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Re: [Help-bash] Cleanup resources on shell exit
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From: |
Chet Ramey |
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Subject: |
Re: [Help-bash] Cleanup resources on shell exit |
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Date: |
Mon, 13 May 2019 14:24:50 -0400 |
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User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 |
On 5/7/19 1:40 AM, Jeffrey Walton wrote:
> When I attempt to use LD_PRELOAD Bash is producing findings that are
> tainting the tests. Sometimes the tests fail to run, and other times
> the tests run but report results from Bash. For example, this should
> build and install OpenSSL and its dependencies with Asan, and then run
> the self tests:
>
> LD_PRELOAD=/usr/lib64/libasan.so.5 INSTX_ASAN=1 \
> INSTX_PREFIX=/var/sanitize ./build-openssl.sh
>
> Each subshell in the script generates one of these:
>
> =================================================================
> ==11296==ERROR: LeakSanitizer: detected memory leaks
>
> Direct leak of 23 byte(s) in 1 object(s) allocated from:
> #0 0x7f93594ddc08 in __interceptor_malloc
> (/usr/lib64/libasan.so.5+0xefc08)
> #1 0x564763da8341 in xmalloc (/usr/bin/bash+0x8a341)
If you can isolate that to a smaller reproducer, I will be glad to see
if it still exists in bash-5.0.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU address@hidden http://tiswww.cwru.edu/~chet/