[ 14.248312][ T231] ------------[ cut here ]------------ [ 14.248749][ T231] WARNING: CPU: 3 PID: 231 at ./include/net/sch_generic.h:843 __dev_xmit_skb+0x786/0x1550 [ 14.249275][ T231] Modules linked in: [ 14.249565][ T231] CPU: 3 UID: 0 PID: 231 Comm: packetdrill Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full) [ 14.250177][ T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.250579][ T231] RIP: 0010:__dev_xmit_skb+0x786/0x1550 [ 14.250899][ T231] 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 [ 14.251997][ T231] RSP: 0018:ffffc90000b172e0 EFLAGS: 00010202 [ 14.252379][ T231] RAX: 0000000000000007 RBX: 0000000000000002 RCX: ffffffffb77f4955 [ 14.252851][ T231] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88800506f286 [ 14.253304][ T231] RBP: ffff88800506f280 R08: ffff88800ca74118 R09: ffffed1001522533 [ 14.253766][ T231] R10: ffff88800a91299f R11: ffffc90000b16ff8 R12: ffff88800ca74118 [ 14.254231][ T231] R13: ffff88800a912800 R14: ffff88800a912a08 R15: ffff88800a912800 [ 14.254697][ T231] FS: 000000002371b3c0(0000) GS:ffff88807679a000(0000) knlGS:0000000000000000 [ 14.255233][ T231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 14.255622][ T231] CR2: 00007fea899c3000 CR3: 00000000074f0003 CR4: 0000000000772ef0 [ 14.256078][ T231] PKRU: 55555554 [ 14.256310][ T231] Call Trace: [ 14.256646][ T231] [ 14.256816][ T231] ? dev_get_stats+0xc20/0xc20 [ 14.257122][ T231] ? rcu_is_watching+0x12/0xb0 [ 14.257431][ T231] ? lock_acquire+0x104/0x160 [ 14.257749][ T231] __dev_queue_xmit+0x912/0x17d0 [ 14.258089][ T231] ? netdev_core_pick_tx+0x320/0x320 [ 14.258390][ T231] ? find_held_lock+0x2b/0x80 [ 14.258702][ T231] ? neigh_connected_output+0x33b/0x500 [ 14.259001][ T231] ? lockdep_hardirqs_on+0x7c/0x110 [ 14.259301][ T231] ? neigh_connected_output+0x33b/0x500 [ 14.259621][ T231] ip_finish_output2+0x601/0x17c0 [ 14.259924][ T231] ? ip_skb_dst_mtu+0x355/0x820 [ 14.260221][ T231] ? ip_fragment.constprop.0+0x230/0x230 [ 14.260524][ T231] ? __ip_finish_output+0x15a/0x2d0 [ 14.260832][ T231] ip_output+0x116/0x320 [ 14.261058][ T231] __ip_queue_xmit+0x6da/0x11d0 [ 14.261355][ T231] ? __skb_clone+0x57a/0x760 [ 14.261666][ T231] __tcp_transmit_skb+0x189a/0x3390 [ 14.261979][ T231] ? get_page+0xcb/0x1a0 [ 14.262205][ T231] ? __tcp_select_window+0xea0/0xea0 [ 14.262522][ T231] tcp_write_xmit+0x8c0/0x2ec0 [ 14.262842][ T231] ? __alloc_skb+0x237/0x2e0 [ 14.263143][ T231] ? tcp_retrans_try_collapse+0xf30/0xf30 [ 14.263445][ T231] ? skb_do_copy_data_nocache+0xb0/0x240 [ 14.263753][ T231] ? trace_tcp_ao_handshake_failure+0x1d0/0x1d0 [ 14.264127][ T231] __tcp_push_pending_frames+0x96/0x320 [ 14.264428][ T231] tcp_sendmsg_locked+0x1ccd/0x3a40 [ 14.264748][ T231] ? tcp_sendmsg_fastopen+0x650/0x650 [ 14.265047][ T231] ? find_held_lock+0x2b/0x80 [ 14.265348][ T231] ? __local_bh_enable_ip+0xa9/0x120 [ 14.265662][ T231] tcp_sendmsg+0x2c/0x40 [ 14.265888][ T231] sock_write_iter+0x27b/0x460 [ 14.266187][ T231] ? ____sys_recvmsg+0x650/0x650 [ 14.266485][ T231] ? sk_setsockopt+0x4f1/0x2850 [ 14.266805][ T231] ? __lock_acquire+0x449/0x7e0 [ 14.267105][ T231] vfs_write+0xbff/0x12c0 [ 14.267335][ T231] ? find_held_lock+0x2b/0x80 [ 14.267646][ T231] ? kernel_write+0x6b0/0x6b0 [ 14.267963][ T231] ? __fget_files+0x199/0x300 [ 14.268289][ T231] ksys_write+0x17f/0x1d0 [ 14.268514][ T231] ? fput+0x4d/0xa0 [ 14.268747][ T231] ? __ia32_sys_read+0xb0/0xb0 [ 14.269056][ T231] do_syscall_64+0xc1/0xfd0 [ 14.269355][ T231] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.269735][ T231] RIP: 0033:0x49002f [ 14.269971][ T231] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 89 7a 04 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 dc 7a 04 00 48 [ 14.271059][ T231] RSP: 002b:00007ffd891faea0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 14.271513][ T231] RAX: ffffffffffffffda RBX: 00007ffd891fb490 RCX: 000000000049002f [ 14.271975][ T231] RDX: 0000000000002710 RSI: 000000002372a980 RDI: 000000000000000a [ 14.272423][ T231] RBP: 00007ffd891faf20 R08: 0000000000000000 R09: 0000000000000280 [ 14.272880][ T231] R10: 0000000000000010 R11: 0000000000000293 R12: 00007ffd891fb408 [ 14.273330][ T231] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001 [ 14.273810][ T231] [ 14.274035][ T231] irq event stamp: 1890952 [ 14.274332][ T231] hardirqs last enabled at (1890960): [] __up_console_sem+0x67/0x70 [ 14.274865][ T231] hardirqs last disabled at (1890969): [] __up_console_sem+0x4c/0x70 [ 14.275383][ T231] softirqs last enabled at (1890248): [] tcp_sendmsg+0x1e/0x40 [ 14.275904][ T231] softirqs last disabled at (1890314): [] __dev_queue_xmit+0x1fc/0x17d0 [ 14.276418][ T231] ---[ end trace 0000000000000000 ]---