[ 1.925979] ip (241) used greatest stack depth: 12392 bytes left [ 2.157740] ip (256) used greatest stack depth: 12344 bytes left [ 16.932249] ------------[ cut here ]------------ [ 16.932325] kernel BUG at net/core/skbuff.c:2813! [ 16.932388] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI [ 16.932431] CPU: 3 PID: 60 Comm: kworker/3:2 Not tainted 6.8.0-rc6-virtme #1 [ 16.932490] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 16.932576] Workqueue: events mptcp_worker [ 16.932614] RIP: 0010:__pskb_pull_tail+0x475/0x4f0 [ 16.932656] Code: 44 24 10 e8 ed 38 83 ff 49 8b be c0 00 00 00 44 8b 44 24 10 41 8b 8e bc 00 00 00 e9 f4 fc ff ff 4c 8d 48 ff e9 41 fd ff ff 90 <0f> 0b 48 c7 44 24 10 00 00 00 00 e9 99 fe ff ff 41 f6 44 24 7e 20 [ 16.932786] RSP: 0018:ffffb9fcc0140dc8 EFLAGS: 00010282 [ 16.932827] RAX: 00000000fffffff2 RBX: 0000000000000014 RCX: 0000000000000014 [ 16.932887] RDX: ffff8fdd825deaf8 RSI: 0000000000000100 RDI: 0000000000000000 [ 16.932946] RBP: ffffb9fcc0140e08 R08: 00000000ffffffcc R09: 0000000000000008 [ 16.933006] R10: ffff8fdd82ea70c8 R11: 0000000000000014 R12: ffff8fdd82ea7000 [ 16.933065] R13: 0000000000000014 R14: ffff8fdd8276b700 R15: 0000000000000002 [ 16.933126] FS: 0000000000000000(0000) GS:ffff8fddbfd80000(0000) knlGS:0000000000000000 [ 16.933185] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 16.933234] CR2: 00007f1067b3c920 CR3: 000000003e644001 CR4: 0000000000770ef0 [ 16.933295] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 16.933353] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 16.933412] PKRU: 55555554 [ 16.933429] Call Trace: [ 16.933451] [ 16.933473] ? die+0x37/0x90 [ 16.933511] ? do_trap+0xe4/0x110 [ 16.933542] ? __pskb_pull_tail+0x475/0x4f0 [ 16.933575] ? do_error_trap+0x65/0x80 [ 16.933606] ? __pskb_pull_tail+0x475/0x4f0 [ 16.933638] ? exc_invalid_op+0x53/0x70 [ 16.933671] ? __pskb_pull_tail+0x475/0x4f0 [ 16.933704] ? asm_exc_invalid_op+0x1a/0x20 [ 16.933738] ? __pskb_pull_tail+0x475/0x4f0 [ 16.933770] ? __pskb_pull_tail+0x80/0x4f0 [ 16.933803] tcp_v4_early_demux+0x146/0x190 [ 16.933839] ip_rcv_finish_core.constprop.0+0x401/0x460 [ 16.933878] ip_rcv+0xdc/0x170 [ 16.933910] ? ip_protocol_deliver_rcu+0x32/0x160 [ 16.933952] __netif_receive_skb_one_core+0x8b/0xa0 [ 16.933996] process_backlog+0xa4/0x150 [ 16.934027] __napi_poll+0x29/0x1c0 [ 16.934062] net_rx_action+0x298/0x300 [ 16.934093] __do_softirq+0xc2/0x294 [ 16.934136] do_softirq+0x43/0x60 [ 16.934168] [ 16.934191] [ 16.934209] __local_bh_enable_ip+0x60/0x70 [ 16.934242] __dev_queue_xmit+0x328/0xcf0 [ 16.934276] ? nf_hook_slow+0x40/0xf0 [ 16.934309] ip_finish_output2+0x26f/0x4f0 [ 16.934344] __ip_queue_xmit+0x180/0x430 [ 16.934375] __tcp_transmit_skb+0xa4e/0xb80 [ 16.934410] tcp_connect+0xb22/0xee0 [ 16.934441] tcp_v4_connect+0x421/0x500 [ 16.934476] __inet_stream_connect+0xd8/0x3d0 [ 16.934519] inet_stream_connect+0x3b/0x60 [ 16.934551] kernel_connect+0x52/0x80 [ 16.934586] ? mptcp_crypto_key_sha+0x3e/0x80 [ 16.934631] __mptcp_subflow_connect+0x27c/0x380 [ 16.934676] mptcp_pm_nl_add_addr_received+0x282/0x370 [ 16.934721] ? smp_call_function_many_cond+0x1ca/0x550 [ 16.934769] ? sk_stream_write_space+0x7f/0xf0 [ 16.934810] ? mptcp_release_cb+0x32f/0x340 [ 16.934844] ? sk_stream_write_space+0x7f/0xf0 [ 16.934887] mptcp_pm_nl_work+0x67/0x110 [ 16.934920] mptcp_worker+0x54/0x510 [ 16.934953] process_one_work+0x138/0x2f0 [ 16.934985] ? __pfx_worker_thread+0x10/0x10 [ 16.935023] worker_thread+0x2f4/0x400 [ 16.935056] ? __pfx_worker_thread+0x10/0x10 [ 16.935098] kthread+0xd7/0x100 [ 16.935132] ? __pfx_kthread+0x10/0x10 [ 16.935165] ret_from_fork+0x31/0x50 [ 16.935199] ? __pfx_kthread+0x10/0x10 [ 16.935232] ret_from_fork_asm+0x1b/0x30 [ 16.935268] [ 16.935290] Modules linked in: xt_mark nft_compat nf_tables [ 16.935339] ---[ end trace 0000000000000000 ]--- [ 16.935388] RIP: 0010:__pskb_pull_tail+0x475/0x4f0 [ 16.935430] Code: 44 24 10 e8 ed 38 83 ff 49 8b be c0 00 00 00 44 8b 44 24 10 41 8b 8e bc 00 00 00 e9 f4 fc ff ff 4c 8d 48 ff e9 41 fd ff ff 90 <0f> 0b 48 c7 44 24 10 00 00 00 00 e9 99 fe ff ff 41 f6 44 24 7e 20 [ 16.935561] RSP: 0018:ffffb9fcc0140dc8 EFLAGS: 00010282 [ 16.935603] RAX: 00000000fffffff2 RBX: 0000000000000014 RCX: 0000000000000014 [ 16.935663] RDX: ffff8fdd825deaf8 RSI: 0000000000000100 RDI: 0000000000000000 [ 16.935723] RBP: ffffb9fcc0140e08 R08: 00000000ffffffcc R09: 0000000000000008 [ 16.935783] R10: ffff8fdd82ea70c8 R11: 0000000000000014 R12: ffff8fdd82ea7000 [ 16.935843] R13: 0000000000000014 R14: ffff8fdd8276b700 R15: 0000000000000002 [ 16.935905] FS: 0000000000000000(0000) GS:ffff8fddbfd80000(0000) knlGS:0000000000000000 [ 16.935964] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 16.936015] CR2: 00007f1067b3c920 CR3: 000000003e644001 CR4: 0000000000770ef0 [ 16.936076] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 16.936135] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 16.936195] PKRU: 55555554 [ 16.936219] Kernel panic - not syncing: Fatal exception in interrupt [ 16.936349] Kernel Offset: 0x32800000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 16.936426] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]--- WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr