Re: [PATCH v5.4] dm: limit the number of targets and parameter size area

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On Tue, Apr 30, 2024 at 02:02:59PM +0530, Srish Srinivasan wrote:
> From: Mikulas Patocka <mpatocka@xxxxxxxxxx>
> 
> commit bd504bcfec41a503b32054da5472904b404341a4 upstream.
> 
> The kvmalloc function fails with a warning if the size is larger than
> INT_MAX. The warning was triggered by a syscall testing robot.
> 
> In order to avoid the warning, this commit limits the number of targets to
> 1048576 and the size of the parameter area to 1073741824.
> 
> Signed-off-by: Mikulas Patocka <mpatocka@xxxxxxxxxx>
> Signed-off-by: Mike Snitzer <snitzer@xxxxxxxxxx>
> Signed-off-by: He Gao <hegao@xxxxxxxxxx>
> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> [srish: Apply to stable branch linux-5.4.y]
> Signed-off-by: Srish Srinivasan <srish.srinivasan@xxxxxxxxxxxx>

Now queued up, thanks.

greg k-h




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