Only image versions 0 and 1 are supported. Verify it in kwbimage_verify_header() function.
Signed-off-by: Pali Rohár pali@kernel.org --- tools/kwbimage.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/tools/kwbimage.c b/tools/kwbimage.c index 4bff02bb3fb5..80aae8a6b619 100644 --- a/tools/kwbimage.c +++ b/tools/kwbimage.c @@ -1690,9 +1690,7 @@ static int kwbimage_verify_header(unsigned char *ptr, int image_size, if (checksum != ext_hdr->checksum) return -FDT_ERR_BADSTRUCTURE; } - } - - if (image_version((void *)ptr) == 1) { + } else if (image_version((void *)ptr) == 1) { struct main_hdr_v1 *mhdr = (struct main_hdr_v1 *)ptr; uint32_t offset; uint32_t size; @@ -1762,6 +1760,8 @@ static int kwbimage_verify_header(unsigned char *ptr, int image_size, if (image_checksum32(ptr + offset, size - 4) != *(uint32_t *)(ptr + offset + size - 4)) return -FDT_ERR_BADSTRUCTURE; + } else { + return -FDT_ERR_BADSTRUCTURE; }
return 0;