netdev - Re: [PATCH] bpf: fix fds

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: <CAEf4BzY1KZ8=xMtWugvME_YwRf0GxTkQ6TN0DzoOCEi0fwRiFQ@mail.gmail.com>
Date:   Fri, 10 Jul 2020 11:46:43 -0700
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Wenbo Zhang <ethercflow@...il.com>
Cc:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] bpf: fix fds_example SIGSEGV error

On Fri, Jul 10, 2020 at 2:21 AM Wenbo Zhang <ethercflow@...il.com> wrote:
>
> The `BPF_LOG_BUF_SIZE`'s value is `UINT32_MAX >> 8`, so define an array
> with it on stack caused an overflow.
>
> Signed-off-by: Wenbo Zhang <ethercflow@...il.com>
> ---

Acked-by: Andrii Nakryiko <andriin@...com>

>  samples/bpf/fds_example.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>

[...]