The kernel crashes due to double-fault with a message, "BUG: stack guard page was hit at 00000000cf391aa4 (stack is 00000000bd2d3d06..000000006ca6d476)"

Issue

• The kernel crashes due to double-fault with a message, "BUG: stack guard page was hit at 00000000cf391aa4 (stack is 00000000bd2d3d06..000000006ca6d476)"

[409170.788752] BUG: stack guard page was hit at 00000000cf391aa4 (stack is 00000000bd2d3d06..000000006ca6d476)
[409170.788753] kernel stack overflow (double-fault): 0000 [#1] SMP PTI
[409170.788754] CPU: 50 PID: 195812 Comm: vhost-195805 Kdump: loaded Tainted: G           OE    --------- -  - 4.18.0-305.72.1.el8_4.x86_64 #1
[409170.788755] Hardware name: HPE ProLiant DL380 Gen10/ProLiant DL380 Gen10, BIOS U30 09/03/2021
[409170.788756] RIP: 0010:vr_forward+0x101/0xd10 [vrouter]
[409170.788758] Code: 50 80 00 00 00 48 89 84 24 b0 00 00 00 48 89 94 24 b8 00 00 00 48 8d 74 24 28 c7 44 24 68 00 00 00 00 c7 44 24 78 00 00 00 00 <e8> 1a a5 00 00 48 89 c6 48 85 c0 0f 84 34 01 00 00 f6 44 24 5a 01
[409170.788758] RSP: 0018:ffff99469fdbfff0 EFLAGS: 00010202
[409170.788759] RAX: 00000000b9887c0a RBX: ffff8caa0adc050e RCX: 0000000000000026
[409170.788760] RDX: ffff99469fdc3b28 RSI: ffff99469fdc0018 RDI: 0000000000000013
[409170.788761] RBP: ffff99469fdc0120 R08: ffff8c3a2c36e028 R09: 0000000000000000
[409170.788761] R10: 00000000ffffffff R11: 0000000000000012 R12: ffff8c3a2c36e028
[409170.788762] R13: ffff99469fdc3b28 R14: ffff99469fdc3b28 R15: ffff8c9e321e4000
[409170.788763] FS:  0000000000000000(0000) GS:ffff8cb93ff80000(0000) knlGS:0000000000000000
[409170.788763] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[409170.788764] CR2: ffff99469fdbffe8 CR3: 00000075506d0001 CR4: 00000000007726e0
[409170.788765] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[409170.788765] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[409170.788766] PKRU: 55555554
[409170.788766] Call Trace:
[409170.788766]  nh_mpls_udp_tunnel+0x2ee/0x670 [vrouter]
[409170.788767]  nh_output+0x47/0x510 [vrouter]
[409170.788768]  ? __mtrie_lookup+0xf9/0x180 [vrouter]
[409170.788768]  vr_forward+0x14f/0xd10 [vrouter]
[409170.788769]  nh_mpls_udp_tunnel+0x2ee/0x670 [vrouter]
[409170.788769]  nh_output+0x47/0x510 [vrouter]
[409170.788770]  ? __mtrie_lookup+0xf9/0x180 [vrouter]
[409170.788770]  vr_forward+0x14f/0xd10 [vrouter]
[409170.788771]  nh_mpls_udp_tunnel+0x2ee/0x670 [vrouter]
[409170.788771]  nh_output+0x47/0x510 [vrouter]
[409170.788772]  ? __mtrie_lookup+0xf9/0x180 [vrouter]
[409170.788772]  vr_forward+0x14f/0xd10 [vrouter]
[409170.788772]  nh_mpls_udp_tunnel+0x2ee/0x670 [vrouter]
[409170.788773]  nh_output+0x47/0x510 [vrouter]
[409170.788773]  ? __mtrie_lookup+0xf9/0x180 [vrouter]
