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[COFFDumper] Make sure there is sufficient padding left in the checksum

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llvm-svn: 271143
This commit is contained in:
David Majnemer 2016-05-28 19:45:58 +00:00
parent c990a21322
commit 224ed127b5
1 changed files with 2 additions and 0 deletions
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2
tools/llvm-readobj/COFFDumper.cpp
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@ -940,6 +940,8 @@ void COFFDumper::printCodeViewFileChecksums(StringRef Subsection) {
W.printBinary("ChecksumBytes", ChecksumBytes);
unsigned PaddedSize = alignTo(FC->ChecksumSize + sizeof(FileChecksum), 4) -
sizeof(FileChecksum);
if (PaddedSize > Data.size())
error(object_error::parse_failed);
Data = Data.drop_front(PaddedSize);
}
}