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Protect all accesses to the FuncDef.u and Expr.u unions using nearby

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assert()s or branches.

FossilOrigin-Name: 9af863f065e0bef491c2ab7525194505f9516f4e6dfc789d2e3a9d2c2438533a
This commit is contained in:
drh
2021-10-07 13:40:29 +00:00
parent 78b2fa8610
commit f975107437
19 changed files with 131 additions and 57 deletions
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4
src/main.c
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@@ -1138,7 +1138,9 @@ void sqlite3CloseSavepoints(sqlite3 *db){
** with SQLITE_ANY as the encoding.
*/
static void functionDestroy(sqlite3 *db, FuncDef *p){
FuncDestructor *pDestructor = p->u.pDestructor;
FuncDestructor *pDestructor;
assert( (p->funcFlags & SQLITE_FUNC_BUILTIN)==0 );
pDestructor = p->u.pDestructor;
if( pDestructor ){
pDestructor->nRef--;
if( pDestructor->nRef==0 ){