There was a panic when golang built the DLL and then used golang to call the DLL

[bearki]

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

$ go version
go version go1.17.1 windows/amd64

Does this issue reproduce with the latest release?

Almost all versions will happen

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

go env Output

$ go env
set GO111MODULE=on
set GOARCH=amd64
set GOBIN=
set GOCACHE=C:\Users\Bearki\AppData\Local\go-build
set GOENV=C:\Users\Bearki\AppData\Roaming\go\env
set GOEXE=.exe
set GOEXPERIMENT=
set GOFLAGS=
set GOHOSTARCH=amd64
set GOHOSTOS=windows
set GOINSECURE=
set GOMODCACHE=E:\golang\pkg\mod
set GONOPROXY=
set GONOSUMDB=
set GOOS=windows
set GOPATH=E:\golang
set GOPRIVATE=
set GOPROXY=https://goproxy.cn,direct
set GOROOT=D:\Go
set GOSUMDB=sum.golang.org
set GOTMPDIR=
set GOTOOLDIR=D:\Go\pkg\tool\windows_amd64
set GOVCS=
set GOVERSION=go1.17.1
set GCCGO=gccgo
set AR=ar
set CC=gcc
set CXX=g++
set CGO_ENABLED=1
set GOMOD=C:\Users\Bearki\Desktop\test\go.mod
set CGO_CFLAGS=-g -O2
set CGO_CPPFLAGS=
set CGO_CXXFLAGS=-g -O2
set CGO_FFLAGS=-g -O2
set CGO_LDFLAGS=-g -O2
set PKG_CONFIG=pkg-config
set GOGCCFLAGS=-m64 -mthreads -fmessage-length=0 -fdebug-prefix-map=C:\Users\Bearki\AppData\Local\Temp\go-build170724005=/tmp/go-build -gno-record-gcc-switches   

What did you do?

export.go

package main
import "C"

import (

"fmt"

_ "runtime"

)
// Init init dll

// @params code int      status code

// @return            string return message

//export Init

func Init(code int) string {

fmt.Println(code)

return "OK"

}
func main() {}

go build -buildmode=c-shared -o test.dll export.go

test.go

package main
import "C"

import (

"fmt"

"unsafe"
"golang.org/x/sys/windows"

)
func main() {
lib, err := windows.LoadDLL("test.dll")
if err != nil {
	panic(err.Error())
}

defer lib.Release()

f1, err := lib.FindProc("Init")
if err != nil {
	panic(err.Error())
}

res, _, err := f1.Call(uintptr(1001))
fmt.Println(C.GoString((*C.char)(unsafe.Pointer(res))), err)

}

go run test.go

What did you expect to see?

1001
OK nil

What did you see instead?

fatal error: unexpected signal during runtime execution
[signal 0xc0000005 code=0x1 addr=0x0 pc=0x7ffafa25e722]

