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| From | Dmitry Vyukov <dvyukov@google.com> |
| Newsgroups | linux.kernel |
| Subject | Re: use-after-free in __perf_install_in_context |
| Date | Thu, 31 Dec 2015 18:20:02 +0100 |
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On Thu, Dec 17, 2015 at 3:43 PM, Peter Zijlstra <peterz@infradead.org> wrote: > On Thu, Dec 17, 2015 at 03:35:32PM +0100, Dmitry Vyukov wrote: >> In short, I did not see use-after-frees but perf_event_open fuzzing >> started hanging VMs very frequently, so testing is inconclusive. > > Right, I'll get back to staring at that one. > > Running your test case on bare metal got my machine reproducably stuck > but in a different place than you've reported. > > Takes a while too, so far no luck in explaining/debugging it. All my > added debug code remains silent :/ > > I'll go think up more .. Hi Peter, Any progress with this? I can't continue to test perf subsytem, as it reliably hangs my machines. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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Re: use-after-free in __perf_install_in_context Peter Zijlstra <peterz@infradead.org> - 2015-12-17 15:10 +0100
Re: use-after-free in __perf_install_in_context Dmitry Vyukov <dvyukov@google.com> - 2015-12-17 15:10 +0100
Re: use-after-free in __perf_install_in_context Peter Zijlstra <peterz@infradead.org> - 2015-12-17 15:30 +0100
Re: use-after-free in __perf_install_in_context Dmitry Vyukov <dvyukov@google.com> - 2015-12-17 15:40 +0100
Re: use-after-free in __perf_install_in_context Peter Zijlstra <peterz@infradead.org> - 2015-12-17 15:50 +0100
Re: use-after-free in __perf_install_in_context Dmitry Vyukov <dvyukov@google.com> - 2015-12-31 18:20 +0100
Re: use-after-free in __perf_install_in_context Peter Zijlstra <peterz@infradead.org> - 2016-01-05 13:20 +0100
Re: use-after-free in __perf_install_in_context Dmitry Vyukov <dvyukov@google.com> - 2016-01-08 09:50 +0100
Re: use-after-free in __perf_install_in_context Dmitry Vyukov <dvyukov@google.com> - 2016-01-08 11:30 +0100
Re: use-after-free in __perf_install_in_context Peter Zijlstra <peterz@infradead.org> - 2015-12-17 15:30 +0100
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