netdev - Re: [PATCH net] net/ipv6: respect rcu grace period before freeing fib6

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

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <20180620.075811.1654188360301606621.davem@davemloft.net>
Date:   Wed, 20 Jun 2018 07:58:11 +0900 (KST)
From:   David Miller <davem@...emloft.net>
To:     edumazet@...gle.com
Cc:     netdev@...r.kernel.org, eric.dumazet@...il.com, dsahern@...il.com
Subject: Re: [PATCH net] net/ipv6: respect rcu grace period before freeing
 fib6_info

From: Eric Dumazet <edumazet@...gle.com>
Date: Mon, 18 Jun 2018 05:24:31 -0700

> syzbot reported use after free that is caused by fib6_info being
> freed without a proper RCU grace period.
 ...
> Fixes: a64efe142f5e ("net/ipv6: introduce fib6_info struct and helpers")
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> Cc: David Ahern <dsahern@...il.com>
> Reported-by: syzbot+9e6d75e3edef427ee888@...kaller.appspotmail.com

Applied.