syzbot

bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:1e:07:27:1b:db, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P6036/2:b..l
rcu: 	(detected by 0, t=10503 jiffies, g=14885, q=1823 ncpus=2)
task:syz.2.22        state:R  running task     stack:22216 pid:6036  tgid:6036  ppid:5830   task_flags:0x400640 flags:0x00080000
Call Trace:
 <TASK>
 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:lockdep_enabled kernel/locking/lockdep.c:124 [inline]
RIP: 0010:lock_is_held_type+0x42/0x140 kernel/locking/lockdep.c:5933
Code: 8b 15 4a 39 80 08 85 d2 0f 85 de 00 00 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 08 65 48 8b 2d bc f1 7f 08 8b 95 54 0b 00 00 <85> d2 0f 85 a7 00 00 00 48 89 fb 41 89 f4 9c 41 5d fa 48 c7 c7 e7
RSP: 0018:ffffc90004e4ea00 EFLAGS: 00000286
RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffff888079d5aa90
RBP: ffff8880325b5b80 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88805d2d6100
R13: ffff888079d5aa78 R14: ffffea0001531540 R15: 000000000000119f
 lock_is_held include/linux/lockdep.h:249 [inline]
 xa_entry include/linux/xarray.h:1226 [inline]
 xas_reload+0x27d/0x490 include/linux/xarray.h:1624
 next_uptodate_folio+0x38a/0xd00 mm/filemap.c:3719
 filemap_map_pages+0x1b4/0x2020 mm/filemap.c:3887
 do_fault_around mm/memory.c:5757 [inline]
 do_read_fault mm/memory.c:5790 [inline]
 do_fault+0x9a7/0x1990 mm/memory.c:5933
 do_pte_missing mm/memory.c:4477 [inline]
 handle_pte_fault mm/memory.c:6317 [inline]
 __handle_mm_fault+0x180f/0x2b60 mm/memory.c:6455
 handle_mm_fault+0x36d/0xa20 mm/memory.c:6624
 faultin_page mm/gup.c:1126 [inline]
 __get_user_pages+0xf9c/0x34d0 mm/gup.c:1428
 __get_user_pages_locked mm/gup.c:1692 [inline]
 get_dump_page+0x27e/0x3d0 mm/gup.c:2192
 dump_user_range+0x18d/0xb50 fs/coredump.c:1367
 elf_core_dump+0x2d5f/0x3d10 fs/binfmt_elf.c:2110
 coredump_write fs/coredump.c:1050 [inline]
 do_coredump fs/coredump.c:1127 [inline]
 vfs_coredump+0x27bc/0x5570 fs/coredump.c:1201
 get_signal+0x1f2a/0x21e0 kernel/signal.c:3019
 arch_do_signal_or_restart+0x91/0x770 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:64 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:98 [inline]
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
 irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:270 [inline]
 irqentry_exit_to_user_mode include/linux/irq-entry-common.h:339 [inline]
 irqentry_exit+0x1f8/0x670 kernel/entry/common.c:219
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x401000
RSP: 002b:000000000000000a EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007f8538215fa0 RCX: 00007f8537f9c799
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000020003b4a
RBP: 00007f8538032c99 R08: 0000000000000002 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8538216038 R14: 00007f8538215fa0 R15: 00007ffc07bfd6a8
 </TASK>
net_ratelimit: 9262 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: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:9a:1e:07:27:1b:db, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:1e:07:27:1b:db, 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)
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)
net_ratelimit: 9651 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:1e:07:27:1b:db, 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 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:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:1e:07:27:1b:db, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:1e:07:27:1b:db, 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)