| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <m1slbd5n7u.fsf@ebiederm.dsl.xmission.com> Date: Fri, 06 Apr 2007 13:15:01 -0600 From: ebiederm@...ssion.com (Eric W. Biederman) To: "H. Peter Anvin" <hpa@...or.com> Cc: Linus Torvalds <torvalds@...ux-foundation.org>, Oleg Nesterov <oleg@...sign.ru>, Robin Holt <holt@....com>, Chris Snook <csnook@...hat.com>, Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org Subject: Re: init's children list is long and slows reaping children. "H. Peter Anvin" <hpa@...or.com> writes: > Eric W. Biederman wrote: >> >> Oleg is coming from a different case where it was found that exiting kernel >> threads were causing problems for nash when nash was run as init in an >> initramfs. While I think that case is likely a user space bug because >> nash should check the pid from waidpid before assuming the process it >> was waiting for returned. >> > > Are you saying waitpid() (wait4) *with a pid specified* can return another pid? > That definitely sounds like a bug. No. For the full context look back a couple of messages. I'm guessing the issue is nash just calls wait and doesn't check the returned pid value, assuming it is the only child it forked returning. Which is valid except when you are running as pid == 1. Eric - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists