Re: [PATCH] qemu: Avoid crash in qemuDomainCheckCPU with unknown host CPU

When we don't have any information about host CPU (for example when running on an aarch64 host), the virQEMUCapsGetHostModel would return NULL.

Fixes: https://gitlab.com/libvirt/libvirt/-/issues/747 Signed-off-by: Jiri Denemark <jdenemar(a)redhat.com&gt; --- src/qemu/qemu_domain.c | 1 + 1 file changed, 1 insertion(+) diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c index cf05dca55a..df1ed0223d 100644 --- a/src/qemu/qemu_domain.c +++ b/src/qemu/qemu_domain.c @@ -11430,6 +11430,7 @@ qemuDomainCheckCPU(virArch arch, /* Force compat check if the CPU model is not found in qemuCaps or * we don't have host CPU data from QEMU */ if (!cpu->model || + !hypervisorCPU || hypervisorCPU->fallback != VIR_CPU_FALLBACK_FORBID || virQEMUCapsGetCPUBlockers(qemuCaps, virtType, cpu->model, &blockers) < 0) -- 2.48.1