[Bug binutils/22366] New: _bfd_elf_setup_sections null pointer read

[jgj212 at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=22366

            Bug ID: 22366
           Summary: _bfd_elf_setup_sections null pointer read
           Product: binutils
           Version: 2.29
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: binutils
          Assignee: unassigned at sourceware dot org
          Reporter: jgj212 at gmail dot com
  Target Milestone: ---

Hi:
  I found a null pointer read in objdump 2.29, here is the asan-log and poc:
=================================================================
==3033==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000040 (pc
0x0000006d3463 bp 0x7ffe581bab10 sp 0x7ffe581ba860 T0)
==3033==The signal is caused by a READ memory access.
==3033==Hint: address points to the zero page.
    #0 0x6d3462 in _bfd_elf_setup_sections  bfd/elf.c:899:6
    #1 0x8425a0 in bfd_elf32_object_p  bfd/./elfcode.h:809:13
    #2 0x64525c in bfd_check_format_matches  bfd/format.c:311:14
    #3 0x5178cf in display_object_bfd  binutils/./objdump.c:3601:7
    #4 0x5177d9 in display_any_bfd  binutils/./objdump.c:3692:5
    #5 0x51731a in display_file  binutils/./objdump.c:3713:3
    #6 0x516b74 in main  binutils/./objdump.c:4015:6
    #7 0x7f1f16a4ef44 in __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x21f44)
    #8 0x41b7bb in _start ( binutils/objdump+0x41b7bb)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV  bfd/elf.c:899:6 in _bfd_elf_setup_sections
==3033==ABORTING

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