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arm: mvebu: Check that kwbimage offset and blocksize are valid

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There are certain restrictions for kwbimage offset and blocksize.
Validate them.

Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Pali Rohár 2022-01-14 14:31:37 +01:00 committed by Stefan Roese
parent 4364071362
commit 66f874855c
1 changed files with 12 additions and 0 deletions
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12
arch/arm/mach-mvebu/spl.c
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@ -162,6 +162,18 @@ int spl_parse_board_header(struct spl_image_info *spl_image,
spl_image->offset *= 512;
#endif
if (spl_image->offset % 4 != 0) {
printf("ERROR: Wrong srcaddr (0x%08x) in kwbimage\n",
spl_image->offset);
return -EINVAL;
}
if (mhdr->blocksize <= 4 || mhdr->blocksize % 4 != 0) {
printf("ERROR: Wrong blocksize (0x%08x) in kwbimage\n",
mhdr->blocksize);
return -EINVAL;
}
spl_image->size = mhdr->blocksize;
spl_image->entry_point = mhdr->execaddr;
spl_image->load_addr = mhdr->destaddr;