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-rw-r--r--llvm/tools/llvm-readobj/COFFDumper.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/tools/llvm-readobj/COFFDumper.cpp b/llvm/tools/llvm-readobj/COFFDumper.cpp
index a216a05e96f..029674b8d63 100644
--- a/llvm/tools/llvm-readobj/COFFDumper.cpp
+++ b/llvm/tools/llvm-readobj/COFFDumper.cpp
@@ -736,6 +736,8 @@ void COFFDumper::printCodeViewSymbolSection(StringRef SectionName,
size_t SectionOffset = Data.data() - SectionContents.data();
size_t NextOffset = SectionOffset + SubSectionSize;
NextOffset = alignTo(NextOffset, 4);
+ if (NextOffset > SectionContents.size())
+ return error(object_error::parse_failed);
Data = SectionContents.drop_front(NextOffset);
// Optionally print the subsection bytes in case our parsing gets confused
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