[ 14.297366][ T260] netdevsim netdevsim502 eni502np1: renamed from eth0 [ 14.323421][ T261] netdevsim netdevsim581 eni581np1: renamed from eth1 [ 16.161967][ T278] ip (278) used greatest stack depth: 24592 bytes left [ 17.421877][ C1] ------------[ cut here ]------------ [ 17.422444][ C1] WARNING: CPU: 1 PID: 290 at ./include/net/sch_generic.h:843 __dev_xmit_skb+0xdf5/0x1540 [ 17.423077][ C1] Modules linked in: netdevsim psample [ 17.423527][ C1] CPU: 1 UID: 0 PID: 290 Comm: tfo Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full) [ 17.424186][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.424640][ C1] RIP: 0010:__dev_xmit_skb+0xdf5/0x1540 [ 17.425016][ C1] 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 [ 17.426324][ C1] RSP: 0018:ffffc900001c06a0 EFLAGS: 00010202 [ 17.426787][ C1] RAX: 0000000000000001 RBX: ffffe8ffffc877e0 RCX: 0000000000000000 [ 17.427341][ C1] RDX: 0000000000000007 RSI: ffffffff84c602c0 RDI: ffff88800d40b286 [ 17.427890][ C1] RBP: ffff88800bea2198 R08: 0000000000000001 R09: 0000000000000001 [ 17.428438][ C1] R10: 000000000000a000 R11: ffff88800bea2228 R12: ffff88800f490128 [ 17.428979][ C1] R13: ffff88800d40b280 R14: ffff88800bea2210 R15: ffff88800bea2000 [ 17.429668][ C1] FS: 00007f69367eeb80(0000) GS:ffff8880df988000(0000) knlGS:0000000000000000 [ 17.430318][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 17.430791][ C1] CR2: 00007f69369013a0 CR3: 000000000e7e0005 CR4: 0000000000772ef0 [ 17.431342][ C1] PKRU: 55555554 [ 17.431616][ C1] Call Trace: [ 17.431890][ C1] [ 17.432088][ C1] ? napi_hash_add+0x250/0x250 [ 17.432465][ C1] ? dev_get_stats+0xc20/0xc20 [ 17.432834][ C1] __dev_queue_xmit+0x95c/0x18e0 [ 17.433210][ C1] ? __lock_acquire+0x449/0x7e0 [ 17.433577][ C1] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 17.433942][ C1] ? eth_header+0x154/0x190 [ 17.434312][ C1] ? neigh_resolve_output+0x3d3/0x7c0 [ 17.434680][ C1] ? __neigh_update+0x5ce/0x24c0 [ 17.435041][ C1] __neigh_update+0x6bb/0x24c0 [ 17.435424][ C1] arp_process+0x7e6/0x2220 [ 17.435791][ C1] ? arp_send+0x90/0x90 [ 17.436058][ C1] ? arch_stack_walk+0x9b/0xf0 [ 17.436438][ C1] ? __lock_acquire+0x449/0x7e0 [ 17.436796][ C1] ? arp_rcv.part.0+0x490/0x490 [ 17.437155][ C1] __netif_receive_skb_one_core+0x108/0x180 [ 17.437606][ C1] ? __netif_receive_skb_list_core+0x980/0x980 [ 17.438049][ C1] ? rcu_is_watching+0x12/0xb0 [ 17.438426][ C1] ? lock_acquire+0x104/0x160 [ 17.438780][ C1] ? netif_receive_skb_internal+0x83/0x340 [ 17.439236][ C1] netif_receive_skb_internal+0xaf/0x340 [ 