Extracting prog: 1m17.510003491s
Minimizing prog: 11m27.43168314s
Simplifying prog options: 0s
Extracting C: 25.039328321s
Simplifying C: 3m29.892870297s


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:false Wifi:false IEEE802154:false 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$KVM_CAP_SPLIT_IRQCHIP-ioctl$KVM_CREATE_VCPU-ioctl$KVM_GET_VCPU_MMAP_SIZE-mmap$KVM_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN-ioctl$KVM_SET_MP_STATE-ioctl$KVM_RUN
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_CAP_SPLIT_IRQCHIP(r1, 0x4068aea3, &(0x7f0000000240)={0x79, 0x0, 0x2af})
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
r3 = ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, 0xae04)
mmap$KVM_VCPU(&(0x7f0000fe9000/0x3000)=nil, r3, 0x1000007, 0x13, r2, 0x0)
syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000fe5000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x41, 0x0, 0x0)
ioctl$KVM_RUN(r2, 0xae80, 0x0)
ioctl$KVM_SET_MP_STATE(r2, 0x4004ae99, &(0x7f00000001c0)=0x4)
ioctl$KVM_RUN(r2, 0xae80, 0x0)

program crashed: WARNING in vcpu_run
single: successfully extracted reproducer
found reproducer with 10 syscalls
minimizing guilty program
testing program (duration=35.174116215s, {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:false Wifi:false IEEE802154:false 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$KVM_CAP_SPLIT_IRQCHIP-ioctl$KVM_CREATE_VCPU-ioctl$KVM_GET_VCPU_MMAP_SIZE-mmap$KVM_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN-ioctl$KVM_SET_MP_STATE
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_CAP_SPLIT_IRQCHIP(r1, 0x4068aea3, &(0x7f0000000240)={0x79, 0x0, 0x2af})
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
r3 = ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, 0xae04)
mmap$KVM_VCPU(&(0x7f0000fe9000/0x3000)=nil, r3, 0x1000007, 0x13, r2, 0x0)
syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000fe5000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x41, 0x0, 0x0)
ioctl$KVM_RUN(r2, 0xae80, 0x0)
ioctl$KVM_SET_MP_STATE(r2, 0x4004ae99, &(0x7f00000001c0)=0x4)

program did not crash
testing program (duration=35.174116215s, {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:false Wifi:false IEEE802154:false 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$KVM_CAP_SPLIT_IRQCHIP-ioctl$KVM_CREATE_VCPU-ioctl$KVM_GET_VCPU_MMAP_SIZE-mmap$KVM_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN-ioctl$KVM_RUN
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_CAP_SPLIT_IRQCHIP(r1, 0x4068aea3, &(0x7f0000000240)={0x79, 0x0, 0x2af})
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
r3 = ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, 0xae04)
mmap$KVM_VCPU(&(0x7f0000fe9000/0x3000)=nil, r3, 0x1000007, 0x13, r2, 0x0)
syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000fe5000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x41, 0x0, 0x0)
ioctl$KVM_RUN(r2, 0xae80, 0x0)
ioctl$KVM_RUN(r2, 0xae80, 0x0)

program did not crash
testing program (duration=35.174116215s, {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:false Wifi:false IEEE802154:false 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$KVM_CAP_SPLIT_IRQCHIP-ioctl$KVM_CREATE_VCPU-ioctl$KVM_GET_VCPU_MMAP_SIZE-mmap$KVM_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_MP_STATE-ioctl$KVM_RUN
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_CAP_SPLIT_IRQCHIP(r1, 0x4068aea3, &(0x7f0000000240)={0x79, 0x0, 0x2af})
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
r3 = ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, 0xae04)
mmap$KVM_VCPU(&(0x7f0000fe9000/0x3000)=nil, r3, 0x1000007, 0x13, r2, 0x0)
syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000fe5000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x41, 0x0, 0x0)
ioctl$KVM_SET_MP_STATE(r2, 0x4004ae99, &(0x7f00000001c0)=0x4)
ioctl$KVM_RUN(r2, 0xae80, 0x0)

