From e24b3576c7f09ec8d1bc0c6611dbc0d0d3a1167c Mon Sep 17 00:00:00 2001
From: Sander Pick <sanderpick@gmail.com>
Date: Tue, 4 Jan 2022 19:18:55 -0800
Subject: [PATCH] db: ensure vm doesnt run forever

Signed-off-by: Sander Pick <sanderpick@gmail.com>
---
 db/collection.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/db/collection.go b/db/collection.go
index 3b5b67a7..b7b6f9b3 100644
--- a/db/collection.go
+++ b/db/collection.go
@@ -43,6 +43,8 @@ var (
 	errCantCreateExistingInstance  = errors.New("can't create already existing instance")
 
 	baseKey = dsPrefix.ChildString("collection")
+
+	vmTimeout = time.Millisecond * 200
 )
 
 const (
@@ -85,6 +87,9 @@ func newCollection(d *DB, config CollectionConfig) (*Collection, error) {
 		return nil, err
 	}
 	vm := goja.New()
+	time.AfterFunc(vmTimeout, func() {
+		vm.Interrupt("validator timed out")
+	})
 	wv := []byte(config.WriteValidator)
 	rf := []byte(config.ReadFilter)
 	c := &Collection{