linux-kernel - Re: [PATCH] bpf: hide do_bpf_send

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

Date:   Mon, 17 Jun 2019 16:27:33 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Matt Mullins <mmullins@...com>
Cc:     "rostedt@...dmis.org" <rostedt@...dmis.org>,
        Song Liu <songliubraving@...com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "daniel@...earbox.net" <daniel@...earbox.net>,
        "bpf@...r.kernel.org" <bpf@...r.kernel.org>,
        "ast@...nel.org" <ast@...nel.org>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Martin Lau <kafai@...com>, Yonghong Song <yhs@...com>,
        "arnd@...db.de" <arnd@...db.de>, Andrii Nakryiko <andriin@...com>
Subject: Re: [PATCH] bpf: hide do_bpf_send_signal when unused

On Mon, Jun 17, 2019 at 4:13 PM Matt Mullins <mmullins@...com> wrote:
> >
> > The bug (really just a warning) reported is exactly here.
>
> I don't think bpf_send_signal is tied to modules at all;
> send_signal_irq_work_init and the corresponding initcall should be
> moved outside that #ifdef.

right. I guess send_signal_irq_work_init was accidentally placed
after bpf_event_init and happened to be within that ifdef.
Should definitely be outside.