llvm/test/Object/elf-invalid-phdr.test
Rafael Espindola 629b8be51b Added phdr upper bound checks to ElfObject.
Ensure the program_headers call will fail correctly if the program
headers are larger than the underlying buffer.

Patch by Parker Thompson!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@315012 91177308-0d34-0410-b5e6-96231b3b80d8
2017-10-05 20:01:32 +00:00

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# invalid-phdr.elf is generated by creating a simple elf file with yaml2obj:
# !ELF
# FileHeader:
# Class: ELFCLASS64
# Data: ELFDATA2LSB
# Type: ET_EXEC
# Machine: EM_X86_64
# Sections:
# - Name: .text
# Type: SHT_PROGBITS
# Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
# AddressAlign: 0x0000000000001000
# Content: "00000000"
# ProgramHeaders:
# - Type: PT_LOAD
# Flags: [ PF_X, PF_R ]
# VAddr: 0xAAAA1000
# PAddr: 0xFFFF1000
# Sections:
# - Section: .text
#
# Then editing the e_phoff in with a hexeditor to set it to 0xffffff
RUN: not llvm-objdump -private-headers %p/Inputs/invalid-phdr.elf 2>&1 \
RUN: | FileCheck %s
CHECK: LLVM ERROR: Invalid data was encountered while parsing the file