On Fri, 2023-10-27 at 12:50 +0300, Dmitry Antipov wrote: > Locals can't be used for scatterlists/DMA/etc., right? Well, a scatterlist by itself doesn't imply anything necessarily, it's just a data structure. But yes, you cannot do DMA from the stack, which seems to happen in this case, or at least can happen. johannes