linux-kernel - Re: [PATCH 12/20] perf script: release zstd data

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 15 Jul 2021 17:23:15 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Riccardo Mancini <rickyman7@...il.com>
Cc:     Milian Wolff <milian.wolff@...b.com>,
        Ian Rogers <irogers@...gle.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Jiri Olsa <jolsa@...hat.com>, linux-kernel@...r.kernel.org,
        linux-perf-users@...r.kernel.org
Subject: Re: [PATCH 12/20] perf script: release zstd data

Em Thu, Jul 15, 2021 at 06:07:17PM +0200, Riccardo Mancini escreveu:
> ASan reports several memory leak while running the perf test
> "82: Use vfs_getname probe to get syscall args filenames".
> One of the leaks is caused by zstd data not being released on exit in
> perf-script.
> 
> This patch adds the missing zstd_fini.

Fixes: b13b04d9382113f7 ("perf script: Initialize zstd_data")

Thanks, applied.

- Arnaldo

 
> Signed-off-by: Riccardo Mancini <rickyman7@...il.com>
> ---
>  tools/perf/builtin-script.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
> index 8c03a9862872d495..bae0e5b72c0e6050 100644
> --- a/tools/perf/builtin-script.c
> +++ b/tools/perf/builtin-script.c
> @@ -4143,6 +4143,7 @@ int cmd_script(int argc, const char **argv)
>  		zfree(&script.ptime_range);
>  	}
>  
> +	zstd_fini(&(session->zstd_data));
>  	evlist__free_stats(session->evlist);
>  	perf_session__delete(session);
>  
> -- 
> 2.31.1
> 

-- 

- Arnaldo