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[Bug binutils/22449] New: Memory Leak in bucomm.c (ar)
From: |
timo-high at hotmail dot com |
Subject: |
[Bug binutils/22449] New: Memory Leak in bucomm.c (ar) |
Date: |
Fri, 17 Nov 2017 06:18:50 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=22449
Bug ID: 22449
Summary: Memory Leak in bucomm.c (ar)
Product: binutils
Version: 2.30 (HEAD)
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: timo-high at hotmail dot com
Target Milestone: ---
Created attachment 10607
--> https://sourceware.org/bugzilla/attachment.cgi?id=10607&action=edit
File to reproduce the memory leak
I have encountered a memory leak in bucomm.c when fuzzing ar library. I have
attached the file to reproduce the memory leak.
Command used - ./ar -s $FILE
==11726== HEAP SUMMARY:
==11726== in use at exit: 36 bytes in 1 blocks
==11726== total heap usage: 44 allocs, 43 frees, 31,048 bytes allocated
==11726==
==11726== 36 bytes in 1 blocks are definitely lost in loss record 1 of 1
==11726== at 0x4C2DB8F: malloc (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==11726== by 0x4BD907: xmalloc (xmalloc.c:147)
==11726== by 0x407B56: template_in_dir (bucomm.c:490)
==11726== by 0x4087C5: make_tempname (bucomm.c:519)
==11726== by 0x405799: write_archive (ar.c:1152)
==11726== by 0x4068C1: ranlib_only.part.2 (ar.c:1445)
==11726== by 0x403912: ranlib_only (ar.c:1439)
==11726== by 0x403912: main (ar.c:767)
==11726==
==11726== LEAK SUMMARY:
==11726== definitely lost: 36 bytes in 1 blocks
==11726== indirectly lost: 0 bytes in 0 blocks
==11726== possibly lost: 0 bytes in 0 blocks
==11726== still reachable: 0 bytes in 0 blocks
==11726== suppressed: 0 bytes in 0 blocks
==11726==
==11726== For counts of detected and suppressed errors, rerun with: -v
==11726== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)
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