| 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: <x49r6wckz3t.fsf@segfault.boston.devel.redhat.com> Date: Thu, 09 Nov 2006 17:57:10 -0500 From: Jeff Moyer <jmoyer@...hat.com> To: Zach Brown <zach.brown@...cle.com> Cc: Benjamin LaHaise <bcrl@...ck.org>, linux-kernel@...r.kernel.org, linux-aio@...ck.org, Arjan van de Ven <arjan@...radead.org> Subject: Re: [RFC][PATCH] Fix lock inversion aio_kick_handler() ==> On Thu, 09 Nov 2006 14:51:59 -0800, Zach Brown <zach.brown@...cle.com> said: Zach> > Zach> > Doh. Unfortunately, this patch isn't entirely correct Zach> as it > Zach> could race with > __put_ioctx() which sets Zach> ioctx->mm = NULL. Zach> > Zach> > Zach> Aha, yeah, that's what I was missing. Thanks. Zach> > Zach> > Zach> > Something like the following should do the trick: Zach> > Zach> > Zach> Cool, I'll respin and send it out. Zach> > Zach> > Did you ever resend this patch, Zach? Zach> Sadly, no. I vaguely remember thinking that the refcounting was Zach> pretty messed up in these paths and that more than just this Zach> patch was needed. I don't remember the details. Zach> Maybe I should take a look again :/. Zach> > current kernels. I'm still running into the lockdep warnings. Zach> When doing what? Working with that IO_CMD_EPOLL_WAIT patch? Yep. =) -Jeff - 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