From: a.adaszkiewi <a.adaszkiewi@samsung.com>
Date: Fri, 28 Feb 2025 09:38:38 +0000 (+0100)
Subject: upgrade-apply: Fix parsing overflow
X-Git-Tag: accepted/tizen/unified/20250304.070213^0
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=refs%2Fheads%2Faccepted%2Ftizen_unified_x;p=platform%2Fcore%2Fsystem%2Fupgrade.git

upgrade-apply: Fix parsing overflow

Previous mask was equal to max 32-bit signed int, resulting in an
overflow for larger values.

Change-Id: I2ecf7d37928522fb22f888fae485731cca5aef24
---

diff --git a/src/upgrade-apply/patch/patch.c b/src/upgrade-apply/patch/patch.c
index 93989ae..5fb9da6 100644
--- a/src/upgrade-apply/patch/patch.c
+++ b/src/upgrade-apply/patch/patch.c
@@ -298,7 +298,7 @@ static int64_t parse_ssint(unsigned char *buff)
      * (In other words, an INTEGER is a 64-byte signed integer in sign-magnitude
      * format, stored in little-endian byte order.)
      */
-    int64_t result = *(int64_t*)buff & 0x7fffffff;
+    int64_t result = *(int64_t*)buff & 0x7fffffffffffffff;
     if ((buff[7] & 0x80) != 0)
         result = -result;