In the Linux kernel, the following vulnerability has been resolved: hsi: omap_ssi_core: fix missing DMA mask setup for SSI controller device The OMAP SSI driver uses a synthetic HSI controller device allocated via hsi_alloc_controller(), which does not go through the normal OF/platform device initialization path. As a result, the embedded struct device does not have a DMA mask initialized by default. After recent DMA API hardening changes, dma_map_sg() and related helpers now require a valid dma_mask to be present, otherwise the driver may crash or trigger warnings when attempting DMA mapping operations. Fix this by explicitly initializing the DMA mask for the SSI controller device and setting a 32-bit DMA mask, which matches the hardware capabilities.
https://git.kernel.org/stable/c/fbffbfdae55954213fea99c5c9856c48dc705019
https://git.kernel.org/stable/c/e8d47e309c704df95816e7442f05947424d8b33f
https://git.kernel.org/stable/c/e81250ec6b69248b00d38c523dc6a13efaf38aab
https://git.kernel.org/stable/c/a4beb841f84e0e6ad5ff3d114f43ad30165572dd
https://git.kernel.org/stable/c/9ecef057b7a7f165ce66eaf07cb4cf85d10ed9c7
https://git.kernel.org/stable/c/9963a65be2befff82b5f5a7cfcd7ac4aca081c0b
https://git.kernel.org/stable/c/6a5426f56de98faf7886702f8720828bf346a48f
https://git.kernel.org/stable/c/4e019e5e247bfe877fdf288f2d6ec1b4c850c7c6