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[Bug binutils/26337] New: Malloc size error in objdump


From: seviezhou at 163 dot com
Subject: [Bug binutils/26337] New: Malloc size error in objdump
Date: Tue, 04 Aug 2020 17:18:37 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=26337

            Bug ID: 26337
           Summary: Malloc size error in objdump
           Product: binutils
           Version: 2.36 (HEAD)
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: binutils
          Assignee: unassigned at sourceware dot org
          Reporter: seviezhou at 163 dot com
  Target Milestone: ---

Created attachment 12746
  --> https://sourceware.org/bugzilla/attachment.cgi?id=12746&action=edit
malloc-size-error-load_specific_debug_section-objdump-3567

## System info

Ubuntu X64, gcc (Ubuntu 5.5.0-12ubuntu1), binutils (master
8c4c18181ea382adf407df235c7991feb0647bab)

## Configure

CFLAGS="-g -fsanitize=address" LDFLAGS="-fsanitize=address" ./configure

## Command line

./objdump -a -f -p -P -h -x -D -S -s -g -t -T -r -R @@

## AddressSanitizer output

```
==79091==WARNING: AddressSanitizer failed to allocate 0x8000000000fd bytes
==79091==AddressSanitizer's allocator is terminating the process instead of
returning 0
==79091==If you don't like this behavior set allocator_may_return_null=1
==79091==AddressSanitizer CHECK failed:
/home/seviezhou/llvm-6.0.0/projects/compiler-rt/lib/sanitizer_common/sanitizer_allocator.cc:225
"((0)) != (0)" (0x0, 0x0)
    #0 0x4e865f in __asan::AsanCheckFailed(char const*, int, char const*,
unsigned long long, unsigned long long)
/home/seviezhou/llvm-6.0.0/projects/compiler-rt/lib/asan/asan_rtl.cc:69
    #1 0x5055d5 in __sanitizer::CheckFailed(char const*, int, char const*,
unsigned long long, unsigned long long)
/home/seviezhou/llvm-6.0.0/projects/compiler-rt/lib/sanitizer_common/sanitizer_termination.cc:79
    #2 0x4ee486 in __sanitizer::ReportAllocatorCannotReturnNull()
/home/seviezhou/llvm-6.0.0/projects/compiler-rt/lib/sanitizer_common/sanitizer_allocator.cc:225
    #3 0x4ee4c3 in __sanitizer::ReturnNullOrDieOnFailure::OnBadRequest()
/home/seviezhou/llvm-6.0.0/projects/compiler-rt/lib/sanitizer_common/sanitizer_allocator.cc:241
    #4 0x41f596 in __asan::asan_malloc(unsigned long,
__sanitizer::BufferedStackTrace*)
/home/seviezhou/llvm-6.0.0/projects/compiler-rt/lib/asan/asan_allocator.cc:856
    #5 0x4df144 in malloc
/home/seviezhou/llvm-6.0.0/projects/compiler-rt/lib/asan/asan_malloc_linux.cc:89
    #6 0x517059 in load_specific_debug_section
/home/seviezhou/AlphaFuzz/targets/binutils/binutils/./objdump.c:3567:31
    #7 0x51e77d in dump_dwarf_section
/home/seviezhou/AlphaFuzz/targets/binutils/binutils/./objdump.c:3776:6
    #8 0x63cd8c in bfd_map_over_sections
/home/seviezhou/AlphaFuzz/targets/binutils/bfd/section.c:1379:5
    #9 0x51d552 in dump_dwarf
/home/seviezhou/AlphaFuzz/targets/binutils/binutils/./objdump.c:3817:3
    #10 0x51c728 in dump_bfd
/home/seviezhou/AlphaFuzz/targets/binutils/binutils/./objdump.c:4954:4
    #11 0x519983 in display_any_bfd
/home/seviezhou/AlphaFuzz/targets/binutils/binutils/./objdump.c
    #12 0x5196fe in display_file
/home/seviezhou/AlphaFuzz/targets/binutils/binutils/./objdump.c:5102:3
    #13 0x518b14 in main
/home/seviezhou/AlphaFuzz/targets/binutils/binutils/./objdump.c:5450:6
    #14 0x7faa5d96883f in __libc_start_main
/build/glibc-e6zv40/glibc-2.23/csu/../csu/libc-start.c:291
    #15 0x41af58 in _start
(/home/seviezhou/experiment-5/AlphaFuzz-objdump/test/objdump+0x41af58)

```

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