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| From | Vince Weaver <vincent.weaver@maine.edu> |
| Newsgroups | linux.kernel |
| Subject | Re: perf,ftrace: fuzzer triggers warning in trace_events_filter code |
| Date | Sat, 13 Jun 2015 03:10:02 +0200 |
| Message-ID | <pAI7o-63g-19@gated-at.bofh.it> (permalink) |
| References | <pAEwN-Fw-5@gated-at.bofh.it> <pAEZP-1e5-7@gated-at.bofh.it> |
| X-Original-To | Steven Rostedt <rostedt@goodmis.org> |
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| X-Original-Cc | linux-kernel@vger.kernel.org, Peter Zijlstra <a.p.zijlstra@chello.nl>, Ingo Molnar <mingo@redhat.com>, Arnaldo Carvalho de Melo <acme@kernel.org> |
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On Fri, 12 Jun 2015, Steven Rostedt wrote: > On Fri, 12 Jun 2015 17:18:22 -0400 (EDT) > Vince Weaver <vincent.weaver@maine.edu> wrote: > > > > > So I've modified my fuzzer to try to exercise the > > PERF_EVENT_IOC_SET_FILTER ioctl() and it is starting to turn up some > > warnings. > > Is there any way to know what the filter string you used that generated > this? Various seem to trigger it. One example is ext4:ext4_truncate_exit (((dev<=913)blocks==916)common_type&756) Vince -- 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: perf,ftrace: fuzzer triggers warning in trace_events_filter code Vince Weaver <vincent.weaver@maine.edu> - 2015-06-13 03:10 +0200
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