[Bug binutils/23496] New: Memory Leak of objdump

[lqliuyuwei at outlook dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=23496

            Bug ID: 23496
           Summary: Memory Leak of objdump
           Product: binutils
           Version: 2.31
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: binutils
          Assignee: unassigned at sourceware dot org
          Reporter: lqliuyuwei at outlook dot com
  Target Milestone: ---

Created attachment 11168
  --> https://sourceware.org/bugzilla/attachment.cgi?id=11168&action=edit
the poc file

on ubuntu 16.04 64bit, binutils 2.31

How to reproduce:
  1. compile: CC="gcc -fsanitize=address" CXX="g++ -fsanitize=address"
../configure
  2. objdump -d poc

asan info:
==82201==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 336 byte(s) in 1 object(s) allocated from:
    #0 0x7fb3e3986602 in malloc
(/usr/lib/x86_64-linux-gnu/libasan.so.2+0x98602)
    #1 0x488c62 in bfd_malloc ../../bfd/libbfd.c:271
    #2 0x61200000bebf  (<unknown module>)
    #3 0x65880f  (/home/marsman/Desktop/crashana/binutils/bin/objdump+0x65880f)

Direct leak of 184 byte(s) in 1 object(s) allocated from:
    #0 0x7fb3e3986602 in malloc
(/usr/lib/x86_64-linux-gnu/libasan.so.2+0x98602)
    #1 0x488c62 in bfd_malloc ../../bfd/libbfd.c:271

SUMMARY: AddressSanitizer: 520 byte(s) leaked in 2 allocation(s)

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