Add a missing mutex around calls to clear the KeyInfo cache when closing

a database connection.

FossilOrigin-Name: 7047ce32a234484b8ba15311e6560aa74ff692c9

1 files changed, 2 insertions, 0 deletions

diff --git a/src/main.c b/src/main.c
index 34093b249..23239bc94 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1034,11 +1034,13 @@ void sqlite3LeaveMutexAndCloseZombie(sqlite3 *db){
     if( pDb->pBt ){
       if( pDb->pSchema ){
         /* Must clear the KeyInfo cache.  See ticket [e4a18565a36884b00edf] */
+        sqlite3BtreeEnter(pDb->pBt);
         for(i=sqliteHashFirst(&pDb->pSchema->idxHash); i; i=sqliteHashNext(i)){
           Index *pIdx = sqliteHashData(i);
           sqlite3KeyInfoUnref(pIdx->pKeyInfo);
           pIdx->pKeyInfo = 0;
         }
+        sqlite3BtreeLeave(pDb->pBt);
       }
       sqlite3BtreeClose(pDb->pBt);
       pDb->pBt = 0;