[ 28.395258][ T343] ------------[ cut here ]------------ [ 28.395825][ T343] WARNING: CPU: 0 PID: 343 at ./include/net/sch_generic.h:843 __dev_xmit_skb+0x786/0x1550 [ 28.396416][ T343] Modules linked in: [ 28.396730][ T343] CPU: 0 UID: 0 PID: 343 Comm: packetdrill Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full) [ 28.397420][ T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.397856][ T343] RIP: 0010:__dev_xmit_skb+0x786/0x1550 [ 28.398208][ T343] 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 86 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 [ 28.399447][ T343] RSP: 0018:ffffc90000ef6df0 EFLAGS: 00010202 [ 28.399902][ T343] RAX: 0000000000000007 RBX: 0000000000000001 RCX: ffffffff9fdf4955 [ 28.400416][ T343] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8880093f8886 [ 28.400936][ T343] RBP: ffff8880093f8880 R08: ffff888001fb4ac0 R09: ffffed1001c96533 [ 28.401452][ T343] R10: ffff88800e4b299f R11: ffffc90000ef6b08 R12: ffff888001fb4ac0 [ 28.401971][ T343] R13: ffff88800e4b2800 R14: ffff88800e4b2a08 R15: ffff88800e4b2800 [ 28.402490][ T343] FS: 000000002bc793c0(0000) GS:ffff888093c1a000(0000) knlGS:0000000000000000 [ 28.403089][ T343] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.403525][ T343] CR2: 0000000000000000 CR3: 000000000bebb001 CR4: 0000000000772ef0 [ 28.404039][ T343] PKRU: 55555554 [ 28.404297][ T343] Call Trace: [ 28.404563][ T343] [ 28.404861][ T343] ? dev_get_stats+0xc20/0xc20 [ 28.405207][ T343] ? rcu_is_watching+0x12/0xb0 [ 28.405561][ T343] ? lock_acquire+0x104/0x160 [ 28.405907][ T343] __dev_queue_xmit+0x912/0x17d0 [ 28.406259][ T343] ? netdev_core_pick_tx+0x320/0x320 [ 28.406605][ T343] ? find_held_lock+0x2b/0x80 [ 28.406948][ T343] ? mark_held_locks+0x49/0x70 [ 28.407288][ T343] ? neigh_connected_output+0x33b/0x500 [ 28.407636][ T343] ? lockdep_hardirqs_on+0x7c/0x110 [ 28.407979][ T343] ? neigh_connected_output+0x33b/0x500 [ 28.408326][ T343] ip_finish_output2+0x601/0x17c0 [ 28.408678][ T343] ? ip_skb_dst_mtu+0x355/0x820 [ 28.409026][ T343] ? ip_fragment.constprop.0+0x230/0x230 [ 28.409362][ T343] ? ip_skb_dst_mtu+0x35f/0x820 [ 28.409710][ T343] ? __ip_finish_output+0x27/0x2d0 [ 28.410052][ T343] ip_output+0x116/0x320 [ 28.410309][ T343] __ip_queue_xmit+0x6da/0x11d0 [ 28.410664][ T343] __tcp_transmit_skb+0x189a/0x3390 [ 28.411020][ T343] ? __tcp_select_window+0xea0/0xea0 [ 28.411360][ T343] ? napi_skb_cache_get+0x720/0x720 [ 28.411719][ T343] ? __tcp_send_ack.part.0+0x68/0x6a0 [ 28.412071][ T343] ? __tcp_ack_snd_check+0x681/0x890 [ 28.412413][ T343] tcp_rcv_established+0x86d/0x3640 [ 28.412765][ T343] ? find_held_lock+0x2b/0x80 [ 28.413107][ T343] ? tcp_check_space+0x610/0x610 [ 28.413445][ T343] ? ipv4_dst_check+0x167/0x2d0 [ 28.413799][ T343] tcp_v4_do_rcv+0x4aa/0x890 [ 28.414141][ T343] tcp_v4_rcv+0x1c64/0x2f70 [ 28.414493][ T343] ? raw_v4_input+0x2d2/0xa90 [ 28.414838][ T343] ? raw_v4_input+0x2d2/0xa90 [ 28.415174][ T343] ? tcp_filter+0xc0/0xc0 [ 28.415427][ T343] ? raw_v4_input+0x2dc/0xa90 [ 28.415772][ T343] ? __lock_acquire+0x449/0x7e0 [ 28.416116][ T343] ? raw_rcv+0x250/0x250 [ 28.416374][ T343] ? lock_acquire.part.0+0xb6/0x240 [ 28.416728][ T343] ip_protocol_deliver_rcu+0x6a/0x2a0 [ 28.417069][ T343] ip_local_deliver_finish.constprop.0+0x350/0x610 [ 28.417500][ T343] ? ip_local_deliver+0x150/0x150 [ 28.417839][ T343] __netif_receive_skb_one_core+0x108/0x180 [ 28.418260][ T343] ? __netif_receive_skb_list_core+0x980/0x980 [ 28.418688][ T343] ? rcu_is_watching+0x12/0xb0 [ 28.419038][ T343] ? lock_acquire+0x104/0x160 [ 28.419372][ T343] ? netif_receive_skb_internal+0x83/0x340 [ 28.419804][ T343] netif_receive_skb_internal+0xaf/0x340 [ 28.420144][ T343] ? __netif_receive_skb+0x150/0x150 [ 28.420488][ T343] ? _copy_from_iter+0x3d2/0x1340 [ 28.420832][ T343] ? rcu_is_watching+0x12/0xb0 [ 28.421175][ T343] netif_receive_skb+0x1b/0x30 [ 28.421520][ T343] tun_rx_batched.isra.0+0x386/0x730 [ 28.421861][ T343] ? __lock_acquire+0x449/0x7e0 [ 28.422200][ T343] ? tun_setup+0x2d0/0x2d0 [ 28.422556][ T343] ? rcu_is_watching+0x12/0xb0 [ 28.422893][ T343] ? lock_acquire+0x104/0x160 [ 28.423228][ T343] ? tun_get_user+0xb2c/0x24b0 [ 28.423579][ T343] tun_get_user+0x157f/0x24b0 [ 28.423932][ T343] ? tun_build_skb+0x11c0/0x11c0 [ 28.424276][ T343] ? ref_tracker_dir_print+0x100/0x100 [ 28.424631][ T343] ? find_held_lock+0x2b/0x80 [ 28.424969][ T343] ? tun_get+0x106/0x240 [ 28.425223][ T343] ? __lock_release+0x5d/0x170 [ 28.425570][ T343] ? tun_get+0x106/0x240 [ 28.425829][ T343] tun_chr_write_iter+0xba/0x1b0 [ 28.426168][ T343] do_iter_readv_writev+0x458/0x850 [ 28.426522][ T343] ? ksys_lseek+0x130/0x130 [ 28.426870][ T343] ? import_iovec+0x46/0x80 [ 28.427212][ T343] vfs_writev+0x230/0xbe0 [ 28.427476][ T343] ? rcu_is_watching+0x12/0xb0 [ 28.427817][ T343] ? vfs_iocb_iter_write+0x970/0x970 [ 28.428153][ T343] ? __lock_acquire+0x449/0x7e0 [ 28.428507][ T343] ? find_held_lock+0x2b/0x80 [ 28.428851][ T343] ? __lock_release+0x5d/0x170 [ 28.429189][ T343] ? __fget_files+0x199/0x300 [ 28.429537][ T343] ? __fget_files+0x1a3/0x300 [ 28.429878][ T343] ? __rseq_handle_notify_resume+0x2a7/0x400 [ 28.430301][ T343] ? do_writev+0xf9/0x280 [ 28.430565][ T343] do_writev+0xf9/0x280 [ 28.430820][ T343] ? vfs_writev+0xbe0/0xbe0 [ 28.431168][ T343] do_syscall_64+0xc1/0xfd0 [ 28.431513][ T343] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 28.431935][ T343] RIP: 0033:0x4909bd [ 28.432202][ T343] 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 [ 28.433423][ T343] RSP: 002b:00007ffcca674eb0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014 [ 28.433945][ T343] RAX: ffffffffffffffda RBX: 00007ffcca675540 RCX: 00000000004909bd [ 28.434455][ T343] RDX: 0000000000000002 RSI: 00007ffcca674ef0 RDI: 0000000000000005 [ 28.434971][ T343] RBP: 00007ffcca674f20 R08: 0000000000000000 R09: 00007ffcca674f80 [ 28.435487][ T343] R10: 7fffffffffffffff R11: 0000000000000293 R12: 00007ffcca6754b8 [ 28.435996][ T343] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001 [ 28.436528][ T343] [ 28.436785][ T343] irq event stamp: 2062276 [ 28.437123][ T343] hardirqs last enabled at (2062284): [] __up_console_sem+0x67/0x70 [ 28.437719][ T343] hardirqs last disabled at (2062293): [] __up_console_sem+0x4c/0x70 [ 28.438306][ T343] softirqs last enabled at (2061276): [] tun_get_user+0x141f/0x24b0 [ 28.438918][ T343] softirqs last disabled at (2061278): [] tun_rx_batched.isra.0+0x3e8/0x730 [ 28.439594][ T343] ---[ end trace 0000000000000000 ]---