linux-kernel - Re: [PATCH] perf util: Fix use after free in metric_

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Message-ID: <20220114150024.GA5646@elementary>
Date:   Fri, 14 Jan 2022 16:00:24 +0100
From:   José Expósito <jose.exposito89@...il.com>
To:     John Garry <john.garry@...wei.com>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Ian Rogers <irogers@...gle.com>, peterz@...radead.org,
        mingo@...hat.com, mark.rutland@....com,
        alexander.shishkin@...ux.intel.com, jolsa@...hat.com,
        namhyung@...nel.org, ak@...ux.intel.com,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf util: Fix use after free in metric__new

On Fri, Jan 14, 2022 at 02:48:35PM +0000, John Garry wrote:
> On 14/01/2022 14:47, Arnaldo Carvalho de Melo wrote:
> > > > Addresses-Coverity-ID: 1494000
> > > > Signed-off-by: José Expósito<jose.exposito89@...il.com>
> > > Acked-by: Ian Rogers <irogers@...gle,com>
> > > 
> > > This can only happen in the ENOMEM case, but it is a good fix.
> > > 
> > > Fixes: b85a4d61d302 (perf metric: Allow modifiers on metrics)
> > Sorry, I missed this one_as well_, sigh...
> > 
> > - Arnaldo
> 
> 
> Isn't there a v3 out there? Not sure if you noticed...
> 
> Cheers

Yes, here is v3 including the Fixes, Acked-by and Reviewed-by tags:

https://lore.kernel.org/linux-perf-users/20220107182106.138418-1-jose.exposito89@gmail.com/