Changeset 103066 in vbox for trunk/src/VBox/Runtime/common

Timestamp:

Jan 25, 2024 3:03:18 PM (12 months ago)

Author:

vboxsync

Message:

iprt: Prevent array-index-out-of-bounds UBSAN warnings on Linux, bugref:10585.

File:

• trunk/src/VBox/Runtime/common/log/log.cpp (modified) (4 diffs)

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

@@ -549 +549 @@
         uint16_t const iGroup = RT_HI_U16(fFlagsAndGroup);
         if (   iGroup != UINT16_MAX
-            && (   (pLoggerInt->afGroups[iGroup < pLoggerInt->cGroups ? iGroup : 0] & (fFlags | RTLOGGRPFLAGS_ENABLED))
+            && (   (*(pLoggerInt->afGroups + (iGroup < pLoggerInt->cGroups ? iGroup : 0)) & (fFlags | RTLOGGRPFLAGS_ENABLED))
                 != (fFlags | RTLOGGRPFLAGS_ENABLED)))
             pLoggerInt = NULL;
@@ -1556 +1556 @@
     iGroup = pLoggerInt->cGroups;
     while (iGroup-- > 0)
-        pLoggerInt->afGroups[iGroup] = 0;
+        *(pLoggerInt->afGroups + iGroup) = 0;
 
     /*
@@ -1789 +1789 @@
             {
                 if (fEnabled)
-                    pLoggerInt->afGroups[i] |= fFlags;
+                    *(pLoggerInt->afGroups + i) |= fFlags;
                 else
-                    pLoggerInt->afGroups[i] &= ~fFlags;
+                    *(pLoggerInt->afGroups + i) &= ~fFlags;
             }
         }
@@ -4159 +4159 @@
         return VINF_LOG_DISABLED;
     if (    iGroup != ~0U
-        &&  (pLoggerInt->afGroups[iGroup] & (fFlags | RTLOGGRPFLAGS_ENABLED)) != (fFlags | RTLOGGRPFLAGS_ENABLED))
+        &&  (*(pLoggerInt->afGroups + iGroup) & (fFlags | RTLOGGRPFLAGS_ENABLED)) != (fFlags | RTLOGGRPFLAGS_ENABLED))
         return VINF_LOG_DISABLED;