fix: read.go ReadBytesHeader avoid nil slice deref (#393)

wooffie · web-flow · commit 3773182035c4 · 2025-06-23T11:08:14.000-07:00
diff --git a/msgp/read.go b/msgp/read.go
@@ -983,7 +983,7 @@ func (m *Reader) ReadBytesHeader() (sz uint32, err error) {
 		sz = uint32(big.Uint32(p[1:]))
 		return
 	default:
-		err = badPrefix(BinType, p[0])
+		err = badPrefix(BinType, lead)
 		return
 	}
 }

Original file line number	Diff line number	Diff line change
`@@ -983,7 +983,7 @@ func (m *Reader) ReadBytesHeader() (sz uint32, err error) {`
`983`	`983`	`sz = uint32(big.Uint32(p[1:]))`
`984`	`984`	`return`
`985`	`985`	`default:`
`986`		`- err = badPrefix(BinType, p[0])`
	`986`	`+ err = badPrefix(BinType, lead)`
`987`	`987`	`return`
`988`	`988`	`}`
`989`	`989`	`}`