dev mode with path enabled: panic when rewinding farther than 128 blocks.

[jwasinger]

Steps to reproduce the behaviour

Start geth in dev mode with path enabled, --datadir omitted. Create many blocks. Rewind the chain farther than 128 blocks.

Backtrace

ERROR[02-27|14:41:06.774] RPC method debug_setHead crashed: runtime error: invalid memory address or nil pointer dereference
goroutine 11000 [running]:
github.com/ethereum/go-ethereum/rpc.(*callback).call.func1()
	github.com/ethereum/go-ethereum/rpc/service.go:199 +0x74
panic({0x1065ece40, 0x10744c9a0})
	runtime/panic.go:884 +0x204
github.com/ethereum/go-ethereum/core/rawdb.(*ResettableFreezer).AncientRange(0x14001eb02a0?, {0x105eff918?, 0x140006f5120?}, 0x140003a0b28?, 0x140003a0c28?, 0x1065d4140?)
	github.com/ethereum/go-ethereum/core/rawdb/freezer_resettable.go:127 +0x34
github.com/ethereum/go-ethereum/core/rawdb.ReadStateHistoryMetaList(...)
	github.com/ethereum/go-ethereum/core/rawdb/accessors_state.go:180
github.com/ethereum/go-ethereum/triedb/pathdb.checkHistories(0x0, 0x8e94f000774ec435?, 0xb89b7709dbd314c8?, 0x1400262ac58)
	github.com/ethereum/go-ethereum/triedb/pathdb/history.go:548 +0x70
github.com/ethereum/go-ethereum/triedb/pathdb.(*Database).Recoverable(0x140001ce280, {0x5f, 0x91, 0x4e, 0xb1, 0x6c, 0xef, 0xb9, 0xb5, 0x35, ...})
	github.com/ethereum/go-ethereum/triedb/pathdb/database.go:397 +0x160
github.com/ethereum/go-ethereum/triedb.(*Database).Recoverable(0x1067534c0?, {0x5f, 0x91, 0x4e, 0xb1, 0x6c, 0xef, 0xb9, 0xb5, 0x35, ...})
	github.com/ethereum/go-ethereum/triedb/database.go:286 +0x44
github.com/ethereum/go-ethereum/core.(*BlockChain).stateRecoverable(0x14000210400, {0x5f, 0x91, 0x4e, 0xb1, 0x6c, 0xef, 0xb9, 0xb5, 0x35, ...})
	github.com/ethereum/go-ethereum/core/blockchain_reader.go:331 +0x7c
github.com/ethereum/go-ethereum/core.(*BlockChain).setHeadBeyondRoot.func1({0x12f1f0398, 0x14002f3b1d0}, 0x14001a68780)
	github.com/ethereum/go-ethereum/core/blockchain.go:676 +0x908
github.com/ethereum/go-ethereum/core.(*HeaderChain).setHead(0x140004ac6c0, 0x1, 0x0, 0x1400262b298, 0x1400262b278)
	github.com/ethereum/go-ethereum/core/headerchain.go:609 +0x340
github.com/ethereum/go-ethereum/core.(*HeaderChain).SetHead(...)
	github.com/ethereum/go-ethereum/core/headerchain.go:554
github.com/ethereum/go-ethereum/core.(*BlockChain).setHeadBeyondRoot(0x14000210400, 0x1, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...}, ...)
	github.com/ethereum/go-ethereum/core/blockchain.go:788 +0x280
github.com/ethereum/go-ethereum/core.(*BlockChain).SetHead(0x14000210400, 0x104f5615c?)
	github.com/ethereum/go-ethereum/core/blockchain.go:570 +0x34
github.com/ethereum/go-ethereum/eth.(*EthAPIBackend).SetHead(0x140006e8e88, 0x0?)
	github.com/ethereum/go-ethereum/eth/api_backend.go:64 +0x48
github.com/ethereum/go-ethereum/internal/ethapi.(*DebugAPI).SetHead(0x0?, 0x0?)
	github.com/ethereum/go-ethereum/internal/ethapi/api.go:2111 +0x28
reflect.Value.call({0x14000e26460?, 0x1400097c9a0?, 0x12f1317e0?}, {0x105ef45fe, 0x4}, {0x14000b6fef0, 0x2, 0x105716974?})
	reflect/value.go:586 +0x87c
reflect.Value.Call({0x14000e26460?, 0x1400097c9a0?, 0x1?}, {0x14000b6fef0?, 0x0?, 0x14000d38648?})
	reflect/value.go:370 +0x90
github.com/ethereum/go-ethereum/rpc.(*callback).call(0x14000025140, {0x106843998?, 0x14000b6fea0}, {0x14000d38620, 0xd}, {0x14001aa4618, 0x1, 0x10570f750?})
	github.com/ethereum/go-ethereum/rpc/service.go:205 +0x364
github.com/ethereum/go-ethereum/rpc.(*handler).runMethod(0x14000d38618?, {0x106843998?, 0x14000b6fea0?}, 0x14001a1b260, 0x1?, {0x14001aa4618?, 0x14002dcee38?, 0x0?})
	github.com/ethereum/go-ethereum/rpc/handler.go:565 +0x40
github.com/ethereum/go-ethereum/rpc.(*handler).handleCall(0x14000456000, 0x14001875470, 0x14001a1b260)
	github.com/ethereum/go-ethereum/rpc/handler.go:512 +0x1dc
github.com/ethereum/go-ethereum/rpc.(*handler).handleCallMsg(0x14000456000, 0x14000b6fea0?, 0x14001a1b260)
	github.com/ethereum/go-ethereum/rpc/handler.go:470 +0x1d4
github.com/ethereum/go-ethereum/rpc.(*handler).handleNonBatchCall(0x14000456000, 0x14001875470, 0x14001a1b260)
	github.com/ethereum/go-ethereum/rpc/handler.go:296 +0x174
github.com/ethereum/go-ethereum/rpc.(*handler).handleMsg.func1.1(0x106843998?)
	github.com/ethereum/go-ethereum/rpc/handler.go:269 +0x2c
github.com/ethereum/go-ethereum/rpc.(*handler).startCallProc.func1()
	github.com/ethereum/go-ethereum/rpc/handler.go:387 +0xc0
created by github.com/ethereum/go-ethereum/rpc.(*handler).startCallProc
	github.com/ethereum/go-ethereum/rpc/handler.go:383 +0x8c

[laumeng]

I also encountered the same problem ，have you solved it？