quarantine.c:286
 __kasan_kmalloc+0x2c/0xb4 mm/kasan/common.c:406
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __kmalloc_cache_noprof+0x2f4/0x5fc mm/slub.c:5563
 _kmalloc_noprof include/linux/slab.h:991 [inline]
 _kzalloc_noprof include/linux/slab.h:1312 [inline]
 kobject_uevent_env+0x250/0x944 lib/kobject_uevent.c:543
 kobject_uevent+0x2c/0x3c lib/kobject_uevent.c:659
 device_del+0x5f8/0x71c drivers/base/core.c:3983
 fw_load_sysfs_fallback drivers/base/firmware_loader/fallback.c:134 [inline]
 fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:172 [inline]
 firmware_fallback_sysfs+0x330/0x930 drivers/base/firmware_loader/fallback.c:248
 _request_firmware+0xb34/0xf5c drivers/base/firmware_loader/main.c:898
 request_firmware_work_func+0xa4/0x24c drivers/base/firmware_loader/main.c:1162
 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