
the map, and check the buffer on each bus_dmamap_sync. This allows us to find DMA buffer overflows and UAFs, which couldn't be found before because the device accesses to memory are outside of KASAN's control.
the map, and check the buffer on each bus_dmamap_sync. This allows us to find DMA buffer overflows and UAFs, which couldn't be found before because the device accesses to memory are outside of KASAN's control.