bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P6264/1:b..l rcu: (detected by 0, t=10502 jiffies, g=17037, q=1939 ncpus=1) task:syz.1.63 state:R running task stack:24792 pid:6264 tgid:6261 ppid:5821 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5298 [inline] __schedule+0xfee/0x6120 kernel/sched/core.c:6911 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7238 irqentry_exit+0x17b/0x670 kernel/entry/common.c:239 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:238 [inline] RIP: 0010:unwind_next_frame+0x2ec/0x1ea0 arch/x86/kernel/unwind_orc.c:510 Code: 4f 8d 84 00 80 05 6f 91 49 81 f8 f2 ee 33 92 0f 87 62 09 00 00 29 ca 48 8d 3c bd 34 bf eb 90 4c 89 f9 48 89 c6 e8 34 f5 ff ff <48> 89 c1 48 85 c9 0f 85 c5 01 00 00 48 b8 00 00 00 00 00 fc ff df RSP: 0018:ffffc9000486f110 EFLAGS: 00000286 RAX: ffffffff918697a6 RBX: 0000000000000001 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff90fb75f8 RBP: ffffc9000486f1c8 R08: ffffffff918697ac R09: 0000000000000007 R10: 0000000000000200 R11: 000000000001694f R12: ffffc9000486f1d0 R13: ffffc9000486f180 R14: ffffc9000486f1b5 R15: ffffffff82694f26 arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 save_stack+0x162/0x1e0 mm/page_owner.c:165 __reset_page_owner+0x84/0x190 mm/page_owner.c:320 reset_page_owner include/linux/page_owner.h:25 [inline] __free_pages_prepare mm/page_alloc.c:1433 [inline] __free_frozen_pages+0x7e1/0x10d0 mm/page_alloc.c:2978 __folio_put+0x3b4/0x540 mm/swap.c:112 folio_put_refs include/linux/mm.h:1837 [inline] collapse_file+0x3537/0x3cc0 mm/khugepaged.c:2238 hpage_collapse_scan_file+0x603/0x1fc0 mm/khugepaged.c:2380 madvise_collapse+0x412/0xbe0 mm/khugepaged.c:2809 madvise_vma_behavior+0x1987/0x3050 mm/madvise.c:1370 madvise_walk_vmas+0x2fe/0xa90 mm/madvise.c:1719 madvise_do_behavior+0x1ea/0x510 mm/madvise.c:1935 do_madvise+0x195/0x240 mm/madvise.c:2028 __do_sys_madvise mm/madvise.c:2037 [inline] __se_sys_madvise mm/madvise.c:2035 [inline] __x64_sys_madvise+0xa9/0x110 mm/madvise.c:2035 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa79a19c819 RSP: 002b:00007fa79af83028 EFLAGS: 00000246 ORIG_RAX: 000000000000001c RAX: ffffffffffffffda RBX: 00007fa79a416090 RCX: 00007fa79a19c819 RDX: 0000000000000019 RSI: 0000000000200007 RDI: 0000000000000000 RBP: 00007fa79a232c91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa79a416128 R14: 00007fa79a416090 R15: 00007ffd7873d3d8 net_ratelimit: 11677 callbacks suppressed bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:46:1e:b0:d3:33:9d, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:46:1e:b0:d3:33:9d, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:46:1e:b0:d3:33:9d, 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) net_ratelimit: 13216 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:46:1e:b0:d3:33:9d, 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:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:46:1e:b0:d3:33:9d, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, 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:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)