bridge0: received packet on veth0_to_bridge with own address as source address (addr:d6:19:a9:55:79:36, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P38/2:b..l rcu: (detected by 0, t=10503 jiffies, g=62877, q=946 ncpus=2) task:khugepaged state:R running task stack:27608 pid:38 tgid:38 ppid:2 task_flags:0x200040 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5248 [inline] __schedule+0x1139/0x6150 kernel/sched/core.c:6855 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7182 irqentry_exit+0x1d8/0x8c0 kernel/entry/common.c:216 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:100 [inline] RIP: 0010:memory_is_nonzero mm/kasan/generic.c:115 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:140 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:172 [inline] RIP: 0010:check_region_inline mm/kasan/generic.c:191 [inline] RIP: 0010:kasan_check_range+0x150/0x1b0 mm/kasan/generic.c:200 Code: 11 80 38 00 74 ef 4d 8d 1c 2c 48 89 c2 48 85 c0 75 ad 48 89 da 4c 89 d8 4c 29 da e9 46 ff ff ff 48 85 d2 74 18 48 01 ea eb 09 <48> 83 c0 01 48 39 d0 74 0a 80 38 00 74 f2 e9 75 ff ff ff 5b b8 01 RSP: 0018:ffffc90000af7610 EFLAGS: 00000246 RAX: ffffed1003a414ff RBX: ffffed1003a41500 RCX: ffffffff8230a07c RDX: ffffed1003a41500 RSI: 0000000000000004 RDI: ffff88801d20a7f8 RBP: ffffed1003a414ff R08: 0000000000000000 R09: ffffed1003a414ff R10: ffff88801d20a7fb R11: 00000000bd7a3195 R12: ffff88801d20a7b0 R13: ffff88801d20a7ac R14: 0000000000000009 R15: dffffc0000000000 instrument_atomic_read include/linux/instrumented.h:68 [inline] atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline] __page_table_check_zero+0x22c/0x5d0 mm/page_table_check.c:142 page_table_check_free include/linux/page_table_check.h:43 [inline] free_pages_prepare mm/page_alloc.c:1395 [inline] __free_frozen_pages+0x7d0/0x1160 mm/page_alloc.c:2901 __folio_put+0x329/0x450 mm/swap.c:112 folio_put include/linux/mm.h:1425 [inline] folio_putback_lru+0xa0/0xd0 mm/vmscan.c:871 __collapse_huge_page_copy_succeeded mm/khugepaged.c:737 [inline] __collapse_huge_page_copy mm/khugepaged.c:809 [inline] collapse_huge_page+0x1ec5/0x3600 mm/khugepaged.c:1212 hpage_collapse_scan_pmd+0xd37/0x1410 mm/khugepaged.c:1412 khugepaged_scan_mm_slot mm/khugepaged.c:2469 [inline] khugepaged_do_scan mm/khugepaged.c:2553 [inline] khugepaged+0x1228/0x1690 mm/khugepaged.c:2609 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 net_ratelimit: 14112 callbacks suppressed bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:d6:19:a9:55:79:36, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:d6:19:a9:55:79:36, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:d6:19:a9:55:79:36, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:d6:19:a9:55:79:36, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:d6:19:a9:55:79:36, vlan:0)