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Re: [RFC][PATCH] index-pack: add testcases found using AFL




On 10/03/2017 20:42, Jeff King wrote:
That's something I guess, but I'm not enthused by the idea of just
dumping a bunch of binary test cases that nobody, not even the author,
understands.
[...]

My real concern is that this is the tip of the ice berg. So we increased
coverage in one program by a few percent. But wouldn't this procedure be
applicable to lots of _other_ parts of Git, too?

I think that index-pack is in a special position given its role as the
verifier for packs received over the network, which you also wrote here:
https://www.spinics.net/lists/git/msg265118.html

I also think increased coverage for other parts of git which are not
considered security-sensitive is less valuable without testing for an
actual expected result.


Vegard