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-rw-r--r--core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp8
1 files changed, 6 insertions, 2 deletions
diff --git a/core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp b/core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp
index bad2fc4bce..e9bb9c62e0 100644
--- a/core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp
+++ b/core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp
@@ -27,8 +27,12 @@ CJBig2_SymbolDict *CJBig2_SymbolDict::DeepCopy()
dst->SDEXSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(
sizeof(CJBig2_Image*), src->SDNUMEXSYMS);
for(FX_DWORD i = 0; i < src->SDNUMEXSYMS; i++) {
- JBIG2_ALLOC(dst->SDEXSYMS[i],
- CJBig2_Image(*(src->SDEXSYMS[i])));
+ if (src->SDEXSYMS[i]) {
+ JBIG2_ALLOC(dst->SDEXSYMS[i],
+ CJBig2_Image(*(src->SDEXSYMS[i])));
+ } else {
+ dst->SDEXSYMS[i] = NULL;
+ }
}
return dst;
}