Messages in this thread | | | Date | Wed, 5 Jun 2013 16:03:22 +0900 | From | Minchan Kim <> | Subject | Re: [PATCH v2 08/10] zram: protect sysfs handler from invalid memory access |
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On Wed, Jun 05, 2013 at 12:06:06AM +0800, Jiang Liu wrote: > Use zram->init_lock to protect access to zram->meta, otherwise it > may cause invalid memory access if zram->meta has been freed by > zram_reset_device(). > > This issue may be triggered by: > Thread 1: > while true; do cat mem_used_total; done > Thread 2: > while true; do echo 8M > disksize; echo 1 > reset; done > > Signed-off-by: Jiang Liu <jiang.liu@huawei.com> > Cc: stable@vger.kernel.org
Acked-by: Minchan Kim <minchan@kernel.org>
-- Kind regards, Minchan Kim
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