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runtime: can't call from Go to c-shared Go library on Darwin #38692

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@khaitranvan96kt

Description

@khaitranvan96kt

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

$ go version
go version go1.13.10 darwin/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="/Users/trankhai/Library/Caches/go-build"
GOENV="/Users/trankhai/Library/Application Support/go/env"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="darwin"
GONOPROXY=""
GONOSUMDB=""
GOOS="darwin"
GOPATH="/Users/trankhai/go"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/usr/local/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/darwin_amd64"
GCCGO="gccgo"
AR="ar"
CC="clang"
CXX="clang++"
CGO_ENABLED="1"
GOMOD="/Users/trankhai/Documents/GitHub/2hat_contest2/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 -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/2_/9794qxcj4l56p3k1z5_y9v040000gn/T/go-build055049177=/tmp/go-build -gno-record-gcc-switches -fno-common"

What did you do?

I wrote a program that combines golang vs python. I call from golang to python and from python call to golang. It works great in Ubuntu but can't work in macos.

Then run the program in macOS Catalina v10.15.3:

fatal error: unexpected signal during runtime execution
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x6238648]

goroutine 20 [running, locked to thread]:
runtime.throw(0x62f3e2d, 0x2a)
	/usr/local/go/src/runtime/panic.go:774 +0x72 fp=0xc0000e71d8 sp=0xc0000e71a8 pc=0x620d382
runtime.sigpanic()
	/usr/local/go/src/runtime/signal_unix.go:378 +0x47c fp=0xc0000e7208 sp=0xc0000e71d8 pc=0x621ffbc
runtime.memmove(0x0, 0xc00006f800, 0x1)
	/usr/local/go/src/runtime/memmove_amd64.s:146 +0x108 fp=0xc0000e7210 sp=0xc0000e7208 pc=0x6238648
runtime.heapBitsSetType(0xc00006f800, 0x400, 0x400, 0x62d5640)
	/usr/local/go/src/runtime/mbitmap.go:1400 +0x45d fp=0xc0000e72e8 sp=0xc0000e7210 pc=0x61f66fd
runtime.mallocgc(0x400, 0x62d5640, 0xc0000d4001, 0x8)
	/usr/local/go/src/runtime/malloc.go:1052 +0x53e fp=0xc0000e7388 sp=0xc0000e72e8 pc=0x61ede1e
runtime.makeslice(0x62d5640, 0x8, 0x8, 0x0)
	/usr/local/go/src/runtime/slice.go:49 +0x6c fp=0xc0000e73b8 sp=0xc0000e7388 pc=0x6220b2c
sync.(*Pool).pinSlow(0x63bbce0, 0x0, 0x0)
	/usr/local/go/src/sync/pool.go:227 +0xfa fp=0xc0000e7458 sp=0xc0000e73b8 pc=0x623fefa
sync.(*Pool).pin(0x63bbce0, 0x1, 0xc0000e74d8)
	/usr/local/go/src/sync/pool.go:206 +0x5e fp=0xc0000e7480 sp=0xc0000e7458 pc=0x623fdce
sync.(*Pool).Get(0x63bbce0, 0x1c025ae5de0, 0xc0000e7558)
	/usr/local/go/src/sync/pool.go:128 +0x2f fp=0xc0000e74c8 sp=0xc0000e7480 pc=0x623fa8f
encoding/json.newEncodeState(0x1c01e2dad20)
	/usr/local/go/src/encoding/json/encode.go:286 +0x31 fp=0xc0000e74f0 sp=0xc0000e74c8 pc=0x629e151
encoding/json.Marshal(0x62ca280, 0x1c0000921e0, 0xc0000e75f8, 0x62ca280, 0x1c0000921e0, 0x40cdb01, 0xc0001121b0)
	/usr/local/go/src/encoding/json/encode.go:159 +0x26 fp=0xc0000e7568 sp=0xc0000e74f0 pc=0x629da66
main.GetTopics(0x60369b4, 0x4, 0x0)
	/Users/trankhai/Documents/GitHub/2hat_contest2/hybrid_go.go:46 +0xf9 fp=0xc0000e7618 sp=0xc0000e7568 pc=0x62ad369
main._cgoexpwrap_d079111cff13_GetTopics(0x60369b4, 0x4, 0x0)
