Changeset 83291 in vbox

Timestamp:

Mar 13, 2020 4:56:34 PM (5 years ago)

Author:

vboxsync

Message:

Runtime/common/fuzz: Fixes

File:

• trunk/src/VBox/Runtime/common/fuzz/fuzz.cpp (modified) (1 diff)

trunk/src/VBox/Runtime/common/fuzz/fuzz.cpp

@@ -2079 +2079 @@
         {
             uint64_t offMax = pMutationParent->cbInput - 1;
-            if (   pMutation->cbMutNew != UINT64_MAX
-                && pMutation->offMutStartNew + pMutation->cbMutNew < offMax)
-                offMax = pMutation->offMutStartNew + pMutation->cbMutNew - 1;
-
-            offStart = RTRandAdvU64Ex(pThis->hRand, pMutation->offMutStartNew, offMax);
+            if (   pMutationParent->cbMutNew != UINT64_MAX
+                && pMutationParent->offMutStartNew + pMutationParent->cbMutNew < offMax)
+                offMax = pMutationParent->offMutStartNew + pMutationParent->cbMutNew - 1;
+
+            offMax = RT_MAX(pMutationParent->offMutStartNew, offMax);
+            offStart = RTRandAdvU64Ex(pThis->hRand, pMutationParent->offMutStartNew, offMax);
         }
         else