[ 49.682284][ T433] tun: Universal TUN/TAP device driver, 1.6
[ 52.821465][ T439] ------------[ cut here ]------------
[ 52.821999][ T439] WARNING: CPU: 3 PID: 439 at ./include/net/sch_generic.h:843 __dev_xmit_skb+0x77d/0x1540
[ 52.822726][ T439] Modules linked in: xt_tcpudp xt_conntrack nft_compat x_tables tun nf_conntrack_netlink nft_masq nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables
[ 52.824091][ T439] CPU: 3 UID: 0 PID: 439 Comm: packetdrill Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 52.824885][ T439] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 52.825380][ T439] RIP: 0010:__dev_xmit_skb+0x77d/0x1540
[ 52.825760][ T439] 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
[ 52.827198][ T439] RSP: 0018:ffffc90000c46e20 EFLAGS: 00010202
[ 52.827710][ T439] RAX: 0000000000000007 RBX: 0000000000000001 RCX: ffffffffb841eef5
[ 52.828322][ T439] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888004c98886
[ 52.828915][ T439] RBP: ffff888004c98880 R08: ffff88800517c580 R09: ffffed1001261233
[ 52.829513][ T439] R10: ffff88800930919f R11: ffffc90000c46b38 R12: ffff88800517c580
[ 52.830277][ T439] R13: ffff888009309000 R14: ffff888009309208 R15: ffff888009309000
[ 52.830875][ T439] FS: 000000000b6573c0(0000) GS:ffff88807b76c000(0000) knlGS:0000000000000000
[ 52.831592][ T439] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 52.832080][ T439] CR2: 00007fd92a224000 CR3: 000000000c9bd002 CR4: 0000000000772ef0
[ 52.832700][ T439] PKRU: 55555554
[ 52.832976][ T439] Call Trace:
[ 52.833283][ T439]
[ 52.833488][ T439] ? dev_get_stats+0xc20/0xc20
[ 52.833883][ T439] ? rcu_is_watching+0x12/0xb0
[ 52.834300][ T439] ? lock_acquire+0x104/0x160
[ 52.834691][ T439] __dev_queue_xmit+0x94c/0x18d0
[ 52.835087][ T439] ? __lock_acquire+0x449/0x7e0
[ 52.835495][ T439] ? netdev_core_pick_tx+0x2f0/0x2f0
[ 52.835887][ T439] ? mark_held_locks+0x49/0x70
[ 52.836298][ T439] ? neigh_connected_output+0x33f/0x500
[ 52.836689][ T439] ? lockdep_hardirqs_on+0x7c/0x110
[ 52.837080][ T439] ? neigh_connected_output+0x33f/0x500
[ 52.837495][ T439] ip_finish_output2+0x607/0x17c0
[ 52.837866][ T439] ? ip_skb_dst_mtu+0x355/0x820
[ 52.838251][ T439] ? ip_append_data.part.0+0x170/0x170
[ 52.838636][ T439] ? ip_skb_dst_mtu+0x35f/0x820
[ 52.839022][ T439] ? __ip_finish_output+0x152/0x540
[ 52.839410][ T439] ip_output+0x17f/0x3e0
[ 52.839689][ T439] __ip_queue_xmit+0x6b7/0x11c0
[ 52.840079][ T439] ? kmem_cache_alloc_node_noprof+0x2da/0x670
[ 52.840607][ T439] __tcp_transmit_skb+0x1850/0x3170
[ 52.840995][ T439] ? __tcp_select_window+0xea0/0xea0
[ 52.841404][ T439] ? __tcp_send_ack.part.0+0x68/0x6b0
[ 52.841774][ T439] ? __tcp_ack_snd_check+0x681/0x890
[ 52.842161][ T439] tcp_rcv_established+0x879/0x3650
[ 52.842582][ T439] ? find_held_lock+0x2b/0x80
[ 52.842993][ T439] ? tcp_check_space+0x610/0x610
[ 52.843424][ T439] ? ipv4_dst_check+0x167/0x2d0
[ 52.843794][ T439] tcp_v4_do_rcv+0x4a4/0x890
[ 52.844157][ T439] tcp_v4_rcv+0x1e4b/0x3180
[ 52.844564][ T439] ? tcp_filter+0xc0/0xc0
[ 52.844874][ T439] ip_protocol_deliver_rcu+0x82/0x350
[ 52.845300][ T439] ip_local_deliver_finish+0x33a/0x600
[ 52.845684][ T439] ? ip_local_deliver+0x1b0/0x1b0
[ 52.846083][ T439] __netif_receive_skb_one_core+0x108/0x180
