diff options
Diffstat (limited to 'lib/libvmmapi/vmmapi.c')
| -rw-r--r-- | lib/libvmmapi/vmmapi.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/lib/libvmmapi/vmmapi.c b/lib/libvmmapi/vmmapi.c index fb8eb78..33a3b44 100644 --- a/lib/libvmmapi/vmmapi.c +++ b/lib/libvmmapi/vmmapi.c @@ -427,13 +427,18 @@ vm_map_gpa(struct vmctx *ctx, vm_paddr_t gaddr, size_t len) { if (ctx->lowmem > 0) { - if (gaddr < ctx->lowmem && gaddr + len <= ctx->lowmem) + if (gaddr < ctx->lowmem && len <= ctx->lowmem && + gaddr + len <= ctx->lowmem) return (ctx->baseaddr + gaddr); } if (ctx->highmem > 0) { - if (gaddr >= 4*GB && gaddr + len <= 4*GB + ctx->highmem) - return (ctx->baseaddr + gaddr); + if (gaddr >= 4*GB) { + if (gaddr < 4*GB + ctx->highmem && + len <= ctx->highmem && + gaddr + len <= 4*GB + ctx->highmem) + return (ctx->baseaddr + gaddr); + } } return (NULL); |
