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cmd/go: panic when building github.com/DataDog/zstd with buildmode=shared #36893

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kamstrup opened this issue Jan 30, 2020 · 6 comments
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cmd/go: panic when building github.com/DataDog/zstd with buildmode=shared #36893

kamstrup opened this issue Jan 30, 2020 · 6 comments
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FrozenDueToAge NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. WaitingForInfo Issue is not actionable because of missing required information, which needs to be provided.

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

$ go version
go version go1.13.4 linux/amd64

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=""
GOARCH="amd64"
GOBIN=""
GOCACHE="/home/kamstrup/.cache/go-build"
GOENV="/home/kamstrup/.config/go/env"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/home/kamstrup/.watchly-dev/gopath"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/home/kamstrup/.watchly-dev/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/home/kamstrup/.watchly-dev/go/pkg/tool/linux_amd64"
GCCGO="gccgo"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/home/kamstrup/Axiom/eventdb/go.mod"
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 -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build747900966=/tmp/go-build -gno-record-gcc-switches"
GOROOT/bin/go version: go version go1.12.8 linux/amd64
GOROOT/bin/go tool compile -V: compile version go1.12.8
uname -sr: Linux 4.15.0-1066-oem
Distributor ID:	Ubuntu
Description:	Ubuntu 18.04 LTS (beaver-three-eyed-raven X92)
Release:	18.04
Codename:	bionic
/lib/x86_64-linux-gnu/libc.so.6: GNU C Library (Ubuntu GLIBC 2.27-3ubuntu1) stable release version 2.27.
gdb --version: GNU gdb (Ubuntu 8.1-0ubuntu3.2) 8.1.0.20180409-git

What did you do?

$ go build -buildmode=shared -linkshared github.com/DataDog/zstd
panic: runtime error: slice bounds out of range [:-2]

goroutine 1 [running]:
cmd/go/internal/load.(*Package).load(0xc0000d0900, 0xc00017d910, 0xc000098a80, 0x0, 0x0)
	/usr/local/go/src/cmd/go/internal/load/pkg.go:1491 +0x36db
cmd/go/internal/load.loadImport(0xc000374e50, 0x7ffc2dc96267, 0x17, 0xc000024124, 0x1c, 0x0, 0xc00017d910, 0x0, 0x0, 0x0, ...)
	/usr/local/go/src/cmd/go/internal/load/pkg.go:511 +0xdf2
cmd/go/internal/load.PackagesAndErrors(0xc0000c6040, 0x1, 0x1, 0x0, 0x0, 0x0)
	/usr/local/go/src/cmd/go/internal/load/pkg.go:1982 +0x398
cmd/go/internal/load.PackagesForBuild(0xc0000c6040, 0x1, 0x1, 0xa3a510, 0x2, 0x1)
	/usr/local/go/src/cmd/go/internal/load/pkg.go:2028 +0x5d
cmd/go/internal/work.runBuild(0xea3280, 0xc0000c6040, 0x1, 0x1)
	/usr/local/go/src/cmd/go/internal/work/build.go:316 +0x88
main.main()
	/usr/local/go/src/cmd/go/main.go:189 +0x57f

I have github.com/DataDog/zstd v1.4.4 in my go.mod

What did you expect to see?

Not a crash :-) If I build my program with a plain old go build XYZ command everything works well.
@jfcg
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jfcg commented Jan 30, 2020

why dont you try with go1.13.7 ?

@jfcg
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jfcg commented Jan 30, 2020

Also for that to work, you need to have a shared standard library with:

go install [flags] -buildmode=shared std

which successfully finishes with go1.13.7 btw.

@kamstrup
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kamstrup commented Jan 30, 2020 •
edited
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Updated to 1.13.7 and followed you instructions in an empty project with a go.mod only containing zstd, but the compiler still crashes:

UPDATE: Got some permission errors installing the std lib that I didn't notice at first.

