fileformat/elf: fix segfault on broken binary (#241)

avast · Mar 13, 2018 · 920ea0d · 920ea0d
1 parent 2e6ecef
commit 920ea0d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/fileformat/file_format/elf/elf_format.cpp b/src/fileformat/file_format/elf/elf_format.cpp
@@ -1227,7 +1227,7 @@ ELFIO::section* ElfFormat::addSymbolTable(ELFIO::section *dynamicSection, const
 		if(seg)
 		{
 			symbolTable->set_addr_align(seg->get_align());
-			if(symTabSize + (symTabAddr - symTabSeg->getAddress()) <= symTabSeg->getSizeInFile())
+			if(seg->get_data() && symTabSize + (symTabAddr - symTabSeg->getAddress()) <= symTabSeg->getSizeInFile())
 			{
 				symbolTable->set_data(seg->get_data() + (symTabAddr - symTabSeg->getAddress()), static_cast<Elf_Word>(symTabSize));
 			}