From: Greg KH <gregkh@linuxfoundation.org>
To: Matteo Croce <mcroce@linux.microsoft.com>
Cc: linux-kernel@vger.kernel.org, Guenter Roeck <linux@roeck-us.net>,
Petr Mladek <pmladek@suse.com>, Arnd Bergmann <arnd@arndb.de>,
Mike Rapoport <rppt@kernel.org>,
Kees Cook <keescook@chromium.org>,
Pavel Tatashin <pasha.tatashin@soleen.com>,
Robin Holt <robinmholt@gmail.com>,
Fabian Frederick <fabf@skynet.be>,
stable@vger.kernel.org
Subject: Re: [PATCH v2 0/2] fix parsing of reboot= cmdline
Date: Tue, 27 Oct 2020 14:42:24 +0100 [thread overview]
Message-ID: <20201027134224.GA991306@kroah.com> (raw)
In-Reply-To: <20201027133545.58625-1-mcroce@linux.microsoft.com>
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.
</formletter>
prev parent reply other threads:[~2020-10-27 13:41 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-27 13:35 [PATCH v2 0/2] fix parsing of reboot= cmdline Matteo Croce
2020-10-27 13:35 ` [PATCH v2 1/2] reboot: fix overflow parsing reboot cpu number Matteo Croce
2020-10-27 13:42 ` Greg KH
2020-10-30 14:13 ` Petr Mladek
2020-10-30 14:18 ` Matteo Croce
2020-10-27 13:35 ` [PATCH v2 2/2] reboot: fix parsing of " Matteo Croce
2020-10-27 13:42 ` Greg KH
2020-10-30 14:30 ` Petr Mladek
2020-11-01 1:57 ` Matteo Croce
2020-11-02 11:01 ` Petr Mladek
2020-11-03 11:43 ` Matteo Croce
2020-11-03 14:25 ` Petr Mladek
2020-11-03 15:43 ` Matteo Croce
2020-11-03 16:22 ` Petr Mladek
2020-10-27 13:42 ` Greg KH [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20201027134224.GA991306@kroah.com \
--to=gregkh@linuxfoundation.org \
--cc=arnd@arndb.de \
--cc=fabf@skynet.be \
--cc=keescook@chromium.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux@roeck-us.net \
--cc=mcroce@linux.microsoft.com \
--cc=pasha.tatashin@soleen.com \
--cc=pmladek@suse.com \
--cc=robinmholt@gmail.com \
--cc=rppt@kernel.org \
--cc=stable@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox