linux-kernel - Re: + sysctl-add-proc_dointvec_unsigned-handler-update.patch added to -mm tree

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Message-ID: <BANLkTimPT-LEsEs34dvPZNbVKnwCT8ck6g@mail.gmail.com>
Date:	Fri, 10 Jun 2011 17:51:50 +0800
From:	Dave Young <hidave.darkstar@...il.com>
To:	Alexey Dobriyan <adobriyan@...il.com>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	ebiederm@...ssion.com
Subject: Re: + sysctl-add-proc_dointvec_unsigned-handler-update.patch added to
 -mm tree

On Fri, Jun 10, 2011 at 1:19 AM, Alexey Dobriyan <adobriyan@...il.com> wrote:
> On Wed, Jun 8, 2011 at 11:45 PM,  <akpm@...ux-foundation.org> wrote:
>> --- a/kernel/sysctl.c~sysctl-add-proc_dointvec_unsigned-handler-update
>> +++ a/kernel/sysctl.c
>> @@ -2515,6 +2515,7 @@ int proc_dointvec_unsigned(struct ctl_ta
>>  {
>>        struct do_proc_dointvec_minmax_conv_param param = {
>>                .min = &zero,
>> +               .max = (int *) table->extra2,
>>        };
>>        return do_proc_dointvec(table, write, buffer, lenp, ppos,
>>                                do_proc_dointvec_minmax_conv, &param);
>
> This is still buggybecause "zero" is only 1 variable and max can be an array.
> Sysctl boundary comparisons are done element-by-element.

Where's the array use case?

-- 
Regards
dave
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