[ 11.380575][ T313] udpgso_bench_tx (313) used greatest stack depth: 22608 bytes left [ 13.189562][ C2] ------------[ cut here ]------------ [ 13.189848][ C2] WARNING: ./include/linux/skbuff.h:3239 at __udp4_lib_err_encap+0x69a/0xad0, CPU#2: kworker/u16:1/69 [ 13.190282][ C2] Modules linked in: xt_bpf xt_length nft_compat nf_tables vxlan [ 13.190766][ C2] CPU: 2 UID: 0 PID: 69 Comm: kworker/u16:1 Not tainted 7.0.0-virtme #1 PREEMPT(full) [ 13.191058][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.191335][ C2] Workqueue: ipv6_addrconf addrconf_dad_work [ 13.191564][ C2] RIP: 0010:__udp4_lib_err_encap+0x69a/0xad0 [ 13.191818][ C2] Code: 84 02 00 00 0f b6 2e 83 e5 0f 90 0f 0b 90 e9 ef fa ff ff 90 0f 0b 90 90 0f 0b 90 e9 bd fc ff ff 90 0f 0b 90 e9 57 fa ff ff 90 <0f> 0b 90 e9 65 fa ff ff 4c 8b 74 24 20 4c 8b 6c 24 28 4d 89 fa 45 [ 13.192357][ C2] RSP: 0018:ffa0000000228868 EFLAGS: 00010293 [ 13.192589][ C2] RAX: ff1100000d0fb4e4 RBX: ff1100000a0e58c0 RCX: 0000000000000000 [ 13.192843][ C2] RDX: ff1100000d0fb500 RSI: ff1100000d0fb4ec RDI: fffffffffffffff8 [ 13.193093][ C2] RBP: ff1100000d0fb4c0 R08: ff1100000d0fb4ec R09: 0000000000000000 [ 13.193351][ C2] R10: ff1100000a0e5978 R11: 0000000000000001 R12: 0000000000000000 [ 13.193615][ C2] R13: ff1100000a0e5988 R14: ff1100000a0e5976 R15: ff11000010220040 [ 13.193871][ C2] FS: 0000000000000000(0000) GS:ff110000d03d4000(0000) knlGS:0000000000000000 [ 13.194163][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 13.194546][ C2] CR2: 0000561ac3c01ae8 CR3: 000000000c1e0002 CR4: 0000000000771ef0 [ 13.194814][ C2] PKRU: 55555554 [ 13.194968][ C2] Call Trace: [ 13.195118][ C2] [ 13.195245][ C2] udp_err+0x403/0xc00 [ 13.195496][ C2] icmp_unreach+0x2f3/0xe00 [ 13.195699][ C2] ? __skb_checksum_complete+0xf3/0x320 [ 13.195884][ C2] icmp_rcv+0x92f/0xfb0 [ 13.196036][ C2] ip_protocol_deliver_rcu+0x82/0x350 [ 13.196229][ C2] ? process_backlog+0x561/0x1490 [ 13.196506][ C2] ip_local_deliver_finish+0x36f/0x610 [ 13.196702][ C2] ip_local_deliver+0x184/0x4c0 [ 13.197071][ C2] ? ip_local_deliver_finish+0x610/0x610 [ 13.197266][ C2] ? ip_protocol_deliver_rcu+0x350/0x350 [ 13.197653][ C2] ? process_backlog+0x561/0x1490 [ 13.197837][ C2] ip_rcv+0xdc/0x3d0 [ 13.197988][ C2] ? ip_local_deliver+0x4c0/0x4c0 [ 13.198174][ C2] ? validate_chain+0x38b/0xc20 [ 13.198363][ C2] ? mark_usage+0x61/0x170 [ 13.198656][ C2] ? __lock_acquire+0x508/0xc10 [ 13.198839][ C2] ? down_read_killable_nested+0x457/0x580 [ 13.199058][ C2] __netif_receive_skb_one_core+0xfc/0x180 [ 13.199282][ C2] ? lock_acquire.part.0+0xbc/0x260 [ 13.199469][ C2] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 13.199788][ C2] ? rcu_is_watching+0x15/0xd0 [ 13.200069][ C2] process_backlog+0x2bc/0x1490 [ 13.200263][ C2] __napi_poll+0xa3/0x3a0 [ 13.200413][ C2] net_rx_action+0x513/0xf50 [ 13.200610][ C2] ? __napi_poll+0x3a0/0x3a0 [ 13.200794][ C2] ? do_raw_spin_unlock+0x59/0x250 [ 13.200979][ C2] ? debug_object_activate+0x329/0x4b0 [ 13.201171][ C2] ? rcu_barrier_entrain+0x270/0x270 [ 13.201381][ C2] ? find_held_lock+0x2b/0x80 [ 13.201566][ C2] ? mark_held_locks+0x40/0x70 [ 13.201866][ C2] handle_softirqs+0x1d8/0x930 [ 13.202051][ C2] ? rcu_is_watching+0x15/0xd0 [ 13.202239][ C2] ? _raw_spin_unlock+0x2d/0x50 [ 13.202425][ C2] ? _local_bh_enable+0xd0/0xd0 [ 13.202621][ C2] ? rcu_is_watching+0x15/0xd0 [ 13.202808][ C2] do_softirq+0xa9/0xe0 [ 13.202960][ C2] [ 13.203171][ C2] [ 13.203284][ C2] ? __dev_queue_xmit+0x956/0x1b70 [ 13.203465][ C2] __local_bh_enable_ip+0x113/0x140 [ 13.203661][ C2] __dev_queue_xmit+0x96b/0x1b70 [ 13.203846][ C2] ? __lock_acquire+0x508/0xc10 [ 13.204031][ C2] ? find_held_lock+0x2b/0x80 [ 13.204221][ C2] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 13.204408][ C2] ? __asan_memcpy+0x3c/0x60 [ 13.204610][ C2] ? eth_header+0x14c/0x180 [ 13.204890][ C2] ? neigh_resolve_output.part.0+0x344/0x740 [ 13.205234][ C2] ip6_finish_output2+0x488/0x1310 [ 13.205422][ C2] ? ip6_xmit+0x2000/0x2000 [ 13.205615][ C2] ? find_held_lock+0x2b/0x80 [ 13.205892][ C2] ? __lock_release.isra.0+0x6b/0x1a0 [ 13.206177][ C2] ? ip6_mtu+0x174/0x410 [ 13.206329][ C2] ip6_finish_output+0x701/0xe80 [ 13.206513][ C2] ip6_output+0x23f/0x7f0 [ 13.206676][ C2] ? ip6_finish_output+0xe80/0xe80 [ 13.206953][ C2] ? lock_acquire.part.0+0xbc/0x260 [ 13.207135][ C2] ? find_held_lock+0x2b/0x80 [ 13.207325][ C2] ? __lock_release.isra.0+0x6b/0x1a0 [ 13.207509][ C2] ? __local_bh_enable_ip+0xa5/0x140 [ 13.207707][ C2] ndisc_send_skb+0xba3/0x1520 [ 13.207893][ C2] ? ndisc_recv_na+0xf20/0xf20 [ 13.208077][ C2] ? trace_hardirqs_off+0xd/0x30 [ 13.208265][ C2] ? try_to_grab_pending+0x77/0x830 [ 13.208448][ C2] ? mark_held_locks+0x40/0x70 [ 13.208646][ C2] ndisc_send_ns+0xa9/0x120 [ 13.208951][ C2] ? find_held_lock+0x2b/0x80 [ 13.209134][ C2] ? ndisc_parse_options+0x30/0x30 [ 13.209324][ C2] ? __rwlock_init+0x150/0x150 [ 13.209615][ C2] ? mark_held_locks+0x40/0x70 [ 13.209799][ C2] ? lockdep_hardirqs_on+0x8c/0x130 [ 13.209982][ C2] addrconf_dad_work+0x6c2/0x930 [ 13.210172][ C2] ? addrconf_dad_begin+0x540/0x540 [ 13.210356][ C2] ? process_one_work+0xdb4/0x1410 [ 13.210537][ C2] ? rcu_is_watching+0x15/0xd0 [ 13.210824][ C2] ? rcu_is_watching+0x15/0xd0 [ 13.211008][ C2] ? lock_acquire+0x134/0x160 [ 13.211197][ C2] ? rcu_is_watching+0x15/0xd0 [ 13.211381][ C2] process_one_work+0xdf5/0x1410 [ 13.211565][ C2] ? pwq_dec_nr_in_flight+0x710/0x710 [ 13.211758][ C2] ? lock_acquire.part.0+0xbc/0x260 [ 13.211943][ C2] ? find_held_lock+0x2b/0x80 [ 13.212128][ C2] worker_thread+0x4f1/0xd60 [ 13.212322][ C2] ? rescuer_thread+0x1320/0x1320 [ 13.212504][ C2] kthread+0x364/0x460 [ 13.212663][ C2] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 