linux-kernel - Re: [PATCH 9/9] bpf: make bpf_check_uarg_tail_zero() use check_zeroed

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Message-ID: <20200531163528.uzdziatmpglluls4@ast-mbp.dhcp.thefacebook.com>
Date:   Sun, 31 May 2020 09:35:28 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Al Viro <viro@...IV.linux.org.uk>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        Alexei Starovoitov <ast@...nel.org>, bpf@...r.kernel.org
Subject: Re: [PATCH 9/9] bpf: make bpf_check_uarg_tail_zero() use
 check_zeroed_user()

On Sat, May 30, 2020 at 12:28:14AM +0100, Al Viro wrote:
> From: Al Viro <viro@...iv.linux.org.uk>
> 
> ... rather than open-coding it, and badly, at that.
> 
> Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
> ---
>  kernel/bpf/syscall.c | 25 ++++++-------------------
>  1 file changed, 6 insertions(+), 19 deletions(-)

lgtm
Acked-by: Alexei Starovoitov <ast@...nel.org>