linux-kernel - Re: [PATCH 3/3] sysctl: report EINVAL if value is larger than UINT_MAX for proc

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Message-ID: <CA+55aFy7Ka12nwTwXiTv=Krikjau8eyMBWwhV1pvSue8AC9R7g@mail.gmail.com>
Date:   Sat, 8 Apr 2017 10:21:21 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     "Eric W. Biederman" <ebiederm@...ssion.com>
Cc:     Liping Zhang <zlpnobody@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Ingo Molnar <mingo@...nel.org>,
        David Miller <davem@...emloft.net>,
        Subash Abhinov Kasiviswanathan <subashab@...eaurora.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Liping Zhang <zlpnobody@...il.com>
Subject: Re: [PATCH 3/3] sysctl: report EINVAL if value is larger than
 UINT_MAX for proc_douintvec

On Fri, Apr 7, 2017 at 2:01 PM, Eric W. Biederman <ebiederm@...ssion.com> wrote:
>
> Except that doesn't help in this case.  The function do_uintvec_conv
> rules already rejects all negative values on write.  So -1 is already
> rejected.

Oh, I should have noticed that.

So yes, that patch looks good too. Will apply.

             Linus