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

From: Dave Young
Date: Fri Jun 10 2011 - 05:51:58 EST


On Fri, Jun 10, 2011 at 1:19 AM, Alexey Dobriyan <adobriyan@xxxxxxxxx> wrote:
> On Wed, Jun 8, 2011 at 11:45 PM, Â<akpm@xxxxxxxxxxxxxxxxxxxx> 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
>> Â{
>> Â Â Â Âstruct do_proc_dointvec_minmax_conv_param param = {
>> Â Â Â Â Â Â Â Â.min = &zero,
>> + Â Â Â Â Â Â Â .max = (int *) table->extra2,
>> Â Â Â Â};
>> Â Â Â Âreturn do_proc_dointvec(table, write, buffer, lenp, ppos,
>> Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Âdo_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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