[ 15.605188][ T231] ------------[ cut here ]------------
[ 15.605804][ T231] WARNING: CPU: 3 PID: 231 at ./include/net/sch_generic.h:843 fq_dequeue_skb+0x2bb/0x3a0
[ 15.606390][ T231] Modules linked in:
[ 15.606708][ T231] CPU: 3 UID: 0 PID: 231 Comm: packetdrill Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 15.607404][ T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 15.607811][ T231] RIP: 0010:fq_dequeue_skb+0x2bb/0x3a0
[ 15.608165][ T231] Code: d0 7c 08 84 d2 0f 85 8d 00 00 00 8b 43 28 48 01 85 a0 01 00 00 4c 01 b5 a8 01 00 00 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e c3 90 <0f> 0b 90 eb b2 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03
[ 15.609362][ T231] RSP: 0018:ffffc90000ae70f8 EFLAGS: 00010202
[ 15.609777][ T231] RAX: 0000000000000007 RBX: ffff88800b738118 RCX: 0000000000000001
[ 15.610279][ T231] RDX: 0000000000000000 RSI: ffff888004a9d348 RDI: ffff888004a1da06
[ 15.610782][ T231] RBP: ffff888004a9d000 R08: 0000000000000000 R09: ffff888004a9d040
[ 15.611299][ T231] R10: ffffffffae60df57 R11: ffff888004a9d384 R12: ffff888004a1da00
[ 15.611799][ T231] R13: ffff88800b738140 R14: 0000000000000002 R15: ffff888004a9d000
[ 15.612311][ T231] FS: 000000002ee733c0(0000) GS:ffff88808739a000(0000) knlGS:0000000000000000
[ 15.612884][ T231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 15.613322][ T231] CR2: 00007ffb416d9000 CR3: 000000000bffa002 CR4: 0000000000772ef0
[ 15.613825][ T231] PKRU: 55555554
[ 15.614253][ T231] Call Trace:
[ 15.614521][ T231]
[ 15.614771][ T231] ? lockdep_unlock+0x54/0xc0
[ 15.615118][ T231] fq_dequeue+0x13f/0x1a40
[ 15.615459][ T231] ? __lock_acquire+0x449/0x7e0
[ 15.615804][ T231] dequeue_skb+0x1aa/0x17e0
[ 15.616141][ T231] __qdisc_run+0x1df/0x3b0
[ 15.616480][ T231] ? kvm_clock_get_cycles+0x18/0x30
[ 15.616823][ T231] ? sch_direct_xmit+0xaf0/0xaf0
[ 15.617160][ T231] ? fq_enqueue+0x1e2/0x1380
[ 15.617495][ T231] ? rcu_is_watching+0x12/0xb0
[ 15.617824][ T231] __dev_xmit_skb+0xa24/0x1550
[ 15.618163][ T231] ? dev_get_stats+0xc20/0xc20
[ 15.618507][ T231] ? rcu_is_watching+0x12/0xb0
[ 15.618847][ T231] ? lock_acquire+0x104/0x160
[ 15.619178][ T231] __dev_queue_xmit+0x912/0x17d0
[ 15.619530][ T231] ? netdev_core_pick_tx+0x320/0x320
[ 15.619867][ T231] ? find_held_lock+0x2b/0x80
[ 15.620202][ T231] ? neigh_connected_output+0x33b/0x500
[ 15.620538][ T231] ? lockdep_hardirqs_on+0x7c/0x110
[ 15.620872][ T231] ? neigh_connected_output+0x33b/0x500
[ 15.621206][ T231] ip_finish_output2+0x601/0x17c0
[ 15.621558][ T231] ? ip_skb_dst_mtu+0x355/0x820
[ 15.621887][ T231] ? ip_fragment.constprop.0+0x230/0x230
[ 15.622213][ T231] ? __ip_finish_output+0x15a/0x2d0
[ 15.622547][ T231] ip_output+0x116/0x320
[ 15.622799][ T231] __ip_queue_xmit+0x6da/0x11d0
[ 15.623121][ T231] ? __skb_clone+0x57a/0x760
[ 15.623454][ T231] __tcp_transmit_skb+0x189a/0x3390
[ 15.623792][ T231] ? get_page+0xcb/0x1a0
[ 15.624037][ T231] ? __tcp_select_window+0xea0/0xea0
[ 15.624400][ T231] tcp_write_xmit+0x8c0/0x2ec0
[ 15.624731][ T231] ? __alloc_skb+0x237/0x2e0
[ 15.625058][ T231] ? tcp_retrans_try_collapse+0xf30/0xf30
[ 15.625391][ T231] ? trace_tcp_ao_handshake_failure+0x180/0x1d0
[ 15.625809][ T231] ? __sk_mem_schedule+0x73/0xe0
[ 15.626139][ T231] tcp_sendmsg_locked+0xdee/0x3a40
[ 15.626505][ T231] ? tcp_sendmsg_fastopen+0x650/0x650
[ 15.626847][ T231] ? find_held_lock+0x2b/0x80
[ 15.627173][ T231] ? __local_bh_enable_ip+0xa9/0x120
[ 15.627513][ T231] tcp_sendmsg+0x2c/0x40
[ 15.627771][ T231] sock_write_iter+0x27b/0x460
[ 15.628110][ T231] ? ____sys_recvmsg+0x650/0x650
[ 15.628446][ T231] ? sk_setsockopt+0x4f1/0x2850
[ 15.628797][ T231] ? __lock_acquire+0x449/0x7e0
[ 15.629124][ T231] vfs_write+0xbff/0x12c0
[ 15.629381][ T231] ? find_held_lock+0x2b/0x80
[ 15.629715][ T231] ? kernel_write+0x6b0/0x6b0
[ 15.630047][ T231] ? __fget_files+0x199/0x300
[ 15.630400][ T231] ksys_write+0x17f/0x1d0
[ 15.630644][ T231] ? fput+0x4d/0xa0
[ 15.630888][ T231] ? __ia32_sys_read+0xb0/0xb0
[ 15.631218][ T231] do_syscall_64+0xc1/0xfd0
[ 15.631551][ T231] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 15.631956][ T231] RIP: 0033:0x49002f
[ 15.632217][ 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
[ 15.633389][ T231] RSP: 002b:00007ffda9978e50 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 15.633880][ T231] RAX: ffffffffffffffda RBX: 00007ffda9979440 RCX: 000000000049002f
[ 15.634388][ T231] RDX: 0000000000009c40 RSI: 000000002ee876c0 RDI: 000000000000000a
[ 15.634884][ T231] RBP: 00007ffda9978ed0 R08: 0000000000000000 R09: 00000000000009d3
[ 15.635377][ T231] R10: 0000000000000010 R11: 0000000000000293 R12: 00007ffda99793b8
[ 15.635861][ T231] R13: 0000000000000001 R14: 000000000054e030 R15: 0000000000000001
[ 15.636377][ T231]
[ 15.636624][ T231] irq event stamp: 1981996
[ 15.636960][ T231] hardirqs last enabled at (1982004): [] __up_console_sem+0x67/0x70
[ 15.637538][ T231] hardirqs last disabled at (1982013): [] __up_console_sem+0x4c/0x70
[ 15.638098][ T231] softirqs last enabled at (1981210): [] tcp_sendmsg+0x1e/0x40
[ 15.638676][ T231] softirqs last disabled at (1981276): [] __dev_queue_xmit+0x1fc/0x17d0
[ 15.639260][ T231] ---[ end trace 0000000000000000 ]---
[ 16.478781][ T231] packetdrill (231) used greatest stack depth: 24480 bytes left