syzbot

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:
 <TASK>
 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
 </TASK>
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)