syzbot

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)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P14140/1:b..l
rcu: 	(detected by 1, t=10502 jiffies, g=75101, q=1900 ncpus=1)
task:syz.0.1566      state:R  running task     stack:24632 pid:14140 tgid:14139 ppid:5828   task_flags:0x20400140 flags:0x00080003
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x1139/0x6150 kernel/sched/core.c:6863
 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7190
 irqentry_exit+0x1d8/0x8c0 kernel/entry/common.c:216
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:unwind_next_frame+0x1e/0x20b0 arch/x86/kernel/unwind_orc.c:485
Code: 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 b8 00 00 00 00 00 fc ff df 41 57 48 89 fa 41 56 48 c1 ea 03 41 55 49 89 fd <41> 54 55 53 48 83 ec 38 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 02 0b
RSP: 0018:ffffc9000b70e768 EFLAGS: 00000a02
RAX: dffffc0000000000 RBX: ffffc9000b70e788 RCX: ffffc9000b70e6dc
RDX: 1ffff920016e1cf1 RSI: ffffffff82270534 RDI: ffffc9000b70e788
RBP: ffffc9000b70e818 R08: 0000000000000001 R09: 0000000097dd0d41
R10: 0000000000000002 R11: 0000000000012704 R12: ffffffff81a8e9d0
R13: ffffc9000b70e788 R14: 0000000000000000 R15: ffff888031450000
 arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:56
 kasan_save_track+0x14/0x30 mm/kasan/common.c:77
 unpoison_slab_object mm/kasan/common.c:339 [inline]
 __kasan_slab_alloc+0x89/0x90 mm/kasan/common.c:365
 kasan_slab_alloc include/linux/kasan.h:252 [inline]
 slab_post_alloc_hook mm/slub.c:4953 [inline]
 slab_alloc_node mm/slub.c:5263 [inline]
 kmem_cache_alloc_noprof+0x25e/0x770 mm/slub.c:5270
 kmem_alloc_batch+0x49/0x170 lib/debugobjects.c:371
 fill_pool lib/debugobjects.c:403 [inline]
 debug_objects_fill_pool lib/debugobjects.c:725 [inline]
 debug_objects_fill_pool+0x413/0x660 lib/debugobjects.c:697
 debug_object_activate+0x10b/0x4c0 lib/debugobjects.c:814
 debug_rcu_head_queue kernel/rcu/rcu.h:236 [inline]
 __call_rcu_common.constprop.0+0x35/0xa10 kernel/rcu/tree.c:3104
 slab_free_hook mm/slub.c:2504 [inline]
 slab_free mm/slub.c:6668 [inline]
 kmem_cache_free+0x171/0x770 mm/slub.c:6779
 mempool_free+0xde/0x130 mm/mempool.c:712
 bio_put_percpu_cache block/bio.c:808 [inline]
 bio_put+0x355/0x5b0 block/bio.c:827
 bio_endio+0x751/0x8a0 block/bio.c:1675
 blk_update_request+0x914/0x15c0 block/blk-mq.c:1007
 blk_mq_end_request+0x59/0x430 block/blk-mq.c:1169
 blk_mq_complete_request block/blk-mq.c:1347 [inline]
 blk_mq_complete_request+0x8b/0xb0 block/blk-mq.c:1344
 nullb_complete_cmd drivers/block/null_blk/main.c:1402 [inline]
 null_handle_cmd drivers/block/null_blk/main.c:1454 [inline]
 null_queue_rq+0xb69/0xfd0 drivers/block/null_blk/main.c:1693
 null_queue_rqs+0xe9/0x2f0 drivers/block/null_blk/main.c:1707
 __blk_mq_flush_list block/blk-mq.c:2848 [inline]
 __blk_mq_flush_list+0x9a/0xc0 block/blk-mq.c:2844
 blk_mq_dispatch_queue_requests+0x184/0x7b0 block/blk-mq.c:2893
 blk_mq_flush_plug_list+0x1f2/0x600 block/blk-mq.c:2981
 blk_add_rq_to_plug+0x1ca/0x540 block/blk-mq.c:1408
 blk_mq_submit_bio+0x1a06/0x2c50 block/blk-mq.c:3233
 __submit_bio+0x3cc/0x690 block/blk-core.c:637
 __submit_bio_noacct_mq block/blk-core.c:724 [inline]
 submit_bio_noacct_nocheck+0x53d/0xbe0 block/blk-core.c:755
 submit_bio_noacct+0x5bd/0x1f40 block/blk-core.c:879
 __block_write_full_folio+0x735/0xe00 fs/buffer.c:1933
 block_write_full_folio+0x31d/0x3e0 fs/buffer.c:2753
 blkdev_writepages+0xb8/0x140 block/fops.c:487
 do_writepages+0x27a/0x600 mm/page-writeback.c:2598
 filemap_writeback+0x225/0x2d0 mm/filemap.c:387
 filemap_fdatawrite_range mm/filemap.c:412 [inline]
 filemap_write_and_wait_range mm/filemap.c:684 [inline]
 filemap_write_and_wait_range+0xa6/0x130 mm/filemap.c:675
 filemap_write_and_wait include/linux/pagemap.h:65 [inline]
 sync_blockdev block/bdev.c:277 [inline]
 sync_blockdev block/bdev.c:273 [inline]
 bdev_release+0x4d3/0x6d0 block/bdev.c:1143
 blkdev_release+0x15/0x20 block/fops.c:706
 __fput+0x402/0xb70 fs/file_table.c:468
 task_work_run+0x150/0x240 kernel/task_work.c:233
 get_signal+0x1d0/0x26d0 kernel/signal.c:2807
 arch_do_signal_or_restart+0x8f/0x7a0 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:41 [inline]
 exit_to_user_mode_loop+0x8c/0x540 kernel/entry/common.c:75
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
 do_syscall_64+0x4ee/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd9bb98f7c9
RSP: 002b:00007fd9bc859038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: 0000000001000000 RBX: 00007fd9bbbe5fa0 RCX: 00007fd9bb98f7c9
RDX: 0000000080000000 RSI: 0000200000000000 RDI: 0000000000000003
RBP: 00007fd9bba13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd9bbbe6038 R14: 00007fd9bbbe5fa0 R15: 00007fff78918938
 </TASK>
net_ratelimit: 11966 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 veth0_to_bridge with own address as source address (addr:1a:aa:46:74:af:11, 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 veth0_to_bridge with own address as source address (addr:1a:aa:46:74:af:11, 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)
net_ratelimit: 12674 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 veth0_to_bridge with own address as source address (addr:1a:aa:46:74:af:11, 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 veth0_to_bridge with own address as source address (addr:1a:aa:46:74:af:11, 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)