[Bug 206215] New: QEMU guest crash due to random 'general protection fault' since kernel 5.2.5 on i7-3517UE

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https://bugzilla.kernel.org/show_bug.cgi?id=206215

            Bug ID: 206215
           Summary: QEMU guest crash due to random 'general protection
                    fault' since kernel 5.2.5 on i7-3517UE
           Product: Virtualization
           Version: unspecified
    Kernel Version: 5.5.0-0.rc6
          Hardware: x86-64
                OS: Linux
              Tree: Fedora
            Status: NEW
          Severity: blocking
          Priority: P1
         Component: kvm
          Assignee: virtualization_kvm@xxxxxxxxxxxxxxxxxxxx
          Reporter: kernel@xxxxxxxxxx
        Regression: Yes

Created attachment 286831
  --> https://bugzilla.kernel.org/attachment.cgi?id=286831&action=edit
relevant logs

Since kernel 5.2.5 any qemu guest fail to start due to "general protection
fault"

[  188.533545] traps: gsd-wacom[1855] general protection fault ip:7fed39b5e7b0
sp:7fff3e349620 error:0 in libglib-2.0.so.0.6200.1[7fed39ae3000+83000]
[  192.002357] traps: gvfs-fuse-sub[1560] general protection fault
ip:7f9cd88100b2 sp:7f9cd5db0bf0 error:0 in
libglib-2.0.so.0.6200.1[7f9cd87de000+83000]

Please note that kernel 5.2.4 work fine.

Tested guests with Widows Server 2016/2019 & Fedora 31

Attached logs show the DMESG output of the guests

Attached host files contains a WARNING thrown upong first guest start on the
hypervisor:

[   49.533713] WARNING: CPU: 3 PID: 966 at arch/x86/kvm/x86.c:7963
kvm_arch_vcpu_ioctl_run+0x1927/0x1ce0 [kvm]
[   49.533714] Modules linked in: vhost_net vhost tap tun xfrm4_tunnel tunnel4
ipcomp xfrm_ipcomp esp4 ah4 af_key ebtable_filter ebtables ip6table_filter
ip6_tables bridge stp llc nf_log_ipv4 nf_log_common xt_LOG ipt_REJECT
nf_reject_ipv4 iptable_filter iptable_security iptable_raw xt_state
xt_conntrack xt_DSCP xt_multiport iptable_mangle xt_TCPMSS xt_tcpmss xt_policy
xt_nat iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 intel_rapl
x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel sunrpc kvm vfat fat
mei_hdcp mei_wdt snd_hda_codec_hdmi iTCO_wdt irqbypass iTCO_vendor_support
snd_hda_codec_realtek snd_hda_codec_generic crct10dif_pclmul crc32_pclmul
ledtrig_audio snd_hda_intel ghash_clmulni_intel snd_hda_codec intel_cstate
intel_uncore snd_hda_core snd_hwdep intel_rapl_perf snd_seq snd_seq_device
snd_pcm i2c_i801 r8169 lpc_ich mei_me snd_timer snd mei e1000e soundcore
pcc_cpufreq tcp_bbr sch_fq ip_tables xfs i915 libcrc32c i2c_algo_bit
drm_kms_helper crc32c_intel drm
[   49.533760]  serio_raw video
[   49.533764] CPU: 3 PID: 966 Comm: CPU 0/KVM Not tainted
5.2.5-200.fc30.x86_64 #1
[   49.533765] Hardware name: CompuLab 0000000-00000/Intense-PC, BIOS
IPC_2.2.400.5 X64 03/15/2018
[   49.533784] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1927/0x1ce0 [kvm]
[   49.533786] Code: 4c 89 e7 e8 1b 0b ff ff 4c 89 e7 e8 d3 8c fe ff 41 83 a4
24 e8 36 00 00 fb e9 bd ed ff ff f0 41 80 4c 24 31 10 e9 a5 ee ff ff <0f> 0b e9
74 ed ff ff 49 8b 84 24 c8 02 00 00 a9 00 00 01 00 0f 84
[   49.533787] RSP: 0018:ffffbe4e423ffd30 EFLAGS: 00010002
[   49.533789] RAX: 0000000000004b00 RBX: 0000000000000000 RCX:
ffffa044ce958000
[   49.533790] RDX: 0000000000000000 RSI: 0000000000000000 RDI:
0000000000000000
[   49.533791] RBP: ffffbe4e423ffdd8 R08: 0000000000000000 R09:
00000000000003e8
[   49.533792] R10: 0000000000000000 R11: 0000000000000000 R12:
ffffa044d38f8000
[   49.533792] R13: 0000000000000000 R14: ffffbe4e41ccf7b8 R15:
0000000000000000
[   49.533794] FS:  00007f117953f700(0000) GS:ffffa044ee2c0000(0000)
knlGS:0000000000000000
[   49.533795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.533796] CR2: 0000000000000000 CR3: 000000040e8c2003 CR4:
00000000001626e0
[   49.533797] Call Trace:
[   49.533817]  kvm_vcpu_ioctl+0x215/0x5c0 [kvm]
[   49.533821]  ? __seccomp_filter+0x7b/0x640
[   49.533824]  ? __switch_to_asm+0x34/0x70
[   49.533826]  ? __switch_to_asm+0x34/0x70
[   49.533827]  ? apic_timer_interrupt+0xa/0x20
[   49.533831]  do_vfs_ioctl+0x405/0x660
[   49.533834]  ksys_ioctl+0x5e/0x90
[   49.533836]  __x64_sys_ioctl+0x16/0x20
[   49.533839]  do_syscall_64+0x5f/0x1a0
[   49.533842]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   49.533844] RIP: 0033:0x7f117d1fb34b
[   49.533845] Code: 0f 1e fa 48 8b 05 3d 9b 0c 00 64 c7 00 26 00 00 00 48 c7
c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01
f0 ff ff 73 01 c3 48 8b 0d 0d 9b 0c 00 f7 d8 64 89 01 48
[   49.533846] RSP: 002b:00007f117953e698 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[   49.533848] RAX: ffffffffffffffda RBX: 0000564f2cb65ba0 RCX:
00007f117d1fb34b
[   49.533849] RDX: 0000000000000000 RSI: 000000000000ae80 RDI:
0000000000000019
[   49.533850] RBP: 00007f1179f20000 R08: 0000564f2b7e5390 R09:
000000000000ffff
[   49.533851] R10: 0000564f2ca7a710 R11: 0000000000000246 R12:
0000000000000001
[   49.533852] R13: 00007f1179f21002 R14: 0000000000000000 R15:
0000564f2bc66e80
[   49.533854] ---[ end trace a562473b18c9b742 ]---

/proc/cpuinfo

processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 58
model name      : Intel(R) Core(TM) i7-3517UE CPU @ 1.70GHz
stepping        : 9
microcode       : 0x1f
cpu MHz         : 828.296
cache size      : 4096 KB
physical id     : 0
siblings        : 4
core id         : 0
cpu cores       : 2
apicid          : 0
initial apicid  : 0
fpu             : yes
fpu_exception   : yes
cpuid level     : 13
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm
constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid
aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr
pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes xsave avx f16c
rdrand lahf_lm cpuid_fault epb pti ibrs ibpb stibp tpr_shadow vnmi flexpriority
ept vpid fsgsbase smep erms xsaveopt dtherm ida arat pln pts
bugs            : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds
bogomips        : 4389.89
clflush size    : 64
cache_alignment : 64
address sizes   : 36 bits physical, 48 bits virtual
power management:

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