BUG: workqueue lockup - pool cpus=0 node=0 flags=0x2 nice=0 stuck for 30s! Showing busy workqueues and worker pools: workqueue events: flags=0x100 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=22 refcnt=23 in-flight: 11:nsim_fib_event_work for 74s nsim_fib_event_work ,5002:nsim_fib_event_work for 33s ,4940:nsim_fib_event_work for 68s nsim_fib_event_work ,4960:nsim_fib_event_work for 33s pending: 4*nsim_dev_hwstats_traffic_work, vmstat_shepherd, psi_avgs_work, nsim_fib_event_work, 2*psi_avgs_work, 5*ovs_dp_masks_rebalance, nsim_fib_event_work, delayed_vfree_work pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=8 refcnt=9 pending: 5*ovs_dp_masks_rebalance, free_obj_work, psi_avgs_work, drm_fb_helper_damage_work workqueue events_long: flags=0x100 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=7 refcnt=8 pending: 7*defense_work_handler pwq 6: cpus=1 node=0 flags=0x2 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=2 refcnt=3 in-flight: 1101:cfg80211_wiphy_work for 65s cfg80211_wiphy_work pwq 8: cpus=0-1 flags=0x6 nice=0 active=16 refcnt=17 in-flight: 1275:cfg80211_wiphy_work for 69s cfg80211_wiphy_work ,1816:cfg80211_wiphy_work for 73s cfg80211_wiphy_work ,1779:cfg80211_wiphy_work for 64s cfg80211_wiphy_work ,853:cfg80211_wiphy_work for 69s cfg80211_wiphy_work ,1486:cfg80211_wiphy_work for 73s cfg80211_wiphy_work pending: 2*nsim_dev_trap_report_work, flush_memcg_stats_dwork, 2*nsim_dev_trap_report_work, toggle_allocation_gate workqueue events_power_efficient: flags=0x82 pwq 8: cpus=0-1 flags=0x6 nice=0 active=6 refcnt=7 in-flight: 1891:gc_worker for 1s ,14:reg_check_chans_work for 2s pending: wg_ratelimiter_gc_entries, neigh_periodic_work, do_cache_clean, fb_flashcursor workqueue netns: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=4 in-flight: 12:cleanup_net for 77s workqueue mm_percpu_wq: flags=0x108 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=4 MAYDAY pending: vmstat_update pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=3 MAYDAY pending: vmstat_update workqueue writeback: flags=0x4a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=4 MAYDAY in-flight: 33(RESCUER):wb_workfn for 62s workqueue mld: flags=0x40108 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=52 MAYDAY in-flight: 1034:mld_ifc_work for 30s inactive: mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, 6*mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, mld_ifc_work, 34*mld_dad_work workqueue ipv6_addrconf: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=222 MAYDAY in-flight: 1864:addrconf_dad_work for 21s inactive: 156*addrconf_dad_work, addrconf_verify_work, 59*addrconf_dad_work workqueue bat_events: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=51 MAYDAY in-flight: 2856(RESCUER):batadv_tt_purge for 14s inactive: 3*batadv_tt_purge, 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, batadv_dat_purge, batadv_bla_periodic_work, batadv_iv_send_outstanding_bat_ogm_packet, 6*batadv_mcast_mla_update, 2*batadv_iv_send_outstanding_bat_ogm_packet, 3*batadv_purge_orig, 7*batadv_iv_send_outstanding_bat_ogm_packet, 2*batadv_purge_orig, 2*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 4*batadv_iv_send_outstanding_bat_ogm_packet, 2*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=0x2 nice=0 active=4 refcnt=5 in-flight: 4939:wg_packet_tx_worker for 57s wg_packet_tx_worker pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=3 refcnt=6 MAYDAY pending: wg_packet_decrypt_worker, wg_packet_tx_worker, wg_packet_encrypt_worker workqueue wg-kex-wg1: flags=0x124 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg1: flags=0x128 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=2 refcnt=5 MAYDAY pending: