diff options
| -rw-r--r-- | lld/ELF/InputFiles.cpp | 4 | ||||
| -rw-r--r-- | lld/test/elf2/Inputs/invalid-section-index.elf | bin | 0 -> 544 bytes | |||
| -rw-r--r-- | lld/test/elf2/invalid-elf.test | 4 |
3 files changed, 8 insertions, 0 deletions
diff --git a/lld/ELF/InputFiles.cpp b/lld/ELF/InputFiles.cpp index a58093f80a4..14566dccd32 100644 --- a/lld/ELF/InputFiles.cpp +++ b/lld/ELF/InputFiles.cpp @@ -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"); diff --git a/lld/test/elf2/Inputs/invalid-section-index.elf b/lld/test/elf2/Inputs/invalid-section-index.elf Binary files differnew file mode 100644 index 00000000000..ec5adcf3b0b --- /dev/null +++ b/lld/test/elf2/Inputs/invalid-section-index.elf diff --git a/lld/test/elf2/invalid-elf.test b/lld/test/elf2/invalid-elf.test index 5b2bea3994f..0085b2797a9 100644 --- a/lld/test/elf2/invalid-elf.test +++ b/lld/test/elf2/invalid-elf.test @@ -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 |
