bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:80:37:bf:24:a9, vlan:0)
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): P12631/2:b..l P5824/1:b..l P5189/1:b..l
rcu: 	(detected by 1, t=10502 jiffies, g=75517, q=724 ncpus=1)
task:klogd           state:R  running task     stack:24936 pid:5189  tgid:5189  ppid:1      task_flags:0x400100 flags:0x00080001
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:instrument_atomic_read include/linux/instrumented.h:68 [inline]
RIP: 0010:atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline]
RIP: 0010:__page_table_check_zero+0x21c/0x5d0 mm/page_table_check.c:142
Code: e8 19 ab 8c ff 48 8b 5c 24 08 48 89 ee 48 89 df e8 b9 a5 8c ff 48 39 eb 0f 84 fc 00 00 00 e8 fb aa 8c ff 48 8b 1d e4 b0 2c 0c <be> 04 00 00 00 4c 01 e3 48 89 df e8 c4 49 f4 ff 48 89 d8 48 c1 e8
RSP: 0018:ffffc900034a76d8 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000048 RCX: ffffffff822fc247
RDX: ffff88806543bc80 RSI: ffffffff822fc255 RDI: 0000000000000006
RBP: 0000000000000007 R08: 0000000000000006 R09: 0000000000000008
R10: 0000000000000007 R11: 0000000000000001 R12: ffff88801c84e1b0
R13: ffff88801c84e1ac R14: 0000000000000003 R15: dffffc0000000000
 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
 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:4974 [inline]
 slab_alloc_node mm/slub.c:5284 [inline]
 __do_kmalloc_node mm/slub.c:5645 [inline]
 __kmalloc_node_track_caller_noprof+0x2fd/0x8a0 mm/slub.c:5755
 kmalloc_reserve+0xef/0x2c0 net/core/skbuff.c:601
 __alloc_skb+0x166/0x380 net/core/skbuff.c:670
 alloc_skb include/linux/skbuff.h:1383 [inline]
 alloc_skb_with_frags+0xe0/0x860 net/core/skbuff.c:6671
 sock_alloc_send_pskb+0x7f9/0x980 net/core/sock.c:2965
 unix_dgram_sendmsg+0x3e9/0x17f0 net/unix/af_unix.c:2153
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg net/socket.c:742 [inline]
 __sys_sendto+0x4a3/0x520 net/socket.c:2244
 __do_sys_sendto net/socket.c:2251 [inline]
 __se_sys_sendto net/socket.c:2247 [inline]
 __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2247
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efe796be407
RSP: 002b:00007ffc0c785a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007efe7956ec80 RCX: 00007efe796be407
RDX: 0000000000000073 RSI: 00007ffc0c785b60 RDI: 0000000000000003
RBP: 00007ffc0c785f90 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffc0c785fa8
R13: 00007ffc0c785b60 R14: 0000000000000058 R15: 00007ffc0c785b60
 </TASK>
task:syz-executor    state:R  running task     stack:25160 pid:5824  tgid:5824  ppid:5819   task_flags:0x40050c flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5325 [inline]
 __schedule+0x1190/0x5de0 kernel/sched/core.c:6929
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:7113
 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
 __raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
 _raw_spin_unlock+0x3e/0x50 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:391 [inline]
 zap_pte_range mm/memory.c:1884 [inline]
 zap_pmd_range mm/memory.c:1946 [inline]
 zap_pud_range mm/memory.c:1975 [inline]
 zap_p4d_range mm/memory.c:1996 [inline]
 unmap_page_range+0xf71/0x41b0 mm/memory.c:2017
 unmap_single_vma.constprop.0+0x153/0x240 mm/memory.c:2060
 unmap_vmas+0x218/0x470 mm/memory.c:2104
 exit_mmap+0x1b2/0xb90 mm/mmap.c:1280
 __mmput+0x12a/0x410 kernel/fork.c:1133
 mmput+0x62/0x70 kernel/fork.c:1156
 exit_mm kernel/exit.c:582 [inline]
 do_exit+0x7c7/0x2bf0 kernel/exit.c:954
 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: 0033:0x7f28edd857d3
RSP: 002b:00007ffc7cf62958 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 00000000000016c9 RCX: 00007f28edd857d3
RDX: 0000000040000000 RSI: 00007ffc7cf6296c RDI: 00000000ffffffff
RBP: 00007ffc7cf6296c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
