[issue27560] zlib.compress() crash and keyboard interrupt stops working

Antti Haapala added the comment: I am pretty sure **it never calls zlib.compress**. I get memory error from that argument alone, on Linux with overcommit memory enabled, 16G ram, swap. -- nosy: +ztane ___ Python tracker

[issue27560] zlib.compress() crash and keyboard interrupt stops working

Xiang Zhang added the comment: Compressing large data is born to be slow and it's highly possible to cause the kernel halt then due to resource limit. > This may be used to crash python remotely if a server takes user input and > runs it through zlib.compress(b'variable' * 2**32) which is not

[issue27560] zlib.compress() crash and keyboard interrupt stops working

pablo sacristan added the comment: I'd like to but I don't have enough memory either, sorry. -- versions: +Python 3.5, Python 3.6 ___ Python tracker ___ _

[issue27560] zlib.compress() crash and keyboard interrupt stops working

Martin Panter added the comment: There is a good chance crashes and related 2 GiB and 4 GiB limits in zlib will be solved by Issue 27130. Do you want to see if the patch improves the situation? (I cannot test it directly because I don’t have enough memory.) -- nosy: +martin.panter ___

[issue27560] zlib.compress() crash and keyboard interrupt stops working

New submission from pablo sacristan: zlib.compress crashes when you put a lot of stuff into it and even when you try keyboard interrupts it doesn't work for some reason, and Python gets killed because trying to compress so much data gets the Python process get killed by the kernel. If you put