[PATCH 1/3] accel/ivpu: Fix general protection fault in ivpu_bo_list()

[Jeffrey Hugo]

On 12/10/2024 6:09 AM, Jacek Lawrynowicz wrote:
> Check if ctx is not NULL before accessing its fields.
> 
> Fixes: 37dee2a2f433 ("accel/ivpu: Improve buffer object debug logs")
> Cc: <stable at vger.kernel.org> # v6.8
> Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz at linux.intel.com>
> Reviewed-by: Karol Wachowski <karol.wachowski at intel.com>
> ---
>   drivers/accel/ivpu/ivpu_gem.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/accel/ivpu/ivpu_gem.c b/drivers/accel/ivpu/ivpu_gem.c
> index d8e97a760fbc0..16178054e6296 100644
> --- a/drivers/accel/ivpu/ivpu_gem.c
> +++ b/drivers/accel/ivpu/ivpu_gem.c
> @@ -409,7 +409,7 @@ static void ivpu_bo_print_info(struct ivpu_bo *bo, struct drm_printer *p)
>   	mutex_lock(&bo->lock);
>   
>   	drm_printf(p, "%-9p %-3u 0x%-12llx %-10lu 0x%-8x %-4u",
> -		   bo, bo->ctx->id, bo->vpu_addr, bo->base.base.size,
> +		   bo, bo->ctx ? bo->ctx->id : 0, bo->vpu_addr, bo->base.base.size,
>   		   bo->flags, kref_read(&bo->base.base.refcount));
>   
>   	if (bo->base.pages)

Reviewed-by: Jeffrey Hugo <quic_jhugo at quicinc.com>