Changeset 86403 in vbox for trunk/src/VBox/VMM/testcase

Timestamp:

Oct 1, 2020 8:36:46 PM (5 years ago)

Author:

vboxsync

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

140699

Message:

tstVMMR0CallHost-1: sanitizer tweak. bugref:9841

File:

• trunk/src/VBox/VMM/testcase/tstVMMR0CallHost-1.cpp (modified) (1 diff)

trunk/src/VBox/VMM/testcase/tstVMMR0CallHost-1.cpp

@@ -141 +141 @@
         {
             /* Note! gcc does funny rounding up of alloca(). */
+# ifndef VBOX_WITH_GCC_SANITIZER
             void  *pv2 = alloca((i % 63) | 1);
             size_t cb2 = (uintptr_t)pvPrev - (uintptr_t)pv2;
+# else
+            size_t cb2 = ((i % 3) + 1) * 16; /* We get what we ask for here, and it's not at RSP/ESP due to guards. */
+            void  *pv2 = alloca(cb2);
+# endif
             RTTESTI_CHECK_MSG(cb2 >= 16 && cb2 <= 128, ("cb2=%zu pv2=%p pvPrev=%p iAlloca=%d\n", cb2, pv2, pvPrev, iItr));
             memset(pv2, 0xff, cb2);