From e727bcb7ce726e5f738d264cf99a386a7ff934d7 Mon Sep 17 00:00:00 2001 From: Alexander Potapenko Date: Thu, 8 Aug 2024 17:21:26 +0200 Subject: sys/linux: add a test for VGICv3 --- sys/linux/test/syz_kvm_setup_cpu_arm64-vgicv3 | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 sys/linux/test/syz_kvm_setup_cpu_arm64-vgicv3 (limited to 'sys/linux') diff --git a/sys/linux/test/syz_kvm_setup_cpu_arm64-vgicv3 b/sys/linux/test/syz_kvm_setup_cpu_arm64-vgicv3 new file mode 100644 index 000000000..70ba707c3 --- /dev/null +++ b/sys/linux/test/syz_kvm_setup_cpu_arm64-vgicv3 @@ -0,0 +1,18 @@ +# +# requires: arch=arm64 +# +r0 = openat$kvm(0, &AUTO='/dev/kvm\x00', 0x0, 0x0) +r1 = ioctl$KVM_CREATE_VM(r0, AUTO, 0x0) +r2 = ioctl$KVM_CREATE_VCPU(r1, AUTO, 0x0) +# +# syz_kvm_setup_cpu$arm64(r1, r2, &(0x7f0000e8a000/0x18000), &AUTO=[{0x0, &AUTO=[@code={AUTO, AUTO, {"1f2003d5", 0xd65f03c0}}], AUTO}], 0x1, 0x0, 0x0, 0x0) +# +syz_kvm_setup_cpu$arm64(r1, r2, &(0x7f0000e8a000/0x18000), &AUTO=[{0x0, &AUTO=[@irq_setup={AUTO, AUTO, {0x1, 0x20}}], AUTO}], 0x1, 0x0, 0x0, 0x0) +syz_kvm_vgic_v3_setup(r1, 0x1, 0x100) +ioctl$KVM_RUN(r2, AUTO, 0x0) +# +# Calling KVM_RUN here again would result in infinite loop. +# Instead, signal SPI 32 (0x1000020), so that the guest can execute another uexit in the IRQ handler. +# +ioctl$KVM_IRQ_LINE(r1, AUTO, &AUTO={0x1000020, 0x1}) +ioctl$KVM_RUN(r2, AUTO, 0x0) -- cgit mrf-deployment