[PATCH][next] drm/nouveau/gsp: Fix potential integer overflow on integer shifts

Danilo Krummrich dakr at kernel.org
Fri Jun 13 15:45:59 UTC 2025


On 5/22/25 3:15 PM, Colin Ian King wrote:
> The left shift int 32 bit integer constants 1 is evaluated using 32 bit
> arithmetic and then assigned to a 64 bit unsigned integer. In the case
> where the shift is 32 or more this can lead to an overflow. Avoid this
> by shifting using the BIT_ULL macro instead.
> 
> Fixes: 6c3ac7bcfcff ("drm/nouveau/gsp: support deeper page tables in COPY_SERVER_RESERVED_PDES")
> 
> Signed-off-by: Colin Ian King <colin.i.king at gmail.com>

Applied to drm-misc-fixes, thanks!


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