From cbd0043e2093dc9889c696630c118dd7505ec7c7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Pali=20Roh=C3=A1r?= Date: Sun, 18 Sep 2022 18:39:18 +0200 Subject: [PATCH] tools: kwbimage: Verify maximal kwbimage header size MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit BootROM loads kwbimage header to L2-SRAM and BootROM reserve only 192 kB for it. Signed-off-by: Pali Rohár Reviewed-by: Stefan Roese --- tools/kwbimage.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/kwbimage.c b/tools/kwbimage.c index 94b7685392..6abb9f2d5c 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;