… > +++ b/scripts/coccinelle/api/memdup_user.cocci > @@ -39,6 +39,28 @@ … … > +@depends on patch@ > +expression from,to,size; > +identifier l1,l2; > +@@ > + > +- to = \(kvmalloc\|kvzalloc\)(size,\(GFP_KERNEL\|GFP_USER\)); > ++ to = vmemdup_user(from,size);
I propose to combine the desired adjustment with the previous SmPL rule by using another disjunction. > +@rv depends on !patch@ > +expression from,to,size; > +position p; > +statement S1,S2; > +@@ > + > +* to = \(kvmalloc@p\|kvzalloc@p\)(size,\(GFP_KERNEL\|GFP_USER\)); > + if (to==NULL || ...) S1 > + if (copy_from_user(to, from, size) != 0) > + S2 * Can it be helpful to omit the SmPL asterisk functionality from the operation modes “org” and “report”? * Should the operation mode “context” work without an extra position metavariable? Regards, Markus
