panic: runtime error: invalid memory address or nil pointer dereference

[rfikki]

System information
Mainnet crash
Geth version: geth version
OS & Version: Windows/Linux/OSX
Commit hash : (if develop)
Geth/Geth LIGHTCLIENT MAINNET Network/v1.8.0-unstable-0544a43c/linux-amd64/go1.9.4

Expected behaviour
No crash

Actual behaviour
crash

Backtrace

INFO [02-14|21:39:14] Imported new block headers               count=1    elapsed=6.870ms   number=5092440 hash=97374e…fd6688 ignored=0
INFO [02-14|21:39:28] Imported new block headers               count=1    elapsed=6.871ms   number=5092441 hash=82db45…4f5583 ignored=0
INFO [02-14|21:39:33] Imported new block headers               count=1    elapsed=6.757ms   number=5092442 hash=4abb23…416097 ignored=0
INFO [02-14|21:39:40] Imported new block headers               count=1    elapsed=7.165ms   number=5092443 hash=94f090…861130 ignored=0
INFO [02-14|21:39:57] Imported new block headers               count=1    elapsed=7.258ms   number=5092444 hash=deac57…39cb6d ignored=0
INFO [02-14|21:39:59] Imported new block headers               count=1    elapsed=6.779ms   number=5092445 hash=ca5b26…351008 ignored=0
INFO [02-14|21:40:23] Imported new block headers               count=1    elapsed=7.302ms   number=5092446 hash=a97ec6…aada68 ignored=0
INFO [02-14|21:40:25] Imported new block headers               count=1    elapsed=6.786ms   number=5092447 hash=3afecc…ef854e ignored=0
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x1c0 pc=0xb23cef]

goroutine 27465 [running]:
math/big.(*Int).Uint64(...)
        /home/travis/gopath/src/github.com/ethereum/go-ethereum/les/fetcher.go:567
github.com/ethereum/go-ethereum/les.(*lightFetcher).checkAnnouncedHeaders(0xc42c8ffd80, 0xc42f936340, 0xc42feb6260, 0x1, 0x1, 0xc42feb6258, 0x1, 0x1, 0xa)
        /home/travis/gopath/src/github.com/ethereum/go-ethereum/les/fetcher.go:567 +0x19f
github.com/ethereum/go-ethereum/les.(*lightFetcher).checkKnownNode(0xc42c8ffd80, 0xc42d28c300, 0xc42f71f980, 0xc4485ff3d8)
        /home/travis/gopath/src/github.com/ethereum/go-ethereum/les/fetcher.go:652 +0x1fa
github.com/ethereum/go-ethereum/les.(*lightFetcher).announce(0xc42c8ffd80, 0xc42d28c300, 0xc44a36ef50)
        /home/travis/gopath/src/github.com/ethereum/go-ethereum/les/fetcher.go:327 +0x861
github.com/ethereum/go-ethereum/les.(*ProtocolManager).handleMsg(0xc4201721e0, 0xc42d28c300, 0x0, 0x0)
        /home/travis/gopath/src/github.com/ethereum/go-ethereum/les/handler.go:398 +0x931
github.com/ethereum/go-ethereum/les.(*ProtocolManager).handle(0xc4201721e0, 0xc42d28c300, 0x0, 0x0)
        /home/travis/gopath/src/github.com/ethereum/go-ethereum/les/handler.go:325 +0x770
github.com/ethereum/go-ethereum/les.NewProtocolManager.func1(0xc42d968ae0, 0x186d880, 0xc42d0f2230, 0x0, 0x0)
        /home/travis/gopath/src/github.com/ethereum/go-ethereum/les/handler.go:174 +0x252
github.com/ethereum/go-ethereum/p2p.(*Peer).startProtocols.func1(0xc42d0f2230, 0xc42d968ae0, 0x186d880, 0xc42d0f2230)
        /home/travis/gopath/src/github.com/ethereum/go-ethereum/p2p/peer.go:349 +0x66
created by github.com/ethereum/go-ethereum/p2p.(*Peer).startProtocols
        /home/travis/gopath/src/github.com/ethereum/go-ethereum/p2p/peer.go:348 +0x228