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Open Source and information security mailing list archives
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Date: Thu, 17 Dec 2015 15:28:23 +0100 From: Peter Zijlstra <peterz@...radead.org> To: Dmitry Vyukov <dvyukov@...gle.com> Cc: Ingo Molnar <mingo@...hat.com>, Arnaldo Carvalho de Melo <acme@...nel.org>, LKML <linux-kernel@...r.kernel.org>, syzkaller <syzkaller@...glegroups.com>, Kostya Serebryany <kcc@...gle.com>, Alexander Potapenko <glider@...gle.com>, Eric Dumazet <edumazet@...gle.com>, Sasha Levin <sasha.levin@...cle.com> Subject: Re: use-after-free in __perf_install_in_context On Thu, Dec 17, 2015 at 03:26:17PM +0100, Peter Zijlstra wrote: > On Thu, Dec 17, 2015 at 03:08:49PM +0100, Dmitry Vyukov wrote: > > On Thu, Dec 17, 2015 at 3:06 PM, Peter Zijlstra <peterz@...radead.org> wrote: > > > On Thu, Dec 10, 2015 at 08:57:40PM +0100, Peter Zijlstra wrote: > > >> I'm not sure I can explain your problem with this, but I figure its > > >> worth a try. > > > > > > Did it make a difference? > > > > > > Also, does the syzkaller thing do cpu-hotplug during its runs? > > > > See my email on Dec 15. > > I have 4 emails from you on that day (and one private), they pertain to > getting stuck in perf_{install,remove}_from_context(). None of those > emails seem to contain an answer to either of the two above questions. > > CACT4Y+Za4L4q6FZLXjyGbnSYRwa7RJZYcG_s562q+CrNy9C75w@...l.gmail.com > CACT4Y+YUkYgCuQFW6eBTtdfRqdF7EEtrB3VaYJk+LUXE_-iGRQ@...l.gmail.com > CACT4Y+bvHWuyDZjoFhLAOiK1rfNQcfuSJCY0oS5xA=u8j04bXQ@...l.gmail.com > CACT4Y+an67KnTsVVzYVvrYKW9yg7PbDuC8WyB38PiWRoSt0UCQ@...l.gmail.com > > and in private: > > CACT4Y+Zb1vU192JbCnyS9qY3cpsvfAUJdpBVUsmosueCtQjSXQ@...l.gmail.com > > Did I miss an email? Yes, I seem to have missed this one: CACT4Y+Y_YdEd-YGdWq-wQV6S+1M2nKA6atYO2DOFa8-wtQ8QWg@...l.gmail.com found it, thanks! -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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