[409170.788774]  vr_forward+0x14f/0xd10 [vrouter]
[409170.788774]  nh_mpls_udp_tunnel+0x2ee/0x670 [vrouter]
[409170.788775]  nh_output+0x47/0x510 [vrouter]
[409170.788775]  ? __mtrie_lookup+0xf9/0x180 [vrouter]
[409170.788776]  vr_forward+0x14f/0xd10 [vrouter]
[409170.788776]  nh_mpls_udp_tunnel+0x2ee/0x670 [vrouter]
[409170.788777]  nh_output+0x47/0x510 [vrouter]
[409170.788777]  ? __mtrie_lookup+0xf9/0x180 [vrouter]
[409170.788778]  vr_forward+0x14f/0xd10 [vrouter]
[409170.788778]  nh_mpls_udp_tunnel+0x2ee/0x670 [vrouter]
[409170.788779]  nh_output+0x47/0x510 [vrouter]
[409170.788779]  ? __mtrie_lookup+0xf9/0x180 [vrouter]
[409170.788780]  vr_forward+0x14f/0xd10 [vrouter]
[409170.788781]  nh_mpls_udp_tunnel+0x2ee/0x670 [vrouter]
[409170.788781]  nh_output+0x47/0x510 [vrouter]
[409170.788782]  ? __mtrie_lookup+0xf9/0x180 [vrouter]
[409170.788782]  vr_forward+0x14f/0xd10 [vrouter]
[409170.788783]  nh_mpls_udp_tunnel+0x2ee/0x670 [vrouter]
[409170.788783]  nh_output+0x47/0x510 [vrouter]
[409170.788784]  ? __mtrie_lookup+0xf9/0x180 [vrouter]
[409170.788784]  vr_forward+0x14f/0xd10 [vrouter]
[409170.788785]  nh_mpls_udp_tunnel+0x2ee/0x670 [vrouter]
[409170.788785]  nh_output+0x47/0x510 [vrouter]
[409170.788785]  ? __mtrie_lookup+0xf9/0x180 [vrouter]
[409170.788786]  vr_forward+0x14f/0xd10 [vrouter]
[409170.788786]  nh_mpls_udp_tunnel+0x2ee/0x670 [vrouter]
[409170.788787]  nh_output+0x47/0x510 [vrouter]
[409170.788787]  ? __mtrie_lookup+0xf9/0x180 [vrouter]
[409170.788788]  vr_forward+0x14f/0xd10 [vrouter]
[409170.788789]  nh_mpls_udp_tunnel+0x2ee/0x670 [vrouter]
[409170.788790]  nh_output+0x47/0x510 [vrouter]
[409170.788790]  ? __mtrie_lookup+0xf9/0x180 [vrouter]
[409170.788791]  vr_forward+0x14f/0xd10 [vrouter]
[409170.788791]  nh_mpls_udp_tunnel+0x2ee/0x670 [vrouter]
[409170.788792]  nh_output+0x47/0x510 [vrouter]
[409170.788792]  ? __mtrie_lookup+0xf9/0x180 [vrouter]
[409170.788793]  vr_forward+0x14f/0xd10 [vrouter]
[409170.788793]  nh_mpls_udp_tunnel+0x2ee/0x670 [vrouter]
[409170.788794]  nh_output+0x47/0x510 [vrouter]
[409170.788795]  ? __mtrie_lookup+0xf9/0x180 [vrouter]
[409170.788795]  vr_forward+0x14f/0xd10 [vrouter]
[409170.788796]  nh_mpls_udp_tunnel+0x2ee/0x670 [vrouter]
[409170.788796]  nh_output+0x47/0x510 [vrouter]
[409170.788796]  ? __mtrie_lookup+0xf9/0x180 [vrouter]
[409170.788797]  vr_forward+0x14f/0xd10 [vrouter]
[409170.788797]  nh_mpls_udp_tunnel+0x2ee/0x670 [vrouter]
[409170.788798]  nh_output+0x47/0x510 [vrouter]
[409170.788798]  ? __mtrie_lookup+0xf9/0x180 [vrouter]
[409170.788798]  vr_forward+0x14f/0xd10 [vrouter]
[409170.788799]  nh_mpls_udp_tunnel+0x2ee/0x670 [vrouter]
[409170.788799]  nh_output+0x47/0x510 [vrouter]
[409170.788800]  ? __mtrie_lookup+0xf9/0x180 [vrouter]
