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[BUG] astparser crashes on bad string #1019

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phob0s-pl opened this issue Dec 19, 2024 · 1 comment

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internally-reviewed

Contributor

phob0s-pl commented Dec 19, 2024

During fuzzy testing I've found out string that makes astparser crash.
Here is example of a code:

package main

import (
	parser "github.com/wundergraph/graphql-go-tools/pkg/astparser"
	parser2 "github.com/wundergraph/graphql-go-tools/v2/pkg/astparser"
)

const stringThatMakesBalaBooom = "union\"\"\""

func main() {
	parser.ParseGraphqlDocumentString(stringThatMakesBalaBooom)
	parser2.ParseGraphqlDocumentString(stringThatMakesBalaBooom)
}

devsergiy added the internally-reviewed label

Member

devsergiy commented Dec 30, 2024

Thanks for the report!
This is an issue with early reporting that graphql document an invalid
Right now it has low-priority

If you are blocked with this issue we could provide guidance on what needs to be fixed in the parser

Thanks,
Wundergraph Team

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