panic: runtime error: index out of range [297664210] with length 62928

goroutine 1 [running]:
compress/flate.(*compressor).findMatch(0xc0000a85a0?, 0xf4ce, 0x68031f?, 0x68116c?, 0xc0002765c0?)
	/usr/local/go/src/compress/flate/deflate.go:256 +0x29c
compress/flate.(*compressor).deflate(0xc00051c000)
	/usr/local/go/src/compress/flate/deflate.go:436 +0x19e
compress/flate.(*compressor).write(0xc00051c000, {0xc000380fe8?, 0xbb86, 0xbbb560?})
	/usr/local/go/src/compress/flate/deflate.go:544 +0x72
compress/flate.(*Writer).Write(...)
	/usr/local/go/src/compress/flate/deflate.go:710
github.com/google/syzkaller/pkg/rpctype.(*flateConn).Write(0xc00018a8a0, {0xc000380fe8?, 0xc0004a5308?, 0xc0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpctype/rpc.go:128 +0x26
bufio.(*Writer).Write(0xc0001d00c0, {0xc000380006?, 0x9c8825?, 0xc0000a8630?})
	/usr/local/go/src/bufio/bufio.go:679 +0xea
encoding/gob.(*Encoder).writeMessage(0xc0000a85a0, {0xd9b760, 0xc0001d00c0}, 0xc0000a85d8)
	/usr/local/go/src/encoding/gob/encoder.go:82 +0x3bf
encoding/gob.(*Encoder).EncodeValue(0xc0000a85a0, {0xa95280?, 0xc000856d80?, 0xc0004a54f0?})
	/usr/local/go/src/encoding/gob/encoder.go:253 +0x448
encoding/gob.(*Encoder).Encode(0xaacbfce0b7e051b2?, {0xa95280?, 0xc000856d80?})
	/usr/local/go/src/encoding/gob/encoder.go:176 +0x75
net/rpc.(*gobClientCodec).WriteRequest(0xc00018a990, 0xc00018a9c0?, {0xa95280, 0xc000856d80})
	/usr/local/go/src/net/rpc/client.go:221 +0x53
net/rpc.(*Client).send(0xc000175560, 0xc0007da320)
	/usr/local/go/src/net/rpc/client.go:91 +0x224
net/rpc.(*Client).Go(0xc000175560, {0xc29091, 0x14}, {0xa95280, 0xc000856d80}, {0xa952c0, 0xc0007da2d0}, 0xc0005fb4a0)
	/usr/local/go/src/net/rpc/client.go:315 +0x13a
net/rpc.(*Client).Call(...)
	/usr/local/go/src/net/rpc/client.go:321
github.com/google/syzkaller/pkg/rpctype.(*RPCClient).Call(0xc0000a2840, {0xc29091, 0x14}, {0xa95280, 0xc000856d80}, {0xa952c0, 0xc0007da2d0})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpctype/rpc.go:88 +0x145
main.(*FuzzerTool).exchangeDataCall(0xc000035ad0, {0xc000378f20, 0x1, 0x1}, 0x106b18)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:287 +0x216
main.(*FuzzerTool).exchangeDataWorker(0xc000035ad0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:327 +0x76
main.main()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:214 +0x130a