bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P10048/1:b..l rcu: (detected by 1, t=10502 jiffies, g=40317, q=1172 ncpus=2) task:syz.4.835 state:R running task stack:26904 pid:10048 tgid:10028 ppid:9110 task_flags:0x400140 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5357 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6961 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7288 irqentry_exit+0x36/0x90 kernel/entry/common.c:197 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_acquire+0x62/0x350 kernel/locking/lockdep.c:5872 Code: dd 3d 12 83 f8 07 0f 87 bc 02 00 00 89 c0 48 0f a3 05 e2 cf 13 0f 0f 82 74 02 00 00 8b 35 8a 01 14 0f 85 f6 0f 85 8d 00 00 00 <48> 8b 44 24 30 65 48 2b 05 39 dd 3d 12 0f 85 c7 02 00 00 48 83 c4 RSP: 0018:ffffc9000456eea8 EFLAGS: 00000206 RAX: 0000000000000046 RBX: ffffffff8e5c0fe0 RCX: 00000000d3addaf6 RDX: 0000000000000000 RSI: ffffffff8de23985 RDI: ffffffff8c161580 RBP: 0000000000000002 R08: 328b0d0cf36cb5da R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:331 [inline] rcu_read_lock include/linux/rcupdate.h:841 [inline] class_rcu_constructor include/linux/rcupdate.h:1155 [inline] unwind_next_frame+0xd1/0x20a0 arch/x86/kernel/unwind_orc.c:479 arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 save_stack+0x160/0x1f0 mm/page_owner.c:156 __reset_page_owner+0x84/0x1a0 mm/page_owner.c:308 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1395 [inline] free_unref_folios+0xa61/0x16b0 mm/page_alloc.c:2952 folios_put_refs+0x56f/0x740 mm/swap.c:997 free_pages_and_swap_cache+0x245/0x4a0 mm/swap_state.c:264 __tlb_batch_free_encoded_pages+0xf9/0x290 mm/mmu_gather.c:136 tlb_batch_pages_flush mm/mmu_gather.c:149 [inline] tlb_flush_mmu_free mm/mmu_gather.c:397 [inline] tlb_flush_mmu mm/mmu_gather.c:404 [inline] tlb_finish_mmu+0x168/0x7c0 mm/mmu_gather.c:497 vms_clear_ptes+0x55e/0x770 mm/vma.c:1235 vms_clean_up_area mm/vma.c:1247 [inline] __mmap_prepare mm/vma.c:2396 [inline] __mmap_region+0x5e1/0x27b0 mm/vma.c:2651 mmap_region+0x1ab/0x3f0 mm/vma.c:2739 do_mmap+0xa3e/0x1210 mm/mmap.c:558 vm_mmap_pgoff+0x29e/0x470 mm/util.c:580 ksys_mmap_pgoff+0x7d/0x5c0 mm/mmap.c:604 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline] __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x490 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2d0078ebe9 RSP: 002b:00007f2d01511038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f2d009b6270 RCX: 00007f2d0078ebe9 RDX: 00000000000000df RSI: 0000000000400008 RDI: 0000000000000000 RBP: 00007f2d00811e19 R08: 0000000000000002 R09: 0000000000008000 R10: 0000000000009b72 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f2d009b6308 R14: 00007f2d009b6270 R15: 00007ffc5b9e5b38 net_ratelimit: 16075 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) net_ratelimit: 15687 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) net_ratelimit: 15624 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) net_ratelimit: 15599 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) net_ratelimit: 14526 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) net_ratelimit: 14537 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) net_ratelimit: 14640 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:2e:07:c2:19:03, vlan:0)