Re: [PATCH v2 0/2] fix parsing of reboot= cmdline

Greg KH
2020-10-27T13:41:43Z

On Tue, Oct 27, 2020 at 02:35:43PM +0100, Matteo Croce wrote:
> From: Matteo Croce <mcroce@microsoft.com>
>
> The parsing of the reboot= cmdline has two major errors:
> - a missing bound check can crash the system on reboot
> - parsing of the cpu number only works if specified last
>
> Fix both, along with a small code refactor.
>
> v1->v2:
> As Petr suggested, don't force base 10 in simple_strtoul(),
> so hex values are accepted as well.
>
> Matteo Croce (2):
> reboot: fix overflow parsing reboot cpu number
> reboot: fix parsing of reboot cpu number
>
> kernel/reboot.c | 24 +++++++++++++-----------
> 1 file changed, 13 insertions(+), 11 deletions(-)
>
> --
> 2.28.0
>

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree. Please read:
https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.