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authorOBATA Akio <obache@wizdas.com>2020-07-25 11:48:24 +0900
committerSlávek Banko <slavek.banko@axis.cz>2021-02-02 01:42:20 +0100
commitb9a6202ac9fadd5d69c4a92c870dc783581568da (patch)
tree697c453cd158d97de41c39ef7a068eaafd6d654e
parentae3d63aa838bc1812e5d1e2753857d7e097f4f02 (diff)
downloadqt3-b9a6202ac9fadd5d69c4a92c870dc783581568da.tar.gz
qt3-b9a6202ac9fadd5d69c4a92c870dc783581568da.zip
Fix potentially buffer overrun related to readlink(2)
Signed-off-by: OBATA Akio <obache@wizdas.com> (cherry picked from commit 5c32919647732d0e20dc08ad4a8d24193238174f)
-rw-r--r--qmake/project.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/qmake/project.cpp b/qmake/project.cpp
index 3957144..0508c31 100644
--- 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;