Extracting prog: 4m21.245497554s
Minimizing prog: 1h36m59.850261836s
Simplifying prog options: 0s
Extracting C: 3m6.696978344s
Simplifying C: 15m45.565094545s
extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2)
r3 = syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil)
r4 = syz_kvm_add_vcpu$x86(r3, &(0x7f0000000080)={0x0, &(0x7f00000001c0)=[@wrmsr={0x65, 0x20, {0x40000000, 0x3}}, @wrmsr={0x65, 0x20, {0x40000001, 0x3f}}], 0x40})
ioctl$KVM_SET_CPUID2(r4, 0x4008ae90, &(0x7f0000000000)={0x1, 0x0, [{0x40000001, 0x4, 0x2, 0x31237648, 0x6, 0x2, 0x80}]})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_SET_REGS(r4, 0x4090ae82, &(0x7f0000000200)={[0x98f2, 0x7fffffffffffffff, 0x2, 0x1, 0x9, 0x4, 0x1ff, 0x8000000000000001, 0x4, 0x8000000000000000, 0x1, 0xffffffffffff986b, 0x3, 0x5, 0xc0000000000, 0x1], 0x0, 0x110900})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID(r2, 0x4068aea3, &(0x7f00000000c0)={0xc7, 0x0, 0x1})
program did not crash
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2)
r3 = syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil)
r4 = syz_kvm_add_vcpu$x86(r3, &(0x7f0000000080)={0x0, &(0x7f00000001c0)=[@wrmsr={0x65, 0x20, {0x40000000, 0x3}}, @wrmsr={0x65, 0x20, {0x40000001, 0x3f}}], 0x40})
ioctl$KVM_SET_CPUID2(r4, 0x4008ae90, &(0x7f0000000000)={0x1, 0x0, [{0x40000001, 0x4, 0x2, 0x31237648, 0x6, 0x2, 0x80}]})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_SET_REGS(r4, 0x4090ae82, &(0x7f0000000200)={[0x98f2, 0x7fffffffffffffff, 0x2, 0x1, 0x9, 0x4, 0x1ff, 0x8000000000000001, 0x4, 0x8000000000000000, 0x1, 0xffffffffffff986b, 0x3, 0x5, 0xc0000000000, 0x1], 0x0, 0x110900})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID(r2, 0x4068aea3, &(0x7f00000000c0)={0xc7, 0x0, 0x1})
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2)
r3 = syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil)
r4 = syz_kvm_add_vcpu$x86(r3, &(0x7f0000000080)={0x0, &(0x7f00000001c0)=[@wrmsr={0x65, 0x20, {0x40000000, 0x3}}, @wrmsr={0x65, 0x20, {0x40000001, 0x3f}}], 0x40})
ioctl$KVM_SET_CPUID2(r4, 0x4008ae90, &(0x7f0000000000)={0x1, 0x0, [{0x40000001, 0x4, 0x2, 0x31237648, 0x6, 0x2, 0x80}]})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_SET_REGS(r4, 0x4090ae82, &(0x7f0000000200)={[0x98f2, 0x7fffffffffffffff, 0x2, 0x1, 0x9, 0x4, 0x1ff, 0x8000000000000001, 0x4, 0x8000000000000000, 0x1, 0xffffffffffff986b, 0x3, 0x5, 0xc0000000000, 0x1], 0x0, 0x110900})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID(r2, 0x4068aea3, &(0x7f00000000c0)={0xc7, 0x0, 0x1})
program crashed: WARNING in hv_tlb_flush_enqueue
single: successfully extracted reproducer
found reproducer with 10 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2)
r2 = syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil)
r3 = syz_kvm_add_vcpu$x86(r2, &(0x7f0000000080)={0x0, &(0x7f00000001c0)=[@wrmsr={0x65, 0x20, {0x40000000, 0x3}}, @wrmsr={0x65, 0x20, {0x40000001, 0x3f}}], 0x40})
