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Message-ID: <20201019131843.GB26718@alley>
Date:   Mon, 19 Oct 2020 15:18:43 +0200
From:   Petr Mladek <pmladek@...e.com>
To:     Matteo Croce <mcroce@...ux.microsoft.com>
Cc:     linux-kernel@...r.kernel.org, Guenter Roeck <linux@...ck-us.net>,
        Arnd Bergmann <arnd@...db.de>, Mike Rapoport <rppt@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Pavel Tatashin <pasha.tatashin@...een.com>,
        Robin Holt <robinmholt@...il.com>,
        Fabian Frederick <fabf@...net.be>, stable@...r.kernel.org
Subject: Re: [PATCH 1/2] reboot: fix overflow parsing reboot cpu number

On Fri 2020-10-16 20:09:06, Matteo Croce wrote:
> From: Matteo Croce <mcroce@...rosoft.com>
> 
> Limit the CPU number to num_possible_cpus(), because setting it
> to a value lower than INT_MAX but higher than NR_CPUS produces the
> following error on reboot and shutdown:
> 
> Fixes: 1b3a5d02ee07 ("reboot: move arch/x86 reboot= handling to generic kernel")
> Signed-off-by: Matteo Croce <mcroce@...rosoft.com>

Reviewed-by: Petr Mladek <pmladek@...e.com>

Best Regards,
Petr

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