[ 92.996474][ T721] tun: Universal TUN/TAP device driver, 1.6
[ 95.878670][ T727] ------------[ cut here ]------------
[ 95.879250][ T727] WARNING: CPU: 2 PID: 727 at ./include/net/sch_generic.h:843 __dev_xmit_skb+0x77d/0x1540
[ 95.879908][ T727] Modules linked in: xt_tcpudp xt_conntrack tun nf_conntrack_netlink nft_masq nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ts_kmp ts_bm xt_string nft_compat nf_tables dummy ebtable_filter ebt_redirect ebt_ip ebtable_broute ebtables x_tables bridge stp llc veth
[ 95.881786][ T727] CPU: 2 UID: 0 PID: 727 Comm: packetdrill Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 95.882552][ T727] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 95.883043][ T727] RIP: 0010:__dev_xmit_skb+0x77d/0x1540
[ 95.883456][ T727] Code: 7d 06 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 7e 0d 00 00 66 83 7d 06 00 74 04 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 49 8d 7c 24 28 48 89 fa 48
[ 95.884775][ T727] RSP: 0018:ffffc900012f6e20 EFLAGS: 00010202
[ 95.885271][ T727] RAX: 0000000000000007 RBX: 0000000000000001 RCX: ffffffff9dc1eef5
[ 95.885843][ T727] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8880155cb606
[ 95.886424][ T727] RBP: ffff8880155cb600 R08: ffff888014734040 R09: ffffed10023edb33
[ 95.886987][ T727] R10: ffff888011f6d99f R11: ffffc900012f6b38 R12: ffff888014734040
[ 95.887762][ T727] R13: ffff888011f6d800 R14: ffff888011f6da08 R15: ffff888011f6d800
[ 95.888345][ T727] FS: 000000001e9293c0(0000) GS:ffff888095eec000(0000) knlGS:0000000000000000
[ 95.889014][ T727] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 95.889503][ T727] CR2: 00007f5a7bfb3000 CR3: 0000000011c59003 CR4: 0000000000772ef0
[ 95.890072][ T727] PKRU: 55555554
[ 95.890381][ T727] Call Trace:
[ 95.890677][ T727]
[ 95.890898][ T727] ? dev_get_stats+0xc20/0xc20
[ 95.891301][ T727] ? rcu_is_watching+0x12/0xb0
[ 95.891689][ T727] ? lock_acquire+0x104/0x160
[ 95.892080][ T727] __dev_queue_xmit+0x94c/0x18d0
[ 95.892482][ T727] ? __lock_acquire+0x449/0x7e0
[ 95.892873][ T727] ? netdev_core_pick_tx+0x2f0/0x2f0
[ 95.893268][ T727] ? mark_held_locks+0x49/0x70
[ 95.893655][ T727] ? neigh_connected_output+0x33f/0x500
[ 95.894044][ T727] ? lockdep_hardirqs_on+0x7c/0x110
[ 95.894443][ T727] ? neigh_connected_output+0x33f/0x500
[ 95.894857][ T727] ip_finish_output2+0x607/0x17c0
[ 95.895253][ T727] ? ip_skb_dst_mtu+0x355/0x820
[ 95.895638][ T727] ? ip_append_data.part.0+0x170/0x170
[ 95.896016][ T727] ? ip_skb_dst_mtu+0x35f/0x820
[ 95.896416][ T727] ? __ip_finish_output+0x152/0x540
[ 95.896811][ T727] ip_output+0x17f/0x3e0
[ 95.897118][ T727] __ip_queue_xmit+0x6b7/0x11c0
[ 95.897500][ T727] ? kmem_cache_alloc_node_noprof+0x2da/0x670
[ 95.897974][ T727] __tcp_transmit_skb+0x1850/0x3170
[ 95.898378][ T727] ? __tcp_select_window+0xea0/0xea0
[ 95.898779][ T727] ? __tcp_send_ack.part.0+0x68/0x6b0
[ 95.899165][ T727] ? __tcp_ack_snd_check+0x681/0x890
[ 95.899559][ T727] tcp_rcv_established+0x879/0x3650
[ 95.899943][ T727] ? find_held_lock+0x2b/0x80
[ 95.900336][ T727] ? tcp_check_space+0x610/0x610
[ 95.900720][ T727] ? ipv4_dst_check+0x167/0x2d0
[ 95.901118][ T727] tcp_v4_do_rcv+0x4a4/0x890
[ 95.901509][ T727] tcp_v4_rcv+0x1e4b/0x3180
[ 95.901909][ T727] ? tcp_filter+0xc0/0xc0
[ 95.902237][ T727] ip_protocol_deliver_rcu+0x82/0x350
[ 95.902626][ T727] ip_local_deliver_finish+0x33a/0x600
[ 95.903009][ T727] ? ip_local_deliver+0x1b0/0x1b0
