bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:b8:68:51:87:e4, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P10844/1:b..l P5181/1:b..l P9031/1:b..l
rcu: 	(detected by 0, t=10503 jiffies, g=41381, q=1486 ncpus=2)
task:syz-executor    state:R  running task     stack:24520 pid:9031  tgid:9031  ppid:9021   task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5295 [inline]
 __schedule+0xfee/0x60e0 kernel/sched/core.c:6907
 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7234
 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:unwind_next_frame+0x182/0x1ea0 arch/x86/kernel/unwind_orc.c:510
Code: f2 83 e2 07 38 d0 7f 08 84 c0 0f 85 f7 0a 00 00 48 89 e9 41 0f b6 45 35 48 ba 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 11 00 <0f> 85 8b 16 00 00 4d 8b 7d 48 3c 01 49 83 df 00 4d 85 ff 0f 84 f0
RSP: 0018:ffffc90003c87400 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 1ffff92000790e97
RDX: dffffc0000000000 RSI: ffffffff8c1aef20 RDI: ffffffff8e1288e0
RBP: ffffc90003c874b8 R08: 0000000008ec2140 R09: 0000000000000007
R10: 0000000000000200 R11: 0000000000000000 R12: ffffc90003c874c0
R13: ffffc90003c87470 R14: ffffc90003c874a5 R15: ffff88807de01e40
 arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 unpoison_slab_object mm/kasan/common.c:340 [inline]
 __kasan_slab_alloc+0x89/0x90 mm/kasan/common.c:366
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4501 [inline]
 slab_alloc_node mm/slub.c:4830 [inline]
 kmem_cache_alloc_noprof+0x241/0x6e0 mm/slub.c:4837
 vm_area_dup+0x27/0x8e0 mm/vma_init.c:123
 dup_mmap+0x6f6/0x2180 mm/mmap.c:1787
 dup_mm kernel/fork.c:1530 [inline]
 copy_mm kernel/fork.c:1582 [inline]
 copy_process+0x73d7/0x7a10 kernel/fork.c:2223
 kernel_clone+0xfc/0x9a0 kernel/fork.c:2654
 __do_sys_clone+0xd9/0x120 kernel/fork.c:2795
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6da35c5212
RSP: 002b:00007ffe3f3858f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007ffe3f3858f0 RCX: 00007f6da35c5212
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007ffe3f385a7c R08: 0000000000000000 R09: 0000000000000001
R10: 000055556c72d7d0 R11: 0000000000000246 R12: 0000000000000001
R13: 000055556c7409f0 R14: 0000000000095485 R15: 00007ffe3f385ad0
 </TASK>
task:klogd           state:R  running task     stack:25416 pid:5181  tgid:5181  ppid:1      task_flags:0x400100 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5295 [inline]
 __schedule+0xfee/0x60e0 kernel/sched/core.c:6907
 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7234
 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:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:114 [inline]
RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:128 [inline]
RIP: 0010:lock_release kernel/locking/lockdep.c:5885 [inline]
RIP: 0010:lock_release+0x8d/0x320 kernel/locking/lockdep.c:5875
Code: 00 00 65 4c 8b 25 6b c8 28 12 41 8b bc 24 14 0b 00 00 85 ff 0f 85 21 01 00 00 48 81 3b 40 e7 13 94 0f 84 14 01 00 00 9c 41 5e <fa> 48 c7 c7 fd bf f6 8d e8 36 9d a8 09 65 ff 05 a7 0f 29 12 8b 35
RSP: 0018:ffffc90004cff468 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffffffff8e7e9220 RCX: ffffffff9207ed01
RDX: 0000000000000000 RSI: ffffffff8c1aef20 RDI: 0000000000000000
RBP: ffffffff81b7adde R08: 0000000000000001 R09: 0000000000000007
R10: 0000000000000200 R11: 000000000008529b R12: ffff88807f278000
R13: ffffc90004cff520 R14: 0000000000000202 R15: ffffc90004cff554
 rcu_lock_release include/linux/rcupdate.h:322 [inline]
 rcu_read_unlock include/linux/rcupdate.h:881 [inline]
 class_rcu_destructor include/linux/rcupdate.h:1193 [inline]
 unwind_next_frame+0x3c3/0x1ea0 arch/x86/kernel/unwind_orc.c:495
 arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
 save_stack+0x162/0x1e0 mm/page_owner.c:165
 __reset_page_owner+0x84/0x190 mm/page_owner.c:320
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1433 [inline]
 __free_frozen_pages+0x7e1/0x10d0 mm/page_alloc.c:2978
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x47/0xe0 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x1a0/0x1f0 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:350