program did not crash
testing program (duration=35.174116215s, {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:false Wifi:false IEEE802154:false 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$KVM_CAP_SPLIT_IRQCHIP-ioctl$KVM_CREATE_VCPU-ioctl$KVM_GET_VCPU_MMAP_SIZE-mmap$KVM_VCPU-ioctl$KVM_RUN-ioctl$KVM_SET_MP_STATE-ioctl$KVM_RUN
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_CAP_SPLIT_IRQCHIP(r1, 0x4068aea3, &(0x7f0000000240)={0x79, 0x0, 0x2af})
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
r3 = ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, 0xae04)
mmap$KVM_VCPU(&(0x7f0000fe9000/0x3000)=nil, r3, 0x1000007, 0x13, r2, 0x0)
ioctl$KVM_RUN(r2, 0xae80, 0x0)
ioctl$KVM_SET_MP_STATE(r2, 0x4004ae99, &(0x7f00000001c0)=0x4)
ioctl$KVM_RUN(r2, 0xae80, 0x0)

program did not crash
testing program (duration=35.174116215s, {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:false Wifi:false IEEE802154:false 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$KVM_CAP_SPLIT_IRQCHIP-ioctl$KVM_CREATE_VCPU-ioctl$KVM_GET_VCPU_MMAP_SIZE-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN-ioctl$KVM_SET_MP_STATE-ioctl$KVM_RUN
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_CAP_SPLIT_IRQCHIP(r1, 0x4068aea3, &(0x7f0000000240)={0x79, 0x0, 0x2af})
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, 0xae04)
syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000fe5000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x41, 0x0, 0x0)
ioctl$KVM_RUN(r2, 0xae80, 0x0)
ioctl$KVM_SET_MP_STATE(r2, 0x4004ae99, &(0x7f00000001c0)=0x4)
ioctl$KVM_RUN(r2, 0xae80, 0x0)

program did not crash
testing program (duration=35.174116215s, {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:false Wifi:false IEEE802154:false 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$KVM_CAP_SPLIT_IRQCHIP-ioctl$KVM_CREATE_VCPU-mmap$KVM_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN-ioctl$KVM_SET_MP_STATE-ioctl$KVM_RUN
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_CAP_SPLIT_IRQCHIP(r1, 0x4068aea3, &(0x7f0000000240)={0x79, 0x0, 0x2af})
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
mmap$KVM_VCPU(&(0x7f0000fe9000/0x3000)=nil, 0x0, 0x1000007, 0x13, r2, 0x0)
syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000fe5000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x41, 0x0, 0x0)
ioctl$KVM_RUN(r2, 0xae80, 0x0)
ioctl$KVM_SET_MP_STATE(r2, 0x4004ae99, &(0x7f00000001c0)=0x4)
ioctl$KVM_RUN(r2, 0xae80, 0x0)

program did not crash
testing program (duration=35.174116215s, {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:false Wifi:false IEEE802154:false 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$KVM_CAP_SPLIT_IRQCHIP-ioctl$KVM_GET_VCPU_MMAP_SIZE-mmap$KVM_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN-ioctl$KVM_SET_MP_STATE-ioctl$KVM_RUN
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_CAP_SPLIT_IRQCHIP(r1, 0x4068aea3, &(0x7f0000000240)={0x79, 0x0, 0x2af})
r2 = ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, 0xae04)
mmap$KVM_VCPU(&(0x7f0000fe9000/0x3000)=nil, r2, 0x1000007, 0x13, 0xffffffffffffffff, 0x0)
syz_kvm_setup_cpu$x86(r1, 0xffffffffffffffff, &(0x7f0000fe5000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x41, 0x0, 0x0)
ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0)
ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, &(0x7f00000001c0)=0x4)
ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0)

program did not crash
testing program (duration=35.174116215s, {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:false Wifi:false IEEE802154:false 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$KVM_CREATE_VCPU-ioctl$KVM_GET_VCPU_MMAP_SIZE-mmap$KVM_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN-ioctl$KVM_SET_MP_STATE-ioctl$KVM_RUN
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
r3 = ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, 0xae04)
mmap$KVM_VCPU(&(0x7f0000fe9000/0x3000)=nil, r3, 0x1000007, 0x13, r2, 0x0)
syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000fe5000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x41, 0x0, 0x0)
ioctl$KVM_RUN(r2, 0xae80, 0x0)
ioctl$KVM_SET_MP_STATE(r2, 0x4004ae99, &(0x7f00000001c0)=0x4)
ioctl$KVM_RUN(r2, 0xae80, 0x0)