	_cgo_gotypes.go:64 +0x72 fp=0xc0000e7678 sp=0xc0000e7618 pc=0x62acf32
runtime.call32(0x0, 0x7ffeefbff1b0, 0x7ffeefbff240, 0x18)
	/usr/local/go/src/runtime/asm_amd64.s:539 +0x3b fp=0xc0000e76a8 sp=0xc0000e7678 pc=0x62356cb
runtime.cgocallbackg1(0x0)
	/usr/local/go/src/runtime/cgocall.go:314 +0x1b7 fp=0xc0000e7790 sp=0xc0000e76a8 pc=0x61e5847
runtime.cgocallbackg(0x0)
	/usr/local/go/src/runtime/cgocall.go:191 +0xc1 fp=0xc0000e77f8 sp=0xc0000e7790 pc=0x61e55f1
runtime: unexpected return pc for runtime.cgocallback_gofunc called from 0x405ae42
stack: frame={sp:0xc0000e77f8, fp:0xc0000e7818} stack=[0xc0000e6000,0xc0000e8000)
000000c0000e76f8:  0000000000000006  00000000000001ff 
000000c0000e7708:  0000000000000008  000000c0000e76a8 
000000c0000e7718:  00000000061e57f5 <runtime.cgocallbackg1+357>  00000000062f5ba0 
000000c0000e7728:  0000000000000000  000000c0000e7980 
000000c0000e7738:  000000c0000e76ef  0000000000000002 
000000c0000e7748:  0000000000000019  000000c0000e7780 
000000c0000e7758:  0000000006215ed0 <runtime.exitsyscall+416>  000000c000078300 
000000c0000e7768:  0000000200000003  000000c000078300 
000000c0000e7778:  000000c000078300  000000c0000e77e8 
000000c0000e7788:  00000000061e55f1 <runtime.cgocallbackg+193>  0000000000000000 
000000c0000e7798:  0000000004005f65  0000000004004d9b 
000000c0000e77a8:  0000000000000000  0000000000000000 
000000c0000e77b8:  0000000000000000  0000000000000000 
000000c0000e77c8:  0000000000000000  0000000000000000 
000000c0000e77d8:  000000c0000e7820  000000c000078300 
000000c0000e77e8:  00007ffeefbff170  0000000006236c9b <runtime.cgocallback_gofunc+155> 
000000c0000e77f8: <0000000000000000  000000000458c5c0 
000000c0000e7808:  000000c0000e7820 !000000000405ae42 
000000c0000e7818: >0000000004004dbf  0000000004285c60 
000000c0000e7828:  000000c0000e7888  000000c0000e7878 
000000c0000e7838:  0000000004005405  000000000458c5c0 
000000c0000e7848:  000000c0000e7878  00000000040e455e 
000000c0000e7858:  0000000004285c60  000000c0000e7888 
000000c0000e7868:  000000c000026500  000000c0000e7888 
000000c0000e7878:  000000c0000e78c8  00000000040e5d26 
000000c0000e7888:  0000000006033e60  00000000057e0690 
000000c0000e7898:  00000000057e8398  0000000000000000 
000000c0000e78a8:  0000000000000000  00000000057e8398 
000000c0000e78b8:  00000000057e0690  0000000006033e60 
000000c0000e78c8:  000000c0000e7900  00000000040e5283 
000000c0000e78d8:  000000c0000d4050  000000c0000d4058 
000000c0000e78e8:  000000c0000d4068  000000c0000d4068 
000000c0000e78f8:  00000000057e8398  000000c0000e79e0 
000000c0000e7908:  000000000428334c  000000c0000d4050 
runtime.cgocallback_gofunc(0x4004dbf, 0x4285c60, 0xc0000e7888, 0xc0000e7878)
	/usr/local/go/src/runtime/asm_amd64.s:793 +0x9b fp=0xc0000e7818 sp=0xc0000e77f8 pc=0x6236c9b

goroutine 2 [force gc (idle)]:
runtime.gopark(0x62f5a30, 0x63bbbc0, 0x1411, 0x1)
	/usr/local/go/src/runtime/proc.go:304 +0xe0 fp=0x1c000044fb0 sp=0x1c000044f90 pc=0x620f0d0
runtime.goparkunlock(...)
	/usr/local/go/src/runtime/proc.go:310
runtime.forcegchelper()
	/usr/local/go/src/runtime/proc.go:253 +0xb7 fp=0x1c000044fe0 sp=0x1c000044fb0 pc=0x620ef87
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1357 +0x1 fp=0x1c000044fe8 sp=0x1c000044fe0 pc=0x62373c1
created by runtime.init.5
	/usr/local/go/src/runtime/proc.go:242 +0x35

