commit ce39f484a61a805563fc90eaaf3960be79c471a6
author Ashish Bhimanpalliwar <abhiman@codeaurora.org> Tue Oct 06 15:27:37 2020 +0530
committer Gerrit - the friendly Code Review server <code-review@localhost> Sun Nov 15 16:33:12 2020 -0800
tree 8df026b2e591690efbafb7c11ea512396331e518
parent a0ba913c0e3cd5fd3ffacdd0d4cadad8616ee047

app: aboot :Corrected overflow check in splash_screen_mmc

Add proper check for overflow in spalsh_screen_mmc

Change-Id: I89fe73aad095ecd3cb5fa52048b26560fddcf45f
Signed-off-by: Ashish Bhimanpalliwar <abhiman@codeaurora.org>

app/aboot/aboot.c

diff --git a/app/aboot/aboot.c b/app/aboot/aboot.c
index f0158ab..dca4810 100644
--- a/app/aboot/aboot.c
+++ b/app/aboot/aboot.c
@@ -4812,7 +4812,7 @@
 
 	if (fb_display) {
 		if (header->type && (header->blocks != 0) &&
-			(UINT_MAX >= header->blocks * 512 + LOGO_IMG_HEADER_SIZE) &&
+			(((UINT_MAX - LOGO_IMG_HEADER_SIZE) / 512) >= header->blocks) &&
 			((header->blocks * 512) <=  (fb_display->width *
 			fb_display->height * (fb_display->bpp / 8)))) {
 			/* 1 RLE24 compressed data */