program did not crash
testing program (duration=35.174116215s, {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:false Wifi:false IEEE802154:false 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_CAP_SPLIT_IRQCHIP-ioctl$KVM_CREATE_VCPU-ioctl$KVM_GET_VCPU_MMAP_SIZE-mmap$KVM_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN-ioctl$KVM_SET_MP_STATE-ioctl$KVM_RUN
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0)
ioctl$KVM_CAP_SPLIT_IRQCHIP(0xffffffffffffffff, 0x4068aea3, &(0x7f0000000240)={0x79, 0x0, 0x2af})
r1 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0)
r2 = ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, 0xae04)
mmap$KVM_VCPU(&(0x7f0000fe9000/0x3000)=nil, r2, 0x1000007, 0x13, r1, 0x0)
syz_kvm_setup_cpu$x86(0xffffffffffffffff, r1, &(0x7f0000fe5000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x41, 0x0, 0x0)
ioctl$KVM_RUN(r1, 0xae80, 0x0)
ioctl$KVM_SET_MP_STATE(r1, 0x4004ae99, &(0x7f00000001c0)=0x4)
ioctl$KVM_RUN(r1, 0xae80, 0x0)

program did not crash
testing program (duration=35.174116215s, {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:false Wifi:false IEEE802154:false 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_CAP_SPLIT_IRQCHIP-ioctl$KVM_CREATE_VCPU-ioctl$KVM_GET_VCPU_MMAP_SIZE-mmap$KVM_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN-ioctl$KVM_SET_MP_STATE-ioctl$KVM_RUN
detailed listing:
executing program 0:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
ioctl$KVM_CAP_SPLIT_IRQCHIP(r0, 0x4068aea3, &(0x7f0000000240)={0x79, 0x0, 0x2af})
r1 = ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x0)
r2 = ioctl$KVM_GET_VCPU_MMAP_SIZE(0xffffffffffffffff, 0xae04)
mmap$KVM_VCPU(&(0x7f0000fe9000/0x3000)=nil, r2, 0x1000007, 0x13, r1, 0x0)
syz_kvm_setup_cpu$x86(r0, r1, &(0x7f0000fe5000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x41, 0x0, 0x0)
ioctl$KVM_RUN(r1, 0xae80, 0x0)
ioctl$KVM_SET_MP_STATE(r1, 0x4004ae99, &(0x7f00000001c0)=0x4)
ioctl$KVM_RUN(r1, 0xae80, 0x0)

program did not crash
testing program (duration=35.174116215s, {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:false Wifi:false IEEE802154:false 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$KVM_CAP_SPLIT_IRQCHIP-ioctl$KVM_CREATE_VCPU-ioctl$KVM_GET_VCPU_MMAP_SIZE-mmap$KVM_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN-ioctl$KVM_SET_MP_STATE-ioctl$KVM_RUN
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, 0x0, 0x2, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_CAP_SPLIT_IRQCHIP(r1, 0x4068aea3, &(0x7f0000000240)={0x79, 0x0, 0x2af})
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
r3 = ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, 0xae04)
mmap$KVM_VCPU(&(0x7f0000fe9000/0x3000)=nil, r3, 0x1000007, 0x13, r2, 0x0)
syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000fe5000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x41, 0x0, 0x0)
ioctl$KVM_RUN(r2, 0xae80, 0x0)
ioctl$KVM_SET_MP_STATE(r2, 0x4004ae99, &(0x7f00000001c0)=0x4)
ioctl$KVM_RUN(r2, 0xae80, 0x0)

program did not crash
testing program (duration=35.174116215s, {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:false Wifi:false IEEE802154:false 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$KVM_CAP_SPLIT_IRQCHIP-ioctl$KVM_CREATE_VCPU-ioctl$KVM_GET_VCPU_MMAP_SIZE-mmap$KVM_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN-ioctl$KVM_SET_MP_STATE-ioctl$KVM_RUN
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_CAP_SPLIT_IRQCHIP(r1, 0x4068aea3, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
r3 = ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, 0xae04)
mmap$KVM_VCPU(&(0x7f0000fe9000/0x3000)=nil, r3, 0x1000007, 0x13, r2, 0x0)
syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000fe5000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x41, 0x0, 0x0)
ioctl$KVM_RUN(r2, 0xae80, 0x0)
ioctl$KVM_SET_MP_STATE(r2, 0x4004ae99, &(0x7f00000001c0)=0x4)
ioctl$KVM_RUN(r2, 0xae80, 0x0)

