x/net/html: panic: runtime error: invalid memory address or nil pointer dereference #27704
Description
Please answer these questions before submitting your issue. Thanks!
What version of Go are you using (go version)?
go version go1.10.3 linux/amd64
Does this issue reproduce with the latest release?
yes
What operating system and processor architecture are you using (go env)?
GOARCH="amd64"
GOBIN=""
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GORACE=""
GOTMPDIR=""
GCCGO="gccgo"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
What did you do?
package main
import (
"strings"
"golang.org/x/net/html"
)
func main() {
r := strings.NewReader("<template><tBody><isindex/action=0>")
html.Parse(r)
}What did you expect to see?
No panic exit.
What did you see instead?
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x58 pc=0x47fd29]
goroutine 1 [running]:
golang.org/x/net/html.inBodyIM(0xc420118410, 0x4caa68)
/path/to/gopath/src/golang.org/x/net/html/parse.go:988 +0x1d49
golang.org/x/net/html.inTableIM(0xc420118410, 0xc42014a000)
/path/to/gopath/src/golang.org/x/net/html/parse.go:1433 +0x20e
golang.org/x/net/html.inTableBodyIM(0xc420118410, 0x0)
/path/to/gopath/src/golang.org/x/net/html/parse.go:1590 +0x145
golang.org/x/net/html.(*parser).parseCurrentToken(0xc420118410)
/path/to/gopath/src/golang.org/x/net/html/parse.go:2180 +0x84
golang.org/x/net/html.(*parser).parse(0xc420118410, 0xc42014c000, 0xc420118340)
/path/to/gopath/src/golang.org/x/net/html/parse.go:2206 +0x5b
golang.org/x/net/html.Parse(0x4d5b00, 0xc42000a0e0, 0xc420110150, 0xc4200dff78, 0xc42001a118)
/path/to/gopath/src/golang.org/x/net/html/parse.go:2232 +0xdb
main.main()
/path/to/gopath/src/html/main.go:11 +0x73
exit status 2