diff options
| -rw-r--r-- | lld/ELF/InputFiles.h | 2 | ||||
| -rw-r--r-- | lld/test/ELF/invalid/Inputs/invalid-symbol-index.elf | bin | 0 -> 480 bytes | |||
| -rw-r--r-- | lld/test/ELF/invalid/invalid-symbol-index.s | 10 |
3 files changed, 12 insertions, 0 deletions
diff --git a/lld/ELF/InputFiles.h b/lld/ELF/InputFiles.h index 68b31e8fd14..b8cdcc556fc 100644 --- a/lld/ELF/InputFiles.h +++ b/lld/ELF/InputFiles.h @@ -151,6 +151,8 @@ public: InputSectionBase<ELFT> *getSection(const Elf_Sym &Sym) const; SymbolBody &getSymbolBody(uint32_t SymbolIndex) const { + if (SymbolIndex >= SymbolBodies.size()) + fatal(getFilename(this) + ": invalid symbol index"); return *SymbolBodies[SymbolIndex]; } diff --git a/lld/test/ELF/invalid/Inputs/invalid-symbol-index.elf b/lld/test/ELF/invalid/Inputs/invalid-symbol-index.elf Binary files differnew file mode 100644 index 00000000000..f31ffbf602c --- /dev/null +++ b/lld/test/ELF/invalid/Inputs/invalid-symbol-index.elf diff --git a/lld/test/ELF/invalid/invalid-symbol-index.s b/lld/test/ELF/invalid/invalid-symbol-index.s new file mode 100644 index 00000000000..1c232153970 --- /dev/null +++ b/lld/test/ELF/invalid/invalid-symbol-index.s @@ -0,0 +1,10 @@ +## invalid-symbol-index.elf has incorrect type of .symtab section. +## There is no symbol bodies because of that and any symbol index becomes incorrect. +## Section Headers: +## [Nr] Name Type Address Off Size ES Flg Lk Inf Al +## [ 0] NULL 0000000000000000 000000 000000 00 0 0 0 +## ... +## [ 4] .symtab RELA 0000000000000000 000048 000030 18 1 2 8 +# RUN: not ld.lld %p/Inputs/invalid-symbol-index.elf -o %t2 2>&1 | \ +# RUN: FileCheck --check-prefix=INVALID-SYMBOL-INDEX %s +# INVALID-SYMBOL-INDEX: invalid symbol index |
