net/http: panic in net/http.(*conn).serve due to nil RemoteAddr

[tmm1]

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

$ go version
go version go1.20.3 linux/amd64

Does this issue reproduce with the latest release?

yes

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

go env Output

$ go env
GO111MODULE=""
GOARCH="amd64"
GOBIN=""
GOCACHE="/home/vagrant/.cache/go-build"
GOENV="/home/vagrant/.config/go/env"
GOEXE=""
GOEXPERIMENT=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOINSECURE=""
GOMODCACHE=""
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH=""
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/home/vagrant/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/home/vagrant/go/pkg/tool/linux_amd64"
GOVCS=""
GOVERSION="go1.20.3"
GCCGO="gccgo"
GOAMD64="v1"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/dev/null"
GOWORK=""
CGO_CFLAGS="-O2 -g"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-O2 -g"
CGO_FFLAGS="-O2 -g"
CGO_LDFLAGS="-O2 -g"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build979048626=/tmp/go-build -gno-record-gcc-switches"

What did you do?

running a simple net/http server. on one specific computer out of thousands running this software, there is a periodic crash every 1-2 days

What did you expect to see?

no crash

What did you see instead?

panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x20 pc=0x727b12]

goroutine 311662 [running]:
net/http.(*conn).serve(0xc003820b40, {0x1fc2e08, 0xc0008090e0})
	net/http/server.go:1847 +0x52
created by net/http.(*Server).Serve
	net/http/server.go:3089 +0x5ed

seems related to #23022

[gopherbot]

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