Message 276355 - Python tracker

Message276355

Author	serhiy.storchaka
Recipients	benjamin.peterson, christian.heimes, doko, gvanrossum, ned.deily, serhiy.storchaka, skrah, vstinner, ztane
Date	2016-09-13.22:14:53
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1473804893.72.0.38547594725.issue28055@psf.upfronthosting.co.za>
In-reply-to

Content
> IMO, though, we should just require alignment for the argument to _PyHash_Bytes. It's private after all. And what to do with memoryview? Memoryview data can be not aligned. > If I understand it correctly, the hash value differs depending on the kernel configuration when the python binary is built, leading to different pickle objects which cannot be shared, making them incompatible . Hash values shouldn't be leaked in pickle.

Content

> IMO, though, we should just require alignment for the argument to _PyHash_Bytes. It's private after all.

And what to do with memoryview? Memoryview data can be not aligned.

> If I understand it correctly, the hash value differs depending on the kernel configuration when the python binary is built, leading to different pickle objects which cannot be shared, making them incompatible .

Hash values shouldn't be leaked in pickle.

History
Date	User	Action	Args
2016-09-13 22:14:53	serhiy.storchaka	set	recipients: + serhiy.storchaka, gvanrossum, doko, vstinner, christian.heimes, benjamin.peterson, ned.deily, skrah, ztane
2016-09-13 22:14:53	serhiy.storchaka	set	messageid: <1473804893.72.0.38547594725.issue28055@psf.upfronthosting.co.za>
2016-09-13 22:14:53	serhiy.storchaka	link	issue28055 messages
2016-09-13 22:14:53	serhiy.storchaka	create