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Gracefully handle ELF files with empty string table

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This commit is contained in:
Julian Stecklina
2020-11-15 14:40:10 +01:00
parent 62e39e05dc
commit cee8c8cda7
1 changed files with 3 additions and 1 deletions
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4
src/patchelf.cc
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@@ -436,7 +436,9 @@ ElfFile<ElfFileParamNames>::ElfFile(FileContents fileContents)
char * shstrtab = (char * ) contents + rdi(shdrs[shstrtabIndex].sh_offset);
checkPointer(fileContents, shstrtab, shstrtabSize);
assert(shstrtabSize > 0);
if (shstrtabSize == 0)
error("string table size is zero");
assert(shstrtab[shstrtabSize - 1] == 0);
sectionNames = std::string(shstrtab, shstrtabSize);