[ 15.556623][ T258] ip (258) used greatest stack depth: 23624 bytes left
[ 21.294972][ T304] netem: version 1.3
[ 22.698607][ C2] ------------[ cut here ]------------
[ 22.699139][ C2] WARNING: CPU: 2 PID: 318 at ./include/net/sch_generic.h:843 netem_dequeue+0x28b/0xd30 [sch_netem]
[ 22.699821][ C2] Modules linked in: sch_netem
[ 22.700267][ C2] CPU: 2 UID: 0 PID: 318 Comm: mptcp_connect Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 22.700949][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.701416][ C2] RIP: 0010:netem_dequeue+0x28b/0xd30 [sch_netem]
[ 22.701878][ C2] 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 89 09 00 00 66 83 7d 06 00 74 04 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 4c 89 d2 48 c1 ea 03 0f b6
[ 22.703084][ C2] RSP: 0018:ffffc90000218d18 EFLAGS: 00010202
[ 22.703545][ C2] RAX: 0000000000000007 RBX: ffff88800abfb400 RCX: 0000000000000017
[ 22.704082][ C2] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88800bcf4506
[ 22.704601][ C2] RBP: ffff88800bcf4500 R08: 00000005727165c3 R09: 0000000000000001
[ 22.705132][ C2] R10: ffff88800ca7c148 R11: ffffffffb9da2008 R12: 0000000000000001
[ 22.705644][ C2] R13: dffffc0000000000 R14: ffff88800ca7c120 R15: ffff88800ca7c120
[ 22.706192][ C2] FS: 00007f6b30d0db80(0000) GS:ffff88807d083000(0000) knlGS:0000000000000000
[ 22.706789][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 22.707248][ C2] CR2: 00007f6b30e203a0 CR3: 0000000009001003 CR4: 0000000000772ef0
[ 22.707764][ C2] PKRU: 55555554
[ 22.708051][ C2] Call Trace:
[ 22.708337][ C2]
[ 22.708638][ C2] ? get_slot_next+0x2e0/0x2e0 [sch_netem]
[ 22.709105][ C2] ? skb_defer_free_flush+0x93/0x220
[ 22.709470][ C2] ? __napi_poll.constprop.0+0xb3/0x460
[ 22.709831][ C2] dequeue_skb+0x1aa/0x17e0
[ 22.710222][ C2] __qdisc_run+0x1df/0x3b0
[ 22.710567][ C2] ? sch_direct_xmit+0xaf0/0xaf0
[ 22.710926][ C2] ? do_raw_spin_lock+0x130/0x270
[ 22.711300][ C2] ? spin_bug+0x1d0/0x1d0
[ 22.711566][ C2] ? lock_acquire+0x104/0x160
[ 22.711922][ C2] ? net_tx_action+0x451/0x760
[ 22.712298][ C2] net_tx_action+0x38b/0x760
[ 22.712646][ C2] handle_softirqs+0x215/0x610
[ 22.713016][ C2] ? __neigh_event_send+0x2ef/0x1010
[ 22.713390][ C2] do_softirq+0xad/0xe0
[ 22.713657][ C2]
[ 22.713856][ C2]
[ 22.714050][ C2] __local_bh_enable_ip+0x101/0x120
[ 22.714411][ C2] __neigh_event_send+0x2f4/0x1010
[ 22.714779][ C2] neigh_resolve_output+0x439/0x7c0
[ 22.715142][ C2] ? ___neigh_create+0x7ec/0xed0
[ 22.715501][ C2] ip_finish_output2+0x607/0x17d0
[ 22.715862][ C2] ? ip_skb_dst_mtu+0x355/0x820
[ 22.716224][ C2] ? ip_append_data.part.0+0x170/0x170
[ 22.716565][ C2] ? ip_skb_dst_mtu+0x35f/0x820
[ 22.716927][ C2] ? __ip_finish_output+0x152/0x540
[ 22.717300][ C2] ip_output+0x1c3/0x670
[ 22.717569][ C2] ? ip_finish_output+0x2d0/0x2d0
[ 22.717922][ C2] ? find_held_lock+0x2b/0x80
[ 22.718304][ C2] __ip_queue_xmit+0x6da/0x11e0
[ 22.718647][ C2] ? __skb_clone+0x57a/0x760
[ 22.719020][ C2] __tcp_transmit_skb+0x1871/0x3190
[ 22.719394][ C2] ? __tcp_select_window+0x1030/0x1030
[ 22.719765][ C2] tcp_connect+0xd97/0x1510
[ 22.720131][ C2] tcp_v4_connect+0x11b0/0x1910
[ 22.720496][ C2] ? bpf_iter_init_tcp+0x160/0x160
[ 22.720861][ C2] ? __local_bh_enable_ip+0xa9/0x120
[ 22.721231][ C2] mptcp_connect+0x329/0x880
[ 22.721579][ C2] __inet_stream_connect+0x267/0x9d0
[ 22.721935][ C2] ? __local_bh_enable_ip+0xa9/0x120
[ 22.722301][ C2] ? __inet_stream_connect+0x9d0/0x9d0
[ 22.722639][ C2] inet_stream_connect+0x57/0xa0
[ 22.722999][ C2] __sys_connect+0x1a8/0x260
[ 22.723380][ C2] ? __sys_connect_file+0x1d0/0x1d0
[ 22.723744][ C2] ? __sys_setsockopt+0xec/0x160
[ 22.724105][ C2] __x64_sys_connect+0x72/0xb0
[ 22.724458][ C2] ? lockdep_hardirqs_on+0x7c/0x110
[ 22.724812][ C2] do_syscall_64+0xc1/0xfd0
[ 22.725184][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 22.725603][ C2] RIP: 0033:0x7f6b30e1fd67
[ 22.725977][ C2] Code: 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2a 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 18 89 54 24 0c 48 89 34 24 89
[ 22.727208][ C2] RSP: 002b:00007ffe1506f2c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 22.727722][ C2] RAX: ffffffffffffffda RBX: 000000001ba8a2a0 RCX: 00007f6b30e1fd67
[ 22.728256][ C2] RDX: 0000000000000010 RSI: 000000001ba8a2d0 RDI: 0000000000000005
[ 22.728770][ C2] RBP: 0000000000000005 R08: 0000000000000005 R09: 0000000000000001
[ 22.729301][ C2] R10: 00007f6b30d16618 R11: 0000000000000246 R12: 0000000000000000
[ 22.729811][ C2] R13: 0000000000000106 R14: 0000000000407df0 R15: 00007f6b30f5f000
[ 22.730361][ C2]
[ 22.730625][ C2] irq event stamp: 58070
[ 22.730904][ C2] hardirqs last enabled at (58082): [] __up_console_sem+0x67/0x70
[ 22.731525][ C2] hardirqs last disabled at (58091): [] __up_console_sem+0x4c/0x70
[ 22.732126][ C2] softirqs last enabled at (56834): [] __neigh_event_send+0x2ef/0x1010
[ 22.732732][ C2] softirqs last disabled at (56835): [] do_softirq+0xad/0xe0
[ 22.733347][ C2] ---[ end trace 0000000000000000 ]---