I have just been given the following stack trace for a program I working
on. The trace terminates before it gets into my program, making it's
utility close to zero. Does anyone have any idea why it is not extending
into main?
$ go build back.go
$ ./back
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x68 pc=0x458b26]
goroutine 5 [running]:
panic(0x4fa640, 0xc42000c0f0)
/home/daniel/Development/go/src/runtime/panic.go:500 +0x1a1
bytes.(*Buffer).ReadFrom(0x0, 0x59b6c0, 0xc420036048, 0xc420033e88, 0x1,
0x0)
/home/daniel/Development/go/src/bytes/buffer.go:158 +0x26
io.copyBuffer(0x59b340, 0x0, 0x59b6c0, 0xc420036048, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0)
/home/daniel/Development/go/src/io/io.go:384 +0x323
io.Copy(0x59b340, 0x0, 0x59b6c0, 0xc420036048, 0x0, 0x0, 0x0)
/home/daniel/Development/go/src/io/io.go:360 +0x68
os/exec.(*Cmd).writerDescriptor.func1(0x0, 0x0)
/home/daniel/Development/go/src/os/exec/exec.go:253 +0x4d
os/exec.(*Cmd).Start.func1(0xc4200806e0, 0xc4200106e0)
/home/daniel/Development/go/src/os/exec/exec.go:370 +0x27
created by os/exec.(*Cmd).Start
/home/daniel/Development/go/src/os/exec/exec.go:371 +0x4db
$ go version
go version go1.7.1 linux/amd64
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