Re: [Xen-devel] [Qemu-devel] [PATCH v3 0/4] QEMU changes to do PVH boot

[Stefan Hajnoczi <stefanha@xxxxxxxxx>]

On Mon, Jan 21, 2019 at 08:19:03AM +0000, Liam Merwick wrote:
> On 21/01/2019 02:31, no-reply@xxxxxxxxxxx wrote:
> > Patchew URL: 
> > https://patchew.org/QEMU/1547554687-12687-1-git-send-email-liam.merwick@xxxxxxxxxx/
> ...>
> >    CC      dma-helpers.o
> >    CC      vl.o
> > /tmp/qemu-test/src/block/sheepdog.c: In function 'find_vdi_name':
> > /tmp/qemu-test/src/block/sheepdog.c:1239:5: error: 'strncpy' specified 
> > bound 256 equals destination size [-Werror=stringop-truncation]
> >       strncpy(buf + SD_MAX_VDI_LEN, tag, SD_MAX_VDI_TAG_LEN);
> >       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > cc1: all warnings being treated as errors
> > 
> 
> 
> Given the PVH patch series was posted 5 days ago and the following change
> was committed 3 days ago, I'm assuming this is not related to the PVH
> changes (which do not touch this file).
> 
> commit 97b583f46c435aaa40942ca73739d79190776b7f
> Author: Philippe Mathieu-Daudé <philmd@xxxxxxxxxx>
> Date:   Thu Jan 3 09:56:35 2019 +0100
> 
>     block/sheepdog: Use QEMU_NONSTRING for non NUL-terminated arrays

Yes, don't worry, it's a false positive.

Stefan

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