bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:34:cb:77:0e:f9, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:34:cb:77:0e:f9, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P17427/1:b..l rcu: (detected by 0, t=10502 jiffies, g=89877, q=557 ncpus=1) task:syz.4.2209 state:R running task stack:27656 pid:17427 tgid:17424 ppid:9201 task_flags:0x40054c flags:0x00004000 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:kasan_byte_accessible+0x1d/0x30 mm/kasan/generic.c:202 Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 b8 00 00 00 00 00 fc ff df 48 c1 ef 03 48 01 c7 0f b6 07 3c 07 0f 96 c0 be 5a 74 09 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 RSP: 0018:ffffc9000bff7178 EFLAGS: 00000297 RAX: 0000000000000001 RBX: ffffffff8e5c1420 RCX: 0000000000000002 RDX: 0000000000000000 RSI: ffffffff816ab581 RDI: fffffbfff1cb8284 RBP: ffffffff8e5c1420 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 00000000000061b3 R12: ffffffff816ab581 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 __kasan_check_byte+0x13/0x50 mm/kasan/common.c:567 kasan_check_byte include/linux/kasan.h:399 [inline] lock_acquire kernel/locking/lockdep.c:5842 [inline] lock_acquire+0xfc/0x350 kernel/locking/lockdep.c:5825 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:999 free_pages_and_swap_cache+0x3f0/0x4a0 mm/swap_state.c:267 __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 exit_mmap+0x403/0xb90 mm/mmap.c:1293 __mmput+0x12a/0x410 kernel/fork.c:1129 mmput+0x62/0x70 kernel/fork.c:1152 exit_mm kernel/exit.c:582 [inline] do_exit+0x7c7/0x2bf0 kernel/exit.c:949 do_group_exit+0xd3/0x2a0 kernel/exit.c:1102 get_signal+0x2673/0x26d0 kernel/signal.c:3034 arch_do_signal_or_restart+0x8f/0x790 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop+0x84/0x110 kernel/entry/common.c:40 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline] do_syscall_64+0x41c/0x4c0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc9e378eec9 RSP: 002b:00007fc9e45ba0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007fc9e39e5fa8 RCX: 00007fc9e378eec9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc9e39e5fa8 RBP: 00007fc9e39e5fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc9e39e6038 R14: 00007fffda8d2950 R15: 00007fffda8d2a38 net_ratelimit: 20020 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:34:cb:77:0e:f9, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:34:cb:77:0e:f9, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:34:cb:77:0e:f9, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:34:cb:77:0e:f9, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:34:cb:77:0e:f9, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:34:cb:77:0e:f9, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:34:cb:77:0e:f9, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:34:cb:77:0e:f9, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:34:cb:77:0e:f9, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:34:cb:77:0e:f9, vlan:0) net_ratelimit: 20900 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:34:cb:77:0e:f9, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:34:cb:77:0e:f9, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:34:cb:77:0e:f9, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:34:cb:77:0e:f9, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:34:cb:77:0e:f9, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:34:cb:77:0e:f9, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:34:cb:77:0e:f9, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:34:cb:77:0e:f9, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:34:cb:77:0e:f9, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:34:cb:77:0e:f9, vlan:0)