Sqlite: fix DB corruption on some Samsung devices

GitOrigin-RevId: bc3e631f6873c0a4a53b8aea2159727fa0d1e956
devas123 · Aug 12, 2020 · d4f0162 · d4f0162
1 parent 0ef5577
commit d4f0162
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/sqlite/sqlite/sqlite3.c b/sqlite/sqlite/sqlite3.c
@@ -42840,7 +42840,8 @@ static int unixLockSharedMemory(unixFile *pDbFd, unixShmNode *pShmNode){
       ** -shm header size) rather than 0 as a system debugging aid, to
       ** help detect if a -shm file truncation is legitimate or is the work
       ** or a rogue process. */
-      if( rc==SQLITE_OK && robust_ftruncate(pShmNode->hShm, 3) ){
+      /* Fix SQLite DB corruption on some Samsung devices (3 changed to 0) */
+      if( rc==SQLITE_OK && robust_ftruncate(pShmNode->hShm, 0) ){
         rc = unixLogError(SQLITE_IOERR_SHMOPEN,"ftruncate",pShmNode->zFilename);
       }
     }