bridge0: received packet on team0 with own address as source address (addr:aa:aa:aa:aa:aa:20, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P7003 rcu: (detected by 0, t=10502 jiffies, g=17797, q=853 ncpus=2) task:syz.2.323 state:R running task stack:25096 pid:7003 ppid:5774 flags:0x0000400e Call Trace: sched_show_task+0x481/0x5a0 kernel/sched/core.c:9178 rcu_print_detail_task_stall_rnp kernel/rcu/tree_stall.h:261 [inline] print_other_cpu_stall+0xfa7/0x1340 kernel/rcu/tree_stall.h:637 check_cpu_stall kernel/rcu/tree_stall.h:809 [inline] rcu_pending kernel/rcu/tree.c:3950 [inline] rcu_sched_clock_irq+0x87c/0x1220 kernel/rcu/tree.c:2295 update_process_times+0x147/0x1b0 kernel/time/timer.c:2072 tick_sched_handle kernel/time/tick-sched.c:254 [inline] tick_sched_timer+0x3a2/0x580 kernel/time/tick-sched.c:1492 __run_hrtimer kernel/time/hrtimer.c:1750 [inline] __hrtimer_run_queues+0x4df/0xc40 kernel/time/hrtimer.c:1814 hrtimer_interrupt+0x3c9/0x9c0 kernel/time/hrtimer.c:1876 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1077 [inline] __sysvec_apic_timer_interrupt+0xfb/0x3b0 arch/x86/kernel/apic/apic.c:1094 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline] sysvec_apic_timer_interrupt+0x51/0xc0 arch/x86/kernel/apic/apic.c:1088 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:212 Code: 00 0f 0b 0f 1f 80 00 00 00 00 f3 0f 1e fa 53 48 89 fb e8 13 00 00 00 48 8b 3d 9c 92 c4 0c 48 89 de 5b e9 43 9d 56 00 cc cc cc 0f 1e fa 48 8b 04 24 65 48 8b 0d f0 24 7e 7e 65 8b 15 f1 24 7e RSP: 0018:ffffc90000007238 EFLAGS: 00000297 RAX: ffffffff8924a0a2 RBX: ffffc90000007610 RCX: 0000000000000100 RDX: ffff8880225a0000 RSI: 0000000000000038 RDI: 000000000000ffff RBP: ffffc90000007390 R08: ffffc900000072e7 R09: 0000000000000000 R10: ffffc900000072c0 R11: fffff52000000e5d R12: 0000000000000038 R13: 1ffff92000000e54 R14: 0000000000000000 R15: ffff88802e58ed80 skb_transport_header include/linux/skbuff.h:2871 [inline] skb_transport_offset include/linux/skbuff.h:3018 [inline] ip6_multipath_l3_keys+0x314/0x710 net/ipv6/route.c:2345 rt6_multipath_hash+0x353/0x1380 net/ipv6/route.c:2506 ip6_route_input+0x858/0xa50 net/ipv6/route.c:2620 ip6_rcv_finish+0x143/0x230 net/ipv6/ip6_input.c:77 NF_HOOK+0x303/0x390 include/linux/netfilter.h:304 __netif_receive_skb_one_core net/core/dev.c:5608 [inline] __netif_receive_skb+0xcc/0x290 net/core/dev.c:5722 process_backlog+0x380/0x6e0 net/core/dev.c:6050 __napi_poll+0xc0/0x460 net/core/dev.c:6612 napi_poll net/core/dev.c:6679 [inline] net_rx_action+0x5ea/0xbf0 net/core/dev.c:6815 handle_softirqs+0x280/0x820 kernel/softirq.c:578 __do_softirq kernel/softirq.c:612 [inline] invoke_softirq kernel/softirq.c:452 [inline] __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687 RIP: 0010:preempt_schedule_irq+0xb0/0x140 kernel/sched/core.c:7009 Code: 44 24 20 f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 63 bf 01 00 00 00 e8 8b b3 eb f6 e8 26 3a 1c f7 fb bf 01 00 00 00 db b5 ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24 RSP: 0018:ffffc9001989fac0 EFLAGS: 00000282 RAX: 1efaa42f032c3e00 RBX: ffff8880225a0000 RCX: 1efaa42f032c3e00 RDX: dffffc0000000000 RSI: ffffffff8aaabce0 RDI: 0000000000000001 RBP: ffffc9001989fb60 R08: ffffffff8e4a212f R09: 1ffffffff1c94425 R10: dffffc0000000000 R11: fffffbfff1c94426 R12: 0000000000000000 R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92003313f58 irqentry_exit+0x67/0x70 kernel/entry/common.c:438 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687 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:rht_grow_above_75 include/linux/rhashtable.h:186 [inline] RIP: 0010:__rhashtable_insert_fast include/linux/rhashtable.h:799 [inline] RIP: 0010:rhashtable_lookup_insert_fast include/linux/rhashtable.h:914 [inline] RIP: 0010:tipc_sk_insert net/tipc/socket.c:3026 [inline] RIP: 0010:tipc_sk_create+0xd7e/0x28b0 net/tipc/socket.c:505 Code: 00 00 48 21 c3 0f 85 3d 05 00 00 e8 3c 66 80 f7 48 8b 5c 24 20 4d 85 ff 75 07 e8 2d 66 80 f7 eb 06 e8 26 66 80 f7 fb 4c 89 f7 04 00 00 00 e8 c8 d5 d7 f7 43 0f b6 44 25 00 84 c0 0f 85 91 06 RSP: 0018:ffffc9001989fc20 EFLAGS: 00000283 RAX: ffffffff8a052a9a RBX: ffff88805f016000 RCX: 0000000000080000 RDX: ffffc90005209000 RSI: 000000000001b307 RDI: ffff88805f069290 RBP: ffffc9001989fe00 R08: ffffffff8e4a212f R09: 1ffffffff1c94425 R10: dffffc0000000000 R11: fffffbfff1c94426 R12: dffffc0000000000 R13: 1ffff1100be0d252 R14: ffff88805f069290 R15: 0000000000000200 __sock_create+0x4a6/0x940 net/socket.c:1571 sock_create net/socket.c:1627 [inline] __sys_socketpair+0x236/0x550 net/socket.c:1782 __do_sys_socketpair net/socket.c:1831 [inline] __se_sys_socketpair net/socket.c:1828 [inline] __x64_sys_socketpair+0x9b/0xb0 net/socket.c:1828 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fed73b8f749 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:00007fed749fc038 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007fed73de5fa0 RCX: 00007fed73b8f749 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 000000000000001e RBP: 00007fed73c13f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000200000000740 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fed73de6038 R14: 00007fed73de5fa0 R15: 00007fffcf68e288 bridge0: received packet on team0 with own address as source address (addr:aa:aa:aa:aa:aa:20, vlan:0) bridge0: received packet on team0 with own address as source address (addr:aa:aa:aa:aa:aa:20, vlan:0) bridge0: received packet on team0 with own address as source address (addr:aa:aa:aa:aa:aa:20, vlan:0) bridge0: received packet on team0 with own address as source address (addr:aa:aa:aa:aa:aa:20, vlan:0)