Messages in this thread | | | Date | Thu, 26 Sep 2013 10:46:40 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH] perf: fix infinite loop with corrupted header |
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Em Thu, Sep 26, 2013 at 07:34:56AM -0600, David Ahern escreveu: > On 9/25/13 11:20 PM, Sonny Rao wrote: > >We recently ran into a corrupt perf data file which mostly looked okay > >but the section size for data was set to 0. This caused perf report to > >get into an infinite loop in __perf_session_process_events(). Let's > >just avoid this by bailing early and reporting it if there's an > >invalid header. > > Been suggested before: > https://lkml.org/lkml/2013/5/9/405
Thanks for the pointer (and this latest patch as well), looking at it now.
- Arnaldo
> Other changes went in around that time as well. Are you still seeing > the loop on latest source? > > David
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