netdev - Re: [PATCH net] bpf: fix lockdep splat

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: <ea7fe24e-8d56-348e-bb44-d4f306e61b8a@iogearbox.net>
Date:   Wed, 15 Nov 2017 13:11:06 +0100
From:   Daniel Borkmann <daniel@...earbox.net>
To:     Eric Dumazet <eric.dumazet@...il.com>,
        David Miller <davem@...emloft.net>
Cc:     netdev <netdev@...r.kernel.org>,
        Alexei Starovoitov <ast@...nel.org>
Subject: Re: [PATCH net] bpf: fix lockdep splat

On 11/15/2017 02:15 AM, Eric Dumazet wrote:
> From: Eric Dumazet <edumazet@...gle.com>
> 
> pcpu_freelist_pop() needs the same lockdep awareness than
> pcpu_freelist_populate() to avoid a false positive.
> 
>  [ INFO: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected ]
> 
[...]
> Fixes: e19494edab82 ("bpf: introduce percpu_freelist")
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Already got applied, but fwiw:

Acked-by: Daniel Borkmann <daniel@...earbox.net>

Thanks, Eric!