17.439597][ C1] ? __netif_receive_skb+0x150/0x150 [ 17.439954][ C1] ? mark_held_locks+0x49/0x70 [ 17.440319][ C1] ? _raw_spin_unlock_irqrestore+0x59/0x70 [ 17.440772][ C1] ? lockdep_hardirqs_on+0x7c/0x110 [ 17.441132][ C1] ? rcu_is_watching+0x12/0xb0 [ 17.441499][ C1] netif_receive_skb+0x1b/0x30 [ 17.441860][ C1] nsim_poll+0x28b/0x5c0 [netdevsim] [ 17.442250][ C1] ? nsim_start_peer_tx_queue.isra.0+0x340/0x340 [netdevsim] [ 17.442791][ C1] ? rcu_is_watching+0x12/0xb0 [ 17.443151][ C1] __napi_poll.constprop.0+0x9b/0x460 [ 17.443521][ C1] net_rx_action+0x49c/0xd30 [ 17.443887][ C1] ? run_backlog_napi+0x70/0x70 [ 17.444274][ C1] ? clockevents_program_event+0xf3/0x2f0 [ 17.444636][ C1] ? lock_downgrade+0xa0/0xb0 [ 17.445002][ C1] ? kvm_clock_get_cycles+0x18/0x30 [ 17.445374][ C1] ? ktime_get+0xba/0x1f0 [ 17.445649][ C1] ? clockevents_program_event+0x1e4/0x2f0 [ 17.446107][ C1] handle_softirqs+0x215/0x610 [ 17.446486][ C1] ? __neigh_event_send+0x2ef/0x1010 [ 17.446847][ C1] do_softirq+0xad/0xe0 [ 17.447115][ C1] [ 17.447320][ C1] [ 17.447503][ C1] __local_bh_enable_ip+0x101/0x120 [ 17.447859][ C1] __neigh_event_send+0x2f4/0x1010 [ 17.448230][ C1] neigh_resolve_output+0x437/0x7c0 [ 17.448598][ C1] ? __local_bh_enable_ip+0xa9/0x120 [ 17.448959][ C1] ? ___neigh_create+0x7ec/0xed0 [ 17.449333][ C1] ip_finish_output2+0x66d/0x1850 [ 17.449695][ C1] ? ip_skb_dst_mtu+0x46d/0x9c0 [ 17.450056][ C1] ? ip_append_data.part.0+0x170/0x170 [ 17.450420][ C1] ? ip_skb_dst_mtu+0x477/0x9c0 [ 17.450786][ C1] ? __ip_finish_output+0x152/0x540 [ 17.451144][ C1] ip_output+0x1cc/0x670 [ 17.451429][ C1] ? ip_finish_output+0x2d0/0x2d0 [ 17.451785][ C1] ? find_held_lock+0x2b/0x80 [ 17.452160][ C1] __ip_queue_xmit+0x6b7/0x11c0 [ 17.452528][ C1] ? __skb_clone+0x571/0x750 [ 17.452888][ C1] __tcp_transmit_skb+0x1884/0x3370 [ 17.453264][ C1] ? __tcp_select_window+0x1030/0x1030 [ 17.453622][ C1] ? tcp_fastopen_cache_get+0x267/0x510 [ 17.453984][ C1] ? __lock_release+0x5d/0x170 [ 17.454361][ C1] ? tcp_fastopen_no_cookie+0x18/0x150 [ 17.454726][ C1] tcp_send_syn_data+0xac5/0x2280 [ 17.455093][ C1] tcp_connect+0x9ba/0x1500 [ 17.455467][ C1] tcp_v4_connect+0x11b0/0x1910 [ 17.455836][ C1] ? tcp_v4_conn_request+0x270/0x270 [ 17.456197][ C1] ? kasan_save_stack+0x34/0x40 [ 17.456553][ C1] ? kasan_save_track+0x14/0x30 [ 17.456911][ C1] ? __kasan_kmalloc+0x7b/0x90 [ 17.457274][ C1] ? tcp_sendmsg_fastopen+0x1ef/0x650 [ 17.457630][ C1] ? tcp_sendmsg_locked+0x857/0x3750 [ 17.457983][ C1] ? tcp_sendmsg+0x2c/0x40 [ 17.458345][ C1] ? __sys_sendto+0x24b/0x380 [ 17.458708][ C1] tcp_v6_connect+0x6e8/0x1b90 [ 17.459068][ C1] ? __lock_acquire+0x449/0x7e0 [ 17.459445][ C1] ? inet6_sk_rx_dst_set+0x230/0x230 [ 17.459805][ C1] ? find_held_lock+0x2b/0x80 [ 17.460179][ C1] ? _raw_spin_unlock_irqrestore+0x46/0x70 [ 17.460627][ C1] ? rcu_is_watching+0x12/0xb0 [ 17.460991][ C1] __inet_stream_connect+0x267/0x9d0 [ 17.461353][ C1] ? kasan_save_track+0x14/0x30 [ 17.461714][ C1] tcp_sendmsg_fastopen+0x365/0x650 [ 17.462088][ C1] tcp_sendmsg_locked+0x857/0x3750 [ 17.462456][ C1] ? validate_chain+0x15e/0x4d0 [ 17.462813][ C1] ? rcu_read_lock_any_held+0x3f/0xa0 [ 17.463181][ C1] ? __lock_acquire+0x449/0x7e0 [ 17.463543][ C1] ? tcp_sendmsg_fastopen+0x650/0x650 [ 17.463900][ C1] ? find_held_lock+0x2b/0x80 [ 17.464268][ C1] ? __local_bh_enable_ip+0xa9/0x120 [ 17.464632][ C1] tcp_sendmsg+0x2c/0x40 [ 17.464901][ C1] __sys_sendto+0x24b/0x380 [ 17.465265][ C1] ? __ia32_sys_getpeername+0xb0/0xb0 [ 17.465631][ C1] ? fd_install+0x18e/0x4e0 [ 17.465990][ C1] ? __lock_release+0x5d/0x170 [ 17.466369][ C1] ? fd_install+0x19d/0x4e0 [ 17.466727][ C1] ? __sys_socket+0x162/0x1d0 [ 17.467085][ C1] ? update_socket_protocol+0x10/0x10 [ 17.467453][ C1] ? do_user_addr_fault+0x955/0xe00 [ 17.467817][ C1] __x64_sys_sendto+0xe0/0x1b0 [ 17.468179][ C1] ? do_syscall_64+0x85/0xfd0 [ 17.468537][ C1] ? lockdep_hardirqs_on+0x7c/0x110 [ 17.468895][ C1] do_syscall_64+0xc1/0xfd0 [ 17.469261][ C1] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.469705][ C1] RIP: 0033:0x7f693690127a [ 17.470083][ C1] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89 [ 17.471706][ C1] RSP: 002b:00007fffdf5c6038 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 17.472551][ C1] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f693690127a [ 17.473098][ C1] RDX: 000000000000000d RSI: 000000000040213e RDI: 0000000000000005 [ 17.473647][ C1] RBP: 0000000000000005 R08: 00000000004040c0 R09: 000000000000001c [ 17.474466][ C1] R10: 0000000020000000 R11: 0000000000000246 R12: 00007fffdf5c69d8 [ 17.475014][ C1] R13: 0000000000401150 R14: 0000000000403dd8 R15: 00007f6936a40000 [ 17.475853][ C1] [ 17.476125][ C1] irq event stamp: 66304 [ 17.476405][ C1] hardirqs last enabled at (66314): [] __up_console_sem+0x67/0x70 [ 17.477046][ C1] hardirqs last disabled at (66321): [] __up_console_sem+0x4c/0x70 [ 17.477951][ C1] softirqs last enabled at (64878): [] __neigh_event_send+0x2ef/0x1010 [ 17.478590][ C1] softirqs last disabled at (64879): [] do_softirq+0xad/0xe0 [ 17.479497][ C1] ---[ end trace 0000000000000000 ]---