[ 14.238037][ T260] netdevsim netdevsim740 eni740np1: renamed from eth1 [ 14.365939][ T262] netdevsim netdevsim360 eni360np1: renamed from eth0 [ 15.189993][ T272] find (272) used greatest stack depth: 24448 bytes left [ 15.659558][ T278] ip (278) used greatest stack depth: 24336 bytes left [ 17.541505][ C0] ------------[ cut here ]------------ [ 17.542052][ C0] WARNING: CPU: 0 PID: 294 at ./include/net/sch_generic.h:843 __dev_xmit_skb+0xdf5/0x1540 [ 17.542693][ C0] Modules linked in: netdevsim psample [ 17.543106][ C0] CPU: 0 UID: 0 PID: 294 Comm: socat Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full) [ 17.543758][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.544209][ C0] RIP: 0010:__dev_xmit_skb+0xdf5/0x1540 [ 17.544584][ C0] Code: ea 03 0f b6 04 02 48 89 fa 83 e2 07 38 d0 7f 09 84 c0 74 05 e8 1c c6 e8 fe 41 c6 87 b0 01 00 00 00 45 31 ed e9 06 f6 ff ff 90 <0f> 0b 90 e9 00 ff ff ff be 08 00 00 00 48 89 ef e8 56 cc e8 fe f0 [ 17.545864][ C0] RSP: 0018:ffffc900000076a0 EFLAGS: 00010202 [ 17.546321][ C0] RAX: 0000000000000001 RBX: ffffe8ffffc09010 RCX: 0000000000000000 [ 17.546890][ C0] RDX: 0000000000000007 RSI: ffffffffa10602c0 RDI: ffff88801190e106 [ 17.547483][ C0] RBP: ffff8880119a5198 R08: 0000000000000001 R09: 0000000000000001 [ 17.548074][ C0] R10: 000000000000a000 R11: ffff8880119a5228 R12: ffff88800fc2c128 [ 17.548814][ C0] R13: ffff88801190e100 R14: ffff8880119a5210 R15: ffff8880119a5000 [ 17.549390][ C0] FS: 00007f79e2b5ab80(0000) GS:ffff8880c9b08000(0000) knlGS:0000000000000000 [ 17.550080][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 17.550568][ C0] CR2: 00007f79e2cd5720 CR3: 0000000014d9f001 CR4: 0000000000772ef0 [ 17.551170][ C0] PKRU: 55555554 [ 17.551454][ C0] Call Trace: [ 17.551769][ C0] [ 17.551955][ C0] ? napi_hash_add+0x250/0x250 [ 17.552316][ C0] ? dev_get_stats+0xc20/0xc20 [ 17.552730][ C0] __dev_queue_xmit+0x95c/0x18e0 [ 17.553112][ C0] ? __lock_acquire+0x449/0x7e0 [ 17.553491][ C0] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 17.553879][ C0] ? eth_header+0x154/0x190 [ 17.554254][ C0] ? neigh_resolve_output+0x3d3/0x7c0 [ 17.554638][ C0] ? __neigh_update+0x5ce/0x24c0 [ 17.555013][ C0] __neigh_update+0x6bb/0x24c0 [ 17.555402][ C0] arp_process+0x7e6/0x2220 [ 17.555809][ C0] ? arp_send+0x90/0x90 [ 17.556091][ C0] ? arch_stack_walk+0x85/0xf0 [ 17.556474][ C0] ? __lock_acquire+0x449/0x7e0 [ 17.556858][ C0] ? arp_rcv.part.0+0x490/0x490 [ 17.557231][ C0] __netif_receive_skb_one_core+0x108/0x180 [ 17.557714][ C0] ? __netif_receive_skb_list_core+0x980/0x980 [ 17.558184][ C0] ? rcu_is_watching+0x12/0xb0 [ 17.558559][ C0] ? lock_acquire+0x104/0x160 [ 17.558945][ C0] ? netif_receive_skb_internal+0x83/0x340 [ 17.559417][ C0] netif_receive_skb_internal+0xaf/0x340 [ 17.559804][ C0] ? __netif_receive_skb+0x150/0x150 [ 17.560190][ C0] ? mark_held_locks+0x49/0x70 [ 17.560564][ C0] ? _raw_spin_unlock_irqrestore+0x59/0x70 [ 17.561052][ C0] ? lockdep_hardirqs_on+0x7c/0x110 [ 17.561440][ C0] ? rcu_is_watching+0x12/0xb0 [ 17.561829][ C0] netif_receive_skb+0x1b/0x30 [ 17.562204][ C0] nsim_poll+0x28b/0x5c0 [netdevsim] [ 17.562603][ C0] ? nsim_start_peer_tx_queue.isra.0+0x340/0x340 [netdevsim] [ 17.563179][ C0] ? rcu_is_watching+0x12/0xb0 [ 17.563553][ C0] __napi_poll.constprop.0+0x9b/0x460 [ 17.563940][ C0] net_rx_action+0x49c/0xd30 [ 17.564325][ C0] ? run_backlog_napi+0x70/0x70 [ 17.564704][ C0] ? clockevents_program_event+0xf3/0x2f0 [ 17.565076][ C0] ? lock_downgrade+0xa0/0xb0 [ 17.565455][ C0] ? kvm_clock_get_cycles+0x18/0x30 [ 17.565837][ C0] ? ktime_get+0xba/0x1f0 [ 17.566128][ C0] ? clockevents_program_event+0x1e4/0x2f0 [ 17.566620][ C0] handle_softirqs+0x215/0x610 [ 17.567000][ C0] ? __neigh_event_send+0x2ef/0x1010 [ 17.567374][ C0] do_softirq+0xad/0xe0 [ 17.567668][ C0] [ 17.567863][ C0] [ 17.568051][ C0] __local_bh_enable_ip+0x101/0x120 [ 17.568430][ C0] __neigh_event_send+0x2f4/0x1010 [ 17.568829][ C0] neigh_resolve_output+0x437/0x7c0 [ 17.569204][ C0] ? __local_bh_enable_ip+0xa9/0x120 [ 17.569591][ C0] ? ___neigh_create+0x7ec/0xed0 [ 17.569977][ C0] ip_finish_output2+0x66d/0x1850 [ 17.570356][ C0] ? ip_skb_dst_mtu+0x46d/0x9c0 [ 17.570756][ C0] ? ip_append_data.part.0+0x170/0x170 [ 17.571136][ C0] ? ip_skb_dst_mtu+0x477/0x9c0 [ 17.571520][ C0] ? __ip_finish_output+0x152/0x540 [ 17.571910][ C0] ip_output+0x1cc/0x670 [ 17.572201][ C0] ? ip_finish_output+0x2d0/0x2d0 [ 17.572588][ C0] ? find_held_lock+0x2b/0x80 [ 17.572981][ C0] __ip_queue_xmit+0x6b7/0x11c0 [ 17.573359][ C0] ? __skb_clone+0x571/0x750 [ 17.573748][ C0] __tcp_transmit_skb+0x1884/0x3370 [ 17.574145][ C0] ? __tcp_select_window+0x1030/0x1030 [ 17.574524][ C0] ? tcp_call_bpf+0x202/0x2e0 [ 17.574961][ C0] tcp_connect+0xd8e/0x1500 [ 17.575348][ C0] tcp_v4_connect+0x11b0/0x1910 [ 17.575746][ C0] ? tcp_v4_conn_request+0x270/0x270 [ 17.576121][ C0] ? do_raw_spin_lock+0x130/0x270 [ 17.576500][ C0] ? find_held_lock+0x2b/0x80 [ 17.576898][ C0] __inet_stream_connect+0x267/0x9d0 [ 17.577285][ C0] ? __local_bh_enable_ip+0xa9/0x120 [ 17.577674][ C0] ? __inet_stream_connect+0x9d0/0x9d0 [ 17.578048][ C0] inet_stream_connect+0x57/0xa0 [ 17.578429][ C0] __sys_connect+0x1a8/0x260 [ 17.578821][ C0] ? __sys_connect_file+0x1d0/0x1d0 [ 17.579199][ C0] ? do_fcntl+0x786/0x920 [ 17.579487][ C0] ? f_getown+0x270/0x270 [ 17.579789][ C0] ? fd_install+0x19d/0x4e0 [ 17.580168][ C0] ? __sys_socket+0x162/0x1d0 [ 17.580547][ C0] ? update_socket_protocol+0x10/0x10 [ 17.580968][ C0] __x64_sys_connect+0x72/0xb0 [ 17.581363][ C0] ? lockdep_hardirqs_on+0x7c/0x110 [ 17.581761][ C0] do_syscall_64+0xc1/0xfd0 [ 17.582150][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.582641][ C0] RIP: 0033:0x7f79e2cb6d67 [ 17.583036][ C0] Code: 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2a 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 18 89 54 24 0c 48 89 34 24 89 [ 17.584405][ C0] RSP: 002b:00007fff6820b6f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 17.584986][ C0] RAX: ffffffffffffffda RBX: 000055b27f582d10 RCX: 00007f79e2cb6d67 [ 17.585560][ C0] RDX: 0000000000000010 RSI: 00007fff6820c070 RDI: 0000000000000008 [ 17.586141][ C0] RBP: 00007fff6820c070 R08: 00007fff6820b700 R09: 0000000000000010 [ 17.586719][ C0] R10: 000000000000be23 R11: 0000000000000246 R12: 0000000000000010 [ 17.587288][ C0] R13: 0000000000000008 R14: 00007fff6820b9a0 R15: 00007fff6820c070 [ 17.587890][ C0] [ 17.588182][ C0] irq event stamp: 87224 [ 17.588468][ C0] hardirqs last enabled at (87232): [] __up_console_sem+0x67/0x70 [ 17.589145][ C0] hardirqs last disabled at (87241): [] __up_console_sem+0x4c/0x70 [ 17.589809][ C0] softirqs last enabled at (85998): [] __neigh_event_send+0x2ef/0x1010 [ 17.590475][ C0] softirqs last disabled at (85999): [] do_softirq+0xad/0xe0 [ 17.591164][ C0] ---[ end trace 0000000000000000 ]---