[ 1.846022] ip (240) used greatest stack depth: 12344 bytes left [ 16.568559] pm_nl_ctl (745) used greatest stack depth: 12152 bytes left [ 31.952369] ------------[ cut here ]------------ [ 31.952417] kernel BUG at net/core/skbuff.c:2813! [ 31.952455] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI [ 31.952488] CPU: 2 PID: 550 Comm: kworker/2:2 Not tainted 6.8.0-rc6-virtme #1 [ 31.952532] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 31.952596] Workqueue: events mptcp_worker [ 31.952627] RIP: 0010:__pskb_pull_tail+0x475/0x4f0 [ 31.952661] 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 [ 31.952758] RSP: 0018:ffffabaf80114dc8 EFLAGS: 00010282 [ 31.952790] RAX: 00000000fffffff2 RBX: 0000000000000014 RCX: 0000000000000014 [ 31.952835] RDX: ffff88aec27356c4 RSI: 0000000000000100 RDI: 0000000000000000 [ 31.952880] RBP: ffffabaf80114e08 R08: 00000000ffffffd8 R09: 0000000000000008 [ 31.952925] R10: ffff88aec40660c8 R11: 0000000000000020 R12: ffff88aec4066000 [ 31.952969] R13: 0000000000000014 R14: ffff88aec2639700 R15: 0000000000000002 [ 31.953010] FS: 0000000000000000(0000) GS:ffff88aefed00000(0000) knlGS:0000000000000000 [ 31.953066] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.953104] CR2: 00007f05e2869000 CR3: 0000000031a44005 CR4: 0000000000770ef0 [ 31.953164] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 31.953207] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.953246] PKRU: 55555554 [ 31.953259] Call Trace: [ 31.953276] [ 31.953296] ? die+0x37/0x90 [ 31.953325] ? do_trap+0xe4/0x110 [ 31.953350] ? __pskb_pull_tail+0x475/0x4f0 [ 31.953376] ? do_error_trap+0x65/0x80 [ 31.953401] ? __pskb_pull_tail+0x475/0x4f0 [ 31.953425] ? exc_invalid_op+0x53/0x70 [ 31.953465] ? __pskb_pull_tail+0x475/0x4f0 [ 31.953487] ? asm_exc_invalid_op+0x1a/0x20 [ 31.953513] ? __pskb_pull_tail+0x475/0x4f0 [ 31.953551] ? __pskb_pull_tail+0x80/0x4f0 [ 31.953576] tcp_v4_early_demux+0x146/0x190 [ 31.953603] ip_rcv_finish_core.constprop.0+0x401/0x460 [ 31.953640] ip_rcv+0xdc/0x170 [ 31.953664] ? ip_protocol_deliver_rcu+0x32/0x160 [ 31.953696] __netif_receive_skb_one_core+0x8b/0xa0 [ 31.953729] process_backlog+0xa4/0x150 [ 31.953753] __napi_poll+0x29/0x1c0 [ 31.953780] net_rx_action+0x298/0x300 [ 31.953804] __do_softirq+0xc2/0x294 [ 31.953835] do_softirq+0x43/0x60 [ 31.953873] [ 31.953891] [ 31.953904] __local_bh_enable_ip+0x60/0x70 [ 31.953929] __dev_queue_xmit+0x328/0xcf0 [ 31.953955] ? ip6_dst_check+0xc8/0xf0 [ 31.953980] ? tcp_ack_update_rtt+0x125/0x450 [ 31.954011] ? __slab_free+0x94/0x310 [ 31.954040] ip_finish_output2+0x26f/0x4f0 [ 31.954068] __ip_queue_xmit+0x180/0x430 [ 31.954091] __tcp_transmit_skb+0xa4e/0xb80 [ 31.954118] ? skb_release_data+0x10c/0x1f0 [ 31.954157] tcp_write_xmit+0x4f0/0x1490 [ 31.954182] __tcp_push_pending_frames+0x36/0xc0 [ 31.954214] __tcp_close+0x2df/0x3e0 [ 31.954241] __mptcp_close_ssk+0xba/0x530 [ 31.954266] ? lock_timer_base+0x61/0x80 [ 31.954293] mptcp_destroy_common+0x71/0x180 [ 31.954327] mptcp_destroy+0x1b/0x40 [ 31.954351] __mptcp_destroy_sock+0x53/0x110 [ 31.954383] mptcp_worker+0x1de/0x510 [ 31.954408] process_one_work+0x138/0x2f0 [ 31.954447] ? __pfx_worker_thread+0x10/0x10 [ 31.954477] worker_thread+0x2f4/0x400 [ 31.954503] ? __pfx_worker_thread+0x10/0x10 [ 31.954534] kthread+0xd7/0x100 [ 31.954559] ? __pfx_kthread+0x10/0x10 [ 31.954584] ret_from_fork+0x31/0x50 [ 31.954610] ? __pfx_kthread+0x10/0x10 [ 31.954635] ret_from_fork_asm+0x1b/0x30 [ 31.954661] [ 31.954679] Modules linked in: [ 31.954712] ---[ end trace 0000000000000000 ]--- [ 31.954745] RIP: 0010:__pskb_pull_tail+0x475/0x4f0 [ 31.954787] 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 [ 31.954892] RSP: 0018:ffffabaf80114dc8 EFLAGS: 00010282 [ 31.954931] RAX: 00000000fffffff2 RBX: 0000000000000014 RCX: 0000000000000014 [ 31.954973] RDX: ffff88aec27356c4 RSI: 0000000000000100 RDI: 0000000000000000 [ 31.955017] RBP: ffffabaf80114e08 R08: 00000000ffffffd8 R09: 0000000000000008 [ 31.955062] R10: ffff88aec40660c8 R11: 0000000000000020 R12: ffff88aec4066000 [ 31.955106] R13: 0000000000000014 R14: ffff88aec2639700 R15: 0000000000000002 [ 31.955146] FS: 0000000000000000(0000) GS:ffff88aefed00000(0000) knlGS:0000000000000000 [ 31.955190] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.955228] CR2: 00007f05e2869000 CR3: 0000000031a44005 CR4: 0000000000770ef0 [ 31.955267] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 31.955311] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.955350] PKRU: 55555554 [ 31.955363] Kernel panic - not syncing: Fatal exception in interrupt [ 31.955463] Kernel Offset: 0x2c400000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 31.955523] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]--- WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr