bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:3e:b7:8b:f5:cc, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:3e:b7:8b:f5:cc, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P24015
rcu: 	(detected by 0, t=10502 jiffies, g=94181, q=1194 ncpus=2)
task:syz.3.5099      state:R  running task     stack:26776 pid:24015 tgid:24014 ppid:21010  task_flags:0x400140 flags:0x00080013
Call Trace:
 <TASK>
 </TASK>
rcu: rcu_preempt kthread starved for 755 jiffies! g94181 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:26920 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 schedule_timeout+0x12b/0x270
 rcu_gp_fqs_loop+0x301/0x1540
 rcu_gp_kthread+0x99/0x390
 kthread+0x711/0x8a0
 ret_from_fork+0x4bc/0x870
 ret_from_fork_asm+0x1a/0x30
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 24015 Comm: syz.3.5099 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:lock_is_held_type+0x137/0x190
Code: 01 75 44 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 4c 41 f7 c4 00 02 00 00 74 01 fb 65 48 8b 05 09 8a 27 07 <48> 3b 44 24 08 75 43 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f
RSP: 0018:ffffc90000a08758 EFLAGS: 00000206
RAX: a8a3586c88683000 RBX: 0000000000000001 RCX: a8a3586c88683000
RDX: ffff88819be73a00 RSI: ffffffff8d8f5dfe RDI: ffffffff8bbf0e60
RBP: 00000000ffffffff R08: ffff88819be73a00 R09: 0000000000000002
R10: 000000000000a888 R11: 0000000000000100 R12: 0000000000000246
R13: ffff88819be73a00 R14: ffffffff8df3d6e0 R15: 0000000000000000
FS:  00007fea749946c0(0000) GS:ffff8882a9f38000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0503fb8c98 CR3: 0000000114e78000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __netif_receive_skb_core+0x4d6/0x4390
 __netif_receive_skb+0x72/0x380
 process_backlog+0x60e/0x14f0
 __napi_poll+0xc7/0x360
 net_rx_action+0x5f7/0xdf0
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:finish_task_switch+0x26b/0x950
Code: 0f 84 3c 01 00 00 48 85 db 0f 85 63 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 ef 79 b8 09 e8 5a b9 36 00 fb 4c 8b 65 c0 <49> 8d bc 24 58 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc9000435f3b8 EFLAGS: 00000286
RAX: a8a3586c88683000 RBX: 0000000000000000 RCX: a8a3586c88683000
RDX: 0000000000000000 RSI: ffffffff8d70f100 RDI: ffffffff8bbf0e60
RBP: ffffc9000435f410 R08: ffffffff8f7cf077 R09: 1ffffffff1ef9e0e
R10: dffffc0000000000 R11: fffffbfff1ef9e0f R12: ffff88819be73a00
R13: dffffc0000000000 R14: ffff8881026ad700 R15: ffff88823c63ab58
 __schedule+0x17a0/0x4cc0
 preempt_schedule_irq+0xb5/0x150
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:unwind_next_frame+0x1318/0x2390
Code: 4c 8d 3c 45 00 00 00 00 49 01 ef 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 75 27 49 63 07 4c 01 f8 <49> 8d 4f 04 4c 39 e0 48 0f 46 e9 49 8d 47 fc 48 0f 47 d8 4d 0f 46
RSP: 0018:ffffc9000435f7b8 EFLAGS: 00000287
RAX: ffffffff8225f048 RBX: ffffffff8f9957ac RCX: dffffc0000000000
RDX: ffffffff8f995788 RSI: ffffffff90183dcc RDI: ffffffff8bbf0e00
RBP: ffffffff8f995788 R08: 000000000000000a R09: ffffffff81738c45
R10: ffffc9000435f8d8 R11: ffffffff81ac31b0 R12: ffffffff8225f07d
R13: ffffffff8f995788 R14: ffffc9000435f888 R15: ffffffff8f995798
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_noprof+0x367/0x6e0
 security_file_alloc+0x34/0x330
 init_file+0x93/0x2f0
 alloc_empty_file+0x6e/0x1d0
 alloc_file_pseudo+0x13d/0x210
 sock_alloc_file+0xb8/0x2e0
 __sys_socket+0x13d/0x1b0
 __x64_sys_socket+0x7a/0x90
 do_syscall_64+0xfa/0xfa0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fea73b8f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fea74994038 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007fea73de5fa0 RCX: 00007fea73b8f749
RDX: 000000000000000c RSI: 0000000000000003 RDI: 0000000000000010
RBP: 00007fea73c13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fea73de6038 R14: 00007fea73de5fa0 R15: 00007ffcc5218d58
 </TASK>
net_ratelimit: 27129 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:3e:b7:8b:f5:cc, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:3e:b7:8b:f5:cc, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:3e:b7:8b:f5:cc, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:3e:b7:8b:f5:cc, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:3e:b7:8b:f5:cc, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:3e:b7:8b:f5:cc, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:3e:b7:8b:f5:cc, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:3e:b7:8b:f5:cc, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:3e:b7:8b:f5:cc, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:3e:b7:8b:f5:cc, vlan:0)
net_ratelimit: 25840 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:3e:b7:8b:f5:cc, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:3e:b7:8b:f5:cc, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:3e:b7:8b:f5:cc, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:3e:b7:8b:f5:cc, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:3e:b7:8b:f5:cc, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:3e:b7:8b:f5:cc, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:3e:b7:8b:f5:cc, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:3e:b7:8b:f5:cc, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:3e:b7:8b:f5:cc, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9a:3e:b7:8b:f5:cc, vlan:0)