mayday_cursor_func, wg_packet_tx_worker, wg_packet_encrypt_worker pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=2 refcnt=4 MAYDAY pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker workqueue wg-kex-wg2: flags=0x124 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=2 refcnt=3 in-flight: 4999:wg_packet_handshake_receive_worker for 34s pending: wg_packet_handshake_receive_worker pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=2 refcnt=3 in-flight: 26:wg_packet_handshake_receive_worker for 9s pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg2: flags=0x128 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=2 refcnt=4 pending: wg_packet_tx_worker, wg_packet_encrypt_worker pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=3 MAYDAY pending: wg_packet_encrypt_worker workqueue wg-crypt-wg0: flags=0x128 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=3 refcnt=4 pending: wg_packet_tx_worker, wg_packet_encrypt_worker, wg_packet_decrypt_worker pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=2 refcnt=5 MAYDAY pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker workqueue wg-kex-wg1: flags=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 in-flight: 39:wg_packet_handshake_send_worker for 3s workqueue wg-crypt-wg1: flags=0x128 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=3 refcnt=6 MAYDAY pending: wg_packet_tx_worker, wg_packet_decrypt_worker, wg_packet_encrypt_worker pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=3 MAYDAY pending: wg_packet_encrypt_worker workqueue wg-kex-wg2: flags=0x124 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=2 refcnt=3 in-flight: 4818:wg_packet_handshake_receive_worker for 30s pending: wg_packet_handshake_receive_worker pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=2 in-flight: 4337:wg_packet_handshake_receive_worker for 1s workqueue wg-crypt-wg2: flags=0x128 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=3 refcnt=6 MAYDAY pending: wg_packet_decrypt_worker, wg_packet_tx_worker, wg_packet_encrypt_worker pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=3 MAYDAY pending: wg_packet_encrypt_worker workqueue wg-kex-wg0: flags=0x124 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg0: flags=0x128 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=3 refcnt=4 pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=2 refcnt=5 MAYDAY pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker workqueue wg-kex-wg1: flags=0x124 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg1: flags=0x128 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=2 refcnt=5 MAYDAY pending: mayday_cursor_func, wg_packet_encrypt_worker, wg_packet_decrypt_worker pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=2 refcnt=4 MAYDAY pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker workqueue wg-kex-wg2: flags=0x124 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=2 refcnt=3 in-flight: 867:wg_packet_handshake_receive_worker for 4s pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg2: flags=0x128 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=3 refcnt=6 MAYDAY pending: wg_packet_decrypt_worker, wg_packet_tx_worker, wg_packet_encrypt_worker pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=3 MAYDAY pending: wg_packet_encrypt_worker workqueue wg-kex-wg0: flags=0x124 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg0: flags=0x128 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=3 refcnt=6 MAYDAY pending: wg_packet_tx_worker, wg_packet_encrypt_worker, wg_packet_decrypt_worker pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=3 refcnt=5 MAYDAY pending: wg_packet_tx_worker, wg_packet_decrypt_worker, wg_packet_encrypt_worker workqueue wg-kex-wg1: flags=0x124 