[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Memory leak detected by Valgrind
From: |
Chet Ramey |
Subject: |
Re: Memory leak detected by Valgrind |
Date: |
Tue, 15 Jun 2021 16:20:22 -0400 |
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.10.2 |
On 6/15/21 3:19 PM, Zachary Fields wrote:
Again, this can be reproduced with only Valgrind and Bash installed, by
copy/pasting the following command:
Don't be so sure:
==34794== LEAK SUMMARY:
==34794== definitely lost: 0 bytes in 0 blocks
==34794== indirectly lost: 0 bytes in 0 blocks
==34794== possibly lost: 0 bytes in 0 blocks
==34794== still reachable: 20,847 bytes in 464 blocks
==34794== suppressed: 0 bytes in 0 blocks
on RHEL 7 with the current devel version and
==34900==
==34900== All heap blocks were freed -- no leaks are possible
==34900==
with bash-5.1.8.
==53602== 2 bytes in 1 blocks are definitely lost in loss record 10 of 264
==53602== at 0x483C7F3: malloc (in
/usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==53602== by 0x198523: xmalloc (in /usr/bin/bash)
==53602== by 0x19199E: set_default_locale (in /usr/bin/bash)
==53602== by 0x136C8A: main (in /usr/bin/bash)
It depends on the libc implementation of setlocale(3).
This has come up a number of times before:
https://lists.gnu.org/archive/html/bug-bash/2015-07/msg00073.html
https://lists.gnu.org/archive/html/bug-bash/2017-04/msg00063.html
https://lists.gnu.org/archive/html/bug-bash/2017-06/msg00052.html
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU chet@case.edu http://tiswww.cwru.edu/~chet/