linux-kernel - Re: [PATCH] perf symbol: Fail to read phdr workaround

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] [day] [month] [year] [list]

Message-ID: <20220801015259.GA101027@leoy-ThinkPad-X240s>
Date:   Mon, 1 Aug 2022 09:52:59 +0800
From:   Leo Yan <leo.yan@...aro.org>
To:     Ian Rogers <irogers@...gle.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH] perf symbol: Fail to read phdr workaround

On Sun, Jul 31, 2022 at 09:49:23AM -0700, Ian Rogers wrote:
> The perf jvmti agent doesn't create program headers, in this case
> fallback on section headers as happened previously.
> 
> Fixes: 882528d2e776 ("perf symbol: Skip symbols if SHF_ALLOC flag is not set")

It's good to change fix tag as:
Fixes: 2d86612aacb7 ("perf symbol: Correct address for bss symbols")

I saw stable kernel maintainers have back ported patch "perf symbol:
Correct address for bss symbols" for stable kernel branches, the
suggested fix tag would allow this patch to be landed on stable kernels
as well.

I think I need to manually send the patch "perf symbol: Skip symbols
if SHF_ALLOC flag is not set" to stable kernel mailing list, this
patch missed fix tag.

> Signed-off-by: Ian Rogers <irogers@...gle.com>

With updating fix tag:

Reviewed-by: Leo Yan <leo.yan@...aro.org>
Tested-by: Leo Yan <leo.yan@...aro.org>