diff options
| -rw-r--r-- | src/drivers/intel/fsp2_0/silicon_init.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/drivers/intel/fsp2_0/silicon_init.c b/src/drivers/intel/fsp2_0/silicon_init.c index e72e4ac163..ecc6e96ace 100644 --- a/src/drivers/intel/fsp2_0/silicon_init.c +++ b/src/drivers/intel/fsp2_0/silicon_init.c @@ -39,9 +39,17 @@ static void do_silicon_init(struct fsp_header *hdr) die_with_post_code(POST_INVALID_VENDOR_BINARY, "Invalid FSPS signature\n"); - upd = xmalloc(sizeof(FSPS_UPD)); + /* Disallow invalid config regions. Default settings are likely bad + * choices for coreboot, and different sized UPD from what the region + * allows is potentially a build problem. + */ + if (!hdr->cfg_region_size || hdr->cfg_region_size != sizeof(FSPS_UPD)) + die_with_post_code(POST_INVALID_VENDOR_BINARY, + "Invalid FSPS UPD region\n"); + + upd = xmalloc(hdr->cfg_region_size); - memcpy(upd, supd, sizeof(FSPS_UPD)); + memcpy(upd, supd, hdr->cfg_region_size); /* Give SoC/mainboard a chance to populate entries */ platform_fsp_silicon_init_params_cb(upd); |