From: Florian Westphal <f...@strlen.de>
Date: Mon, 3 Jun 2019 22:41:44 +0200
> syzbot triggered following splat when strict netlink
> validation is enabled:
>
> net/ipv4/devinet.c:1766 suspicious rcu_dereference_check() usage!
>
> This occurs because we hold RTNL mutex, but no rcu read lock.
> The second call site holds both, so just switch to the _rtnl variant.
>
> Reported-by: syzbot+bad6e32808a3a97b1...@syzkaller.appspotmail.com
> Fixes: 2638eb8b50cf ("net: ipv4: provide __rcu annotation for ifa_list")
> Signed-off-by: Florian Westphal <f...@strlen.de>
Applied.