[409170.788800]  vr_forward+0x14f/0xd10 [vrouter]
[409170.788801]  nh_mpls_udp_tunnel+0x2ee/0x670 [vrouter]
[409170.788801]  nh_output+0x47/0x510 [vrouter]
[409170.788801]  ? __mtrie_lookup+0xf9/0x180 [vrouter]
[409170.788802]  vr_forward+0x14f/0xd10 [vrouter]
[409170.788802]  nh_mpls_udp_tunnel+0x2ee/0x670 [vrouter]
[409170.788803]  nh_output+0x47/0x510 [vrouter]
[409170.788803]  ? __mtrie_lookup+0xf9/0x180 [vrouter]
[409170.788803]  vr_forward+0x14f/0xd10 [vrouter]
[409170.788804]  nh_mpls_udp_tunnel+0x2ee/0x670 [vrouter]
[409170.788804]  nh_output+0x47/0x510 [vrouter]
[409170.788804]  ? __mtrie_lookup+0xf9/0x180 [vrouter]
[409170.788805]  vr_forward+0x14f/0xd10 [vrouter]
[409170.788805]  nh_mpls_udp_tunnel+0x2ee/0x670 [vrouter]
[409170.788806]  nh_output+0x47/0x510 [vrouter]
[409170.788806]  ? __mtrie_lookup+0xf9/0x180 [vrouter]
[409170.788807]  vr_forward+0x14f/0xd10 [vrouter]
[409170.788807]  nh_mpls_udp_tunnel+0x2ee/0x670 [vrouter]
[409170.788807]  nh_output+0x47/0x510 [vrouter]
[409170.788808]  ? __mtrie_lookup+0xf9/0x180 [vrouter]
[409170.788809]  vr_forward+0x14f/0xd10 [vrouter]
[409170.788809]  ? apic_timer_interrupt+0xa/0x20
[409170.788810]  ? call_function_single_interrupt+0xa/0x20
[409170.788810]  ? call_function_single_interrupt+0xa/0x20
[409170.788811]  nh_mpls_udp_tunnel+0x2ee/0x670 [vrouter]
[409170.788811]  nh_output+0x47/0x510 [vrouter]
[409170.788812]  ? __mtrie_lookup+0xf9/0x180 [vrouter]
[409170.788812]  vr_forward+0x14f/0xd10 [vrouter]
[409170.788813]  ? dev_hard_start_xmit+0x96/0x1e0
[409170.788813]  ? __qdisc_run+0x83/0x550
[409170.788814]  nh_mpls_udp_tunnel+0x2ee/0x670 [vrouter]
[409170.788814]  nh_output+0x47/0x510 [vrouter]
[409170.788815]  ? __mtrie_lookup+0xf9/0x180 [vrouter]
[409170.788815]  vr_forward+0x14f/0xd10 [vrouter]
[409170.788815]  ? __dev_queue_xmit+0x45a/0x920
[409170.788816]  ? dev_hard_start_xmit+0x96/0x1e0
[409170.788816]  nh_mpls_udp_tunnel+0x2ee/0x670 [vrouter]
[409170.788817]  nh_output+0x47/0x510 [vrouter]
[409170.788817]  ? __mtrie_lookup+0xf9/0x180 [vrouter]
[409170.788818]  vr_forward+0x14f/0xd10 [vrouter]
[409170.788818]  ? dev_hard_start_xmit+0x96/0x1e0
[409170.788819]  ? __dev_queue_xmit+0x45a/0x920
[409170.788819]  nh_mpls_udp_tunnel+0x2ee/0x670 [vrouter]
[409170.788820]  nh_output+0x47/0x510 [vrouter]
[409170.788820]  ? __mtrie_lookup+0xf9/0x180 [vrouter]
[409170.788821]  vr_forward+0x14f/0xd10 [vrouter]
[409170.788821]  ? dev_hard_start_xmit+0x96/0x1e0
[409170.788822]  ? vr_flow_forward+0xee/0xd50 [vrouter]
[409170.788822]  ? vr_htable_find_hentry+0x2a8/0x350 [vrouter]
[409170.788823]  vr_ip_input+0xa0/0x4d0 [vrouter]
[409170.788823]  ? vr_flow_lookup+0x1ab/0xc90 [vrouter]
[409170.788824]  vr_l3_input+0x44/0x50 [vrouter]