program did not crash
testing program (duration=35.174116215s, {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:false Wifi:false IEEE802154:false 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$KVM_CAP_SPLIT_IRQCHIP-ioctl$KVM_CREATE_VCPU-ioctl$KVM_GET_VCPU_MMAP_SIZE-mmap$KVM_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN-ioctl$KVM_SET_MP_STATE-ioctl$KVM_RUN
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_CAP_SPLIT_IRQCHIP(r1, 0x4068aea3, &(0x7f0000000240)={0x79, 0x0, 0x2af})
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
r3 = ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, 0xae04)
mmap$KVM_VCPU(&(0x7f0000fe9000/0x3000)=nil, r3, 0x1000007, 0x13, r2, 0x0)
syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000fe5000/0x18000)=nil, 0x0, 0x0, 0x41, 0x0, 0x0)
ioctl$KVM_RUN(r2, 0xae80, 0x0)
ioctl$KVM_SET_MP_STATE(r2, 0x4004ae99, &(0x7f00000001c0)=0x4)
ioctl$KVM_RUN(r2, 0xae80, 0x0)

program did not crash
testing program (duration=35.174116215s, {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:false Wifi:false IEEE802154:false 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$KVM_CAP_SPLIT_IRQCHIP-ioctl$KVM_CREATE_VCPU-ioctl$KVM_GET_VCPU_MMAP_SIZE-mmap$KVM_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN-ioctl$KVM_SET_MP_STATE-ioctl$KVM_RUN
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_CAP_SPLIT_IRQCHIP(r1, 0x4068aea3, &(0x7f0000000240)={0x79, 0x0, 0x2af})
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
r3 = ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, 0xae04)
mmap$KVM_VCPU(&(0x7f0000fe9000/0x3000)=nil, r3, 0x1000007, 0x13, r2, 0x0)
syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000fe5000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x41, 0x0, 0x0)
ioctl$KVM_RUN(r2, 0xae80, 0x0)
ioctl$KVM_SET_MP_STATE(r2, 0x4004ae99, 0x0)
ioctl$KVM_RUN(r2, 0xae80, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=35.174116215s, {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:false Wifi:false IEEE802154:false 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$KVM_CAP_SPLIT_IRQCHIP-ioctl$KVM_CREATE_VCPU-ioctl$KVM_GET_VCPU_MMAP_SIZE-mmap$KVM_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN-ioctl$KVM_SET_MP_STATE-ioctl$KVM_RUN
program crashed: WARNING in vcpu_run
simplifying C reproducer
testing compiled C program (duration=35.174116215s, {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:false Wifi:false IEEE802154:false 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$KVM_CAP_SPLIT_IRQCHIP-ioctl$KVM_CREATE_VCPU-ioctl$KVM_GET_VCPU_MMAP_SIZE-mmap$KVM_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN-ioctl$KVM_SET_MP_STATE-ioctl$KVM_RUN
program crashed: WARNING in vcpu_run
testing compiled C program (duration=35.174116215s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false 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$KVM_CAP_SPLIT_IRQCHIP-ioctl$KVM_CREATE_VCPU-ioctl$KVM_GET_VCPU_MMAP_SIZE-mmap$KVM_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN-ioctl$KVM_SET_MP_STATE-ioctl$KVM_RUN
program crashed: WARNING in vcpu_run
testing compiled C program (duration=35.174116215s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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$KVM_CAP_SPLIT_IRQCHIP-ioctl$KVM_CREATE_VCPU-ioctl$KVM_GET_VCPU_MMAP_SIZE-mmap$KVM_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN-ioctl$KVM_SET_MP_STATE-ioctl$KVM_RUN
program crashed: WARNING in vcpu_run
testing compiled C program (duration=35.174116215s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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$KVM_CAP_SPLIT_IRQCHIP-ioctl$KVM_CREATE_VCPU-ioctl$KVM_GET_VCPU_MMAP_SIZE-mmap$KVM_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN-ioctl$KVM_SET_MP_STATE-ioctl$KVM_RUN
program crashed: WARNING in vcpu_run
testing compiled C program (duration=35.174116215s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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$KVM_CAP_SPLIT_IRQCHIP-ioctl$KVM_CREATE_VCPU-ioctl$KVM_GET_VCPU_MMAP_SIZE-mmap$KVM_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN-ioctl$KVM_SET_MP_STATE-ioctl$KVM_RUN
program crashed: WARNING in vcpu_run
testing compiled C program (duration=35.174116215s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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$KVM_CAP_SPLIT_IRQCHIP-ioctl$KVM_CREATE_VCPU-ioctl$KVM_GET_VCPU_MMAP_SIZE-mmap$KVM_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN-ioctl$KVM_SET_MP_STATE-ioctl$KVM_RUN
program crashed: WARNING in vcpu_run
testing program (duration=35.174116215s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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$KVM_CAP_SPLIT_IRQCHIP-ioctl$KVM_CREATE_VCPU-ioctl$KVM_GET_VCPU_MMAP_SIZE-mmap$KVM_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN-ioctl$KVM_SET_MP_STATE-ioctl$KVM_RUN
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_CAP_SPLIT_IRQCHIP(r1, 0x4068aea3, &(0x7f0000000240)={0x79, 0x0, 0x2af})
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
r3 = ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, 0xae04)
mmap$KVM_VCPU(&(0x7f0000fe9000/0x3000)=nil, r3, 0x1000007, 0x13, r2, 0x0)
syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000fe5000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x41, 0x0, 0x0)
ioctl$KVM_RUN(r2, 0xae80, 0x0)
ioctl$KVM_SET_MP_STATE(r2, 0x4004ae99, &(0x7f00000001c0)=0x4)
ioctl$KVM_RUN(r2, 0xae80, 0x0)

