From 4cb01fb07201474a77f03a86420f116faec956c3 Mon Sep 17 00:00:00 2001 From: Alexander Potapenko Date: Thu, 21 Nov 2024 16:39:45 +0100 Subject: sys/linux/test: add a test for SYZOS_API_ITS_SEND_CMD --- .../arm64-syz_kvm_setup_syzos_vm-vgicv3-its-cmd | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 sys/linux/test/arm64-syz_kvm_setup_syzos_vm-vgicv3-its-cmd (limited to 'sys/linux') diff --git a/sys/linux/test/arm64-syz_kvm_setup_syzos_vm-vgicv3-its-cmd b/sys/linux/test/arm64-syz_kvm_setup_syzos_vm-vgicv3-its-cmd new file mode 100644 index 000000000..f7678b2dd --- /dev/null +++ b/sys/linux/test/arm64-syz_kvm_setup_syzos_vm-vgicv3-its-cmd @@ -0,0 +1,32 @@ +# +# requires: arch=arm64 +# +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) +# +# Install a SYZOS program that sets up the IRQ and ITS, and then injects an LPI 0x0 from device 0x0. +# +r3 = syz_kvm_add_vcpu(r2, &AUTO={0x0, &AUTO=[@irq_setup={AUTO, AUTO, {0x1, 0x20}}, @its_setup={AUTO, AUTO, {0x1, 0x1, 0x1}}, @its_send_cmd={AUTO, AUTO, {0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}], AUTO}, 0x0, 0x0) +syz_kvm_vgic_v3_setup(r1, 0x1, 0x100) +# +# Set up ITS device with redistributor at address 0x08080000 (declared at executor/kvm.h): +# 1. Create KVM_DEV_TYPE_ARM_VGIC_ITS. +# +ioctl$KVM_CREATE_DEVICE(r1, AUTO, &AUTO={0x8, 0xffffffffffffffff, 0x0}) +# +# 2. Set device attribute {KVM_DEV_ARM_VGIC_GRP_ADDR, KVM_VGIC_ITS_ADDR_TYPE, &addr=0x08080000}. +# +ioctl$KVM_SET_DEVICE_ATTR(r4, AUTO, &AUTO=@attr_arm64={0x0, 0x0, 0x4, &AUTO=0x08080000}) +# +# 3. Set device attribute {KVM_DEV_ARM_VGIC_GRP_CTRL, KVM_DEV_ARM_VGIC_CTRL_INIT, 0}. +# +ioctl$KVM_SET_DEVICE_ATTR(r4, AUTO, &AUTO=@attr_arm64={0x0, 0x4, 0x0, 0x0}) +# +# This KVM_RUN will stop after receiving the LPI. +# +ioctl$KVM_RUN(r3, AUTO, 0x0) +# +# This KVM_RUN will stop after finishing the user program. +# +ioctl$KVM_RUN(r3, AUTO, 0x0) -- cgit mrf-deployment