bridge0: received packet on veth0_to_bridge with own address as source address (addr:8e:fe:ce:69:b8:d5, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5948/1:b..l rcu: (detected by 0, t=10503 jiffies, g=56037, q=700 ncpus=2) task:kworker/1:4 state:R running task stack:21400 pid:5948 tgid:5948 ppid:2 task_flags:0x4208060 flags:0x00004000 Workqueue: events key_garbage_collector Call Trace: context_switch kernel/sched/core.c:5396 [inline] __schedule+0x116a/0x5de0 kernel/sched/core.c:6785 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7108 irqentry_exit+0x36/0x90 kernel/entry/common.c:307 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:debug_lockdep_rcu_enabled+0x28/0x40 kernel/rcu/update.c:320 Code: 90 90 f3 0f 1e fa 8b 05 e6 00 28 05 85 c0 74 20 8b 05 e0 31 28 05 85 c0 74 16 65 48 8b 05 a8 be 4c 08 8b 80 ec 0a 00 00 85 c0 <0f> 94 c0 0f b6 c0 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f RSP: 0018:ffffc900041ef7e8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffffea0001e1efc0 RCX: 00000000ca278802 RDX: 0000000000000000 RSI: ffffffff8ddf4863 RDI: ffffffff8c157a20 RBP: 00000000000000ff R08: 6ead3aa3347ae344 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 rcu_read_lock include/linux/rcupdate.h:842 [inline] __page_table_check_zero+0x142/0x5d0 mm/page_table_check.c:138 page_table_check_free include/linux/page_table_check.h:43 [inline] free_pages_prepare mm/page_alloc.c:1249 [inline] __free_frozen_pages+0x7df/0x1180 mm/page_alloc.c:2706 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x4d/0x120 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4148 [inline] slab_alloc_node mm/slub.c:4197 [inline] __kmalloc_cache_noprof+0x1f1/0x3e0 mm/slub.c:4354 kmalloc_noprof include/linux/slab.h:905 [inline] kzalloc_noprof include/linux/slab.h:1039 [inline] assoc_array_gc+0x3dd/0x15b0 lib/assoc_array.c:1508 keyring_gc+0x1b5/0x2e0 security/keys/keyring.c:1743 key_garbage_collector+0x760/0x960 security/keys/gc.c:358 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3321 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402 kthread+0x3c2/0x780 kernel/kthread.c:464 ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 bridge0: received packet on veth0_to_bridge with own address as source address (addr:8e:fe:ce:69:b8:d5, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:8e:fe:ce:69:b8:d5, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:8e:fe:ce:69:b8:d5, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:8e:fe:ce:69:b8:d5, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:8e:fe:ce:69:b8:d5, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:8e:fe:ce:69:b8:d5, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:8e:fe:ce:69:b8:d5, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:8e:fe:ce:69:b8:d5, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:8e:fe:ce:69:b8:d5, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:8e:fe:ce:69:b8:d5, vlan:0)