netdev - Re: [PATCH bpf-next v3 5/8] libbpf: Use O_CLOEXEC uniformly when opening fds

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Message-ID: <6A78B53D-19AB-4880-95C3-3322F3AAAC9B@fb.com>
Date:   Fri, 15 Oct 2021 06:52:31 +0000
From:   Song Liu <songliubraving@...com>
To:     Kumar Kartikeya Dwivedi <memxor@...il.com>
CC:     bpf <bpf@...r.kernel.org>, Alexei Starovoitov <ast@...nel.org>,
        "Daniel Borkmann" <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        "Martin Lau" <kafai@...com>, Yonghong Song <yhs@...com>,
        Jesper Dangaard Brouer <brouer@...hat.com>,
        Toke Høiland-Jørgensen <toke@...hat.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH bpf-next v3 5/8] libbpf: Use O_CLOEXEC uniformly when
 opening fds



> On Oct 14, 2021, at 1:56 PM, Kumar Kartikeya Dwivedi <memxor@...il.com> wrote:
> 
> There are some instances where we don't use O_CLOEXEC when opening an
> fd, fix these up. Otherwise, it is possible that a parallel fork causes
> these fds to leak into a child process on execve.
> 
> Signed-off-by: Kumar Kartikeya Dwivedi <memxor@...il.com>

Acked-by: Song Liu <songliubraving@...com>