Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

runtime: GODEBUG=efence=1 causes panic during build on M1 #44993

Open
bartgrantham opened this issue Mar 14, 2021 · 0 comments
Open

runtime: GODEBUG=efence=1 causes panic during build on M1 #44993

bartgrantham opened this issue Mar 14, 2021 · 0 comments
Labels
arch-arm64 compiler/runtime Issues related to the Go compiler and/or runtime. NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
Milestone
Unplanned

Comments

@bartgrantham
Copy link

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

$ go version
go version go1.16.2 darwin/arm64

Does this issue reproduce with the latest release?

Yes.

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

macOS Big Sur 11.2.2

go env Output
$ go env
GO111MODULE=""
GOARCH="arm64"
GOBIN=""
GOCACHE="/Users/bart/Library/Caches/go-build"
GOENV="/Users/bart/Library/Application Support/go/env"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="arm64"
GOHOSTOS="darwin"
GOINSECURE=""
GOMODCACHE="/Users/bart/go/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="darwin"
GOPATH="/Users/bart/go"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/usr/local/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/darwin_arm64"
GOVCS=""
GOVERSION="go1.16.2"
GCCGO="gccgo"
AR="ar"
CC="clang"
CXX="clang++"
CGO_ENABLED="1"
GOMOD="/dev/null"
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 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/qc/mhy1mvh13w993fhyg5xmb_880000gn/T/go-build915245815=/tmp/go-build -gno-record-gcc-switches -fno-common"

What did you do?

$ cat << EOF > test.go
package main

import "fmt"

func main() {
    fmt.Println("Hello, World")
}
EOF
$ export GODEBUG=efence=1
$ go build test.go
# command-line-arguments
unexpected fault address 0x14000d235c8
fatal error: fault
[signal SIGBUS: bus error code=0x1 addr=0x14000d235c8 pc=0x100e49b94]

goroutine 1 [running]:
runtime.throw(0x100f64a2a, 0x5)
	/usr/local/go/src/runtime/panic.go:1117 +0x54 fp=0x1014f2640 sp=0x1014f2610 pc=0x100d7e824
runtime.sigpanic()
	/usr/local/go/src/runtime/signal_unix.go:731 +0x284 fp=0x1014f2680 sp=0x1014f2640 pc=0x100d96044
cmd/link/internal/loader.(*Loader).SymName(0x1400060a000, 0xf125, 0xf484, 0x38)
	/usr/local/go/src/cmd/link/internal/loader/loader.go:756 +0x144 fp=0x1014f26f0 sp=0x1014f2690 pc=0x100e49b94
cmd/link/internal/ld.(*dwctxt).nameFromDIESym(...)
	/usr/local/go/src/cmd/link/internal/ld/dwarf.go:737
cmd/link/internal/ld.(*dwctxt).synthesizemaptypes(0x1014f2b10, 0x140000f2000, 0x1400104f980)
	/usr/local/go/src/cmd/link/internal/ld/dwarf.go:912 +0x3a8 fp=0x1014f28e0 sp=0x1014f26f0 pc=0x100ebc088
cmd/link/internal/ld.dwarfGenerateDebugInfo(0x140000f2000)
	/usr/local/go/src/cmd/link/internal/ld/dwarf.go:1950 +0x127c fp=0x1014f2cb0 sp=0x1014f28e0 pc=0x100ec390c
cmd/link/internal/ld.Main(0x10117b500, 0x10, 0x20, 0x1, 0x1f, 0x1e, 0x100f6c384, 0x14, 0x100f6f9a9, 0x1a, ...)
	/usr/local/go/src/cmd/link/internal/ld/main.go:260 +0xd48 fp=0x1014f2f10 sp=0x1014f2cb0 pc=0x100ef3438
main.main()
	/usr/local/go/src/cmd/link/main.go:68 +0x1bc fp=0x1014f3f70 sp=0x1014f2f10 pc=0x100f6324c
runtime.main()
	/usr/local/go/src/runtime/proc.go:225 +0x26c fp=0x1014f3fd0 sp=0x1014f3f70 pc=0x100d80ccc
runtime.goexit()
	/usr/local/go/src/runtime/asm_arm64.s:1130 +0x4 fp=0x1014f3fd0 sp=0x1014f3fd0 pc=0x100db1c14

What did you expect to see?

Silent, successful build.

What did you see instead?

Compiler stack trace as shown above.
@bartgrantham bartgrantham changed the title GODEBUG=efence=1 causes panic during build on M1 GODEBUG=efence=1 causes panic during build on M1 Mar 14, 2021
@mdlayher mdlayher changed the title GODEBUG=efence=1 causes panic during build on M1 cmd/link: GODEBUG=efence=1 causes panic during build on M1 Mar 14, 2021
@cherrymui cherrymui added arch-arm64 NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. labels Mar 15, 2021
@cherrymui cherrymui added this to the Unplanned milestone Mar 15, 2021
@cherrymui cherrymui changed the title cmd/link: GODEBUG=efence=1 causes panic during build on M1 runtime: GODEBUG=efence=1 causes panic during build on M1 Jun 3, 2021
@gopherbot gopherbot added the compiler/runtime Issues related to the Go compiler and/or runtime. label Jul 7, 2022
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Assignees
No one assigned
Labels
arch-arm64 compiler/runtime Issues related to the Go compiler and/or runtime. NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
Projects
None yet
Milestone
Unplanned
Development

No branches or pull requests
3 participants
@bartgrantham @gopherbot @cherrymui