program crashed: WARNING in vcpu_run
validation run: crashed=true
testing program (duration=35.174116215s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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$KVM_CAP_SPLIT_IRQCHIP-ioctl$KVM_CREATE_VCPU-ioctl$KVM_GET_VCPU_MMAP_SIZE-mmap$KVM_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN-ioctl$KVM_SET_MP_STATE-ioctl$KVM_RUN
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_CAP_SPLIT_IRQCHIP(r1, 0x4068aea3, &(0x7f0000000240)={0x79, 0x0, 0x2af})
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
r3 = ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, 0xae04)
mmap$KVM_VCPU(&(0x7f0000fe9000/0x3000)=nil, r3, 0x1000007, 0x13, r2, 0x0)
syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000fe5000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x41, 0x0, 0x0)
ioctl$KVM_RUN(r2, 0xae80, 0x0)
ioctl$KVM_SET_MP_STATE(r2, 0x4004ae99, &(0x7f00000001c0)=0x4)
ioctl$KVM_RUN(r2, 0xae80, 0x0)

program crashed: WARNING in vcpu_run
validation run: crashed=true
testing program (duration=35.174116215s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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$KVM_CAP_SPLIT_IRQCHIP-ioctl$KVM_CREATE_VCPU-ioctl$KVM_GET_VCPU_MMAP_SIZE-mmap$KVM_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN-ioctl$KVM_SET_MP_STATE-ioctl$KVM_RUN
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_CAP_SPLIT_IRQCHIP(r1, 0x4068aea3, &(0x7f0000000240)={0x79, 0x0, 0x2af})
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
r3 = ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, 0xae04)
mmap$KVM_VCPU(&(0x7f0000fe9000/0x3000)=nil, r3, 0x1000007, 0x13, r2, 0x0)
syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000fe5000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x41, 0x0, 0x0)
ioctl$KVM_RUN(r2, 0xae80, 0x0)
ioctl$KVM_SET_MP_STATE(r2, 0x4004ae99, &(0x7f00000001c0)=0x4)
ioctl$KVM_RUN(r2, 0xae80, 0x0)