R13: 0000000000000003 R14: 00007ffc7cf62c58 R15: 0000000000000000
 </TASK>
task:syz.0.1482      state:R  running task     stack:25240 pid:12631 tgid:12620 ppid:5833   task_flags:0x20400040 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:lock_acquire+0x62/0x350 kernel/locking/lockdep.c:5872
Code: cb 08 12 83 f8 07 0f 87 bc 02 00 00 89 c0 48 0f a3 05 92 dc e9 0e 0f 82 74 02 00 00 8b 35 ea 0c ea 0e 85 f6 0f 85 8d 00 00 00 <48> 8b 44 24 30 65 48 2b 05 a9 ca 08 12 0f 85 c7 02 00 00 48 83 c4
RSP: 0018:ffffc9000b046730 EFLAGS: 00000206
RAX: 0000000000000046 RBX: ffffffff8e3c45e0 RCX: 0000000096e07749
RDX: 0000000000000000 RSI: ffffffff8da02a45 RDI: ffffffff8bf075c0
RBP: 0000000000000002 R08: 7b070eb4655b10ce R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 rcu_read_lock include/linux/rcupdate.h:867 [inline]
 class_rcu_constructor include/linux/rcupdate.h:1195 [inline]
 unwind_next_frame+0xd1/0x20a0 arch/x86/kernel/unwind_orc.c:479
 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:342 [inline]
 __kasan_slab_alloc+0x89/0x90 mm/kasan/common.c:368
 kasan_slab_alloc include/linux/kasan.h:252 [inline]
 slab_post_alloc_hook mm/slub.c:4974 [inline]
 slab_alloc_node mm/slub.c:5284 [inline]
 kmem_cache_alloc_noprof+0x250/0x6e0 mm/slub.c:5291
 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+0x23f/0x520 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:3108
 slab_free_hook mm/slub.c:2503 [inline]
 slab_free mm/slub.c:6634 [inline]
 kmem_cache_free+0x171/0x6c0 mm/slub.c:6744
 mempool_free+0x102/0x750 mm/mempool.c:576
 bio_put_percpu_cache block/bio.c:805 [inline]
 bio_put+0x355/0x5b0 block/bio.c:824
 bio_endio+0x713/0x860 block/bio.c:1672
 blk_update_request+0x93e/0x15f0 block/blk-mq.c:998
 blk_mq_end_request+0x4f/0x90 block/blk-mq.c:1160
 blk_mq_complete_request block/blk-mq.c:1338 [inline]
 blk_mq_complete_request+0x8b/0xb0 block/blk-mq.c:1335
 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:2837 [inline]
 __blk_mq_flush_list+0x9a/0xc0 block/blk-mq.c:2833
 blk_mq_dispatch_queue_requests+0x184/0x7b0 block/blk-mq.c:2882
 blk_mq_flush_plug_list+0x1f2/0x600 block/blk-mq.c:2970
 blk_add_rq_to_plug+0x1ca/0x540 block/blk-mq.c:1399
 blk_mq_submit_bio+0x1ecc/0x3380 block/blk-mq.c:3222
 __submit_bio+0x3cf/0x690 block/blk-core.c:637
 __submit_bio_noacct_mq block/blk-core.c:724 [inline]
 submit_bio_noacct_nocheck+0x53d/0xc10 block/blk-core.c:755
 submit_bio_noacct+0x5bd/0x1f60 block/blk-core.c:879
 __block_write_full_folio+0x735/0xe00 fs/buffer.c:1933
 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
 get_signal+0x1d0/0x26d0 kernel/signal.c:2807
 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: 0033:0x7f28edd8f6c9
RSP: 002b:00007f28ebff6038 EFLAGS: 00000246 ORIG_RAX: 000000000000004b
RAX: 0000000000000000 RBX: 00007f28edfe6180 RCX: 00007f28edd8f6c9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f28ede11f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f28edfe6218 R14: 00007f28edfe6180 R15: 00007ffc7cf62408
 </TASK>
net_ratelimit: 8328 callbacks suppressed
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:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:80:37:bf:24:a9, 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:1b, 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:56:80:37:bf:24:a9, 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:1b, 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: 9114 callbacks suppressed
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:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:80:37:bf:24:a9, 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:1b, 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:56:80:37:bf:24:a9, 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:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)