This fix is required for 32 bit hosts. The bug was detected by CI
for arm-linux, but is also relevant for i386-linux.

Reported-by: Stefan Hajnoczi <stefanha@gmail.com>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
---
 subprojects/libvhost-user/libvhost-user.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/subprojects/libvhost-user/libvhost-user.c b/subprojects/libvhost-user/libvhost-user.c
index d67953a1c3..80f9952e71 100644
--- a/subprojects/libvhost-user/libvhost-user.c
+++ b/subprojects/libvhost-user/libvhost-user.c
@@ -651,7 +651,8 @@ generate_faults(VuDev *dev) {
 
         if (ioctl(dev->postcopy_ufd, UFFDIO_REGISTER, &reg_struct)) {
             vu_panic(dev, "%s: Failed to userfault region %d "
-                          "@%" PRIx64 " + size:%zx offset: %zx: (ufd=%d)%s\n",
+                          "@%" PRIx64 " + size:%" PRIx64 " offset: %" PRIx64
+                          ": (ufd=%d)%s\n",
                      __func__, i,
                      dev_region->mmap_addr,
                      dev_region->size, dev_region->mmap_offset,
-- 
2.35.1

On Sat, 26 Nov 2022 at 10:25, Stefan Weil <sw@weilnetz.de> wrote:
>
> This fix is required for 32 bit hosts. The bug was detected by CI
> for arm-linux, but is also relevant for i386-linux.
>
> Reported-by: Stefan Hajnoczi <stefanha@gmail.com>
> Signed-off-by: Stefan Weil <sw@weilnetz.de>
> ---
>  subprojects/libvhost-user/libvhost-user.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

>
> diff --git a/subprojects/libvhost-user/libvhost-user.c b/subprojects/libvhost-user/libvhost-user.c
> index d67953a1c3..80f9952e71 100644
> --- a/subprojects/libvhost-user/libvhost-user.c
> +++ b/subprojects/libvhost-user/libvhost-user.c
> @@ -651,7 +651,8 @@ generate_faults(VuDev *dev) {
>
>          if (ioctl(dev->postcopy_ufd, UFFDIO_REGISTER, &reg_struct)) {
>              vu_panic(dev, "%s: Failed to userfault region %d "
> -                          "@%" PRIx64 " + size:%zx offset: %zx: (ufd=%d)%s\n",
> +                          "@%" PRIx64 " + size:%" PRIx64 " offset: %" PRIx64
> +                          ": (ufd=%d)%s\n",
>                       __func__, i,
>                       dev_region->mmap_addr,
>                       dev_region->size, dev_region->mmap_offset,
> --
> 2.35.1
>