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4501 [inline]
 slab_alloc_node mm/slub.c:4830 [inline]
 __do_kmalloc_node mm/slub.c:5218 [inline]
 __kmalloc_node_track_caller_noprof+0x2ba/0x850 mm/slub.c:5327
 kmalloc_reserve+0xe8/0x350 net/core/skbuff.c:635
 __alloc_skb+0x185/0x710 net/core/skbuff.c:713
 alloc_skb include/linux/skbuff.h:1383 [inline]
 alloc_skb_with_frags+0xe0/0x810 net/core/skbuff.c:6750
 sock_alloc_send_pskb+0x801/0x980 net/core/sock.c:2995
 unix_dgram_sendmsg+0x3c7/0x1820 net/unix/af_unix.c:2125
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg net/socket.c:742 [inline]
 __sys_sendto+0x4aa/0x520 net/socket.c:2206
 __do_sys_sendto net/socket.c:2213 [inline]
 __se_sys_sendto net/socket.c:2209 [inline]
 __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2209
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc67b907407
RSP: 002b:00007ffc8344f380 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fc67b7b7c80 RCX: 00007fc67b907407
RDX: 000000000000005b RSI: 00007ffc8344f4c0 RDI: 0000000000000003
RBP: 00007ffc8344f8f0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffc8344f908
R13: 00007ffc8344f4c0 R14: 0000000000000040 R15: 00007ffc8344f4c0
 </TASK>
task:syz.5.882       state:R  running task     stack:23008 pid:10844 tgid:10844 ppid:9031   task_flags:0x400640 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5295 [inline]
 __schedule+0xfee/0x60e0 kernel/sched/core.c:6907
 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7234
 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:lock_acquire+0x5e/0x380 kernel/locking/lockdep.c:5872
Code: 05 3b ce 28 12 83 f8 07 0f 87 f0 00 00 00 48 0f a3 05 06 51 f5 0e 0f 82 c2 02 00 00 8b 35 ce 84 f5 0e 85 f6 0f 85 dd 00 00 00 <48> 8b 44 24 30 65 48 2b 05 dd cd 28 12 0f 85 02 03 00 00 48 83 c4
RSP: 0018:ffffc90004586300 EFLAGS: 00000206
RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000002
RDX: 0000000000000000 RSI: ffffffff8de547c0 RDI: ffffffff8c1aefa0
RBP: ffffffff8e7e9220 R08: 00000000ab25e90a R09: 0000000000000007
R10: 0000000000000200 R11: 0000000000000000 R12: 0000000000000002
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:312 [inline]
 rcu_read_lock include/linux/rcupdate.h:850 [inline]
 class_rcu_constructor include/linux/rcupdate.h:1193 [inline]
 unwind_next_frame+0xd1/0x1ea0 arch/x86/kernel/unwind_orc.c:495
 arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
 save_stack+0x162/0x1e0 mm/page_owner.c:165
 __set_page_owner+0x8c/0x540 mm/page_owner.c:341
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x153/0x170 mm/page_alloc.c:1889
 prep_new_page mm/page_alloc.c:1897 [inline]
 get_page_from_freelist+0x111d/0x3140 mm/page_alloc.c:3962
 __alloc_frozen_pages_noprof+0x27c/0x2ba0 mm/page_alloc.c:5250
 alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2484
 folio_alloc_mpol_noprof+0x36/0x340 mm/mempolicy.c:2503
 shmem_alloc_folio+0x135/0x160 mm/shmem.c:1930
 shmem_alloc_and_add_folio+0x371/0xd40 mm/shmem.c:1972
 shmem_get_folio_gfp+0x6ab/0x1900 mm/shmem.c:2567
 shmem_get_folio mm/shmem.c:2673 [inline]
 shmem_write_begin+0x1a4/0x420 mm/shmem.c:3327
 generic_perform_write+0x292/0xa40 mm/filemap.c:4314
 shmem_file_write_iter+0x10e/0x140 mm/shmem.c:3502
 __kernel_write_iter+0x2ac/0x920 fs/read_write.c:621
 dump_emit_page fs/coredump.c:1299 [inline]
 dump_user_range+0x3f9/0xb50 fs/coredump.c:1373
 elf_core_dump+0x2d5f/0x3d10 fs/binfmt_elf.c:2109
 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: 0033:0x200000
RSP: 002b:00002000000000e8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007f6da3816cc0 RCX: 00007f6da359c799
RDX: 00002000000001c0 RSI: 00002000000000e0 RDI: 0000000000800000
RBP: 00007f6da3632bd9 R08: 0000200000000240 R09: 0000200000000240
R10: 0000200000000200 R11: 0000000000000206 R12: 0000000000000000
R13: 00007f6da3816d58 R14: 00007f6da3816cc0 R15: 00007ffe3f3856d8
 </TASK>
net_ratelimit: 25909 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:56:b8:68:51:87:e4, 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:56:b8:68:51:87:e4, 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:56:b8:68:51:87:e4, vlan:0)