Fix overflow in offset variable
In the TLV iterator code a variable is used to save the offset in flash
where the protected TLVs end; this was declared as uint16_t and could
easily overflow so fix it by updating the type to uint32_t.
Signed-off-by: Fabio Utzig <utzig@apache.org>
diff --git a/boot/bootutil/include/bootutil/image.h b/boot/bootutil/include/bootutil/image.h
index 54d87c3..c41e0fd 100644
--- a/boot/bootutil/include/bootutil/image.h
+++ b/boot/bootutil/include/bootutil/image.h
@@ -151,7 +151,7 @@
const struct flash_area *fap;
uint8_t type;
bool prot;
- uint16_t prot_end;
+ uint32_t prot_end;
uint32_t tlv_off;
uint32_t tlv_end;
};