diff options
Diffstat (limited to 'lib/libvfio-user.c')
| -rw-r--r-- | lib/libvfio-user.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/libvfio-user.c b/lib/libvfio-user.c index 94a3419..9014c40 100644 --- a/lib/libvfio-user.c +++ b/lib/libvfio-user.c @@ -275,8 +275,7 @@ is_valid_region_access(vfu_ctx_t *vfu_ctx, size_t size, uint16_t cmd, return false; } - // FIXME: need to audit later for wraparound - if (ra->offset + ra->count > vfu_ctx->reg_info[index].size) { + if (satadd_u64(ra->offset, ra->count) > vfu_ctx->reg_info[index].size) { vfu_log(vfu_ctx, LOG_ERR, "out of bounds region access %#lx-%#lx " "(size %u)", ra->offset, ra->offset + ra->count, vfu_ctx->reg_info[index].size); |