goroutine 3 [GC sweep wait]:
runtime.gopark(0x62f5a30, 0x63bbcc0, 0x140c, 0x1)
	/usr/local/go/src/runtime/proc.go:304 +0xe0 fp=0x1c0000457a8 sp=0x1c000045788 pc=0x620f0d0
runtime.goparkunlock(...)
	/usr/local/go/src/runtime/proc.go:310
runtime.bgsweep(0x1c00006a000)
	/usr/local/go/src/runtime/mgcsweep.go:89 +0x131 fp=0x1c0000457d8 sp=0x1c0000457a8 pc=0x6202c01
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1357 +0x1 fp=0x1c0000457e0 sp=0x1c0000457d8 pc=0x62373c1
created by runtime.gcenable
	/usr/local/go/src/runtime/mgc.go:210 +0x5c

goroutine 4 [GC scavenge wait]:
runtime.gopark(0x62f5a30, 0x63bbe60, 0x140d, 0x1)
	/usr/local/go/src/runtime/proc.go:304 +0xe0 fp=0x1c000045f40 sp=0x1c000045f20 pc=0x620f0d0
runtime.goparkunlock(...)
	/usr/local/go/src/runtime/proc.go:310
runtime.bgscavenge(0x1c00006a000)
	/usr/local/go/src/runtime/mgcscavenge.go:374 +0x3b3 fp=0x1c000045fd8 sp=0x1c000045f40 pc=0x62024c3
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1357 +0x1 fp=0x1c000045fe0 sp=0x1c000045fd8 pc=0x62373c1
created by runtime.gcenable
	/usr/local/go/src/runtime/mgc.go:211 +0x7e

goroutine 18 [finalizer wait]:
runtime.gopark(0x62f5a30, 0x63d71a8, 0x1410, 0x1)
	/usr/local/go/src/runtime/proc.go:304 +0xe0 fp=0x1c000044758 sp=0x1c000044738 pc=0x620f0d0
runtime.goparkunlock(...)
	/usr/local/go/src/runtime/proc.go:310
runtime.runfinq()
	/usr/local/go/src/runtime/mfinal.go:175 +0xa3 fp=0x1c0000447e0 sp=0x1c000044758 pc=0x61f8be3
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1357 +0x1 fp=0x1c0000447e8 sp=0x1c0000447e0 pc=0x62373c1
created by runtime.createfing
	/usr/local/go/src/runtime/mfinal.go:156 +0x61

goroutine 19 [GC worker (idle)]:
runtime.gopark(0x62f58a8, 0x1c000016090, 0x1418, 0x0)
	/usr/local/go/src/runtime/proc.go:304 +0xe0 fp=0x1c000040760 sp=0x1c000040740 pc=0x620f0d0
runtime.gcBgMarkWorker(0x1c000024000)
	/usr/local/go/src/runtime/mgc.go:1846 +0xff fp=0x1c0000407d8 sp=0x1c000040760 pc=0x61fc46f
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1357 +0x1 fp=0x1c0000407e0 sp=0x1c0000407d8 pc=0x62373c1
created by runtime.gcBgMarkStartWorkers
	/usr/local/go/src/runtime/mgc.go:1794 +0x77

goroutine 34 [GC worker (idle)]:
runtime.gopark(0x62f58a8, 0x1c0000160a0, 0x1418, 0x0)
	/usr/local/go/src/runtime/proc.go:304 +0xe0 fp=0x1c0013c2760 sp=0x1c0013c2740 pc=0x620f0d0
runtime.gcBgMarkWorker(0x1c000026500)
	/usr/local/go/src/runtime/mgc.go:1846 +0xff fp=0x1c0013c27d8 sp=0x1c0013c2760 pc=0x61fc46f
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1357 +0x1 fp=0x1c0013c27e0 sp=0x1c0013c27d8 pc=0x62373c1
created by runtime.gcBgMarkStartWorkers
	/usr/local/go/src/runtime/mgc.go:1794 +0x77

