Date: Thu, 28 May 2015 08:24:36 +0200 From: magnum <john.magnum@...hmail.com> To: john-users@...ts.openwall.com Subject: Re: Memory leak in regex mode On 2015-05-28 01:17, Marek Wrzosek wrote: > W dniu 28.05.2015 o 00:22, magnum pisze: >> On 2015-05-27 23:52, Marek Wrzosek wrote: >>> Hi >>> >>> Today I fortunately was running top in one of terminal and I've observed >>> that john with --loopback and --regex is using almost all memory. I've >>> just found another pretext for dropping librexgen. ;-) >> >> Perhaps you confused virtual memory with actually used RAM? Wordlist and >> loopback modes normally memory-map stuff. It's not "using" memory more >> than the normal OS caches are. That is, unless someone needs it, let's >> use it. >> >> magnum >> >> > Normally (not using regex) john in loopback or wordlist mode is not > using all RAM. With regex percentage of used memory was fast increasing > and system started to swap. I've 6GB RAM on my laptop, there was more > than 2GB in swap, normally swap is almost all free. That does sound like a memory leak. Well we have an open issue for regex. It needs some serious overhaul after API changes, and there are possibly bugs in the lib. magnum
Powered by blists - more mailing lists
Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.