[Numpy-discussion] fromfile can segfault if data is corrupted
Charles R Harris
Tue Dec 15 12:28:43 CST 2009
On Tue, Dec 15, 2009 at 11:20 AM, Michael Droettboom <firstname.lastname@example.org>wrote:
> I just discovered a bug in fromfile where it can segfault if the file data
> is corrupted in such a way that the array size is insanely large. (It was a
> byte-swapping problem in my own code, but it would be preferable to get an
> exception rather than a crash).
> It's a simple fix to propagate the "array too large" exception before
> trying to dereference the NULL array pointer (ret) in PyArray_FromFile (see
> attached patch). But my question is: is this an appropriate fix for 1.4 (it
> seems pretty straightforward), or should I only make this to the trunk?
David can weigh in here, but I think you should backport it. It's a bugfix,
small, and there is going to be another rc.
On the other hand, Travis should stop backporting new functionality.
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