(CRASH) runtime error: makeslice: len out of range when using invalid range in object comprehension

[puremourning]

Steps to repro:

ben@BeniMac2020 jsonnet % cat repro.jsonnet
local list = ['a'];
{
  ['%s' % idx]: list[idx]
  for idx in std.range(2, std.length(list) -1)
}

Run : jsonnet repro.jsonnet

ben@BeniMac2020 jsonnet % jsonnet repro.jsonnet
INTERNAL ERROR: (CRASH) runtime error: makeslice: len out of range
goroutine 1 [running]:
runtime/debug.Stack()
	runtime/debug/stack.go:26 +0x5e
github.com/google/go-jsonnet.(*VM).Evaluate.func1()
	github.com/google/go-jsonnet/vm.go:187 +0x3d
panic({0x18823a0?, 0x18b20a0?})
	runtime/panic.go:792 +0x132
github.com/google/go-jsonnet.builtinRange(0xc000032b00, {0x18b3120?, 0xc000010f80?}, {0x18b3120, 0xc000010fa8})
	github.com/google/go-jsonnet/builtins.go:718 +0x86
github.com/google/go-jsonnet.(*binaryBuiltin).evalCall(0xc000114f60, {{0xc000027c20, 0x2, 0x2}, {0x1c160c0, 0x0, 0x0}, 0x0}, 0xc000032b00)
	github.com/google/go-jsonnet/builtins.go:2625 +0x20e
github.com/google/go-jsonnet.(*valueFunction).call(0xc000027330, 0xc000032b00, {{0xc000027c20, 0x2, 0x2}, {0x1c160c0, 0x0, 0x0}, 0x0})
	github.com/google/go-jsonnet/value.go:349 +0x122
github.com/google/go-jsonnet.(*interpreter).evaluateTailCall(0x18b4728?, 0xc00017e100?, {{0xc000027c20, 0x2, 0x2}, {0x1c160c0, 0x0, 0x0}, 0x0}, 0x1)
	github.com/google/go-jsonnet/interpreter.go:1037 +0x9d
github.com/google/go-jsonnet.(*interpreter).rawevaluate(0xc000032b00, {0x18b4728, 0xc00017e100}, 0x1)
	github.com/google/go-jsonnet/interpreter.go:621 +0x3be5
github.com/google/go-jsonnet.(*interpreter).evaluate(0xc000032b00, {0x18b4728, 0xc00017e100}, 0x1)
	github.com/google/go-jsonnet/interpreter.go:312 +0x4e
github.com/google/go-jsonnet.(*interpreter).EvalInCleanEnv(0xc000032b00, 0xc0001b6368?, {0x18b4728, 0xc00017e100}, 0x0?)
	github.com/google/go-jsonnet/interpreter.go:1019 +0x5f
github.com/google/go-jsonnet.(*cachedThunk).getValue(0xc00011a940, 0x2?)
	github.com/google/go-jsonnet/thunks.go:74 +0x45
github.com/google/go-jsonnet.(*binaryBuiltin).evalCall(0xc000115ce0, {{0xc000027bf0, 0x2, 0x2}, {0x1c160c0, 0x0, 0x0}, 0x0}, 0xc000032b00)
	github.com/google/go-jsonnet/builtins.go:2620 +0x1d3
github.com/google/go-jsonnet.(*valueFunction).call(0xc000027490, 0xc000032b00, {{0xc000027bf0, 0x2, 0x2}, {0x1c160c0, 0x0, 0x0}, 0x0})
	github.com/google/go-jsonnet/value.go:349 +0x122
github.com/google/go-jsonnet.(*interpreter).evaluateTailCall(0x18b4728?, 0xc00017e300?, {{0xc000027bf0, 0x2, 0x2}, {0x1c160c0, 0x0, 0x0}, 0x0}, 0x1)
	github.com/google/go-jsonnet/interpreter.go:1037 +0x9d
github.com/google/go-jsonnet.(*interpreter).rawevaluate(0xc000032b00, {0x18b4728, 0xc00017e300}, 0x1)
	github.com/google/go-jsonnet/interpreter.go:621 +0x3be5
