diff options
| author | Marios Pomonis <pomonis@google.com> | 2025-01-14 02:42:26 -0800 |
|---|---|---|
| committer | Alexander Potapenko <glider@google.com> | 2025-01-16 13:14:31 +0000 |
| commit | f9e07a6e597b68d3397864e6ee4550f9065c3518 (patch) | |
| tree | fbdd169276a01eb315e5edd7fefd68651d7b1f1d | |
| parent | 48927350763d1ac804e4d4021f8bd0c18a96d853 (diff) | |
sys/linux/test: add seeds that exercise WFI[T]
Add sys/linux/test/arm64-syz_kvm_setup_syzos_vm-wfi and
sys/linux/test/arm64-syz_kvm_setup_syzos_vm-wfit, two seeds that
exercise the WFxT path in KVM.
| -rw-r--r-- | sys/linux/test/arm64-syz_kvm_setup_syzos_vm-wfi | 17 | ||||
| -rw-r--r-- | sys/linux/test/arm64-syz_kvm_setup_syzos_vm-wfit | 25 |
2 files changed, 42 insertions, 0 deletions
diff --git a/sys/linux/test/arm64-syz_kvm_setup_syzos_vm-wfi b/sys/linux/test/arm64-syz_kvm_setup_syzos_vm-wfi new file mode 100644 index 000000000..7e1a76cfb --- /dev/null +++ b/sys/linux/test/arm64-syz_kvm_setup_syzos_vm-wfi @@ -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 wfi. +# +r3 = syz_kvm_add_vcpu(r2, &AUTO={0x0, &AUTO=[@code={AUTO, AUTO, {"7f2003d5", 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$KVM_RUN(r3, AUTO, 0x0) +syz_kvm_assert_syzos_uexit(r5, 0x0) diff --git a/sys/linux/test/arm64-syz_kvm_setup_syzos_vm-wfit b/sys/linux/test/arm64-syz_kvm_setup_syzos_vm-wfit new file mode 100644 index 000000000..b2b56d9b7 --- /dev/null +++ b/sys/linux/test/arm64-syz_kvm_setup_syzos_vm-wfit @@ -0,0 +1,25 @@ +# +# requires: arch=arm64 -threaded +# +r0 = openat$kvm(0, &AUTO='/dev/kvm\x00', 0x0, 0x0) +r1 = ioctl$KVM_CREATE_VM(r0, AUTO, 0x0) +r2 = syz_kvm_setup_syzos_vm(r1, &(0x7f0000c00000/0x400000)=nil) +# Perform a WFIT (wfit x0). +# +r3 = syz_kvm_add_vcpu(r2, &AUTO={0x0, &AUTO=[@code={AUTO, AUTO, {"201003d5", 0xd65f03c0}}], AUTO}, 0x0, 0x0) + +r4 = ioctl$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) |