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Diagnose symbols with invalid section indexes. 

llvm-svn: 245884
This commit is contained in:
Rafael Espindola 2015-08-24 22:00:25 +00:00
parent 744ad106c3
commit 5cd113df01
3 changed files with 8 additions and 0 deletions
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4
lld/ELF/InputFiles.cpp
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@ -93,6 +93,10 @@ SymbolBody *elf2::ObjectFile<ELFT>::createSymbolBody(StringRef StringTable,
if (SecIndex == SHN_XINDEX)
SecIndex = ELFObj->getExtendedSymbolTableIndex(Sym, Symtab, SymtabSHNDX);
if (SecIndex >= Chunks.size() ||
(SecIndex != 0 && !Chunks[SecIndex]))
error("Invalid section index");
switch (Sym->getBinding()) {
default:
error("unexpected binding");

BIN
lld/test/elf2/Inputs/invalid-section-index.elf Normal file
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4
lld/test/elf2/invalid-elf.test
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@ -13,3 +13,7 @@ INVALID-SYMTAB-SHINFO: Invalid sh_info in symbol table
RUN: not lld -flavor gnu2 %p/Inputs/invalid-binding.elf -o %t2 2>&1 | \
RUN: FileCheck --check-prefix=INVALID-BINDING %s
INVALID-BINDING: unexpected binding
RUN: not lld -flavor gnu2 %p/Inputs/invalid-section-index.elf -o %t2 2>&1 | \
RUN: FileCheck --check-prefix=INVALID-SECTION-INDEX %s
INVALID-SECTION-INDEX: Invalid section index