github.com/google/go-jsonnet.(*interpreter).evaluate(0xc000032b00, {0x18b4728, 0xc00017e300}, 0x1)
	github.com/google/go-jsonnet/interpreter.go:312 +0x4e
github.com/google/go-jsonnet.(*interpreter).EvalInCleanEnv(0xc000032b00, 0xc0001b6bb0?, {0x18b4728, 0xc00017e300}, 0x0?)
	github.com/google/go-jsonnet/interpreter.go:1019 +0x5f
github.com/google/go-jsonnet.(*cachedThunk).getValue(0xc00011a680, 0x1?)
	github.com/google/go-jsonnet/thunks.go:74 +0x45
github.com/google/go-jsonnet.(*unaryBuiltin).evalCall(0xc000115cb0, {{0xc0000660d8, 0x1, 0x1}, {0x1c160c0, 0x0, 0x0}, 0x0}, 0xc000032b00)
	github.com/google/go-jsonnet/builtins.go:2580 +0x15a
github.com/google/go-jsonnet.(*valueFunction).call(0xc0000279d0, 0xc000032b00, {{0xc0000660d8, 0x1, 0x1}, {0x1c160c0, 0x0, 0x0}, 0x0})
	github.com/google/go-jsonnet/value.go:349 +0x122
github.com/google/go-jsonnet.(*interpreter).evaluateTailCall(0x18b4728?, 0xc00017e400?, {{0xc0000660d8, 0x1, 0x1}, {0x1c160c0, 0x0, 0x0}, 0x0}, 0x1)
	github.com/google/go-jsonnet/interpreter.go:1037 +0x9d
github.com/google/go-jsonnet.(*interpreter).rawevaluate(0xc000032b00, {0x18b4728, 0xc00017e400}, 0x1)
	github.com/google/go-jsonnet/interpreter.go:621 +0x3be5
github.com/google/go-jsonnet.(*interpreter).evaluate(0xc000032b00, {0x18b4728, 0xc00017e400}, 0x1)
	github.com/google/go-jsonnet/interpreter.go:312 +0x4e
github.com/google/go-jsonnet.(*interpreter).rawevaluate(0xc000032b00, {0x18b4578, 0xc000112a00}, 0x1)
	github.com/google/go-jsonnet/interpreter.go:555 +0x37c5
github.com/google/go-jsonnet.(*interpreter).evaluate(0xc000032b00, {0x18b4578, 0xc000112a00}, 0x1)
	github.com/google/go-jsonnet/interpreter.go:312 +0x4e
github.com/google/go-jsonnet.(*interpreter).EvalInCleanEnv(0xc000032b00, 0xd?, {0x18b4578, 0xc000112a00}, 0xb0?)
	github.com/google/go-jsonnet/interpreter.go:1019 +0x5f
github.com/google/go-jsonnet.evaluateAux(0xc000032b00, {0x18b4578, 0xc000112a00}, 0xc000115d70)
	github.com/google/go-jsonnet/interpreter.go:1327 +0x147
github.com/google/go-jsonnet.evaluate({0x18b4578, 0xc000112a00}, 0xc0001b7d68?, 0xc000115d70, 0x1885780?, 0xc000115ec0?, 0x7ff7bf8d2410?, {0x18b29c8?, 0xc000066038?}, 0x0, ...)
	github.com/google/go-jsonnet/interpreter.go:1362 +0x91
github.com/google/go-jsonnet.(*VM).Evaluate(0xc000115f20?, {0x18b4578?, 0xc000112a00?})
	github.com/google/go-jsonnet/vm.go:190 +0xba
github.com/google/go-jsonnet.(*VM).EvaluateFile(0xc00015c230, {0x7ff7bf8d2410?, 0xc000115c50?})
	github.com/google/go-jsonnet/vm.go:419 +0xb4
main.main()
	github.com/google/go-jsonnet/cmd/jsonnet/cmd.go:457 +0x6c5

Please report a bug here: https://github.com/google/go-jsonnet/issues

version:

ben@BeniMac2020 jsonnet % jsonnet -v
Jsonnet commandline interpreter (Go implementation) v0.21.0