diff options
Diffstat (limited to 'lib/libvmmapi/vmmapi.c')
| -rw-r--r-- | lib/libvmmapi/vmmapi.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/libvmmapi/vmmapi.c b/lib/libvmmapi/vmmapi.c index 93955c7..55a3c5e 100644 --- a/lib/libvmmapi/vmmapi.c +++ b/lib/libvmmapi/vmmapi.c @@ -263,12 +263,14 @@ vm_map_gpa(struct vmctx *ctx, vm_paddr_t gaddr, size_t len) /* XXX VM_MMAP_SPARSE not implemented yet */ assert(ctx->vms == VM_MMAP_ALL); - if (gaddr < ctx->lowmem && gaddr + len <= ctx->lowmem) + if (gaddr < ctx->lowmem && len <= ctx->lowmem && + gaddr + len <= ctx->lowmem) return ((void *)(ctx->lowmem_addr + gaddr)); if (gaddr >= 4*GB) { gaddr -= 4*GB; - if (gaddr < ctx->highmem && gaddr + len <= ctx->highmem) + if (gaddr < ctx->highmem && len <= ctx->highmem && + gaddr + len <= ctx->highmem) return ((void *)(ctx->highmem_addr + gaddr)); } |
