Messages in this thread | | | Date | Mon, 18 Apr 2011 11:42:26 +0100 | From | Jamie Iles <> | Subject | Re: [PATCH] Fix infinite loop in ARM user perf_event backtrace code |
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Hi,
On Fri, Apr 15, 2011 at 08:27:25PM -0700, Sonny Rao 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.
Tested on my v6k board and looks good.
> Signed-off-by: Sonny Rao <sonnyrao@chromium.org>
Acked-by: Jamie Iles <jamie@jamieiles.com>
Jamie
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