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| author | Robert Loehning <robert.loehning@qt.io> | 2020-06-11 19:35:26 +0200 |
|---|---|---|
| committer | Robert Loehning <robert.loehning@qt.io> | 2020-06-15 20:50:32 +0200 |
| commit | 9e51974d9bace46c40ebe585102d3102eedc8a35 (patch) | |
| tree | 3152d071067245b12b103f6144dff86f535343d7 /src/gui/text/qfontdatabase.cpp | |
| parent | 7e03bc39b8bcdaa4e83e72ac99e117561c124951 (diff) | |
QFontDatabase: Guard against Null-dereference READ
Fixes: oss-fuzz-23112
Pick-to: 5.15
Change-Id: I06818d8642067cd510a513838e7851eb8b322aef
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
Diffstat (limited to 'src/gui/text/qfontdatabase.cpp')
| -rw-r--r-- | src/gui/text/qfontdatabase.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/gui/text/qfontdatabase.cpp b/src/gui/text/qfontdatabase.cpp index 993c37a92f..b5a9c5bb45 100644 --- a/src/gui/text/qfontdatabase.cpp +++ b/src/gui/text/qfontdatabase.cpp @@ -2321,7 +2321,7 @@ bool QFontDatabase::removeAllApplicationFonts() QMutexLocker locker(fontDatabaseMutex()); QFontDatabasePrivate *db = privateDb(); - if (db->applicationFonts.isEmpty()) + if (!db || db->applicationFonts.isEmpty()) return false; db->applicationFonts.clear(); |