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LibArchive: Make get_field_as_integral error out on non-octal input
Fixes this bug that was reported by OSS-Fuzz: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=52493
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58e9262ff1
4 changed files with 54 additions and 19 deletions
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@ -75,8 +75,13 @@ inline ErrorOr<void> TarInputStream::for_each_extended_header(F func)
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Archive::TarFileStream file_stream = file_contents();
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ByteBuffer file_contents_buffer = TRY(ByteBuffer::create_zeroed(header().size()));
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VERIFY(file_stream.read(file_contents_buffer) == header().size());
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auto header_size_or_error = header().size();
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if (header_size_or_error.is_error())
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return header_size_or_error.release_error();
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auto header_size = header_size_or_error.release_value();
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ByteBuffer file_contents_buffer = TRY(ByteBuffer::create_zeroed(header_size));
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VERIFY(file_stream.read(file_contents_buffer) == header_size);
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StringView file_contents { file_contents_buffer };
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