ioctl$KVM_SET_CPUID2(r3, 0x4008ae90, &(0x7f0000000000)={0x1, 0x0, [{0x40000001, 0x4, 0x2, 0x31237648, 0x6, 0x2, 0x80}]})
ioctl$KVM_RUN(r3, 0xae80, 0x0)
ioctl$KVM_SET_REGS(r3, 0x4090ae82, &(0x7f0000000200)={[0x98f2, 0x7fffffffffffffff, 0x2, 0x1, 0x9, 0x4, 0x1ff, 0x8000000000000001, 0x4, 0x8000000000000000, 0x1, 0xffffffffffff986b, 0x3, 0x5, 0xc0000000000, 0x1], 0x0, 0x110900})
ioctl$KVM_RUN(r3, 0xae80, 0x0)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2)
r3 = syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil)
r4 = syz_kvm_add_vcpu$x86(r3, &(0x7f0000000080)={0x0, &(0x7f00000001c0)=[@wrmsr={0x65, 0x20, {0x40000000, 0x3}}, @wrmsr={0x65, 0x20, {0x40000001, 0x3f}}], 0x40})
ioctl$KVM_SET_CPUID2(r4, 0x4008ae90, &(0x7f0000000000)={0x1, 0x0, [{0x40000001, 0x4, 0x2, 0x31237648, 0x6, 0x2, 0x80}]})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_SET_REGS(r4, 0x4090ae82, &(0x7f0000000200)={[0x98f2, 0x7fffffffffffffff, 0x2, 0x1, 0x9, 0x4, 0x1ff, 0x8000000000000001, 0x4, 0x8000000000000000, 0x1, 0xffffffffffff986b, 0x3, 0x5, 0xc0000000000, 0x1], 0x0, 0x110900})
ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID(r2, 0x4068aea3, &(0x7f00000000c0)={0xc7, 0x0, 0x1})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2)
r3 = syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil)
r4 = syz_kvm_add_vcpu$x86(r3, &(0x7f0000000080)={0x0, &(0x7f00000001c0)=[@wrmsr={0x65, 0x20, {0x40000000, 0x3}}, @wrmsr={0x65, 0x20, {0x40000001, 0x3f}}], 0x40})
ioctl$KVM_SET_CPUID2(r4, 0x4008ae90, &(0x7f0000000000)={0x1, 0x0, [{0x40000001, 0x4, 0x2, 0x31237648, 0x6, 0x2, 0x80}]})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID(r2, 0x4068aea3, &(0x7f00000000c0)={0xc7, 0x0, 0x1})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2)
r3 = syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil)
r4 = syz_kvm_add_vcpu$x86(r3, &(0x7f0000000080)={0x0, &(0x7f00000001c0)=[@wrmsr={0x65, 0x20, {0x40000000, 0x3}}, @wrmsr={0x65, 0x20, {0x40000001, 0x3f}}], 0x40})
ioctl$KVM_SET_CPUID2(r4, 0x4008ae90, &(0x7f0000000000)={0x1, 0x0, [{0x40000001, 0x4, 0x2, 0x31237648, 0x6, 0x2, 0x80}]})
ioctl$KVM_SET_REGS(r4, 0x4090ae82, &(0x7f0000000200)={[0x98f2, 0x7fffffffffffffff, 0x2, 0x1, 0x9, 0x4, 0x1ff, 0x8000000000000001, 0x4, 0x8000000000000000, 0x1, 0xffffffffffff986b, 0x3, 0x5, 0xc0000000000, 0x1], 0x0, 0x110900})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID(r2, 0x4068aea3, &(0x7f00000000c0)={0xc7, 0x0, 0x1})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2)
r3 = syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil)
r4 = syz_kvm_add_vcpu$x86(r3, &(0x7f0000000080)={0x0, &(0x7f00000001c0)=[@wrmsr={0x65, 0x20, {0x40000000, 0x3}}, @wrmsr={0x65, 0x20, {0x40000001, 0x3f}}], 0x40})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_SET_REGS(r4, 0x4090ae82, &(0x7f0000000200)={[0x98f2, 0x7fffffffffffffff, 0x2, 0x1, 0x9, 0x4, 0x1ff, 0x8000000000000001, 0x4, 0x8000000000000000, 0x1, 0xffffffffffff986b, 0x3, 0x5, 0xc0000000000, 0x1], 0x0, 0x110900})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID(r2, 0x4068aea3, &(0x7f00000000c0)={0xc7, 0x0, 0x1})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2)
syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil)
ioctl$KVM_SET_CPUID2(0xffffffffffffffff, 0x4008ae90, &(0x7f0000000000)={0x1, 0x0, [{0x40000001, 0x4, 0x2, 0x31237648, 0x6, 0x2, 0x80}]})
ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0)
ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000200)={[0x98f2, 0x7fffffffffffffff, 0x2, 0x1, 0x9, 0x4, 0x1ff, 0x8000000000000001, 0x4, 0x8000000000000000, 0x1, 0xffffffffffff986b, 0x3, 0x5, 0xc0000000000, 0x1], 0x0, 0x110900})
ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0)
ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID(r2, 0x4068aea3, &(0x7f00000000c0)={0xc7, 0x0, 0x1})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2)
r3 = syz_kvm_add_vcpu$x86(0x0, &(0x7f0000000080)={0x0, &(0x7f00000001c0)=[@wrmsr={0x65, 0x20, {0x40000000, 0x3}}, @wrmsr={0x65, 0x20, {0x40000001, 0x3f}}], 0x40})
ioctl$KVM_SET_CPUID2(r3, 0x4008ae90, &(0x7f0000000000)={0x1, 0x0, [{0x40000001, 0x4, 0x2, 0x31237648, 0x6, 0x2, 0x80}]})
ioctl$KVM_RUN(r3, 0xae80, 0x0)
ioctl$KVM_SET_REGS(r3, 0x4090ae82, &(0x7f0000000200)={[0x98f2, 0x7fffffffffffffff, 0x2, 0x1, 0x9, 0x4, 0x1ff, 0x8000000000000001, 0x4, 0x8000000000000000, 0x1, 0xffffffffffff986b, 0x3, 0x5, 0xc0000000000, 0x1], 0x0, 0x110900})
ioctl$KVM_RUN(r3, 0xae80, 0x0)
ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID(r2, 0x4068aea3, &(0x7f00000000c0)={0xc7, 0x0, 0x1})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil)
r3 = syz_kvm_add_vcpu$x86(r2, &(0x7f0000000080)={0x0, &(0x7f00000001c0)=[@wrmsr={0x65, 0x20, {0x40000000, 0x3}}, @wrmsr={0x65, 0x20, {0x40000001, 0x3f}}], 0x40})
ioctl$KVM_SET_CPUID2(r3, 0x4008ae90, &(0x7f0000000000)={0x1, 0x0, [{0x40000001, 0x4, 0x2, 0x31237648, 0x6, 0x2, 0x80}]})
ioctl$KVM_RUN(r3, 0xae80, 0x0)
ioctl$KVM_SET_REGS(r3, 0x4090ae82, &(0x7f0000000200)={[0x98f2, 0x7fffffffffffffff, 0x2, 0x1, 0x9, 0x4, 0x1ff, 0x8000000000000001, 0x4, 0x8000000000000000, 0x1, 0xffffffffffff986b, 0x3, 0x5, 0xc0000000000, 0x1], 0x0, 0x110900})
ioctl$KVM_RUN(r3, 0xae80, 0x0)
ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID(0xffffffffffffffff, 0x4068aea3, &(0x7f00000000c0)={0xc7, 0x0, 0x1})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
detailed listing:
executing program 0:
openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r0 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x2)
r1 = syz_kvm_setup_syzos_vm$x86(0xffffffffffffffff, &(0x7f0000c00000/0x400000)=nil)
r2 = syz_kvm_add_vcpu$x86(r1, &(0x7f0000000080)={0x0, &(0x7f00000001c0)=[@wrmsr={0x65, 0x20, {0x40000000, 0x3}}, @wrmsr={0x65, 0x20, {0x40000001, 0x3f}}], 0x40})
ioctl$KVM_SET_CPUID2(r2, 0x4008ae90, &(0x7f0000000000)={0x1, 0x0, [{0x40000001, 0x4, 0x2, 0x31237648, 0x6, 0x2, 0x80}]})
ioctl$KVM_RUN(r2, 0xae80, 0x0)
ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000200)={[0x98f2, 0x7fffffffffffffff, 0x2, 0x1, 0x9, 0x4, 0x1ff, 0x8000000000000001, 0x4, 0x8000000000000000, 0x1, 0xffffffffffff986b, 0x3, 0x5, 0xc0000000000, 0x1], 0x0, 0x110900})
ioctl$KVM_RUN(r2, 0xae80, 0x0)
ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID(r0, 0x4068aea3, &(0x7f00000000c0)={0xc7, 0x0, 0x1})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
detailed listing:
executing program 0:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
r1 = ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x2)
r2 = syz_kvm_setup_syzos_vm$x86(r0, &(0x7f0000c00000/0x400000)=nil)
r3 = syz_kvm_add_vcpu$x86(r2, &(0x7f0000000080)={0x0, &(0x7f00000001c0)=[@wrmsr={0x65, 0x20, {0x40000000, 0x3}}, @wrmsr={0x65, 0x20, {0x40000001, 0x3f}}], 0x40})
ioctl$KVM_SET_CPUID2(r3, 0x4008ae90, &(0x7f0000000000)={0x1, 0x0, [{0x40000001, 0x4, 0x2, 0x31237648, 0x6, 0x2, 0x80}]})
ioctl$KVM_RUN(r3, 0xae80, 0x0)
ioctl$KVM_SET_REGS(r3, 0x4090ae82, &(0x7f0000000200)={[0x98f2, 0x7fffffffffffffff, 0x2, 0x1, 0x9, 0x4, 0x1ff, 0x8000000000000001, 0x4, 0x8000000000000000, 0x1, 0xffffffffffff986b, 0x3, 0x5, 0xc0000000000, 0x1], 0x0, 0x110900})
ioctl$KVM_RUN(r3, 0xae80, 0x0)
ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID(r1, 0x4068aea3, &(0x7f00000000c0)={0xc7, 0x0, 0x1})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2)
r3 = syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil)
r4 = syz_kvm_add_vcpu$x86(r3, &(0x7f0000000080)={0x0, &(0x7f00000001c0)=[@wrmsr={0x65, 0x20, {0x40000000, 0x3}}, @wrmsr={0x65, 0x20, {0x40000001, 0x3f}}], 0x40})
ioctl$KVM_SET_CPUID2(r4, 0x4008ae90, &(0x7f0000000000)={0x1, 0x0, [{0x40000001, 0x4, 0x2, 0x31237648, 0x6, 0x2, 0x80}]})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_SET_REGS(r4, 0x4090ae82, &(0x7f0000000200)={[0x98f2, 0x7fffffffffffffff, 0x2, 0x1, 0x9, 0x4, 0x1ff, 0x8000000000000001, 0x4, 0x8000000000000000, 0x1, 0xffffffffffff986b, 0x3, 0x5, 0xc0000000000, 0x1], 0x0, 0x110900})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID(r2, 0x4068aea3, &(0x7f00000000c0)={0xc7, 0x0, 0x1})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2)
r3 = syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil)
r4 = syz_kvm_add_vcpu$x86(r3, 0x0)
ioctl$KVM_SET_CPUID2(r4, 0x4008ae90, &(0x7f0000000000)={0x1, 0x0, [{0x40000001, 0x4, 0x2, 0x31237648, 0x6, 0x2, 0x80}]})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_SET_REGS(r4, 0x4090ae82, &(0x7f0000000200)={[0x98f2, 0x7fffffffffffffff, 0x2, 0x1, 0x9, 0x4, 0x1ff, 0x8000000000000001, 0x4, 0x8000000000000000, 0x1, 0xffffffffffff986b, 0x3, 0x5, 0xc0000000000, 0x1], 0x0, 0x110900})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID(r2, 0x4068aea3, &(0x7f00000000c0)={0xc7, 0x0, 0x1})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2)
r3 = syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil)
r4 = syz_kvm_add_vcpu$x86(r3, &(0x7f0000000080)={0x0, 0x0})
