From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
To: Minchan Kim <minchan@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org,
Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
kernel-team@lge.com, stable@vger.kernel.org
Subject: Re: [PATCH 1/3] zram: fix operator precedence to get offset
Date: Mon, 17 Apr 2017 10:21:34 +0900 [thread overview]
Message-ID: <20170417012134.GB518@jagdpanzerIV.localdomain> (raw)
In-Reply-To: <1492042622-12074-1-git-send-email-minchan@kernel.org>
On (04/13/17 09:17), Minchan Kim wrote:
> Date: Thu, 13 Apr 2017 09:17:00 +0900
> From: Minchan Kim <minchan@kernel.org>
> To: Andrew Morton <akpm@linux-foundation.org>
> CC: linux-kernel@vger.kernel.org, Sergey Senozhatsky
> <sergey.senozhatsky@gmail.com>, kernel-team@lge.com, Minchan Kim
> <minchan@kernel.org>, stable@vger.kernel.org
> Subject: [PATCH 1/3] zram: fix operator precedence to get offset
> X-Mailer: git-send-email 2.7.4
>
> In zram_rw_page, the logic to get offset is wrong by operator precedence
> (i.e., "<<" is higher than "&"). With wrong offset, zram can corrupt the
> user's data. This patch fixes it.
>
> Fixes: 8c7f01025 ("zram: implement rw_page operation of zram")
> Cc: stable@vger.kernel.org
> Signed-off-by: Minchan Kim <minchan@kernel.org>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com
-ss
prev parent reply other threads:[~2017-04-17 1:21 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-13 0:17 [PATCH 1/3] zram: fix operator precedence to get offset Minchan Kim
2017-04-13 0:17 ` [PATCH 2/3] zram: do not use copy_page with non-page alinged address Minchan Kim
2017-04-14 5:41 ` Sergey Senozhatsky
2017-04-14 15:40 ` Minchan Kim
2017-04-17 1:48 ` Sergey Senozhatsky
2017-04-13 0:17 ` [PATCH 3/3] zsmalloc: expand class bit Minchan Kim
2017-04-14 5:07 ` [PATCH 1/3] zram: fix operator precedence to get offset Sergey Senozhatsky
2017-04-14 15:33 ` Minchan Kim
2017-04-17 1:21 ` Sergey Senozhatsky
2017-04-17 1:54 ` Sergey Senozhatsky
2017-04-17 2:14 ` Minchan Kim
2017-04-17 10:50 ` Sergey Senozhatsky
2017-04-17 10:53 ` Sergey Senozhatsky
2017-04-17 23:53 ` Minchan Kim
2017-04-18 1:53 ` Sergey Senozhatsky
2017-04-18 2:47 ` Minchan Kim
2017-04-17 1:21 ` Sergey Senozhatsky [this message]
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