[ 95.903399][ T727] __netif_receive_skb_one_core+0x108/0x180
[ 95.903867][ T727] ? __netif_receive_skb_list_core+0x980/0x980
[ 95.904346][ T727] ? rcu_is_watching+0x12/0xb0
[ 95.904731][ T727] ? lock_acquire+0x104/0x160
[ 95.905128][ T727] ? netif_receive_skb_internal+0x83/0x340
[ 95.905601][ T727] netif_receive_skb_internal+0xaf/0x340
[ 95.905985][ T727] ? __netif_receive_skb+0x150/0x150
[ 95.906374][ T727] ? _copy_from_iter+0x3d2/0x1340
[ 95.906769][ T727] ? rcu_is_watching+0x12/0xb0
[ 95.907159][ T727] netif_receive_skb+0x1b/0x30
[ 95.907542][ T727] tun_rx_batched.isra.0+0x386/0x730 [tun]
[ 95.908030][ T727] ? __lock_acquire+0x449/0x7e0
[ 95.908420][ T727] ? tun_setup+0x2d0/0x2d0 [tun]
[ 95.908823][ T727] ? rcu_is_watching+0x12/0xb0
[ 95.909211][ T727] ? lock_acquire+0x104/0x160
[ 95.909590][ T727] ? tun_get_user+0xb33/0x24c0 [tun]
[ 95.909984][ T727] tun_get_user+0x1586/0x24c0 [tun]
[ 95.910392][ T727] ? tun_build_skb+0x11d0/0x11d0 [tun]
[ 95.910780][ T727] ? ref_tracker_dir_print+0x100/0x100
[ 95.911187][ T727] ? find_held_lock+0x2b/0x80
[ 95.911569][ T727] ? tun_get+0x106/0x240 [tun]
[ 95.911956][ T727] ? __lock_release+0x5d/0x170
[ 95.912350][ T727] ? tun_get+0x106/0x240 [tun]
[ 95.912736][ T727] tun_chr_write_iter+0xba/0x1b0 [tun]
[ 95.913132][ T727] do_iter_readv_writev+0x458/0x850
[ 95.913521][ T727] ? ksys_lseek+0x130/0x130
[ 95.913919][ T727] ? import_iovec+0x46/0x80
[ 95.914315][ T727] vfs_writev+0x230/0xbe0
[ 95.914607][ T727] ? validate_chain+0x15e/0x4d0
[ 95.914994][ T727] ? vfs_iocb_iter_write+0x970/0x970
[ 95.915383][ T727] ? __lock_acquire+0x449/0x7e0
[ 95.915770][ T727] ? find_held_lock+0x2b/0x80
[ 95.916466][ T727] ? __lock_release+0x5d/0x170
[ 95.916854][ T727] ? __fget_files+0x199/0x300
[ 95.917250][ T727] ? __fget_files+0x1a3/0x300
[ 95.917631][ T727] ? __rseq_handle_notify_resume+0x2a7/0x400
[ 95.918385][ T727] ? do_writev+0xf9/0x280
[ 95.918678][ T727] do_writev+0xf9/0x280
[ 95.918988][ T727] ? vfs_writev+0xbe0/0xbe0
[ 95.919388][ T727] do_syscall_64+0xc1/0xfd0
[ 95.920047][ T727] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 95.920526][ T727] RIP: 0033:0x4909bd
[ 95.920837][ T727] Code: 28 89 54 24 1c 48 89 74 24 10 89 7c 24 08 e8 fa 70 04 00 8b 54 24 1c 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 14 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 33 44 89 c7 48 89 44 24 08 e8 4e 71 04 00 48
[ 95.922466][ T727] RSP: 002b:00007ffde9846a90 EFLAGS: 00000293 ORIG_RAX: 0000000000000014
[ 95.923031][ T727] RAX: ffffffffffffffda RBX: 00007ffde98470d8 RCX: 00000000004909bd
[ 95.923888][ T727] RDX: 0000000000000002 RSI: 00007ffde9846ad0 RDI: 0000000000000006
[ 95.924464][ T727] RBP: 00007ffde9846b00 R08: 0000000000000000 R09: 00007ffde9846b60
[ 95.925027][ T727] R10: 7fffffffffffffff R11: 0000000000000293 R12: 00007ffde9847098
[ 95.925870][ T727] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 95.926466][ T727]
[ 95.926762][ T727] irq event stamp: 2055486
[ 95.927423][ T727] hardirqs last enabled at (2055498): [] __up_console_sem+0x67/0x70
[ 95.928082][ T727] hardirqs last disabled at (2055507): [] __up_console_sem+0x4c/0x70
[ 95.929016][ T727] softirqs last enabled at (2054160): [] handle_softirqs+0x352/0x610
[ 95.929683][ T727] softirqs last disabled at (2054162): [] tun_rx_batched.isra.0+0x3e8/0x730 [tun]
[ 95.930670][ T727] ---[ end trace 0000000000000000 ]---
[ 96.801649][ T727] packetdrill (727) used greatest stack depth: 23552 bytes left