fatal error: unexpected signal during runtime execution
[signal SIGSEGV: segmentation violation code=0x1 addr=0x4 pc=0x230a2e0]

runtime stack:
runtime.throw({0x51295d?, 0x2d00f48?})
	GOROOT/src/runtime/panic.go:1047 +0x40 fp=0xfffeccff8bc0 sp=0xfffeccff8b90 pc=0x12559d0
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:821 +0x240 fp=0xfffeccff8c00 sp=0xfffeccff8bc0 pc=0x126e1b0
racecall()
	src/runtime/race_arm64.s:423 +0x24 fp=0xfffeccff8c10 sp=0xfffeccff8c10 pc=0x128d6b4