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): P9124/1:b..l
rcu: 	(detected by 1, t=10503 jiffies, g=43473, q=1606 ncpus=2)
task:syz.8.621       state:R  running task     stack:25336 pid:9124  tgid:9123  ppid:8637   task_flags:0x400040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5258 [inline]
 __schedule+0x150e/0x5070 kernel/sched/core.c:6866
 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7193
 irqentry_exit+0x5d8/0x660 kernel/entry/common.c:216
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x4/0x90 kernel/kcov.c:315
Code: 89 74 11 18 48 89 44 11 20 e9 98 df 9e 09 cc 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <48> 8b 04 24 65 48 8b 14 25 08 b0 9f 92 65 8b 0d 78 f3 dd 10 81 e1
RSP: 0018:ffffc90004f8f3d0 EFLAGS: 00000246
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffff88801b36db80
RDX: 0000000088789759 RSI: 0000000000000001 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff8233ecda R09: ffffffff8e13f2e0
R10: dffffc0000000000 R11: ffffed10069862ec R12: ffffffff8233ecda
R13: ffffea000207cb80 R14: 1ffffffff1b760a4 R15: 0000000000000000
 rcu_read_lock include/linux/rcupdate.h:868 [inline]
 __page_table_check_zero+0x9b/0x3e0 mm/page_table_check.c:138
 page_table_check_alloc include/linux/page_table_check.h:35 [inline]
 post_alloc_hook+0x247/0x290 mm/page_alloc.c:1858
 prep_new_page mm/page_alloc.c:1865 [inline]
 get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3915
 __alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5210
 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2486
 folio_alloc_mpol_noprof+0x39/0x70 mm/mempolicy.c:2505
 shmem_alloc_folio mm/shmem.c:1902 [inline]
 shmem_alloc_and_add_folio+0x423/0xf40 mm/shmem.c:1944
 shmem_get_folio_gfp+0x59d/0x1660 mm/shmem.c:2568
 shmem_get_folio mm/shmem.c:2674 [inline]
 shmem_write_begin+0x16c/0x330 mm/shmem.c:3327
 generic_perform_write+0x2c5/0x900 mm/filemap.c:4314
 shmem_file_write_iter+0xf8/0x120 mm/shmem.c:3502
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x5c9/0xb30 fs/read_write.c:686
 ksys_write+0x145/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8078f8e1ff
RSP: 002b:00007f8079dcadf0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000001000000 RCX: 00007f8078f8e1ff
RDX: 0000000001000000 RSI: 00007f806ec00000 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000000055bc
R10: 0000000000000002 R11: 0000000000000293 R12: 0000000000000003
R13: 00007f8079dcaef0 R14: 00007f8079dcaeb0 R15: 00007f806ec00000
 </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 veth0_to_bridge with own address as source address (addr:9e:0a:60:01:be:23, 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:9e:0a:60:01:be:23, 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:9e:0a:60:01:be:23, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)