linux-kernel - Re: [PATCH] tools: Fix incorrect calculation of object size by sizeof

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Message-ID: <CAM9d7cj0HLf1YSu+Y1GbhfR_yxtS2UDGtAuPbOAQhiCwCuF9nA@mail.gmail.com>
Date:   Wed, 21 Jun 2023 10:26:57 -0700
From:   Namhyung Kim <namhyung@...nel.org>
To:     Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>
Cc:     Li Dong <lidong@...o.com>, 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>, Ian Rogers <irogers@...gle.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Sean Christopherson <seanjc@...gle.com>,
        "open list:PERFORMANCE EVENTS SUBSYSTEM" 
        <linux-perf-users@...r.kernel.org>,
        "open list:PERFORMANCE EVENTS SUBSYSTEM" 
        <linux-kernel@...r.kernel.org>, opensource.kernel@...o.com
Subject: Re: [PATCH] tools: Fix incorrect calculation of object size by sizeof

On Tue, Jun 20, 2023 at 3:42 PM Namhyung Kim <namhyung@...nel.org> wrote:
>
> Hi Arnaldo,
>
> On Tue, Jun 20, 2023 at 3:06 PM Arnaldo Carvalho de Melo
> <arnaldo.melo@...il.com> wrote:
> >
> >
> >
> > On Tue, Jun 20, 2023, 3:19 PM Namhyung Kim <namhyung@...nel.org> wrote:
> >>
> >> Hello,
> >>
> >> On Mon, Jun 19, 2023 at 1:21 AM Li Dong <lidong@...o.com> wrote:
> >> >
> >> > What we need to calculate is the size of the object, not the size of the
> >> > pointer.
> >> >
> >> > Signed-off-by: Li Dong <lidong@...o.com>
> >>
> >> Since this problem was introduced in the current dev cycle and not in the
> >> mainline yet, I think we can skip the Fixes tag.
> >>
> >> Acked-by: Namhyung Kim <namhyung@...nel.org>
> >
> >
> > I think we should have it anyway, if not for the stable guys to pick it up, for documentation sake :-)
>
> Ok, I'll add that.  Thanks for the reply while on your vacation. :)

Applied to perf-tools-next with the below tag, thanks!

Fixed: 51cfe7a3e87e ("perf python: Avoid 2 leak sanitizer issues")