[libvirt PATCH] qemu: virtiofs: check whether the supplied binary exists

Report an error upfront if the binary does not exist or is not executable. https://bugzilla.redhat.com/show_bug.cgi?id=1999372 Signed-off-by: Ján Tomko <jtomko(a)redhat.com&gt; --- src/qemu/qemu_virtiofs.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/src/qemu/qemu_virtiofs.c b/src/qemu/qemu_virtiofs.c index 1b853a5a59..7e3324b017 100644 --- a/src/qemu/qemu_virtiofs.c +++ b/src/qemu/qemu_virtiofs.c @@ -184,6 +184,13 @@ qemuVirtioFSStart(virQEMUDriver *driver, VIR_AUTOCLOSE logfd = -1; int rc; + if (!virFileIsExecutable(fs->binary)) { + virReportError(VIR_ERR_INTERNAL_ERROR, + _("virtiofsd binary '%s' is not executable"), + fs->binary); + return -1; + } + if (!virFileExists(fs->src->path)) { virReportError(VIR_ERR_INTERNAL_ERROR, _("the virtiofs export directory '%s' does not exist"), -- 2.31.1