Truncate the target size to be at most ram size.
Signed-off-by: Marcelo Tosatti <[EMAIL PROTECTED]>
Index: kvm-userspace.balloon/qemu/hw/virtio-balloon.c
===================================================================
--- kvm-userspace.balloon.orig/qemu/hw/virtio-balloon.c
+++ kvm-userspace.balloon/qemu/hw/virtio-balloon.c
@@ -16,6 +16,7 @@
#include "pc.h"
#include "balloon.h"
#include "sysemu.h"
+#include "console.h"
#include <sys/mman.h>
@@ -115,6 +116,10 @@ static ram_addr_t virtio_balloon_to_targ
VirtIOBalloon *dev = opaque;
if (target) {
+ if (target > ram_size) {
+ term_printf("target larger than ram size, truncating\n");
+ target = ram_size;
+ }
dev->num_pages = (ram_size - target) >> TARGET_PAGE_BITS;
virtio_notify_config(&dev->vdev);
}
--
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