program crashed: WARNING in vcpu_run
validation run: crashed=true
reproducing took 18m26.730574384s
repro crashed as (corrupted=false):
kvm_intel: L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details.
------------[ cut here ]------------
WARNING: CPU: 0 PID: 383 at arch/x86/kvm/x86.c:11241 vcpu_block arch/x86/kvm/x86.c:11241 [inline]
WARNING: CPU: 0 PID: 383 at arch/x86/kvm/x86.c:11241 vcpu_run+0x75e5/0x7830 arch/x86/kvm/x86.c:11285
Modules linked in:
CPU: 0 UID: 0 PID: 383 Comm: syz.2.17 Not tainted syzkaller #0 ebd888673537e6d433689cc680383d43a5383a5c
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:vcpu_block arch/x86/kvm/x86.c:11241 [inline]
RIP: 0010:vcpu_run+0x75e5/0x7830 arch/x86/kvm/x86.c:11285
Code: 03 42 0f b6 04 20 84 c0 0f 85 13 02 00 00 44 88 33 31 db 4d 89 ee e9 6e fe ff ff e8 25 a6 69 00 e9 62 fe ff ff e8 1b a6 69 00 <0f> 0b e9 56 fe ff ff e8 0f a6 69 00 48 8b 84 24 a0 00 00 00 42 80
RSP: 0018:ffffc900007ff520 EFLAGS: 00010293
RAX: ffffffff811c57c5 RBX: 00000000fffffff0 RCX: ffff88812a722600
RDX: 0000000000000000 RSI: 00000000fffffff0 RDI: 00000000fffffff0
RBP: ffffc900007ff9b0 R08: ffff88810be4e2e7 R09: 1ffff110217c9c5c
R10: dffffc0000000000 R11: ffffed10217c9c5d R12: ffff888114ff0000
R13: ffff888114ff0038 R14: dffffc0000000000 R15: ffff888114ff025c
FS:  0000555556ebd500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000115112000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 kvm_arch_vcpu_ioctl_run+0x101a/0x1aa0 arch/x86/kvm/x86.c:11607
 kvm_vcpu_ioctl+0x96f/0xee0 virt/kvm/kvm_main.c:4515
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0x132/0x1b0 fs/ioctl.c:893
 __x64_sys_ioctl+0x7f/0xa0 fs/ioctl.c:893
 x64_sys_call+0x1878/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:17
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fc5d978eec9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcb0f44568 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc5d99e5fa0 RCX: 00007fc5d978eec9
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005
RBP: 00007fc5d9811f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc5d99e5fa0 R14: 00007fc5d99e5fa0 R15: 0000000000000003
 </TASK>
---[ end trace 0000000000000000 ]---

final repro crashed as (corrupted=false):
kvm_intel: L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details.
------------[ cut here ]------------
WARNING: CPU: 0 PID: 383 at arch/x86/kvm/x86.c:11241 vcpu_block arch/x86/kvm/x86.c:11241 [inline]
WARNING: CPU: 0 PID: 383 at arch/x86/kvm/x86.c:11241 vcpu_run+0x75e5/0x7830 arch/x86/kvm/x86.c:11285
Modules linked in:
CPU: 0 UID: 0 PID: 383 Comm: syz.2.17 Not tainted syzkaller #0 ebd888673537e6d433689cc680383d43a5383a5c
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:vcpu_block arch/x86/kvm/x86.c:11241 [inline]
RIP: 0010:vcpu_run+0x75e5/0x7830 arch/x86/kvm/x86.c:11285
Code: 03 42 0f b6 04 20 84 c0 0f 85 13 02 00 00 44 88 33 31 db 4d 89 ee e9 6e fe ff ff e8 25 a6 69 00 e9 62 fe ff ff e8 1b a6 69 00 <0f> 0b e9 56 fe ff ff e8 0f a6 69 00 48 8b 84 24 a0 00 00 00 42 80
RSP: 0018:ffffc900007ff520 EFLAGS: 00010293
RAX: ffffffff811c57c5 RBX: 00000000fffffff0 RCX: ffff88812a722600
RDX: 0000000000000000 RSI: 00000000fffffff0 RDI: 00000000fffffff0
RBP: ffffc900007ff9b0 R08: ffff88810be4e2e7 R09: 1ffff110217c9c5c
R10: dffffc0000000000 R11: ffffed10217c9c5d R12: ffff888114ff0000
R13: ffff888114ff0038 R14: dffffc0000000000 R15: ffff888114ff025c
FS:  0000555556ebd500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000115112000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 kvm_arch_vcpu_ioctl_run+0x101a/0x1aa0 arch/x86/kvm/x86.c:11607
 kvm_vcpu_ioctl+0x96f/0xee0 virt/kvm/kvm_main.c:4515
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0x132/0x1b0 fs/ioctl.c:893
 __x64_sys_ioctl+0x7f/0xa0 fs/ioctl.c:893
 x64_sys_call+0x1878/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:17
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fc5d978eec9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcb0f44568 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc5d99e5fa0 RCX: 00007fc5d978eec9
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005
RBP: 00007fc5d9811f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc5d99e5fa0 R14: 00007fc5d99e5fa0 R15: 0000000000000003
 </TASK>
---[ end trace 0000000000000000 ]---