executor: pkg/vminfo: sys/linux: define syz_kvm_vgic_v3_setup

The new pseudo-syscall sets up VGICv3 IRQ controller on the host.
That still requires guest setup code, which will be submitted separately.

1 files changed, 8 insertions, 0 deletions

diff --git a/pkg/vminfo/linux_syscalls.go b/pkg/vminfo/linux_syscalls.go
index 3f675c6a9..2b02ad7f9 100644
--- a/pkg/vminfo/linux_syscalls.go
+++ b/pkg/vminfo/linux_syscalls.go
@@ -80,6 +80,7 @@ var linuxSyscallChecks = map[string]func(*checkContext, *prog.Syscall) string{
 	"syz_usb_ep_write":            linuxCheckUSBEmulation,
 	"syz_usb_ep_read":             linuxCheckUSBEmulation,
 	"syz_kvm_setup_cpu":           linuxSyzKvmSetupCPUSupported,
+	"syz_kvm_vgic_v3_setup":       linuxSyzKvmVgicV3SetupSupported,
 	"syz_emit_vhci":               linuxVhciInjectionSupported,
 	"syz_init_net_socket":         linuxSyzInitNetSocketSupported,
 	"syz_genetlink_get_family_id": linuxSyzGenetlinkGetFamilyIDSupported,
@@ -184,6 +185,13 @@ func linuxSyzKvmSetupCPUSupported(ctx *checkContext, call *prog.Syscall) string
 	return "unsupported arch"
 }
 
+func linuxSyzKvmVgicV3SetupSupported(ctx *checkContext, call *prog.Syscall) string {
+	if ctx.target.Arch == targets.ARM64 {
+		return ""
+	}
+	return "unsupported arch"
+}
+
 func linuxSupportedMount(ctx *checkContext, call *prog.Syscall) string {
 	return linuxSupportedFilesystem(ctx, call, 2)
 }