[PATCH] tools: kwbimage: Verify maximal kwbimage header size

BootROM loads kwbimage header to L2-SRAM and BootROM reserve only 192 kB for it.

Signed-off-by: Pali Rohár pali@kernel.org --- tools/kwbimage.c | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/tools/kwbimage.c b/tools/kwbimage.c index 94b768539222..6abb9f2d5c01 100644 --- a/tools/kwbimage.c +++ b/tools/kwbimage.c @@ -1969,6 +1969,9 @@ static int kwbimage_verify_header(unsigned char *ptr, int image_size, uint32_t size; uint8_t csum;

+ if (header_size > 192*1024) + return -FDT_ERR_BADSTRUCTURE; + if (header_size > image_size) return -FDT_ERR_BADSTRUCTURE;