13.212877][ C2] ? kthread_affine_node+0x330/0x330 [ 13.213060][ C2] ret_from_fork+0x474/0x6b0 [ 13.213256][ C2] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 13.213475][ C2] ? __switch_to+0x5a3/0xe00 [ 13.213672][ C2] ? kthread_affine_node+0x330/0x330 [ 13.214040][ C2] ret_from_fork_asm+0x11/0x20 [ 13.214236][ C2] [ 13.214382][ C2] irq event stamp: 1644 [ 13.214530][ C2] hardirqs last enabled at (1654): [] __up_console_sem+0x5a/0x70 [ 13.214832][ C2] hardirqs last disabled at (1665): [] __up_console_sem+0x3f/0x70 [ 13.215115][ C2] softirqs last enabled at (208): [] __dev_queue_xmit+0x956/0x1b70 [ 13.215407][ C2] softirqs last disabled at (209): [] do_softirq+0xa9/0xe0 [ 13.215802][ C2] ---[ end trace 0000000000000000 ]--- [ 29.739414][ T743] udpgso_bench_tx (743) used greatest stack depth: 22016 bytes left [ 49.689503][ T1245] udpgso_bench_tx (1245) used greatest stack depth: 21488 bytes left [ 52.034027][ C2] ------------[ cut here ]------------ [ 52.034303][ C2] WARNING: ./include/linux/skbuff.h:3239 at __udp6_lib_err_encap+0x600/0x930, CPU#2: python3/1297 [ 52.034671][ C2] Modules linked in: geneve xt_bpf xt_length nft_compat nf_tables vxlan [ 52.034934][ C2] CPU: 2 UID: 0 PID: 1297 Comm: python3 Tainted: G W 7.0.0-virtme #1 PREEMPT(full) [ 52.035244][ C2] Tainted: [W]=WARN [ 52.035390][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 52.035607][ C2] RIP: 0010:__udp6_lib_err_encap+0x600/0x930 [ 52.035824][ C2] Code: 08 84 d2 0f 85 4f 02 00 00 44 8b 4b 28 e9 a9 fe ff ff 4c 8b 6c 24 20 4c 8b 7c 24 28 45 31 e4 4c 8b 74 24 30 e9 ce fd ff ff 90 <0f> 0b 90 48 29 c5 48 89 e8 48 81 fd ff ff 00 00 0f 86 09 fb ff ff [ 52.036321][ C2] RSP: 0000:ffa0000002e9f5c0 EFLAGS: 00010293 [ 52.036536][ C2] RAX: ff1100001288e340 RBX: ff1100000be72040 RCX: ff1100001288e3b0 [ 52.036787][ C2] RDX: ff1100001288e380 RSI: ff1100001288e388 RDI: fffffffffffffff8 [ 52.037023][ C2] RBP: ff1100001288e388 R08: 1fe22000017ce422 R09: ff1100000be72040 [ 52.037258][ C2] R10: ff11000010223e40 R11: 0000000000000004 R12: 0000000000000000 [ 52.037498][ C2] R13: ff1100000be720f6 R14: ff1100000be72108 R15: ff1100000be720f8 [ 52.037747][ C2] FS: 00007f3e5718e400(0000) GS:ff110000d03d4000(0000) knlGS:0000000000000000 [ 52.038023][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.038229][ C2] CR2: 00007f3e55b67110 CR3: 000000000a874002 CR4: 0000000000771ef0 [ 52.038473][ C2] PKRU: 55555554 [ 52.038623][ C2] Call Trace: [ 52.038762][ C2] [ 52.038872][ C2] ? find_held_lock+0x2b/0x80 [ 52.039054][ C2] udpv6_err+0x589/0xcc0 [ 52.039199][ C2] ? __udp6_lib_err_encap+0x930/0x930 [ 52.039368][ C2] ? fib6_table_lookup+0x110/0x110 [ 52.039552][ C2] icmpv6_notify+0x5d7/0x6b0 [ 52.039736][ C2] ? icmpv6_param_prob_reason+0x40/0x40 [ 52.039907][ C2] ? lock_acquire.part.0+0xbc/0x260 [ 52.040079][ C2] ? find_held_lock+0x2b/0x80 [ 52.040257][ C2] ? __lock_release.isra.0+0x6b/0x1a0 [ 52.040437][ C2] icmpv6_rcv+0xda9/0x1620 [ 52.040628][ C2] ip6_protocol_deliver_rcu+0x11b/0x1410 [ 52.040806][ C2] ip6_input_finish+0x196/0x590 [ 52.040979][ C2] ip6_input+0x130/0x570 [ 52.041119][ C2] ? ip6_input_finish+0x590/0x590 [ 52.041292][ C2] ? ip6_rcv_core+0xe22/0x1be0 [ 52.041475][ C2] ipv6_rcv+0x3c1/0x5a0 [ 52.041629][ C2] ? ip6_rcv_core+0x1be0/0x1be0 [ 52.041800][ C2] ? validate_chain+0x38b/0xc20 [ 52.041973][ C2] ? mark_usage+0x61/0x170 [ 52.042149][ C2] ? __lock_acquire+0x508/0xc10 [ 52.042322][ C2] ? process_backlog+0x561/0x1490 [ 52.042503][ C2] __netif_receive_skb_one_core+0xfc/0x180 [ 52.042721][ C2] ? lock_acquire.part.0+0xbc/0x260 [ 52.042892][ C2] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 52.043097][ C2] ? rcu_is_watching+0x15/0xd0 [ 52.043271][ C2] process_backlog+0x2bc/0x1490 [ 52.043449][ C2] __napi_poll+0xa3/0x3a0 [ 52.043603][ C2] net_rx_action+0x513/0xf50 [ 52.043778][ C2] ? __napi_poll+0x3a0/0x3a0 [ 52.043950][ C2] ? find_held_lock+0x2b/0x80 [ 52.044125][ C2] ? _raw_spin_unlock_irq+0x33/0x50 [ 52.044302][ C2] ? run_timer_softirq+0xf8/0x160 [ 52.044480][ C2] ? rcu_is_watching+0x15/0xd0 [ 52.044669][ C2] handle_softirqs+0x1d8/0x930 [ 52.044843][ C2] ? find_held_lock+0x2b/0x80 [ 52.045016][ C2] ? __lock_release.isra.0+0x6b/0x1a0 [ 52.045188][ C2] ? _local_bh_enable+0xd0/0xd0 [ 52.045362][ C2] __irq_exit_rcu+0x103/0x1c0 [ 52.045542][ C2] irq_exit_rcu+0xe/0x30 [ 52.045699][ C2] sysvec_apic_timer_interrupt+0x4c/0xe0 [ 52.045873][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 52.046076][ C2] RIP: 0033:0x7f3e57692674 [ 52.046257][ C2] Code: 10 00 00 00 00 48 89 43 48 49 8b 42 20 8b 10 81 fa ff ff ff bf 0f 86 1a 99 e6 ff 49 8b 52 28 48 89 43 18 8b 02 3d ff ff ff bf <0f> 87 46 01 00 00 83 c0 01 89 02 48 89 53 20 64 4d 8b 09 49 8b 41 [ 52.046787][ C2] RSP: 002b:00007ffe359f8930 EFLAGS: 00000212 [ 52.046994][ C2] RAX: 00000000c0000000 RBX: 00007f3e55d0e7a0 RCX: 0000000000000148 [ 52.047232][ C2] RDX: 00007f3e564bcff0 RSI: 0000000000000014 RDI: 0000000000000000 [ 52.047475][ C2] RBP: 00007ffe359f89c0 R08: 0000000000000010 R09: ffffffffffffffe8 [ 52.047721][ C2] R10: 00007f3e55adcca0 R11: 00007f3e57a5f0c0 R12: 00007f3e55d0e790 [ 52.047961][ C2] R13: 0000000000000000 R14: 00007ffe359f8f08 R15: 00007ffe359f8f08 [ 52.048202][ C2] [ 52.048342][ C2] irq event stamp: 253326 [ 52.048487][ C2] hardirqs last enabled at (253336): [] __up_console_sem+0x5a/0x70 [ 52.048764][ C2] hardirqs last disabled at (253347): [] __up_console_sem+0x3f/0x70 [ 52.049034][ C2] softirqs last enabled at (251554): [] handle_softirqs+0x60d/0x930 [ 52.049300][ C2] softirqs last disabled at (251591): [] __irq_exit_rcu+0x103/0x1c0 [ 52.049570][ C2] ---[ end trace 0000000000000000 ]--- [ 63.054199][ T1528] udpgso_bench_tx (1528) used greatest stack depth: 20768 bytes left