diff options
| author | Marios Pomonis <pomonis@google.com> | 2025-01-28 10:11:00 -0800 |
|---|---|---|
| committer | Alexander Potapenko <glider@google.com> | 2025-01-29 10:35:26 +0000 |
| commit | 08fa85537e8a8061e232de5e22b52e8304ec0ce9 (patch) | |
| tree | cf2591637687c105fa93d975b33ab8a7db4e65f7 /sys/linux | |
| parent | d03b0c97faf4610981228dd69f6f9a94ab9f693b (diff) | |
sys/linux/test: add seeds that exercise WFE[T]
Add sys/linux/test/arm64-syz_kvm_setup_syzos_vm-wfe and
sys/linux/test/arm64-syz_kvm_setup_syzos_vm-wfet, two seeds that exercise the
WFxT path in KVM.
Diffstat (limited to 'sys/linux')
| -rw-r--r-- | sys/linux/test/arm64-syz_kvm_setup_syzos_vm-wfe | 17 | ||||
| -rw-r--r-- | sys/linux/test/arm64-syz_kvm_setup_syzos_vm-wfet | 25 |
2 files changed, 42 insertions, 0 deletions
diff --git a/sys/linux/test/arm64-syz_kvm_setup_syzos_vm-wfe b/sys/linux/test/arm64-syz_kvm_setup_syzos_vm-wfe new file mode 100644 index 000000000..4cedfd16f --- /dev/null +++ b/sys/linux/test/arm64-syz_kvm_setup_syzos_vm-wfe @@ -0,0 +1,17 @@ +# +# requires: arch=arm64 -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(r1, &(0x7f0000c00000/0x400000)=nil) +# Perform wfe. +# +r3 = syz_kvm_add_vcpu(r2, &AUTO={0x0, &AUTO=[@code={AUTO, AUTO, {"5f2003d5", 0xd65f03c0}}], AUTO}, 0x0, 0x0) + +r4 = ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, AUTO) +r5 = mmap$KVM_VCPU(&(0x7f0000009000/0x1000)=nil, r4, 0x3, 0x1, r3, 0x0) + +# Run till the first uexit. +# +ioctl$KVM_RUN(r3, AUTO, 0x0) +syz_kvm_assert_syzos_uexit(r5, 0x0) diff --git a/sys/linux/test/arm64-syz_kvm_setup_syzos_vm-wfet b/sys/linux/test/arm64-syz_kvm_setup_syzos_vm-wfet new file mode 100644 index 000000000..12c90b89f --- /dev/null +++ b/sys/linux/test/arm64-syz_kvm_setup_syzos_vm-wfet @@ -0,0 +1,25 @@ +# +# requires: arch=arm64 -threaded +# +r0 = openat$kvm(0, &AUTO='/dev/kvm\x00', 0x0, 0x0) +r1 = ioctl$KVM_CREATE_VM(r0, AUTO, 0x0) +r2 = syz_kvm_setup_syzos_vm(r1, &(0x7f0000c00000/0x400000)=nil) +# Perform a WFET (wfet x0). +# +r3 = syz_kvm_add_vcpu(r2, &AUTO={0x0, &AUTO=[@code={AUTO, AUTO, {"001003d5", 0xd65f03c0}}], AUTO}, 0x0, 0x0) + +r4 = ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, AUTO) +r5 = mmap$KVM_VCPU(&(0x7f0000009000/0x1000)=nil, r4, 0x3, 0x1, r3, 0x0) + +# Run till the first uexit. +# +ioctl$KVM_RUN(r3, AUTO, 0x0) +syz_kvm_assert_syzos_uexit(r5, 0x0) +# Run till the second uexit. +# +ioctl$KVM_RUN(r3, AUTO, 0x0) +syz_kvm_assert_syzos_uexit(r5, 0xaaaa) +# Run till the end of guest_main(). 0xffffffffffffffff is UEXIT_END. +# +ioctl$KVM_RUN(r3, AUTO, 0x0) +syz_kvm_assert_syzos_uexit(r5, 0xffffffffffffffff) |