ioctl$KVM_SET_CPUID2(r4, 0x4008ae90, &(0x7f0000000000)={0x1, 0x0, [{0x40000001, 0x4, 0x2, 0x31237648, 0x6, 0x2, 0x80}]})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_SET_REGS(r4, 0x4090ae82, &(0x7f0000000200)={[0x98f2, 0x7fffffffffffffff, 0x2, 0x1, 0x9, 0x4, 0x1ff, 0x8000000000000001, 0x4, 0x8000000000000000, 0x1, 0xffffffffffff986b, 0x3, 0x5, 0xc0000000000, 0x1], 0x0, 0x110900})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID(r2, 0x4068aea3, &(0x7f00000000c0)={0xc7, 0x0, 0x1})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2)
r3 = syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil)
r4 = syz_kvm_add_vcpu$x86(r3, &(0x7f0000000080)={0x0, &(0x7f00000001c0)=[@wrmsr={0x65, 0x20, {0x40000000, 0x3}}, @wrmsr={0x65, 0x20, {0x40000001, 0x3f}}], 0x40})
ioctl$KVM_SET_CPUID2(r4, 0x4008ae90, 0x0)
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_SET_REGS(r4, 0x4090ae82, &(0x7f0000000200)={[0x98f2, 0x7fffffffffffffff, 0x2, 0x1, 0x9, 0x4, 0x1ff, 0x8000000000000001, 0x4, 0x8000000000000000, 0x1, 0xffffffffffff986b, 0x3, 0x5, 0xc0000000000, 0x1], 0x0, 0x110900})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID(r2, 0x4068aea3, &(0x7f00000000c0)={0xc7, 0x0, 0x1})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2)
r3 = syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil)
r4 = syz_kvm_add_vcpu$x86(r3, &(0x7f0000000080)={0x0, &(0x7f00000001c0)=[@wrmsr={0x65, 0x20, {0x40000000, 0x3}}, @wrmsr={0x65, 0x20, {0x40000001, 0x3f}}], 0x40})
ioctl$KVM_SET_CPUID2(r4, 0x4008ae90, &(0x7f0000000000)={0x1, 0x0, [{0x40000001, 0x4, 0x2, 0x31237648, 0x6, 0x2, 0x80}]})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_SET_REGS(r4, 0x4090ae82, 0x0)
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID(r2, 0x4068aea3, &(0x7f00000000c0)={0xc7, 0x0, 0x1})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2)
r3 = syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil)
r4 = syz_kvm_add_vcpu$x86(r3, &(0x7f0000000080)={0x0, &(0x7f00000001c0)=[@wrmsr={0x65, 0x20, {0x40000000, 0x3}}, @wrmsr={0x65, 0x20, {0x40000001, 0x3f}}], 0x40})
ioctl$KVM_SET_CPUID2(r4, 0x4008ae90, &(0x7f0000000000)={0x1, 0x0, [{0x40000001, 0x4, 0x2, 0x31237648, 0x6, 0x2, 0x80}]})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_SET_REGS(r4, 0x4090ae82, &(0x7f0000000200)={[0x98f2, 0x7fffffffffffffff, 0x2, 0x1, 0x9, 0x4, 0x1ff, 0x8000000000000001, 0x4, 0x8000000000000000, 0x1, 0xffffffffffff986b, 0x3, 0x5, 0xc0000000000, 0x1], 0x0, 0x110900})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID(r2, 0x4068aea3, 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
program crashed: WARNING in hv_tlb_flush_enqueue
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
program crashed: WARNING in hv_tlb_flush_enqueue
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
program crashed: WARNING in hv_tlb_flush_enqueue
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
program crashed: WARNING in hv_tlb_flush_enqueue
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
program crashed: WARNING in hv_tlb_flush_enqueue
