Hi Eric, On Tue, Dec 13, 2016 at 9:39 AM, Eric Biggers <ebiggers3@xxxxxxxxx> wrote: > Hmm, I don't think you can really do load_unaligned_zeropad() without first > checking for 'left != 0'. The fixup section for load_unaligned_zeropad() > assumes that rounding the pointer down to a word boundary will produce an > address from which an 'unsigned long' can be loaded. But if 'left = 0' and we > happen to be on a page boundary with the next page unmapped, then this will not > be true and the second load will still fault. Excellent point. I haven't been able to trigger this in my experiments, but it doesn't look like there's much to prevent this from happening. I'll submit a v4 with this as fixed, since there hasn't been any other code quality issues. Jason -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
