fatal error: unexpected signal during runtime execution
[signal SIGSEGV: segmentation violation code=0x1 addr=0x4 pc=0x230cc00]

runtime stack:
runtime.throw({0x513132?, 0x2d03248?})
	GOROOT/src/runtime/panic.go:1047 +0x40 fp=0xfffe33ffebc0 sp=0xfffe33ffeb90 pc=0x12569d0
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:821 +0x240 fp=0xfffe33ffec00 sp=0xfffe33ffebc0 pc=0x126f1b0
racecall()
	src/runtime/race_arm64.s:423 +0x24 fp=0xfffe33ffec10 sp=0xfffe33ffec10 pc=0x128e6b4