2 files changed, 4 insertions, 3 deletions
diff --git a/src/gui/text/qfontengine_qpa.cpp b/src/gui/text/qfontengine_qpa.cpp
index 9b21d61aad..28b95bd509 100644
--- a/src/gui/text/qfontengine_qpa.cpp
+++ b/src/gui/text/qfontengine_qpa.cpp
@@ -169,6 +169,7 @@ const QFontEngineQPA::Glyph *QFontEngineQPA::findGlyph(glyph_t g) const
 
 bool QFontEngineQPA::verifyHeader(const uchar *data, int size)
 {
+    VERIFY(quintptr(data) % Q_ALIGNOF(Header) == 0);
     VERIFY(size >= int(sizeof(Header)));
     const Header *header = reinterpret_cast<const Header *>(data);
     if (header->magic[0] != 'Q'
diff --git a/src/gui/text/qfontengine_qpa_p.h b/src/gui/text/qfontengine_qpa_p.h
index 5fbdafdf56..c8b40abd7f 100644
--- a/src/gui/text/qfontengine_qpa_p.h
+++ b/src/gui/text/qfontengine_qpa_p.h
@@ -131,7 +131,7 @@ public:
         GlyphBlock
     };
 
-    struct Q_PACKED Header
+    struct Header
     {
         char magic[4]; // 'QPF2'
         quint32 lock;  // values: 0 = unlocked, 0xffffffff = read-only, otherwise qws client id of locking process
@@ -140,14 +140,14 @@ public:
         quint16 dataSize;
     };
 
-    struct Q_PACKED Block
+    struct Block
     {
         quint16 tag;
         quint16 pad;
         quint32 dataSize;
     };
 
-    struct Q_PACKED Glyph
+    struct Glyph
     {
         quint8 width;
         quint8 height;