syzbot

bridge0: received packet on veth0_to_bridge with own address as source address (addr:92:47:4c:51:45:7f, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P14826/1:b..l
rcu: 	(detected by 1, t=10502 jiffies, g=77405, q=328 ncpus=1)
task:syz.0.1962      state:R  running task     stack:26200 pid:14826 tgid:14825 ppid:5833   task_flags:0x2040054c flags:0x00080003
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5325 [inline]
 __schedule+0x1190/0x5de0 kernel/sched/core.c:6929
 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7256
 irqentry_exit+0x36/0x90 kernel/entry/common.c:211
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:__sanitizer_cov_trace_pc+0x41/0x70 kernel/kcov.c:217
Code: a9 00 01 ff 00 74 1d f6 c4 01 74 43 a9 00 00 0f 00 75 3c a9 00 00 f0 00 75 35 8b 82 7c 16 00 00 85 c0 74 2b 8b 82 58 16 00 00 <83> f8 02 75 20 48 8b 8a 60 16 00 00 8b 92 5c 16 00 00 48 8b 01 48
RSP: 0018:ffffc9000e7df200 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000047153 RCX: ffffffff822fbf23
RDX: ffff88803086dac0 RSI: ffffffff822fbf53 RDI: 0000000000000007
RBP: 0000000000000003 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000007153 R11: 0000000000000001 R12: ffff88801d6369f0
R13: ffff88801d6369ec R14: 0000000000000002 R15: dffffc0000000000
 __page_table_check_zero+0x303/0x5d0 mm/page_table_check.c:139
 page_table_check_free include/linux/page_table_check.h:43 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0x7d0/0x1160 mm/page_alloc.c:2906
 discard_slab mm/slub.c:3330 [inline]
 __put_partials+0x130/0x170 mm/slub.c:3876
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x4d/0x120 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:352
 kasan_slab_alloc include/linux/kasan.h:252 [inline]
 slab_post_alloc_hook mm/slub.c:4978 [inline]
 slab_alloc_node mm/slub.c:5288 [inline]
 kmem_cache_alloc_noprof+0x250/0x6e0 mm/slub.c:5295
 alloc_buffer_head+0x21/0x160 fs/buffer.c:3025
 folio_alloc_buffers+0x2b5/0x6c0 fs/buffer.c:935
 create_empty_buffers+0x36/0x480 fs/buffer.c:1691
 folio_create_buffers+0x109/0x150 fs/buffer.c:1802
 __block_write_full_folio+0xed/0xe00 fs/buffer.c:1847
 block_write_full_folio+0x341/0x400 fs/buffer.c:2753
 blkdev_writepages+0xb8/0x140 block/fops.c:491
 do_writepages+0x27a/0x600 mm/page-writeback.c:2604
 filemap_fdatawrite_wbc mm/filemap.c:389 [inline]
 filemap_fdatawrite_wbc+0x104/0x160 mm/filemap.c:379
 __filemap_fdatawrite_range+0xb9/0x100 mm/filemap.c:422
 filemap_write_and_wait_range mm/filemap.c:694 [inline]
 filemap_write_and_wait_range+0xa3/0x130 mm/filemap.c:685
 filemap_write_and_wait include/linux/pagemap.h:68 [inline]
 sync_blockdev block/bdev.c:260 [inline]
 sync_blockdev block/bdev.c:256 [inline]
 bdev_release+0x4d3/0x6d0 block/bdev.c:1126
 blkdev_release+0x15/0x20 block/fops.c:709
 __fput+0x402/0xb70 fs/file_table.c:468
 task_work_run+0x150/0x240 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x86f/0x2bf0 kernel/exit.c:966
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1107
 get_signal+0x2671/0x26d0 kernel/signal.c:3034
 arch_do_signal_or_restart+0x8f/0x790 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop+0x85/0x130 kernel/entry/common.c:40
 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline]
 do_syscall_64+0x426/0xfa0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1a0618f6c9
RSP: 002b:00007f1a06ffb0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f1a063e5fa8 RCX: 00007f1a0618f6c9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f1a063e5fa8
RBP: 00007f1a063e5fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1a063e6038 R14: 00007ffcf21be1a0 R15: 00007ffcf21be288
 </TASK>
net_ratelimit: 8786 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:92:47:4c:51:45:7f, 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:92:47:4c:51:45:7f, 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:92:47:4c:51:45:7f, 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:92:47:4c:51:45:7f, 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:92:47:4c:51:45:7f, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
net_ratelimit: 10126 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:92:47:4c:51:45:7f, 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:92:47:4c:51:45:7f, 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:92:47:4c:51:45:7f, 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:92:47:4c:51:45:7f, 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:92:47:4c:51:45:7f, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)