[409170.788824]  nh_l2_rcv+0x146/0x950 [vrouter]
[409170.788825]  ? __bridge_lookup.isra.11.part.12+0x57/0x80 [vrouter]
[409170.788826]  nh_output+0x47/0x510 [vrouter]
[409170.788826]  vr_bridge_input+0x36a/0x1d70 [vrouter]
[409170.788827]  ? get_page_from_freelist+0x1118/0x1360
[409170.788827]  vr_virtual_input+0xb2/0x350 [vrouter]
[409170.788828]  ? enqueue_entity+0xdc/0x640
[409170.788828]  ? sched_clock+0x5/0x10
[409170.788829]  ? enqueue_task_fair+0x93/0x710
[409170.788829]  ? remove_entity_load_avg+0x31/0x80
[409170.788830]  vm_rx+0x173/0x1c0 [vrouter]
[409170.788830]  ? try_to_wake_up+0x374/0x580
[409170.788831]  linux_rx_handler+0x3ba/0xb20 [vrouter]
[409170.788831]  ? vmx_deliver_posted_interrupt+0x38/0x110 [kvm_intel]
[409170.788832]  ? __apic_accept_irq+0x189/0x2e0 [kvm]
[409170.788832]  __netif_receive_skb_core+0x287/0xc50
[409170.788833]  ? __skb_get_hash_symmetric+0x55/0x1e0
[409170.788833]  ? __skb_get_hash_symmetric+0x184/0x1e0
[409170.788834]  ? recalibrate_cpu_khz+0x10/0x10
[409170.788834]  netif_receive_skb_internal+0x3d/0xb0
[409170.788835]  tun_sendmsg+0x3cd/0x750 [tun]
[409170.788835]  vhost_tx_batch.isra.19+0x64/0x1e0 [vhost_net]
[409170.788836]  handle_tx_copy+0x179/0x580 [vhost_net]
[409170.788836]  ? vhost_dev_init+0x270/0x270 [vhost]
[409170.788837]  handle_tx+0xa7/0xe0 [vhost_net]
[409170.788837]  vhost_worker+0x91/0xd0 [vhost]
[409170.788838]  kthread+0x116/0x130
[409170.788838]  ? kthread_flush_work_fn+0x10/0x10
[409170.788839]  ret_from_fork+0x35/0x40
[409170.788839] Modules linked in: binfmt_misc tcp_diag udp_diag inet_diag vhost_net vhost vhost_iotlb tap tun overlay vrouter(OE) 8021q garp mrp bonding openvswitch nf_conncount nf_nat nf_log_ipv6 nf_log_ipv4 nf_log_common nft_limit nft_counter xt_LOG xt_limit xt_multiport xt_comment xt_state xt_conntrack nft_compat nf_tables nfnetlink vfat fat dm_service_time dm_multipath dm_mod rpcrdma sunrpc rdma_ucm ib_srpt ib_isert iscsi_target_mod target_core_mod ib_iser libiscsi scsi_transport_iscsi ib_umad rdma_cm ib_ipoib iw_cm ib_cm intel_rapl_msr intel_rapl_common isst_if_common nfit libnvdimm x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass ipmi_ssif crct10dif_pclmul crc32_pclmul ghash_clmulni_intel rapl intel_cstate intel_uncore mlx5_ib pcspkr ib_uverbs cdc_eem mei_me ib_core usbnet ses enclosure mii acpi_ipmi mei lpc_ich hpwdt hpilo ioatdma ipmi_si wmi ipmi_devintf ipmi_msghandler acpi_tad acpi_power_meter xfs sd_mod sg lpfc mlx5_core mgag200 drm_kms_helper nvmet_fc nvmet
[409170.788868]  syscopyarea sysfillrect sysimgblt nvme_fc fb_sys_fops nvme_fabrics drm igb smartpqi mlxfw nvme_core pci_hyperv_intf tls scsi_transport_sas tg3 dca uas t10_pi scsi_transport_fc usb_storage.
[409170.788874] Lost 11 message(s)!