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WARNING in kvm_mmu_uninit_tdp_mmu s

Jan 9th, 2022
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  1. # {Threaded:true Repeat:true RepeatTimes:0 Procs:8 Slowdown:1 Sandbox: Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false UseTmpDir:false HandleSegv:false Repro:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}
  2. r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
  3. r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
  4. ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil})
  5. r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
  6. syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000080)=[@text64={0x40, &(0x7f0000000140)="26450f01d1470f01c5430f1c4dbb0f789600000000400f226345d9f12666460fc7b25ea40fb8362e65460f01d1b9620b00000f32c744240000010000c74424020d000000ff2c24", 0x47}], 0x1, 0x0, 0x0, 0x0)
  7. ioctl$KVM_RUN(r2, 0xae80, 0x0)
  8. ioctl$KVM_NMI(r2, 0xae9a)
  9. ioctl$KVM_SET_MSRS(0xffffffffffffffff, 0x4008ae89, &(0x7f00000000c0)=ANY=[@ANYBLOB="0200000000000000530a000000000000014cb864d8981b9578090000000000000100000000000000"])
  10. ioctl$KVM_RUN(r2, 0xae80, 0x0)
  11. ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, 0x0)
  12. syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000080)=[@text64={0x40, &(0x7f0000000140)="26450f01d1470f01c5430f1c4dbb0f789600000000400f226345d9f12666460fc7b25ea40fb8362e65460f01d1b9620b00000f32c744240000010000c74424020d000000ff2c24", 0x47}], 0x1, 0x0, 0x0, 0x0) (async)
  13. ioctl$KVM_RUN(r2, 0xae80, 0x0)
  14. ioctl$KVM_SET_MSRS(0xffffffffffffffff, 0x4008ae89, &(0x7f00000000c0)=ANY=[@ANYBLOB="0200000000000000530a000000000000014cb864d8981b9578090000000000000100000000000000"])
  15. ioctl$KVM_RUN(r2, 0xae80, 0x0)
  16.  
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