panic: runtime error: index out of range [4291821569] with length 33331

goroutine 71 [running]:
compress/flate.(*compressor).findMatch(0xc0005240a0?, 0x8131, 0x67adbf?, 0x67bc0c?, 0xc0004743e0?)
	/usr/local/go/src/compress/flate/deflate.go:256 +0x29c
compress/flate.(*compressor).deflate(0xc000580000)
	/usr/local/go/src/compress/flate/deflate.go:436 +0x19e
compress/flate.(*compressor).write(0xc000580000, {0xc0007c2fe8?, 0x9ede, 0xbadaa0?})
	/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(0xc00050a030, {0xc0007c2fe8?, 0xc000373838?, 0xc0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpctype/rpc.go:153 +0x26
bufio.(*Writer).Write(0xc0002ac180, {0xc0007c2006?, 0x9c2b65?, 0xc000524130?})
	/usr/local/go/src/bufio/bufio.go:679 +0xea
encoding/gob.(*Encoder).writeMessage(0xc0005240a0, {0xd1ec40, 0xc0002ac180}, 0xc0005240d8)
	/usr/local/go/src/encoding/gob/encoder.go:82 +0x3bf
encoding/gob.(*Encoder).EncodeValue(0xc0005240a0, {0xa8a600?, 0xc00068e400?, 0x10?})
	/usr/local/go/src/encoding/gob/encoder.go:253 +0x448
encoding/gob.(*Encoder).Encode(0x1025bed46518312e?, {0xa8a600?, 0xc00068e400?})
	/usr/local/go/src/encoding/gob/encoder.go:176 +0x75
net/rpc.(*gobClientCodec).WriteRequest(0xc00050a6c0, 0xc00050a720?, {0xa8a600, 0xc00068e400})
	/usr/local/go/src/net/rpc/client.go:221 +0x53
net/rpc.(*Client).send(0xc0000af2c0, 0xc0003e9a90)
	/usr/local/go/src/net/rpc/client.go:91 +0x224
net/rpc.(*Client).Go(0xc0000af2c0, {0xc19c13, 0x14}, {0xa8a600, 0xc00068e400}, {0xa8a640, 0xc0003e9a40}, 0xc0009372c0)
	/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(0xaeb5c0?, {0xc19c13, 0x14}, {0xa8a600, 0xc00068e400}, {0xa8a640, 0xc0003e9a40})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpctype/rpc.go:110 +0x165
main.(*FuzzerTool).exchangeDataCall(0xc0000f4ea0, 0x1, {0xc000323710, 0x1, 0x1}, 0x1575ac)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:337 +0x1e8
main.(*FuzzerTool).exchangeDataWorker(0xc0000f4ea0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:366 +0x92
created by main.main in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:251 +0x133f