goroutine 5 [GC worker (idle)]:
runtime.gopark(0x62f58a8, 0x1c0000160b0, 0x1418, 0x0)
	/usr/local/go/src/runtime/proc.go:304 +0xe0 fp=0x1c000046760 sp=0x1c000046740 pc=0x620f0d0
runtime.gcBgMarkWorker(0x1c000028a00)
	/usr/local/go/src/runtime/mgc.go:1846 +0xff fp=0x1c0000467d8 sp=0x1c000046760 pc=0x61fc46f
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1357 +0x1 fp=0x1c0000467e0 sp=0x1c0000467d8 pc=0x62373c1
created by runtime.gcBgMarkStartWorkers
	/usr/local/go/src/runtime/mgc.go:1794 +0x77

goroutine 6 [GC worker (idle)]:
runtime.gopark(0x62f58a8, 0x1c0000ac090, 0x1418, 0x0)
	/usr/local/go/src/runtime/proc.go:304 +0xe0 fp=0x1c000046f60 sp=0x1c000046f40 pc=0x620f0d0
runtime.gcBgMarkWorker(0x1c00002af00)
	/usr/local/go/src/runtime/mgc.go:1846 +0xff fp=0x1c000046fd8 sp=0x1c000046f60 pc=0x61fc46f
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1357 +0x1 fp=0x1c000046fe0 sp=0x1c000046fd8 pc=0x62373c1
created by runtime.gcBgMarkStartWorkers
	/usr/local/go/src/runtime/mgc.go:1794 +0x77

goroutine 35 [GC worker (idle)]:
runtime.gopark(0x62f58a8, 0x1c0013c8000, 0x1418, 0x0)
	/usr/local/go/src/runtime/proc.go:304 +0xe0 fp=0x1c0013c2f60 sp=0x1c0013c2f40 pc=0x620f0d0
runtime.gcBgMarkWorker(0x1c00002d400)
	/usr/local/go/src/runtime/mgc.go:1846 +0xff fp=0x1c0013c2fd8 sp=0x1c0013c2f60 pc=0x61fc46f
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1357 +0x1 fp=0x1c0013c2fe0 sp=0x1c0013c2fd8 pc=0x62373c1
created by runtime.gcBgMarkStartWorkers
	/usr/local/go/src/runtime/mgc.go:1794 +0x77

goroutine 36 [GC worker (idle)]:
runtime.gopark(0x62f58a8, 0x1c0000ac0a0, 0x1418, 0x0)
	/usr/local/go/src/runtime/proc.go:304 +0xe0 fp=0x1c0013c3760 sp=0x1c0013c3740 pc=0x620f0d0
runtime.gcBgMarkWorker(0x1c00002f900)
	/usr/local/go/src/runtime/mgc.go:1846 +0xff fp=0x1c0013c37d8 sp=0x1c0013c3760 pc=0x61fc46f
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1357 +0x1 fp=0x1c0013c37e0 sp=0x1c0013c37d8 pc=0x62373c1
created by runtime.gcBgMarkStartWorkers
	/usr/local/go/src/runtime/mgc.go:1794 +0x77

goroutine 7 [GC worker (idle)]:
runtime.gopark(0x62f58a8, 0x1c0000160c0, 0x1418, 0x0)
	/usr/local/go/src/runtime/proc.go:304 +0xe0 fp=0x1c000047760 sp=0x1c000047740 pc=0x620f0d0
runtime.gcBgMarkWorker(0x1c000032000)
	/usr/local/go/src/runtime/mgc.go:1846 +0xff fp=0x1c0000477d8 sp=0x1c000047760 pc=0x61fc46f
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1357 +0x1 fp=0x1c0000477e0 sp=0x1c0000477d8 pc=0x62373c1
created by runtime.gcBgMarkStartWorkers
	/usr/local/go/src/runtime/mgc.go:1794 +0x77

goroutine 8 [GC worker (idle)]:
runtime.gopark(0x62f58a8, 0x1c0013c8010, 0x1418, 0x0)
	/usr/local/go/src/runtime/proc.go:304 +0xe0 fp=0x1c000047f60 sp=0x1c000047f40 pc=0x620f0d0
runtime.gcBgMarkWorker(0x1c000034500)
	/usr/local/go/src/runtime/mgc.go:1846 +0xff fp=0x1c000047fd8 sp=0x1c000047f60 pc=0x61fc46f
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1357 +0x1 fp=0x1c000047fe0 sp=0x1c000047fd8 pc=0x62373c1
created by runtime.gcBgMarkStartWorkers
	/usr/local/go/src/runtime/mgc.go:1794 +0x77
exit status 2

What did you expect to see?

Program successfully

What did you see instead?

Program panic

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    NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.OS-Darwin

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