Re: [PATCH 1/3] authz-list-file: Fix crash when filename is not set

[Li Qiang <liq3ea@gmail.com>]

Eduardo Habkost <ehabkost@redhat.com> 于2020年10月9日周五 上午4:28写道：
>
> Fix the following crash:
>
>   $ qemu-system-x86_64 -object authz-list-file,id=obj0
>   qemu-system-x86_64: -object authz-list-file,id=obj0: GLib: g_file_get_contents: assertion 'filename != NULL' failed
>   Segmentation fault (core dumped)
>
> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>

Reviewed-by: Li Qiang <liq3ea@gmail.com>

> ---
> Cc: "Daniel P. Berrangé" <berrange@redhat.com>
> Cc: qemu-devel@nongnu.org
> ---
>  authz/listfile.c | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/authz/listfile.c b/authz/listfile.c
> index cd6163aa40..aaf930453d 100644
> --- a/authz/listfile.c
> +++ b/authz/listfile.c
> @@ -122,6 +122,11 @@ qauthz_list_file_complete(UserCreatable *uc, Error **errp)
>      QAuthZListFile *fauthz = QAUTHZ_LIST_FILE(uc);
>      gchar *dir = NULL, *file = NULL;
>
> +    if (!fauthz->filename) {
> +        error_setg(errp, "filename not provided");
> +        return;
> +    }
> +
>      fauthz->list = qauthz_list_file_load(fauthz, errp);
>
>      if (!fauthz->refresh) {
> --
> 2.26.2
>
>