Re: [PATCH 0/2] sysctl: fix range-checking in do_proc_dointvec_minmax_conv()

[Zev Weiss]

Ping...any thoughts on these patches?  (May have slipped through the 
cracks over people's holiday vacations I'd guess.)

Thanks,
Zev

On Thu, Dec 27, 2018 at 05:12:28AM CST, Zev Weiss wrote:
> Hello,
>
> After being left with an unusable system after a typo executing
> something like 'echo $((1<<24)) > /proc/sys/vm/max_map_count', I found
> that do_proc_dointvec_minmax_conv() was missing a check to ensure that
> the converted value actually fits in an int.
>
> The first of the following patches enhances the sysctl selftest such
> that it detects this problem; the second fixes it (wasn't entirely
> sure if this would meet the criteria of something that should be sent
> to -stable; input welcome).
>
>
> Thanks,
> Zev Weiss