From: Todd C. Miller <Todd.Miller@courtesan.com>
Date: Thu, 14 Feb 2013 21:34:13 +0000 (-0500)
Subject: If a line was longer that 0x80000000 the bit hack to round to the
X-Git-Tag: SUDO_1_8_7~1^2~229
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0f0ef228a5d198740c81433e6c8b32f1f6d50590;p=sudo

If a line was longer that 0x80000000 the bit hack to round to the
next power of two would roll over to zero.
---

diff --git a/common/fileops.c b/common/fileops.c
index e06b82cdd..577bf10a4 100644
--- a/common/fileops.c
+++ b/common/fileops.c
@@ -204,11 +204,11 @@ sudo_parseln(char **bufp, size_t *bufsizep, unsigned int *lineno, FILE *fp)
 
 	if (*bufp == NULL || total + len >= *bufsizep) {
 	    void *tmp;
-	    unsigned int size = total + len + 1;
+	    size_t size = total + len + 1;
 
 	    if (size < 64) {
 		size = 64;
-	    } else {
+	    } else if (size <= 0x80000000) {
 		/* Round up to next highest power of two. */
 		size--;
 		size |= size >> 1;