diff options
| author | Marios Pomonis <pomonis@google.com> | 2025-05-05 02:51:27 -0700 |
|---|---|---|
| committer | Alexander Potapenko <glider@google.com> | 2025-05-19 09:47:30 +0000 |
| commit | 54fb386c8845f5f2385e0f910c12fc4febdeef38 (patch) | |
| tree | 234c9e207044057338f33b66f956aef4653aded4 /sys/linux/test | |
| parent | 27f689959decd391b047c8034d481267d500549e (diff) | |
executor/kvm: add SYZOS support for CPUID
This commit adds support for CPUID instructions on AMD64. It also adds a
relevant test.
Diffstat (limited to 'sys/linux/test')
| -rw-r--r-- | sys/linux/test/amd64-syz_kvm_setup_syzos_vm-cpuid | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/sys/linux/test/amd64-syz_kvm_setup_syzos_vm-cpuid b/sys/linux/test/amd64-syz_kvm_setup_syzos_vm-cpuid new file mode 100644 index 000000000..34468c8cd --- /dev/null +++ b/sys/linux/test/amd64-syz_kvm_setup_syzos_vm-cpuid @@ -0,0 +1,17 @@ +# +# requires: arch=amd64 -threaded +# +r0 = openat$kvm(0, &AUTO='/dev/kvm\x00', 0x0, 0x0) +r1 = ioctl$KVM_CREATE_VM(r0, AUTO, 0x0) +r2 = syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil) +# +# 0x2 queries Cache and TLB information +# +r3 = syz_kvm_add_vcpu$x86(r2, &AUTO={0x0, &AUTO=[@cpuid={AUTO, AUTO, {0x1, 0x0}}], AUTO}) +r4 = ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, AUTO) +r5 = mmap$KVM_VCPU(&(0x7f0000009000/0x1000)=nil, r4, 0x3, 0x1, r3, 0x0) + +# Run till the end of guest_main(). 0xffffffffffffffff is UEXIT_END. +# +ioctl$KVM_RUN(r3, AUTO, 0x0) +syz_kvm_assert_syzos_uexit$x86(r5, 0xffffffffffffffff) |