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg1: flags=0x128 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=3 refcnt=6 MAYDAY pending: wg_packet_decrypt_worker, wg_packet_tx_worker, wg_packet_encrypt_worker pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=3 MAYDAY pending: wg_packet_encrypt_worker workqueue wg-kex-wg2: flags=0x124 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=2 refcnt=3 in-flight: 4951:wg_packet_handshake_receive_worker for 30s pending: wg_packet_handshake_receive_worker pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=2 refcnt=3 in-flight: 4864:wg_packet_handshake_receive_worker for 27s pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg2: flags=0x128 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=4 MAYDAY pending: mayday_cursor_func, wg_packet_encrypt_worker pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=3 MAYDAY pending: wg_packet_encrypt_worker pool 2: cpus=0 node=0 flags=0x2 nice=0 hung=30s workers=10 manager: 9 pool 6: cpus=1 node=0 flags=0x2 nice=0 hung=1s workers=5 manager: 24 pool 8: cpus=0-1 flags=0x6 nice=0 hung=1s workers=12 manager: 40 Showing backtraces of busy workers in stalled worker pools: pool 2: task:kworker/0:1 state:R running task stack:0 pid:11 tgid:11 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: events nsim_fib_event_work Call trace: __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:775 (T) context_switch kernel/sched/core.c:5510 [inline] __schedule+0x1370/0x2d80 kernel/sched/core.c:7234 __schedule_loop kernel/sched/core.c:7311 [inline] schedule+0x13c/0x20c kernel/sched/core.c:7326 schedule_timeout+0x13c/0x28c kernel/time/sleep_timeout.c:99 schedule_timeout_uninterruptible+0x78/0xbc kernel/time/sleep_timeout.c:158 msleep+0x3c/0x68 kernel/time/sleep_timeout.c:318 nsim_fib6_rt_add drivers/net/netdevsim/fib.c:693 [inline] nsim_fib6_rt_insert drivers/net/netdevsim/fib.c:759 [inline] nsim_fib6_event drivers/net/netdevsim/fib.c:856 [inline] nsim_fib_event+0x57a0/0x60c4 drivers/net/netdevsim/fib.c:889 nsim_fib_event_work+0x1d8/0x320 drivers/net/netdevsim/fib.c:1493 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842 pool 2: task:kworker/0:2 state:R running task stack:0 pid:1034 tgid:1034 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: mld mld_ifc_work Call trace: __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:775 (T) context_switch kernel/sched/core.c:5510 [inline] __schedule+0x1370/0x2d80 kernel/sched/core.c:7234 preempt_schedule_common+0xd4/0x190 kernel/sched/core.c:7413 preempt_schedule+0x60/0x78 kernel/sched/core.c:7437 __local_bh_enable_ip+0x20c/0x35c kernel/softirq.c:457 __raw_read_unlock_bh include/linux/rwlock_api_smp.h:283 [inline] _raw_read_unlock_bh+0x3c/0x4c kernel/locking/spinlock.c:288 ipv6_get_lladdr+0x284/0x3c0 net/ipv6/addrconf.c:1951 mld_newpack+0x368/0x7b0 net/ipv6/mcast.c:1803 add_grhead+0x6c/0x260 net/ipv6/mcast.c:1900 add_grec+0xf9c/0x1214 net/ipv6/mcast.c:2039 mld_send_cr net/ipv6/mcast.c:2164 [inline] mld_ifc_work+0x620/0x9e4 net/ipv6/mcast.c:2710 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842 pool 2: task:kworker/0:8 state:R running task stack:0 pid:4999 tgid:4999 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: wg-kex-wg2 wg_packet_handshake_receive_worker Call trace: __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:775 (T) context_switch kernel/sched/core.c:5510 [inline] __schedule+0x1370/0x2d80 kernel/sched/core.c:7234 preempt_schedule_common+0xd4/0x190 kernel/sched/core.c:7413 preempt_schedule+0x60/0x78 kernel/sched/core.c:7437 __local_bh_enable_ip+0x20c/0x35c kernel/softirq.c:457 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:914 [inline] mod_peer_timer+0x21c/0x25c drivers/net/wireguard/timers.c:38 