fatal error: unexpected signal during runtime execution
[signal SIGSEGV: segmentation violation code=0x1 addr=0x4 pc=0x230e560]

runtime stack:
runtime.throw({0x5133c1?, 0x2d04608?})
	GOROOT/src/runtime/panic.go:1047 +0x40 fp=0xfffef67fbbc0 sp=0xfffef67fbb90 pc=0x12581d0
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:821 +0x240 fp=0xfffef67fbc00 sp=0xfffef67fbbc0 pc=0x12709b0
racecall()
	src/runtime/race_arm64.s:423 +0x24 fp=0xfffef67fbc10 sp=0xfffef67fbc10 pc=0x128feb4