[Virtio-fs] [PATCH] Virtiofsd: fix segfault when quit before dev init
Dr. David Alan Gilbert
dgilbert at redhat.com
Mon Aug 5 11:18:01 UTC 2019
* Liu Bo (bo.liu at linux.alibaba.com) wrote:
> From: Eric Ren <renzhen at linux.alibaba.com>
>
> The daemon may bail out early on errors(e.g. in fuse_session_mount), where
> it ends up a segfault error.
>
> Signed-off-by: Eric Ren <renzhen at linux.alibaba.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert at redhat.com>
Thanks, added to my world
> ---
> contrib/virtiofsd/fuse_virtio.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/contrib/virtiofsd/fuse_virtio.c b/contrib/virtiofsd/fuse_virtio.c
> index aa94b66..6292e87 100644
> --- a/contrib/virtiofsd/fuse_virtio.c
> +++ b/contrib/virtiofsd/fuse_virtio.c
> @@ -891,6 +891,10 @@ int virtio_session_mount(struct fuse_session *se)
> void virtio_session_close(struct fuse_session *se)
> {
> close(se->vu_socketfd);
> +
> + if (!se->virtio_dev)
> + return;
> +
> free(se->virtio_dev->qi);
> free(se->virtio_dev);
> se->virtio_dev = NULL;
> --
> 1.8.3.1
>
> _______________________________________________
> Virtio-fs mailing list
> Virtio-fs at redhat.com
> https://www.redhat.com/mailman/listinfo/virtio-fs
--
Dr. David Alan Gilbert / dgilbert at redhat.com / Manchester, UK
More information about the Virtio-fs
mailing list