[Bug binutils/29433] New: Detected memory leaks in readelf

[tricker51449 at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=29433

            Bug ID: 29433
           Summary: Detected memory leaks in readelf
           Product: binutils
           Version: 2.38
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: binutils
          Assignee: unassigned at sourceware dot org
          Reporter: tricker51449 at gmail dot com
  Target Milestone: ---

Created attachment 14246
  --> https://sourceware.org/bugzilla/attachment.cgi?id=14246&action=edit
Exception input

Hi, binutils team

When i use the readelf in binutils-2.38, i get memory leaks by
AddressSanitizer.

# ./binutils/readelf -a readelf_crash

==127064==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 8192 byte(s) in 1 object(s) allocated from:
    #0 0x5590aea8ec2e in malloc
(/workspace/binutils-2.38/binutils/readelf+0x2b1c2e) (BuildId:
5d094d520f89bb06)
    #1 0x5590aebf660b in xrealloc
/workspace/binutils-2.38/libiberty/./xmalloc.c:179:14
    #2 0x5590aebf660b in xcrealloc
/workspace/binutils-2.38/binutils/./dwarf.c:10762:10
    #3 0x5590aebf660b in read_and_display_attr_value
/workspace/binutils-2.38/binutils/./dwarf.c:2792:7
    #4 0x5590aebefab8 in read_and_display_attr
/workspace/binutils-2.38/binutils/./dwarf.c:3342:10
    #5 0x5590aebefab8 in process_debug_info
/workspace/binutils-2.38/binutils/./dwarf.c:3956:15
    #6 0x5590aeb00c96 in load_separate_debug_files
/workspace/binutils-2.38/binutils/./dwarf.c:11542:11
    #7 0x5590aeb00c96 in process_object
/workspace/binutils-2.38/binutils/readelf.c:21967:27
    #8 0x5590aeafbe67 in process_file
/workspace/binutils-2.38/binutils/readelf.c:22394:13
    #9 0x5590aeafbe67 in main
/workspace/binutils-2.38/binutils/readelf.c:22465:11
    #10 0x7fe068bc6d8f  (/lib/x86_64-linux-gnu/libc.so.6+0x29d8f) (BuildId:
89c3cb85f9e55046776471fed05ec441581d1969)

SUMMARY: AddressSanitizer: 8192 byte(s) leaked in 1 allocation(s).

Attached is the exception input file. Any help would be greatly appreciated.

Thanks & Best regards!

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