14:52:44 kamstrup@mistpoint foo $ go get github.com/DataDog/zstd

14:53:21 kamstrup@mistpoint foo $ go install -buildmode=shared std
go install runtime/internal/sys: mkdir /usr/local/go/pkg/linux_amd64_dynlink: permission denied
go install internal/race: mkdir /usr/local/go/pkg/linux_amd64_dynlink: permission denied
go install container/list: mkdir /usr/local/go/pkg/linux_amd64_dynlink: permission denied
go install container/ring: open /usr/local/go/pkg/linux_amd64_dynlink/container/ring.a: no such file or directory
go install crypto/internal/subtle: mkdir /usr/local/go/pkg/linux_amd64_dynlink: permission denied
go install crypto/subtle: mkdir /usr/local/go/pkg/linux_amd64_dynlink: permission denied
go install vendor/golang.org/x/crypto/cryptobyte/asn1: mkdir /usr/local/go/pkg/linux_amd64_dynlink: permission denied
go install math/bits: mkdir /usr/local/go/pkg/linux_amd64_dynlink: permission denied
go install vendor/golang.org/x/crypto/internal/subtle: mkdir /usr/local/go/pkg/linux_amd64_dynlink: permission denied
go install internal/nettrace: open /usr/local/go/pkg/linux_amd64_dynlink/internal/nettrace.a: no such file or directory
go install encoding: mkdir /usr/local/go/pkg/linux_amd64_dynlink/: permission denied
go install unicode/utf8: mkdir /usr/local/go/pkg/linux_amd64_dynlink: permission denied
go install unicode/utf16: open /usr/local/go/pkg/linux_amd64_dynlink/unicode/utf16.a: no such file or directory
go install internal/goversion: open /usr/local/go/pkg/linux_amd64_dynlink/internal/goversion.a: no such file or directory
go install internal/cfg: open /usr/local/go/pkg/linux_amd64_dynlink/internal/cfg.a: no such file or directory
go install image/color: mkdir /usr/local/go/pkg/linux_amd64_dynlink: permission denied
go install unicode: open /usr/local/go/pkg/linux_amd64_dynlink/unicode.a: no such file or directory
go install runtime/race: mkdir /usr/local/go/pkg/linux_amd64_dynlink: permission denied
go install sync/atomic: mkdir /usr/local/go/pkg/linux_amd64_dynlink: permission denied
go install runtime/internal/atomic: open /usr/local/go/pkg/linux_amd64_dynlink/runtime/internal/atomic.a: no such file or directory
go install internal/cpu: open /usr/local/go/pkg/linux_amd64_dynlink/internal/cpu.a: no such file or directory
go install vendor/golang.org/x/crypto/curve25519: mkdir /usr/local/go/pkg/linux_amd64_dynlink: permission denied
go install runtime/cgo: open /usr/local/go/pkg/linux_amd64_dynlink/runtime/cgo.a: no such file or directory

14:53:44 kamstrup@mistpoint foo $ go build -buildmode=shared -linkshared github.com/DataDog/zstd
panic: runtime error: slice bounds out of range [:-2]

goroutine 1 [running]:
cmd/go/internal/load.(*Package).load(0xc0000b6900, 0xc00015d910, 0xc000057180, 0x0, 0x0)
	/usr/local/go/src/cmd/go/internal/load/pkg.go:1491 +0x36db
cmd/go/internal/load.loadImport(0xc00050e7a0, 0x7ffceb44b2b1, 0x17, 0xc000024124, 0x18, 0x0, 0xc00015d910, 0x0, 0x0, 0x0, ...)
	/usr/local/go/src/cmd/go/internal/load/pkg.go:511 +0xdf2
cmd/go/internal/load.PackagesAndErrors(0xc000020090, 0x1, 0x1, 0x0, 0x0, 0x0)
	/usr/local/go/src/cmd/go/internal/load/pkg.go:1982 +0x398
cmd/go/internal/load.PackagesForBuild(0xc000020090, 0x1, 0x1, 0xa3a510, 0x2, 0x1)
	/usr/local/go/src/cmd/go/internal/load/pkg.go:2028 +0x5d
cmd/go/internal/work.runBuild(0xea4280, 0xc000020090, 0x1, 0x1)
	/usr/local/go/src/cmd/go/internal/work/build.go:316 +0x88
main.main()
	/usr/local/go/src/cmd/go/main.go:189 +0x57f

14:53:54 kamstrup@mistpoint foo $ go version
go version go1.13.7 linux/amd64

@kamstrup
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To clarify - I am probably messing up with libs and buildmode on my part (i'll sort that out myself) - I mainly filed the issue because the compiler was panicking, which I assume it shouldn't be doing, even on bad input :-)

@bcmills
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bcmills commented Jan 30, 2020 •
edited
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Please try go1.14beta1 and see if this still reproduces — I suspect that it is a duplicate of #35759 or #34347, which are fixed at head.

@bcmills bcmills added NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. WaitingForInfo Issue is not actionable because of missing required information, which needs to be provided. labels Jan 30, 2020
@bcmills bcmills changed the title Go build crash in buildmode=shared for zstd cmd/go: panic when building github.com/DataDog/zstd with buildmode=shared Jan 30, 2020
@gopherbot
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Timed out in state WaitingForInfo. Closing.

(I am just a bot, though. Please speak up if this is a mistake or you have the requested information.)

@golang golang locked and limited conversation to collaborators Mar 1, 2021
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