Changeset: f09a16cd62c8 for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=f09a16cd62c8
Modified Files:
monetdb5/modules/mal/mkey.c
Branch: Dec2016
Log Message:
Protect against wrong use of mkey
The general case of mkey.hash could lead to
incorrect pointer dereferencing.
A defense line has been added.
diffs (15 lines):
diff --git a/monetdb5/modules/mal/mkey.c b/monetdb5/modules/mal/mkey.c
--- a/monetdb5/modules/mal/mkey.c
+++ b/monetdb5/modules/mal/mkey.c
@@ -50,6 +50,11 @@ MKEYhash(Client cntxt, MalBlkPtr mb, Mal
res= getArgReference_lng(stk,p,0);
val= getArgReference(stk,p,1);
switch (ATOMstorage(tpe)) {
+ case TYPE_void:
+ case TYPE_bat:
+ case TYPE_ptr:
+ // illegal types, avoid falling into the default case.
+ assert(0);
case TYPE_bte:
*res = MKEYHASH_bte(val);
break;
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