8012617: ArrayIndexOutOfBoundsException with some fonts using LineBreakMeasurer

Reviewed-by: bae, srl

1 files changed, 4 insertions, 0 deletions

diff --git a/src/share/native/sun/font/layout/MultipleSubstSubtables.cpp b/src/share/native/sun/font/layout/MultipleSubstSubtables.cpp
index 9d72ca8a1..af94e623b 100644
--- a/src/share/native/sun/font/layout/MultipleSubstSubtables.cpp
+++ b/src/share/native/sun/font/layout/MultipleSubstSubtables.cpp
@@ -61,6 +61,10 @@ le_uint32 MultipleSubstitutionSubtable::process(const LETableReference &base, Gl
     le_int32 coverageIndex = getGlyphCoverage(base, glyph, success);
     le_uint16 seqCount = SWAPW(sequenceCount);
 
+    if (LE_FAILURE(success)) {
+        return 0;
+    }
+
     if (coverageIndex >= 0 && coverageIndex < seqCount) {
         Offset sequenceTableOffset = SWAPW(sequenceTableOffsetArray[coverageIndex]);
         const SequenceTable *sequenceTable = (const SequenceTable *) ((char *) this + sequenceTableOffset);