affected/package:

[467892746]

What version of Go are you using (go version)?

$ go version 
go1.18.1 darwin/arm64

Does this issue reproduce with the latest release?

What operating system and processor architecture are you using (go env)?

go env Output

$ go env
GO111MODULE="on"
GOARCH="arm64"
GOBIN="/Users/biwentao/Desktop/go/bin"
GOCACHE="/Users/biwentao/Library/Caches/go-build"
GOENV="/Users/biwentao/Library/Application Support/go/env"
GOEXE=""
GOEXPERIMENT=""
GOFLAGS=""
GOHOSTARCH="arm64"
GOHOSTOS="darwin"
GOINSECURE=""
GOMODCACHE="/Users/biwentao/Desktop/go/pkg/mod"
GONOPROXY=""
GONOSUMDB="gitlab.ustock.cc/*"
GOOS="darwin"
GOPATH="/Users/biwentao/Desktop/go"
GOPRIVATE=""
GOPROXY="https://goproxy.cn,direct"
GOROOT="/usr/local/go"
GOSUMDB="off"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/darwin_arm64"
GOVCS=""
GOVERSION="go1.18.1"
GCCGO="gccgo"
AR="ar"
CC="clang"
CXX="clang++"
CGO_ENABLED="0"
GOMOD="/Users/biwentao/Desktop/go/src/demo/go.mod"
GOWORK=""
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -arch arm64 -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/k5/l5y3fv9n27zfjrd9jwmp4p8c0000gn/T/go-build1830639654=/tmp/go-build -gno-record-gcc-switches -fno-common"

What did you do?

func main() {
a := "222"
fmt.Println(json.Valid([]byte(a)))
}

What did you expect to see?

false

What did you see instead?

true

[mengzhuo]

Unlike many projects, the Go project does not use GitHub Issues for general discussion or asking questions. GitHub Issues are used for tracking bugs and proposals only.

For questions please refer to https://github.com/golang/go/wiki/Questions

---

FYI: JSON spec https://www.json.org/json-en.html

[467892746]

Thank you for your answer