Fix infinite loop found by fuzzing

bitfield · bitfield · commit 079c3789cd73 · 2023-04-22T16:06:47.000+01:00
diff --git a/prettifier.go b/prettifier.go
@@ -237,6 +237,7 @@ func inWord(p *prettifier) stateFunc {
 				continue
 			}
 			p.emit()
+			return betweenWords
 		default:
 			if p.pos-p.start <= 1 {
 				// word too short
diff --git a/testdata/fuzz/FuzzPrettify/d72586fff5c01205 b/testdata/fuzz/FuzzPrettify/d72586fff5c01205
@@ -0,0 +1,2 @@
+go test fuzz v1
+string("0a0sV")

Original file line number	Diff line number	Diff line change
`@@ -237,6 +237,7 @@ func inWord(p *prettifier) stateFunc {`
`237`	`237`	`continue`
`238`	`238`	`}`
`239`	`239`	`p.emit()`
	`240`	`+ return betweenWords`
`240`	`241`	`default:`
`241`	`242`	`if p.pos-p.start <= 1 {`
`242`	`243`	`// word too short`