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
program crashed: WARNING in hv_tlb_flush_enqueue
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2)
r3 = syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil)
r4 = syz_kvm_add_vcpu$x86(r3, &(0x7f0000000080)={0x0, &(0x7f00000001c0)=[@wrmsr={0x65, 0x20, {0x40000000, 0x3}}, @wrmsr={0x65, 0x20, {0x40000001, 0x3f}}], 0x40})
ioctl$KVM_SET_CPUID2(r4, 0x4008ae90, &(0x7f0000000000)={0x1, 0x0, [{0x40000001, 0x4, 0x2, 0x31237648, 0x6, 0x2, 0x80}]})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_SET_REGS(r4, 0x4090ae82, &(0x7f0000000200)={[0x98f2, 0x7fffffffffffffff, 0x2, 0x1, 0x9, 0x4, 0x1ff, 0x8000000000000001, 0x4, 0x8000000000000000, 0x1, 0xffffffffffff986b, 0x3, 0x5, 0xc0000000000, 0x1], 0x0, 0x110900})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID(r2, 0x4068aea3, &(0x7f00000000c0)={0xc7, 0x0, 0x1})
program crashed: WARNING in hv_tlb_flush_enqueue
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2)
r3 = syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil)
r4 = syz_kvm_add_vcpu$x86(r3, &(0x7f0000000080)={0x0, &(0x7f00000001c0)=[@wrmsr={0x65, 0x20, {0x40000000, 0x3}}, @wrmsr={0x65, 0x20, {0x40000001, 0x3f}}], 0x40})
ioctl$KVM_SET_CPUID2(r4, 0x4008ae90, &(0x7f0000000000)={0x1, 0x0, [{0x40000001, 0x4, 0x2, 0x31237648, 0x6, 0x2, 0x80}]})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_SET_REGS(r4, 0x4090ae82, &(0x7f0000000200)={[0x98f2, 0x7fffffffffffffff, 0x2, 0x1, 0x9, 0x4, 0x1ff, 0x8000000000000001, 0x4, 0x8000000000000000, 0x1, 0xffffffffffff986b, 0x3, 0x5, 0xc0000000000, 0x1], 0x0, 0x110900})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID(r2, 0x4068aea3, &(0x7f00000000c0)={0xc7, 0x0, 0x1})
program crashed: WARNING in hv_tlb_flush_enqueue
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_syzos_vm$x86-syz_kvm_add_vcpu$x86-ioctl$KVM_SET_CPUID2-ioctl$KVM_RUN-ioctl$KVM_SET_REGS-ioctl$KVM_RUN-ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2)
r3 = syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil)
r4 = syz_kvm_add_vcpu$x86(r3, &(0x7f0000000080)={0x0, &(0x7f00000001c0)=[@wrmsr={0x65, 0x20, {0x40000000, 0x3}}, @wrmsr={0x65, 0x20, {0x40000001, 0x3f}}], 0x40})
ioctl$KVM_SET_CPUID2(r4, 0x4008ae90, &(0x7f0000000000)={0x1, 0x0, [{0x40000001, 0x4, 0x2, 0x31237648, 0x6, 0x2, 0x80}]})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_SET_REGS(r4, 0x4090ae82, &(0x7f0000000200)={[0x98f2, 0x7fffffffffffffff, 0x2, 0x1, 0x9, 0x4, 0x1ff, 0x8000000000000001, 0x4, 0x8000000000000000, 0x1, 0xffffffffffff986b, 0x3, 0x5, 0xc0000000000, 0x1], 0x0, 0x110900})
ioctl$KVM_RUN(r4, 0xae80, 0x0)
ioctl$KVM_CAP_HYPERV_ENFORCE_CPUID(r2, 0x4068aea3, &(0x7f00000000c0)={0xc7, 0x0, 0x1})
program crashed: WARNING in hv_tlb_flush_enqueue
validation run: crashed=true
reproducing took 2h6m1.729898421s
repro crashed as (corrupted=false):
------------[ cut here ]------------
pvqspinlock: lock 0xffff88802c0c8790 has corrupted value 0x0!
