The kernel crashes due to the GPF upon running WRMSR on IA32_SPEC_CTRL MSR to turn IBRS off

Issue

• The kernel crashes due to the GPF upon running WRMSR on IA32_SPEC_CTRL MSR to turn IBRS off

[5817821.384105] general protection fault: 0000 [#1] SMP 
[5817821.384136] Modules linked in: unix_diag af_packet_diag netlink_diag tcp_diag udp_diag inet_diag iptable_filter binfmt_misc nfs_layout_nfsv41_files rpcsec_gss_krb5 nfsv4 dns_resolver nfs lockd grace fscache 8021q garp mrp stp llc bonding scsi_transport_iscsi ipmi_ssif skx_edac nfit libnvdimm intel_powerclamp coretemp intel_rapl iosf_mbi kvm irqbypass crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd pcspkr ses enclosure sg mei_me lpc_ich mei hpwdt hpilo wmi ipmi_si ipmi_devintf ipmi_msghandler acpi_power_meter auth_rpcgss sunrpc ip_tables xfs libcrc32c sd_mod crc_t10dif crct10dif_generic mgag200 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm mlx5_core drm crct10dif_pclmul crct10dif_common crc32c_intel serio_raw smartpqi mlxfw ptp
[5817821.384494]  pps_core scsi_transport_sas devlink drm_panel_orientation_quirks dm_mirror dm_region_hash dm_log dm_mod
[5817821.384535] CPU: 22 PID: 0 Comm: swapper/22 Kdump: loaded Not tainted 3.10.0-1160.36.2.el7.x86_64 #1
[5817821.384566] Hardware name: HPE ProLiant DL380 Gen10/ProLiant DL380 Gen10, BIOS U30 04/18/2019
[5817821.384597] task: ffff8c9ff355b180 ti: ffff8c9ff3568000 task.ti: ffff8c9ff3568000
[5817821.384623] RIP: 0010:[<ffffffff8778b5fd>]  [<ffffffff8778b5fd>] intel_idle+0x1ad/0x225
[5817821.384661] RSP: 0018:ffff8c9ff356be20  EFLAGS: 00010046
[5817821.384681] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000048
[5817821.384706] RDX: 0000000000000000 RSI: ffffffff87cde880 RDI: 0000000000000016
[5817821.384730] RBP: ffff8c9ff356be50 R08: 000000000000022c R09: ffff8cbe80199cd0
[5817821.384755] R10: 7fffffffffffffff R11: 0000000000000000 R12: 0000000000000001
[5817821.384780] R13: 0000000000000000 R14: ffff8c9ff356bfd8 R15: ffffffff87cde8f0
[5817821.384805] FS:  0000000000000000(0000) GS:ffff8cbe80180000(0000) knlGS:0000000000000000
[5817821.384833] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[5817821.384853] CR2: 0000000238e91ce4 CR3: 0000003f2408e000 CR4: 00000000007607e0
[5817821.384879] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[5817821.384903] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[5817821.384929] PKRU: 00000000
[5817821.384940] Call Trace:
[5817821.384958]  [<ffffffff875c8d65>] cpuidle_enter_state+0x45/0xd0
[5817821.384981]  [<ffffffff875c8ece>] cpuidle_idle_call+0xde/0x230
[5817821.385006]  [<ffffffff87037c8e>] arch_cpu_idle+0xe/0xc0
[5817821.385030]  [<ffffffff871017fa>] cpu_startup_entry+0x14a/0x1e0
[5817821.385663]  [<ffffffff8705a827>] start_secondary+0x1f7/0x270
[5817821.386180]  [<ffffffff870000d5>] start_cpu+0x5/0x14
[5817821.386681] Code: ea 03 5d 00 66 90 65 48 8b 14 25 b8 0e 01 00 8b 92 38 c0 ff ff 83 e2 20 48 c1 ea 03 48 09 d0 48 89 c2 b9 48 00 00 00 48 c1 ea 20 <0f> 30 e9 ed fe ff ff 0f 1f 40 00 65 8b 05 09 1a 88 78 a8 01 0f 
[5817821.387845] RIP  [<ffffffff8778b5fd>] intel_idle+0x1ad/0x225
[5817821.388363]  RSP <ffff8c9ff356be20>