Changeset 93031 in vbox

Timestamp:

Dec 20, 2021 10:47:12 AM (3 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

149030

Message:

include/VBox/sup.h: Don't crash in SUPReadTsc() when the GIP is not available (driverless mode), bugref:10138

File:

• trunk/include/VBox/sup.h (modified) (1 diff)

trunk/include/VBox/sup.h

@@ -780 +780 @@
 {
     PSUPGLOBALINFOPAGE pGip = g_pSUPGlobalInfoPage;
-    if (pGip->enmUseTscDelta <= SUPGIPUSETSCDELTA_ROUGHLY_ZERO)
+    if (!pGip || pGip->enmUseTscDelta <= SUPGIPUSETSCDELTA_ROUGHLY_ZERO)
         return ASMReadTSC();
     return SUPReadTscWithDelta(pGip);