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): P5949/2:b..l rcu: (detected by 0, t=10503 jiffies, g=10257, q=2039 ncpus=2) task:syz.2.10 state:R running task stack:26200 pid:5949 tgid:5948 ppid:5834 task_flags:0x400140 flags:0x00000006 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0x16e2/0x4cd0 kernel/sched/core.c:6767 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7090 irqentry_exit+0x6f/0x90 kernel/entry/common.c:354 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:xa_entry include/linux/xarray.h:1220 [inline] RIP: 0010:xas_reload+0xda/0x470 include/linux/xarray.h:1618 Code: 4d 8b 26 49 8d 1c df 48 83 c3 28 48 89 d8 48 c1 e8 03 80 3c 28 00 74 08 48 89 df e8 20 2d 2b 00 48 8b 1b e8 88 96 5f 09 89 c5 <31> ff 89 c6 e8 bd 3c c9 ff 85 ed 0f 84 a8 00 00 00 49 83 c4 18 4c RSP: 0018:ffffc900043af580 EFLAGS: 00000246 RAX: 0000000000000001 RBX: ffffea0001c0f8c0 RCX: ffff88807ea6da00 RDX: ffffc9000c839000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: 0000000000000001 R08: ffffea0001c0f8c7 R09: 1ffffd4000381f18 R10: dffffc0000000000 R11: fffff94000381f19 R12: ffff888026d465a0 R13: 1ffff92000875ee8 R14: ffffc900043af740 R15: ffff888149471340 next_uptodate_folio+0x15f/0x5d0 mm/filemap.c:3568 filemap_map_pages+0x21f/0x1740 mm/filemap.c:3705 do_fault_around mm/memory.c:5476 [inline] do_read_fault mm/memory.c:5509 [inline] do_fault mm/memory.c:5652 [inline] do_pte_missing mm/memory.c:4160 [inline] handle_pte_fault mm/memory.c:5997 [inline] __handle_mm_fault+0x34db/0x5380 mm/memory.c:6140 handle_mm_fault+0x3f6/0x8c0 mm/memory.c:6309 faultin_page mm/gup.c:1193 [inline] __get_user_pages+0x16f0/0x2a40 mm/gup.c:1491 populate_vma_page_range+0x26b/0x340 mm/gup.c:1929 __mm_populate+0x24c/0x380 mm/gup.c:2032 mm_populate include/linux/mm.h:3487 [inline] vm_mmap_pgoff+0x3f0/0x4c0 mm/util.c:584 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1fa578e969 RSP: 002b:00007f1fa66d6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f1fa59b5fa0 RCX: 00007f1fa578e969 RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000200000000000 RBP: 00007f1fa5810ab1 R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f1fa59b5fa0 R15: 00007ffea0590ef8 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 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) net_ratelimit: 22308 callbacks suppressed 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: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 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)