linux-kernel - Re: [PATCH] perf: protect group_leader from races that cause ctx

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Message-ID: <CA+njcd30PbC=V=rcWwNOGE1FKxfb5=Fq6_q++Pkh58HgZ98BnQ@mail.gmail.com>
Date:   Sat, 7 Jan 2017 08:29:13 -0800
From:   John Dias <joaodias@...gle.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Min Chong <mchong@...gle.com>
Subject: Re: [PATCH] perf: protect group_leader from races that cause ctx

> John, are you able to test this solution? IIUC, you've got a reproducer handy?

Yes, I tested against two reproducers. Both were fixed by this solution.

Thanks to Kees and Peter for your patience on this.
John