From a83bbce4d6f31d93ea4d2a681aa52c148f148e26 Mon Sep 17 00:00:00 2001
From: Andy Shaw <andy.shaw@qt.io>
Date: Thu, 2 Jan 2020 09:07:08 +0100
Subject: [PATCH] Fix CVE-2019-19646 in SQLite

Task-number: QTBUG-81020
Change-Id: I7176db20d4a44b1fb443a6108675f719e9643343
---
 src/3rdparty/sqlite/sqlite3.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/3rdparty/sqlite/sqlite3.c b/src/3rdparty/sqlite/sqlite3.c
index 57e61b8313..980a149b1a 100644
--- a/src/3rdparty/sqlite/sqlite3.c
+++ b/src/3rdparty/sqlite/sqlite3.c
@@ -123765,7 +123765,9 @@ SQLITE_PRIVATE void sqlite3Pragma(
           if( j==pTab->iPKey ) continue;
           if( pTab->aCol[j].notNull==0 ) continue;
           sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, j, 3);
-          sqlite3VdbeChangeP5(v, OPFLAG_TYPEOFARG);
+          if( sqlite3VdbeGetOp(v,-1)->opcode==OP_Column ){
+            sqlite3VdbeChangeP5(v, OPFLAG_TYPEOFARG);
+          }
           jmp2 = sqlite3VdbeAddOp1(v, OP_NotNull, 3); VdbeCoverage(v);
           zErr = sqlite3MPrintf(db, "NULL value in %s.%s", pTab->zName,
                               pTab->aCol[j].zName);
-- 
2.21.0 (Apple Git-122.2)