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: Mon, 1 Aug 2022 19:58:45 -0400 From: Alexander Aring <aahringo@...hat.com> To: Miquel Raynal <miquel.raynal@...tlin.com> Cc: Alexander Aring <alex.aring@...il.com>, Stefan Schmidt <stefan@...enfreihafen.org>, linux-wpan - ML <linux-wpan@...r.kernel.org>, "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Eric Dumazet <edumazet@...gle.com>, Network Development <netdev@...r.kernel.org>, David Girault <david.girault@...vo.com>, Romuald Despres <romuald.despres@...vo.com>, Frederic Blain <frederic.blain@...vo.com>, Nicolas Schodet <nico@...fr.eu.org>, Thomas Petazzoni <thomas.petazzoni@...tlin.com> Subject: Re: [PATCH wpan-next 19/20] ieee802154: hwsim: Do not check the rtnl Hi, On Tue, Jul 5, 2022 at 9:23 PM Alexander Aring <aahringo@...hat.com> wrote: > > Hi, > > On Fri, Jul 1, 2022 at 10:37 AM Miquel Raynal <miquel.raynal@...tlin.com> wrote: > > > > There is no need to ensure the rtnl is locked when changing a driver's > > channel. This cause issues when scanning and this is the only driver > > relying on it. Just drop this dependency because it does not seem > > legitimate. > > > > switching channels relies on changing pib attributes, pib attributes > are protected by rtnl. If you experience issues here then it's > probably because you do something wrong. All drivers assuming here > that rtnl lock is held. especially this change could end in invalid free. Maybe we can solve this problem in a different way, what exactly is the problem by helding rtnl lock? - Alex
Powered by blists - more mailing lists