rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P22103/1:b..l rcu: (detected by 0, t=10502 jiffies, g=166289, q=889420 ncpus=2) task:kworker/0:2 state:R running task stack:21960 pid:22103 tgid:22103 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: wg-kex-wg2 wg_packet_handshake_receive_worker Call Trace: context_switch kernel/sched/core.c:5526 [inline] __schedule+0x1259/0x6920 kernel/sched/core.c:7277 preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:7599 irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:468 [inline] irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline] irqentry_exit+0x205/0xa10 kernel/entry/common.c:167 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:__reset_page_owner+0x72/0x190 mm/page_owner.c:339 Code: 00 00 fc ff df 49 01 df 49 8d 7f 08 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 0e 01 00 00 48 89 df 45 8b 7f 08 <0f> b7 dd e8 56 64 01 00 bf 00 20 00 00 e8 0c ce ff ff 4c 89 e7 4c RSP: 0018:ffffc90005c2f798 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff88801dd56a80 RCX: 0000000000000000 RDX: 1ffff11003baad52 RSI: ffffffff828a4b4c RDI: ffff88801dd56a80 RBP: 0000000000000002 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffffea0000d12200 R13: 0000015c2536fbfa R14: 0000000000000002 R15: 0000000003be0670 reset_page_owner include/linux/page_owner.h:26 [inline] __free_pages_prepare mm/page_alloc.c:1418 [inline] __free_frozen_pages+0x79f/0x10f0 mm/page_alloc.c:2962 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x47/0xf0 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x1a0/0x1f0 mm/kasan/quarantine.c:286 __kasan_kmalloc+0x8a/0xb0 mm/kasan/common.c:406 kasan_kmalloc include/linux/kasan.h:263 [inline] __kmalloc_cache_noprof+0x2f8/0x6d0 mm/slub.c:5563 _kmalloc_noprof include/linux/slab.h:991 [inline] _kzalloc_noprof include/linux/slab.h:1312 [inline] keypair_create drivers/net/wireguard/noise.c:100 [inline] wg_noise_handshake_begin_session+0xe5/0xe40 drivers/net/wireguard/noise.c:827 wg_packet_send_handshake_response+0x219/0x310 drivers/net/wireguard/send.c:96 wg_receive_handshake_packet+0x7dd/0xc20 drivers/net/wireguard/receive.c:154 wg_packet_handshake_receive_worker+0x15e/0x370 drivers/net/wireguard/receive.c:213 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3396 process_scheduled_works kernel/workqueue.c:3479 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3560 kthread+0x373/0x450 kernel/kthread.c:436 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245