wg_timers_session_derived+0x5c/0x6c drivers/net/wireguard/timers.c:208 wg_packet_send_handshake_response+0x118/0x264 drivers/net/wireguard/send.c:98 wg_receive_handshake_packet drivers/net/wireguard/receive.c:154 [inline] wg_packet_handshake_receive_worker+0x570/0xcf8 drivers/net/wireguard/receive.c:213 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842 pool 2: task:kworker/0:3 state:R running task stack:0 pid:4818 tgid:4818 ppid:2 task_flags:0x4208060 flags:0x20000010 Workqueue: wg-kex-wg2 wg_packet_handshake_receive_worker Call trace: __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:775 (T) context_switch kernel/sched/core.c:5510 [inline] __schedule+0x1370/0x2d80 kernel/sched/core.c:7234 preempt_schedule_common+0xd4/0x190 kernel/sched/core.c:7413 preempt_schedule+0x60/0x78 kernel/sched/core.c:7437 __local_bh_enable_ip+0x20c/0x35c kernel/softirq.c:457 local_bh_enable include/linux/bottom_half.h:33 [inline] put_cpu_fpsimd_context arch/arm64/kernel/fpsimd.c:251 [inline] kernel_neon_begin+0x29c/0x400 arch/arm64/kernel/fpsimd.c:1940 class_ksimd_constructor arch/arm64/include/asm/simd.h:48 [inline] poly1305_blocks+0x110/0x204 lib/crypto/arm64/poly1305.h:30 poly1305_update+0x168/0x39c lib/crypto/poly1305.c:59 __chacha20poly1305_decrypt+0x240/0x39c lib/crypto/chacha20poly1305.c:151 chacha20poly1305_decrypt+0x238/0x5e4 lib/crypto/chacha20poly1305.c:186 message_decrypt+0x50/0x90 drivers/net/wireguard/noise.c:477 wg_noise_handshake_consume_initiation+0x1a0/0x53c drivers/net/wireguard/noise.c:612 wg_receive_handshake_packet drivers/net/wireguard/receive.c:144 [inline] wg_packet_handshake_receive_worker+0x54c/0xcf8 drivers/net/wireguard/receive.c:213 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842 pool 2: task:kworker/0:9 state:R running task stack:0 pid:5002 tgid:5002 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: events nsim_fib_event_work Call trace: __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:775 (T) context_switch kernel/sched/core.c:5510 [inline] __schedule+0x1370/0x2d80 kernel/sched/core.c:7234 preempt_schedule_common+0xd4/0x190 kernel/sched/core.c:7413 preempt_schedule+0x60/0x78 kernel/sched/core.c:7437 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline] _raw_spin_unlock_irqrestore+0x94/0x98 kernel/locking/spinlock.c:198 spin_unlock_irqrestore include/linux/spinlock.h:408 [inline] __slab_free+0x194/0x1d0 mm/slub.c:5739 ___cache_free+0x80/0x94 mm/slub.c:6449 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0xb4/0x120 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x118/0x124 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x2c/0x88 mm/kasan/common.c:350 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4584 [inline] slab_alloc_node mm/slub.c:4917 [inline] __kmalloc_cache_noprof+0x268/0x5ec mm/slub.c:5485 _kmalloc_noprof include/linux/slab.h:988 [inline] _kzalloc_noprof include/linux/slab.h:1309 [inline] nsim_fib6_rt_nh_add+0x64/0x214 drivers/net/netdevsim/fib.c:500 nsim_fib6_rt_create drivers/net/netdevsim/fib.c:562 [inline] nsim_fib6_rt_insert drivers/net/netdevsim/fib.c:752 [inline] nsim_fib6_event drivers/net/netdevsim/fib.c:856 [inline] nsim_fib_event+0xb08/0x60c4 drivers/net/netdevsim/fib.c:889 nsim_fib_event_work+0x1d8/0x320 drivers/net/netdevsim/fib.c:1493 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842 pool 2: task:kworker/0:5 state:R running task stack:0 pid:4940 tgid:4940 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: events nsim_fib_event_work Call trace: __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:775 (T) context_switch kernel/sched/core.c:5510 [inline] __schedule+0x1370/0x2d80 kernel/sched/core.c:7234 __schedule_loop kernel/sched/core.c:7311 [inline] schedule+0x13c/0x20c