diff options
| -rw-r--r-- | core/flash.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/core/flash.c b/core/flash.c index bfa4a72..67c39c2 100644 --- a/core/flash.c +++ b/core/flash.c @@ -631,6 +631,10 @@ static int flash_load_resource(enum resource_id id, uint32_t subid, prlog(PR_DEBUG,"FLASH: %s partition %s ECC\n", name, ecc ? "has" : "doesn't have"); + /* + * FIXME: Make the fact we don't support partitions smaller than 4K + * more explicit. + */ if (ffs_part_size < SECURE_BOOT_HEADERS_SIZE) { prerror("FLASH: secboot headers bigger than " "partition size 0x%x\n", ffs_part_size); @@ -668,6 +672,13 @@ static int flash_load_resource(enum resource_id id, uint32_t subid, goto out_free_ffs; } + if (*len > ffs_part_size) { + prerror("FLASH: Cannot load %s. Content is larger than the partition\n", + name); + rc = OPAL_PARAMETER; + goto out_free_ffs; + } + ffs_part_start += SECURE_BOOT_HEADERS_SIZE; rc = blocklevel_read(flash->bl, ffs_part_start, bufp, |