bridge0: received packet on veth0_to_bridge with own address as source address (addr:72:a9:22:c6:89:e5, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P22218/1:b..l rcu: (detected by 1, t=10503 jiffies, g=110653, q=1026 ncpus=2) task:syz.4.5202 state:R running task stack:26088 pid:22218 tgid:22214 ppid:18578 task_flags:0x400140 flags:0x00080001 Call Trace: context_switch kernel/sched/core.c:5325 [inline] __schedule+0x1798/0x4cc0 kernel/sched/core.c:6929 preempt_schedule_common+0x83/0xd0 kernel/sched/core.c:7113 preempt_schedule+0xae/0xc0 kernel/sched/core.c:7137 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12 __local_bh_enable_ip+0x13e/0x1c0 kernel/softirq.c:457 local_bh_enable include/linux/bottom_half.h:33 [inline] bpf_test_run+0x371/0x7a0 net/bpf/test_run.c:426 bpf_prog_test_run_skb+0xb4e/0x1550 net/bpf/test_run.c:1091 bpf_prog_test_run+0x2c7/0x340 kernel/bpf/syscall.c:4689 __sys_bpf+0x562/0x860 kernel/bpf/syscall.c:6168 __do_sys_bpf kernel/bpf/syscall.c:6260 [inline] __se_sys_bpf kernel/bpf/syscall.c:6258 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6258 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc57558f749 RSP: 002b:00007fc576478038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fc5757e6090 RCX: 00007fc57558f749 RDX: 0000000000000050 RSI: 00002000000002c0 RDI: 000000000000000a RBP: 00007fc575613f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc5757e6128 R14: 00007fc5757e6090 R15: 00007fff8b743698 net_ratelimit: 12562 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 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:1b, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:72:a9:22:c6:89:e5, vlan:0)