kernel/sched/core.c:7326 schedule_timeout+0x13c/0x28c kernel/time/sleep_timeout.c:99 schedule_timeout_uninterruptible+0x78/0xbc kernel/time/sleep_timeout.c:158 msleep+0x3c/0x68 kernel/time/sleep_timeout.c:318 nsim_fib4_rt_add drivers/net/netdevsim/fib.c:369 [inline] nsim_fib4_rt_insert drivers/net/netdevsim/fib.c:432 [inline] nsim_fib4_event drivers/net/netdevsim/fib.c:464 [inline] nsim_fib_event+0x5564/0x60c4 drivers/net/netdevsim/fib.c:884 nsim_fib_event_work+0x1d8/0x320 drivers/net/netdevsim/fib.c:1493 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842 pool 2: task:kworker/0:6 state:R running task stack:0 pid:4951 tgid:4951 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: wg-kex-wg2 wg_packet_handshake_receive_worker Call trace: __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:775 (T) context_switch kernel/sched/core.c:5510 [inline] __schedule+0x1370/0x2d80 kernel/sched/core.c:7234 preempt_schedule_common+0xd4/0x190 kernel/sched/core.c:7413 preempt_schedule+0x60/0x78 kernel/sched/core.c:7437 __local_bh_enable_ip+0x20c/0x35c kernel/softirq.c:457 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:914 [inline] mod_peer_timer+0x21c/0x25c drivers/net/wireguard/timers.c:38 wg_timers_session_derived+0x5c/0x6c drivers/net/wireguard/timers.c:208 wg_packet_send_handshake_response+0x118/0x264 drivers/net/wireguard/send.c:98 wg_receive_handshake_packet drivers/net/wireguard/receive.c:154 [inline] wg_packet_handshake_receive_worker+0x570/0xcf8 drivers/net/wireguard/receive.c:213 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842 pool 2: task:kworker/0:7 state:R running task stack:0 pid:4960 tgid:4960 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: events nsim_fib_event_work Call trace: __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:775 (T) context_switch kernel/sched/core.c:5510 [inline] __schedule+0x1370/0x2d80 kernel/sched/core.c:7234 preempt_schedule_common+0xd4/0x190 kernel/sched/core.c:7413 preempt_schedule+0x60/0x78 kernel/sched/core.c:7437 __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:188 [inline] _raw_spin_unlock_irq+0x7c/0x80 kernel/locking/spinlock.c:206 wq_worker_sleeping+0x184/0x21c kernel/workqueue.c:-1 sched_submit_work kernel/sched/core.c:7277 [inline] schedule+0xdc/0x20c kernel/sched/core.c:7325 schedule_timeout+0x13c/0x28c kernel/time/sleep_timeout.c:99 schedule_timeout_uninterruptible+0x78/0xbc kernel/time/sleep_timeout.c:158 msleep+0x3c/0x68 kernel/time/sleep_timeout.c:318 nsim_fib6_rt_add drivers/net/netdevsim/fib.c:693 [inline] nsim_fib6_rt_insert drivers/net/netdevsim/fib.c:759 [inline] nsim_fib6_event drivers/net/netdevsim/fib.c:856 [inline] nsim_fib_event+0x57a0/0x60c4 drivers/net/netdevsim/fib.c:889 nsim_fib_event_work+0x1d8/0x320 drivers/net/netdevsim/fib.c:1493 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842 pool 2: task:kworker/0:4 state:R running task stack:0 pid:4939 tgid:4939 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: wg-crypt-wg0 wg_packet_tx_worker Call trace: __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:775 (T) context_switch kernel/sched/core.c:5510 [inline] __schedule+0x1370/0x2d80 kernel/sched/core.c:7234 preempt_schedule_common+0xd4/0x190 kernel/sched/core.c:7413 preempt_schedule+0x60/0x78 kernel/sched/core.c:7437 __local_bh_enable_ip+0x20c/0x35c kernel/softirq.c:457 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:914 [inline] mod_peer_timer+0x21c/0x25c drivers/net/wireguard/timers.c:38 wg_timers_any_authenticated_packet_traversal+0x98/0xc0 drivers/net/wireguard/timers.c:218 wg_packet_create_data_done drivers/net/wireguard/send.c:247 [inline] wg_packet_tx_worker+0x130/0x75c drivers/net/wireguard/send.c:276 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842