Re: [PATCH 5.15 116/168] zram: fix uninitialized ZRAM not releasing backing device

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On (25/01/06 16:17), Greg Kroah-Hartman wrote:
> 5.15-stable review patch.  If anyone has any objections, please let me know.
> 
> ------------------
> 
> From: Kairui Song <kasong@xxxxxxxxxxx>
> 
> [ Upstream commit 74363ec674cb172d8856de25776c8f3103f05e2f ]
> 
> Setting backing device is done before ZRAM initialization.  If we set the
> backing device, then remove the ZRAM module without initializing the
> device, the backing device reference will be leaked and the device will be
> hold forever.
> 
> Fix this by always reset the ZRAM fully on rmmod or reset store.
> 
> Link: https://lkml.kernel.org/r/20241209165717.94215-3-ryncsn@xxxxxxxxx
> Fixes: 013bf95a83ec ("zram: add interface to specif backing device")
> Signed-off-by: Kairui Song <kasong@xxxxxxxxxxx>
> Reported-by: Desheng Wu <deshengwu@xxxxxxxxxxx>
> Suggested-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
> Reviewed-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx>
> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

Can we please drop this patch?




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