| 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: <20071018.223820.49264165.davem@davemloft.net> Date: Thu, 18 Oct 2007 22:38:20 -0700 (PDT) From: David Miller <davem@...emloft.net> To: herbert@...dor.apana.org.au Cc: benh@...nel.crashing.org, akpm@...ux-foundation.org, linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org, mingo@...e.hu, tglx@...utronix.de, torvalds@...ux-foundation.org, netdev@...r.kernel.org Subject: Re: [NET]: Fix possible dev_deactivate race condition From: Herbert Xu <herbert@...dor.apana.org.au> Date: Fri, 19 Oct 2007 13:36:24 +0800 > [NET]: Fix possible dev_deactivate race condition > > The function dev_deactivate is supposed to only return when > all outstanding transmissions have completed. Unfortunately > it is possible for store operations in the driver's transmit > function to only become visible after dev_deactivate returns. > > This patch fixes this by taking the queue lock after we see > the end of the queue run. This ensures that all effects of > any previous transmit calls are visible. > > If however we detect that there is another queue run occuring, > then we'll warn about it because this should never happen as > we have pointed dev->qdisc to noop_qdisc within the same queue > lock earlier in the functino. > > Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au> Applied, thanks Herbert! - 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