goroutine 1 [running, locked to thread]:
runtime.throw({0x7ffafa2c6ea9, 0xc00007d830})
        D:/Go/src/runtime/panic.go:1198 +0x76 fp=0xc00007d7f0 sp=0xc00007d7c0 pc=0x7ffafa233f56
runtime.sigpanic()
        D:/Go/src/runtime/signal_windows.go:248 +0x22b fp=0xc00007d838 sp=0xc00007d7f0 pc=0x7ffafa2455cb
runtime.memmove()
        D:/Go/src/runtime/memmove_amd64.s:158 +0x102 fp=0xc00007d840 sp=0xc00007d838 pc=0x7ffafa25e722  
runtime.heapBitsSetType(0x20162dc0108, 0x400, 0x400, 0xc000006028)
        D:/Go/src/runtime/mbitmap.go:1359 +0x5dc fp=0xc00007d978 sp=0xc00007d840 pc=0x7ffafa21361c      
runtime.mallocgc(0x400, 0x7ffafa2b53a0, 0x1)
        D:/Go/src/runtime/malloc.go:1100 +0x65e fp=0xc00007d9f8 sp=0xc00007d978 pc=0x7ffafa20cb9e       
runtime.makeslice(0x0, 0x0, 0xc000074660)
        D:/Go/src/runtime/slice.go:98 +0x52 fp=0xc00007da20 sp=0xc00007d9f8 pc=0x7ffafa2459b2
sync.(*Pool).pinSlow(0x7ffafa2a0300)
        D:/Go/src/sync/pool.go:227 +0x185 fp=0xc00007dab8 sp=0xc00007da20 pc=0x7ffafa264d65
sync.(*Pool).pin(0x7ffafa2a0300)
        D:/Go/src/sync/pool.go:206 +0x4e fp=0xc00007dad0 sp=0xc00007dab8 pc=0x7ffafa264bae
sync.(*Pool).Get(0x7ffafa2a0300)
        D:/Go/src/sync/pool.go:128 +0x25 fp=0xc00007db08 sp=0xc00007dad0 pc=0x7ffafa2648e5
fmt.newPrinter()
        D:/Go/src/fmt/print.go:137 +0x25 fp=0xc00007db30 sp=0xc00007db08 pc=0x7ffafa287da5
fmt.Fprintln({0x7ffafa2e07c0, 0x0}, {0xc00007dba8, 0x1, 0x1})
        D:/Go/src/fmt/print.go:263 +0x36 fp=0xc00007db80 sp=0xc00007db30 pc=0x7ffafa288076
fmt.Println(...)
        D:/Go/src/fmt/print.go:274
main.Init(...)
        C:/Users/Bearki/Desktop/test/main.go:14
_cgoexp_37e84c538feb_Init(0xf32d3ff680)
        _cgo_gotypes.go:38 +0x5f fp=0xc00007dbc8 sp=0xc00007db80 pc=0x7ffafa28d41f
runtime.cgocallbackg1(0x7ffafa28d3c0, 0xc0000749c0, 0x0)
        D:/Go/src/runtime/cgocall.go:306 +0x29a fp=0xc00007dc98 sp=0xc00007dbc8 pc=0x7ffafa203c7a
runtime.cgocallbackg(0xc00003a000, 0x300000002, 0xc00003a000)
        D:/Go/src/runtime/cgocall.go:232 +0x106 fp=0xc00007dd30 sp=0xc00007dc98 pc=0x7ffafa203906
runtime.cgocallbackg(0x7ffafa28d3c0, 0xf32d3ff680, 0x0)
        :1 +0x36 fp=0xc00007dd58 sp=0xc00007dd30 pc=0x7ffafa25f796
runtime: unexpected return pc for runtime.cgocallback called from 0x7ff7c0e0b080
stack: frame={sp:0xc00007dd58, fp:0xc00007dd80} stack=[0xc000076000,0xc00007e000)
0x000000c00007dc58:  0x000000c00007dc88  0x00007ffafa258f45 
0x000000c00007dc68:  0x000000c00003a000  0x000000c00007dc48
0x000000c00007dc78:  0x0000000000000000  0x00007ffafa2c8c88
0x000000c00007dc88:  0x000000c00007dd20  0x00007ffafa203906 
0x000000c00007dc98:  0x00007ffafa28d3c0 <_cgoexp_37e84c538feb_Init+0x0000000000000000>  0x000000c0000749c0 
0x000000c00007dca8:  0x0000000000000000  0x00007ff7c0db398a
0x000000c00007dcb8:  0x0000000000000000  0x00007ffafa28d490
0x000000c00007dcc8:  0x0000000000000001  0x000000c00007de08
0x000000c00007dcd8:  0x00007ffafa28d490  0x0000000000000000
0x000000c00007dce8:  0x0000000000000000  0x000000c00007dd88
0x000000c00007dcf8:  0x000000c00003a000  0x00007ff7c0f21180
0x000000c00007dd08:  0x0000020162dc0108  0x00007ffafa28d3c0 <_cgoexp_37e84c538feb_Init+0x0000000000000000>
0x000000c00007dd18:  0x000000f32d3ff680  0x000000c00007dd48
0x000000c00007dd28:  0x00007ffafa25f796   0x000000c00003a000
0x000000c00007dd38:  0x0000000300000002  0x000000c00003a000
0x000000c00007dd48:  0x000000f32d3ff548  0x00007ffafa25d5b7 
0x000000c00007dd58: <0x00007ffafa28d3c0 <_cgoexp_37e84c538feb_Init+0x0000000000000000>  0x000000f32d3ff680 
0x000000c00007dd68:  0x0000000000000000  0x000000c00007dd88
0x000000c00007dd78: !0x00007ff7c0e0b080 >0x00007ff7c0db39ec
0x000000c00007dd88:  0x00007ff7c0e0ec60  0x00007ff7c0f21460
0x000000c00007dd98:  0x00007ff7c0dbc574  0x00007ff7c0db3a28
0x000000c00007dda8:  0x00007ff7c0f21180  0x000000c00007dde8
0x000000c00007ddb8:  0x00007ff7c0e09c54  0x00007ff7c0e0ec60
0x000000c00007ddc8:  0x00007ff7c0f21460  0x0100000000000010
0x000000c00007ddd8:  0x00007ff7c0f21180  0x00007ff7c0e94cf0
0x000000c00007dde8:  0x000000c00007de38  0x00007ff7c0e0fb0b
0x000000c00007ddf8:  0x00007ffafa28d490  0x0000000000000001
0x000000c00007de18:  0x0000000000000000  0x0000000000000000
0x000000c00007de38:  0x000000c00007def8  0x00007ff7c0e3f266
0x000000c00007de48:  0x00007ff7c0e89b81  0x00007ff7c0dbc8c7
0x000000c00007de58:  0x00007ff7c0dbc574  0x00007ff7c0e7e1c0
0x000000c00007de68:  0x0000000000000001  0x00007ffafa28d490
0x000000c00007de78:  0x00007ff7c0e3ee17
runtime.cgocallback(0x7ff7c0db39ec, 0x7ff7c0e0ec60, 0x7ff7c0f21460)
        D:/Go/src/runtime/asm_amd64.s:915 +0xd7 fp=0xc00007dd80 sp=0xc00007dd58 pc=0x7ffafa25d5b7

goroutine 1 [runnable, locked to thread]:
syscall.Syscall(0x7ffb442c52f0, 0x2, 0x340, 0x1c00007db74, 0x0)
        D:/Go/src/runtime/syscall_windows.go:479 +0xf4
syscall.GetConsoleMode(0x1c000302000, 0x1c00007db74)
        D:/Go/src/syscall/zsyscall_windows.go:692 +0x71
os.newFile(0x340, {0x7ffafa2c00dd, 0xb}, {0x7ffafa2bf2f0, 0x4})
        D:/Go/src/os/file_windows.go:46 +0x56
os.NewFile(...)
        D:/Go/src/os/file_windows.go:84
os.init()
        D:/Go/src/os/file.go:67 +0x249
exit status 2

[antong]

I think this may be a duplicate of #22192.

[seankhliao]

Duplicate of #22192