Signed-off-by: Raphael Norwitz <raphael.norw...@nutanix.com>
---
subprojects/libvhost-user/libvhost-user.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/subprojects/libvhost-user/libvhost-user.c
b/subprojects/libvhost-user/libvhost-user.c
index 787f4d2d4f..573212a83b 100644
--- a/subprojects/libvhost-user/libvhost-user.c
+++ b/subprojects/libvhost-user/libvhost-user.c
@@ -801,6 +801,12 @@ vu_rem_mem_reg(VuDev *dev, VhostUserMsg *vmsg) {
VuDevRegion shadow_regions[VHOST_USER_MAX_RAM_SLOTS] = {};
VhostUserMemoryRegion m = vmsg->payload.memreg.region, *msg_region = &m;
+ if (vmsg->fd_num != 1 ||
+ vmsg->size != sizeof(vmsg->payload.memreg)) {
+ vu_panic(dev, "VHOST_USER_REM_MEM_REG received multiple regions");
+ return true;
+ }
+
DPRINT("Removing region:\n");
DPRINT(" guest_phys_addr: 0x%016"PRIx64"\n",
msg_region->guest_phys_addr);
--
2.20.1
