Messages in this thread | | | Date | Mon, 18 Apr 2011 11:31:09 -0700 | Subject | Re: [PATCH] Fix infinite loop in ARM user perf_event backtrace code | From | Olof Johansson <> |
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On Fri, Apr 15, 2011 at 8:27 PM, Sonny Rao <sonnyrao@chromium.org> wrote: > > The ARM user backtrace code can get into an infinite loop if it > runs into an invalid stack frame which points back to itself. > This situation has been observed in practice. Fix it by capping > the number of entries in the backtrace. This is also what other > architectures do in their backtrace code. > > Signed-off-by: Sonny Rao <sonnyrao@chromium.org>
Acked-by: Olof Johansson <olof@lixom.net>
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