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
| ||
|
Date: Tue, 13 Jun 2017 16:23:57 +0800 From: Xin Long <lucien.xin@...il.com> To: Cong Wang <xiyou.wangcong@...il.com> Cc: network dev <netdev@...r.kernel.org>, Andrey Konovalov <andreyknvl@...gle.com>, Eric Dumazet <edumazet@...gle.com> Subject: Re: [Patch net] igmp: acquire pmc lock for ip_mc_clear_src() On Tue, Jun 13, 2017 at 2:35 AM, Cong Wang <xiyou.wangcong@...il.com> wrote: > On Mon, Jun 12, 2017 at 11:30 AM, Xin Long <lucien.xin@...il.com> wrote: >> Hi, Cong. >> >> how about in ip_check_mc_rcu(): >> for (psf = im->sources; psf; psf = psf->sf_next) { >> if (psf->sf_inaddr == src_addr) >> break; >> } >> >> I didn't see spinlock for it, is it safe to access them in parallel ? >> or these two places would never be in parallel ? > > That is a different bug which needs more work, therefore > I defer it to net-next. And I already explained to you why > it needs more work than just a call_rcu(). Okay, thanks Cong. Reviewed-by: Xin Long <lucien.xin@...il.com>
Powered by blists - more mailing lists