Fix potentially buffer overrun related to readlink(2)

Signed-off-by: OBATA Akio <obache@wizdas.com> (cherry picked from commit 5c32919647)
5 years ago · 6da58c8804
parent ccb28f09f4
commit 6da58c8804
1 changed files with 1 additions and 1 deletions
--- a/qmake/project.cpp
+++ b/qmake/project.cpp
@ -724,7 +724,7 @@ QMakeProject::isActiveConfig(const QString &x, bool regex, QMap<QString, QString
 	static char *buffer = NULL;
 	if(!buffer)
 	    buffer = (char *)malloc(1024);
-	int l = readlink(Option::mkfile::qmakespec, buffer, 1024);
+	int l = readlink(Option::mkfile::qmakespec, buffer, 1023);
 	if(l != -1) {
 	    buffer[l] = '\0';
 	    QString r = buffer;