WARNING: kernel/locking/qspinlock_paravirt.h:504 at __pv_queued_spin_unlock_slowpath+0x220/0x2e0 kernel/locking/qspinlock_paravirt.h:504, CPU#0: syz.0.3154/18851
Modules linked in:
CPU: 0 UID: 0 PID: 18851 Comm: syz.0.3154 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__pv_queued_spin_unlock_slowpath+0x223/0x2e0 kernel/locking/qspinlock_paravirt.h:504
Code: fc ff df 48 c1 ea 03 0f b6 14 02 4c 89 e0 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 4d 41 8b 14 24 48 8d 3d 40 00 44 05 4c 89 e6 <67> 48 0f b9 3a e9 2f ff ff ff 48 89 df 48 89 14 24 e8 17 07 e0 f6
RSP: 0018:ffffc9000c4273a0 EFLAGS: 00010246
RAX: 0000000000000003 RBX: ffff88802c0c8790 RCX: ffffffff8b99c87f
RDX: 0000000000000000 RSI: ffff88802c0c8790 RDI: ffffffff90ddc8f0
RBP: ffff88802c0c8798 R08: 0000000000000000 R09: ffffed10058190f2
R10: ffff88802c0c8793 R11: 0000000000000000 R12: ffff88802c0c8790
R13: ffff88802c0c8000 R14: 0000000000000000 R15: ffff88802c0c87d0
FS: 00007ffaf56696c0(0000) GS:ffff8880d6318000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000005645e000 CR4: 0000000000352ef0
Call Trace:
__raw_callee_save___pv_queued_spin_unlock_slowpath+0x15/0x40
.slowpath+0x9/0x18
pv_queued_spin_unlock arch/x86/include/asm/paravirt-spinlock.h:40 [inline]
queued_spin_unlock arch/x86/include/asm/paravirt-spinlock.h:72 [inline]
do_raw_spin_unlock+0x145/0x1e0 kernel/locking/spinlock_debug.c:142
__raw_spin_unlock include/linux/spinlock_api_smp.h:168 [inline]
_raw_spin_unlock+0x1e/0x50 kernel/locking/spinlock.c:190
spin_unlock include/linux/spinlock.h:390 [inline]
hv_tlb_flush_enqueue.isra.0+0x195/0x200 arch/x86/kvm/hyperv.c:1967
kvm_hv_flush_tlb+0x17b4/0x1ae0 arch/x86/kvm/hyperv.c:2150
kvm_hv_hypercall+0xd0b/0x2350 arch/x86/kvm/hyperv.c:2629
kvm_emulate_hypercall+0x115/0x3c0 arch/x86/kvm/x86.c:10510
__vmx_handle_exit arch/x86/kvm/vmx/vmx.c:6848 [inline]
vmx_handle_exit+0x4d6/0x1ef0 arch/x86/kvm/vmx/vmx.c:6858
vcpu_enter_guest arch/x86/kvm/x86.c:11550 [inline]
vcpu_run+0x3558/0x5d50 arch/x86/kvm/x86.c:11707
kvm_arch_vcpu_ioctl_run+0x5b6/0x1890 arch/x86/kvm/x86.c:12062
kvm_vcpu_ioctl+0x730/0x1700 virt/kvm/kvm_main.c:4470
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl fs/ioctl.c:583 [inline]
__x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ffaf479ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffaf5669028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffaf4a15fa0 RCX: 00007ffaf479ce59
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000006
RBP: 00007ffaf4832e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffaf4a16038 R14: 00007ffaf4a15fa0 R15: 00007ffcc021d3a8
----------------
Code disassembly (best guess), 3 bytes skipped:
0: 48 c1 ea 03 shr $0x3,%rdx
4: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx
8: 4c 89 e0 mov %r12,%rax
b: 83 e0 07 and $0x7,%eax
e: 83 c0 03 add $0x3,%eax
11: 38 d0 cmp %dl,%al
13: 7c 04 jl 0x19
15: 84 d2 test %dl,%dl
17: 75 4d jne 0x66
19: 41 8b 14 24 mov (%r12),%edx
1d: 48 8d 3d 40 00 44 05 lea 0x5440040(%rip),%rdi # 0x5440064
24: 4c 89 e6 mov %r12,%rsi
* 27: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2c: e9 2f ff ff ff jmp 0xffffff60
31: 48 89 df mov %rbx,%rdi
34: 48 89 14 24 mov %rdx,(%rsp)
38: e8 17 07 e0 f6 call 0xf6e00754
final repro crashed as (corrupted=false):
------------[ cut here ]------------
pvqspinlock: lock 0xffff88802c0c8790 has corrupted value 0x0!
