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 PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Wed, 21 Mar 2007 08:11:13 +0100 From: Ingo Molnar <mingo@...e.hu> To: Deepak Saxena <dsaxena@...xity.net> Cc: samuel@...tiz.org, netdev@...r.kernel.org, Andrew Morton <akpm@...l.org>, Daniel Walker <dwalker@...sta.com> Subject: Re: [PATCH -rt] Fix initialization of spinlock in irttp_dup() * Deepak Saxena <dsaxena@...xity.net> wrote: > This was found around the 2.6.10 timeframe when testing with the -rt > patch and I believe is still is an issue. irttp_dup() does a memcpy() > of the tsap_cb structure causing the spinlock protecting various > fields in the structure to be duped. This works OK in the non-RT case > but in the RT case we end up with two mutexes pointing to the same > wait_list and leading to an OOPS. Fix is to simply initialize the > spinlock after the memcpy(). note that memcpy based lock initialization is a problem for lockdep too. Ingo - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists