From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>,
linux-kernel@vger.kernel.org
Subject: Re: [GIT PULL 7/7] stm class: Prevent division by zero
Date: Thu, 21 Feb 2019 15:42:31 +0100 [thread overview]
Message-ID: <20190221144231.GC9283@kroah.com> (raw)
In-Reply-To: <20190221134959.15121-8-alexander.shishkin@linux.intel.com>
On Thu, Feb 21, 2019 at 03:49:59PM +0200, Alexander Shishkin wrote:
> Using STP_POLICY_ID_SET ioctl command with dummy_stm device, or any STM
> device that supplies zero mmio channel size, will trigger a division by
> zero bug in the kernel.
>
> Prevent this by disallowing channel widths other than 1 for such devices.
>
> Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Fixes: tag?
stable?
next prev parent reply other threads:[~2019-02-21 14:44 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-21 13:49 [GIT PULL 0/7] stm class/intel_th: Updates for v5.1 Alexander Shishkin
2019-02-21 13:49 ` [GIT PULL 1/7] intel_th: Update ABI documentation Alexander Shishkin
2019-02-21 13:49 ` [GIT PULL 2/7] intel_th: Mark expected switch fall-throughs Alexander Shishkin
2019-02-21 13:49 ` [GIT PULL 3/7] intel_th: Only create useful device nodes Alexander Shishkin
2019-02-21 13:49 ` [GIT PULL 4/7] intel_th: pti: Use sysfs_match_string() helper Alexander Shishkin
2019-02-21 13:49 ` [GIT PULL 5/7] intel_th: Don't reference unassigned outputs Alexander Shishkin
2019-02-21 14:41 ` Greg Kroah-Hartman
2019-02-21 13:49 ` [GIT PULL 6/7] stm class: Fix an endless loop in channel allocation Alexander Shishkin
2019-02-21 14:42 ` Greg Kroah-Hartman
2019-02-21 13:49 ` [GIT PULL 7/7] stm class: Prevent division by zero Alexander Shishkin
2019-02-21 14:42 ` Greg Kroah-Hartman [this message]
2019-02-21 14:52 ` Alexander Shishkin
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