debug/elf: slice bounds out of range in Symbols #62649
Description
What version of Go are you using (go version)?
$ go version go version go1.21 linux/amd64
Does this issue reproduce with the latest release?
Happens only on dev branch, not in go 1.21
What operating system and processor architecture are you using (go env)?
go env Output
$ go env GO111MODULE="" GOARCH="amd64" GOBIN="" GOCACHE="/root/.cache/go-build" GOENV="/root/.config/go/env" GOEXE="" GOEXPERIMENT="" GOFLAGS="" GOHOSTARCH="amd64" GOHOSTOS="linux" GOINSECURE="" GOMODCACHE="/root/go/pkg/mod" GONOPROXY="" GONOSUMDB="" GOOS="linux" GOPATH="/root/go" GOPRIVATE="" GOPROXY="https://proxy.golang.org,direct" GOROOT="/root/.go" GOSUMDB="sum.golang.org" GOTMPDIR="" GOTOOLDIR="/root/.go/pkg/tool/linux_amd64" GOVCS="" GOVERSION="go1.21" GCCGO="gccgo" GOAMD64="v1" AR="ar" CC="clang" CXX="clang++" CGO_ENABLED="1" GOMOD="/src/ngolo-fuzzing/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 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -Wl,--no-gc-sections -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build2481516251=/tmp/go-build -gno-record-gcc-switches"
What did you do?
Run https://go.dev/play/p/04LXQx1Lhwh?v=gotip
What did you expect to see?
The program finishing and printing Hello, without panicking
What did you see instead?
panic: runtime error: slice bounds out of range [16:0]
goroutine 1 [running]:
debug/elf.(*File).getSymbols32(0xc0000b8000, 0xb6000?)
/usr/local/go-faketime/src/debug/elf/file.go:641 +0x594
debug/elf.(*File).getSymbols(0x4e0498?, 0x920f0?)
/usr/local/go-faketime/src/debug/elf/file.go:611 +0x6d
debug/elf.(*File).Symbols(...)
/usr/local/go-faketime/src/debug/elf/file.go:1427
main.main()
/tmp/sandbox3244032495/prog.go:13 +0x110
Program exited.
Found by https://github.com/catenacyber/ngolo-fuzzing with oss-fuzz :
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62353