Move run processor initialization inside fz_try() to avoid leak upon …

…TRYLATER.

Without this fix if TRYLATER is thrown while looking up RoleMap the
run processor and all its resources leak.

source/pdf/pdf-op-run.c

@@ -3195,6 +3195,26 @@ pdf_new_run_processor(fz_context *ctx, pdf_document *doc, fz_device *dev, fz_mat
 			proc->gstate[0].clip_depth = 0;
 			proc->gstate[0].ctm = ctm;
 		}
+
+		/* We need to save an extra level to allow for level 0 to be the parent gstate level. */
+		pdf_gsave(ctx, proc);
+
+		/* Structure details */
+		{
+			pdf_obj *struct_tree_root = pdf_dict_getl(ctx, pdf_trailer(ctx, doc), PDF_NAME(Root), PDF_NAME(StructTreeRoot), NULL);
+			proc->struct_parent = struct_parent;
+			proc->role_map = pdf_keep_obj(ctx, pdf_dict_get(ctx, struct_tree_root, PDF_NAME(RoleMap)));
+
+			/* Annotations and XObjects can be their own content items. We spot this by
+			 * the struct_parent looking up to be a singular object. */
+			if (struct_parent != -1 && struct_tree_root)
+			{
+				pdf_obj *struct_obj = pdf_lookup_number(ctx, pdf_dict_get(ctx, struct_tree_root, PDF_NAME(ParentTree)), struct_parent);
+				if (pdf_is_dict(ctx, struct_obj))
+					send_begin_structure(ctx, proc, struct_obj);
+				/* We always end structure as required on closedown, so this is safe. */
+			}
+		}
 	}
 	fz_catch(ctx)
 	{
@@ -3203,25 +3223,5 @@ pdf_new_run_processor(fz_context *ctx, pdf_document *doc, fz_device *dev, fz_mat
 		fz_rethrow(ctx);
 	}
 
-	/* We need to save an extra level to allow for level 0 to be the parent gstate level. */
-	pdf_gsave(ctx, proc);
-
-	/* Structure details */
-	{
-		pdf_obj *struct_tree_root = pdf_dict_getl(ctx, pdf_trailer(ctx, doc), PDF_NAME(Root), PDF_NAME(StructTreeRoot), NULL);
-		proc->struct_parent = struct_parent;
-		proc->role_map = pdf_keep_obj(ctx, pdf_dict_get(ctx, struct_tree_root, PDF_NAME(RoleMap)));
-
-		/* Annotations and XObjects can be their own content items. We spot this by
-		 * the struct_parent looking up to be a singular object. */
-		if (struct_parent != -1 && struct_tree_root)
-		{
-			pdf_obj *struct_obj = pdf_lookup_number(ctx, pdf_dict_get(ctx, struct_tree_root, PDF_NAME(ParentTree)), struct_parent);
-			if (pdf_is_dict(ctx, struct_obj))
-				send_begin_structure(ctx, proc, struct_obj);
-			/* We always end structure as required on closedown, so this is safe. */
-		}
-	}
-
 	return (pdf_processor*)proc;
 }