[ 52.846569][ T439] ? __netif_receive_skb_list_core+0x980/0x980
[ 52.847040][ T439] ? rcu_is_watching+0x12/0xb0
[ 52.847438][ T439] ? lock_acquire+0x104/0x160
[ 52.847828][ T439] ? netif_receive_skb_internal+0x83/0x340
[ 52.848328][ T439] netif_receive_skb_internal+0xaf/0x340
[ 52.848700][ T439] ? __netif_receive_skb+0x150/0x150
[ 52.849058][ T439] ? _copy_from_iter+0x3d2/0x1340
[ 52.849495][ T439] ? rcu_is_watching+0x12/0xb0
[ 52.849875][ T439] netif_receive_skb+0x1b/0x30
[ 52.850244][ T439] tun_rx_batched.isra.0+0x386/0x730 [tun]
[ 52.850744][ T439] ? __lock_acquire+0x449/0x7e0
[ 52.851122][ T439] ? tun_setup+0x2d0/0x2d0 [tun]
[ 52.851517][ T439] ? rcu_is_watching+0x12/0xb0
[ 52.851927][ T439] ? lock_acquire+0x104/0x160
[ 52.852358][ T439] ? tun_get_user+0xb33/0x24c0 [tun]
[ 52.852756][ T439] tun_get_user+0x1586/0x24c0 [tun]
[ 52.853163][ T439] ? tun_build_skb+0x11d0/0x11d0 [tun]
[ 52.853565][ T439] ? ref_tracker_dir_print+0x100/0x100
[ 52.853954][ T439] ? find_held_lock+0x2b/0x80
[ 52.854349][ T439] ? tun_get+0x106/0x240 [tun]
[ 52.854723][ T439] ? __lock_release+0x5d/0x170
[ 52.855086][ T439] ? tun_get+0x106/0x240 [tun]
[ 52.855527][ T439] tun_chr_write_iter+0xba/0x1b0 [tun]
[ 52.855906][ T439] do_iter_readv_writev+0x458/0x850
[ 52.856283][ T439] ? ksys_lseek+0x130/0x130
[ 52.856686][ T439] ? import_iovec+0x46/0x80
[ 52.857077][ T439] vfs_writev+0x230/0xbe0
[ 52.857382][ T439] ? validate_chain+0x15e/0x4d0
[ 52.857754][ T439] ? vfs_iocb_iter_write+0x970/0x970
[ 52.858157][ T439] ? __lock_acquire+0x449/0x7e0
[ 52.858584][ T439] ? find_held_lock+0x2b/0x80
[ 52.858984][ T439] ? __lock_release+0x5d/0x170
[ 52.859402][ T439] ? __fget_files+0x199/0x300
[ 52.859764][ T439] ? __fget_files+0x1a3/0x300
[ 52.860123][ T439] ? __rseq_handle_notify_resume+0x2a7/0x400
[ 52.860650][ T439] ? do_writev+0xf9/0x280
[ 52.860949][ T439] do_writev+0xf9/0x280
[ 52.861256][ T439] ? vfs_writev+0xbe0/0xbe0
[ 52.861647][ T439] do_syscall_64+0xc1/0xfd0
[ 52.862021][ T439] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 52.862495][ T439] RIP: 0033:0x4909bd
[ 52.862783][ T439] 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
[ 52.864158][ T439] RSP: 002b:00007fffb6adbb50 EFLAGS: 00000293 ORIG_RAX: 0000000000000014
[ 52.864745][ T439] RAX: ffffffffffffffda RBX: 00007fffb6adc198 RCX: 00000000004909bd
[ 52.865341][ T439] RDX: 0000000000000002 RSI: 00007fffb6adbb90 RDI: 0000000000000006
[ 52.865934][ T439] RBP: 00007fffb6adbbc0 R08: 0000000000000000 R09: 00007fffb6adbc20
[ 52.866511][ T439] R10: 7fffffffffffffff R11: 0000000000000293 R12: 00007fffb6adc158
[ 52.867091][ T439] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 52.867684][ T439]
[ 52.867971][ T439] irq event stamp: 1881010
[ 52.868374][ T439] hardirqs last enabled at (1881020): [] __up_console_sem+0x67/0x70
[ 52.869061][ T439] hardirqs last disabled at (1881027): [] __up_console_sem+0x4c/0x70
[ 52.869736][ T439] softirqs last enabled at (1879962): [] tun_get_user+0x1426/0x24c0 [tun]
[ 52.870517][ T439] softirqs last disabled at (1879964): [] tun_rx_batched.isra.0+0x3e8/0x730 [tun]
[ 52.871257][ T439] ---[ end trace 0000000000000000 ]---
[ 53.735668][ T439] packetdrill (439) used greatest stack depth: 24000 bytes left