linux-kernel - Re: [PATCH bpf v7 1/2] lib/strncpy_from_user.c: Don't overcopy bytes after NUL terminator

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Message-ID: <20201119184424.deufdcmxymd6ep7j@ast-mbp>
Date:   Thu, 19 Nov 2020 10:44:24 -0800
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Daniel Xu <dxu@...uu.xyz>, bpf <bpf@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Song Liu <songliubraving@...com>,
        Andrii Nakryiko <andrii.nakryiko@...il.com>,
        Kernel Team <kernel-team@...com>
Subject: Re: [PATCH bpf v7 1/2] lib/strncpy_from_user.c: Don't overcopy bytes
 after NUL terminator

On Thu, Nov 19, 2020 at 10:40:21AM -0800, Linus Torvalds wrote:
> On Thu, Nov 19, 2020 at 10:34 AM Alexei Starovoitov
> <alexei.starovoitov@...il.com> wrote:
> >
> > ping.
> 
> I'm ok with this series that adds explanations for why you care and
> what bpf does that makes it valid.

Great.

> So this one you can put in the bpf tree.
> 
> Or, if you want me to just apply it as a series, I can do that too, I
> just generally assume that when there's a git tree I usually get
> things from, that's the default, so then it needs ot be a very loud
> and explicit "Linus, can you apply this directly".

Right. The set will go through the normal bpf.git->net.git route to make
sure it is tested by humans and CIs.
Thanks!