WARNING: kernel/locking/qspinlock_paravirt.h:504 at __pv_queued_spin_unlock_slowpath+0x220/0x2e0 kernel/locking/qspinlock_paravirt.h:504, CPU#0: syz.0.3154/18851
Modules linked in:
CPU: 0 UID: 0 PID: 18851 Comm: syz.0.3154 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__pv_queued_spin_unlock_slowpath+0x223/0x2e0 kernel/locking/qspinlock_paravirt.h:504
Code: fc ff df 48 c1 ea 03 0f b6 14 02 4c 89 e0 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 4d 41 8b 14 24 48 8d 3d 40 00 44 05 4c 89 e6 <67> 48 0f b9 3a e9 2f ff ff ff 48 89 df 48 89 14 24 e8 17 07 e0 f6
RSP: 0018:ffffc9000c4273a0 EFLAGS: 00010246
RAX: 0000000000000003 RBX: ffff88802c0c8790 RCX: ffffffff8b99c87f
RDX: 0000000000000000 RSI: ffff88802c0c8790 RDI: ffffffff90ddc8f0
RBP: ffff88802c0c8798 R08: 0000000000000000 R09: ffffed10058190f2
R10: ffff88802c0c8793 R11: 0000000000000000 R12: ffff88802c0c8790
R13: ffff88802c0c8000 R14: 0000000000000000 R15: ffff88802c0c87d0
FS: 00007ffaf56696c0(0000) GS:ffff8880d6318000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000005645e000 CR4: 0000000000352ef0
Call Trace:
__raw_callee_save___pv_queued_spin_unlock_slowpath+0x15/0x40
.slowpath+0x9/0x18
pv_queued_spin_unlock arch/x86/include/asm/paravirt-spinlock.h:40 [inline]
queued_spin_unlock arch/x86/include/asm/paravirt-spinlock.h:72 [inline]
do_raw_spin_unlock+0x145/0x1e0 kernel/locking/spinlock_debug.c:142
__raw_spin_unlock include/linux/spinlock_api_smp.h:168 [inline]
_raw_spin_unlock+0x1e/0x50 kernel/locking/spinlock.c:190
spin_unlock include/linux/spinlock.h:390 [inline]
hv_tlb_flush_enqueue.isra.0+0x195/0x200 arch/x86/kvm/hyperv.c:1967
kvm_hv_flush_tlb+0x17b4/0x1ae0 arch/x86/kvm/hyperv.c:2150
kvm_hv_hypercall+0xd0b/0x2350 arch/x86/kvm/hyperv.c:2629
kvm_emulate_hypercall+0x115/0x3c0 arch/x86/kvm/x86.c:10510
__vmx_handle_exit arch/x86/kvm/vmx/vmx.c:6848 [inline]
vmx_handle_exit+0x4d6/0x1ef0 arch/x86/kvm/vmx/vmx.c:6858
vcpu_enter_guest arch/x86/kvm/x86.c:11550 [inline]
vcpu_run+0x3558/0x5d50 arch/x86/kvm/x86.c:11707
kvm_arch_vcpu_ioctl_run+0x5b6/0x1890 arch/x86/kvm/x86.c:12062
kvm_vcpu_ioctl+0x730/0x1700 virt/kvm/kvm_main.c:4470
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl fs/ioctl.c:583 [inline]
__x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ffaf479ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffaf5669028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffaf4a15fa0 RCX: 00007ffaf479ce59
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000006
RBP: 00007ffaf4832e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffaf4a16038 R14: 00007ffaf4a15fa0 R15: 00007ffcc021d3a8
----------------
Code disassembly (best guess), 3 bytes skipped:
0: 48 c1 ea 03 shr $0x3,%rdx
4: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx
8: 4c 89 e0 mov %r12,%rax
b: 83 e0 07 and $0x7,%eax
e: 83 c0 03 add $0x3,%eax
11: 38 d0 cmp %dl,%al
13: 7c 04 jl 0x19
15: 84 d2 test %dl,%dl
17: 75 4d jne 0x66
19: 41 8b 14 24 mov (%r12),%edx
1d: 48 8d 3d 40 00 44 05 lea 0x5440040(%rip),%rdi # 0x5440064
24: 4c 89 e6 mov %r12,%rsi
* 27: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2c: e9 2f ff ff ff jmp 0xffffff60
31: 48 89 df mov %rbx,%rdi
34: 48 89 14 24 mov %rdx,(%rsp)
38: e8 17 07 e0 f6 call 0xf6e00754