Re: [PATCH] zram: fix potential UAF of zram table

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On (25/01/07 14:54), Kairui Song wrote:
> From: Kairui Song <kasong@xxxxxxxxxxx>
> 
> If zram_meta_alloc failed early, it frees allocated zram->table without
> setting it NULL. Which will potentially cause zram_meta_free to access
> the table if user reset an failed and uninitialized device.
> 
> Fixes: 74363ec674cb ("zram: fix uninitialized ZRAM not releasing backing device")
> Cc: <stable@xxxxxxxxxxxxxxx>
> Signed-off-by: Kairui Song <kasong@xxxxxxxxxxx>

Reviewed-by:  Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>




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