panic: runtime error: index out of range [297598674] with length 56482

goroutine 62 [running]:
compress/flate.(*compressor).findMatch(0xc0000a8640?, 0xdba0, 0x67adbf?, 0x67bc0c?, 0xc0002f4020?)
	/usr/local/go/src/compress/flate/deflate.go:256 +0x29c
compress/flate.(*compressor).deflate(0xc0005d4000)
	/usr/local/go/src/compress/flate/deflate.go:436 +0x19e
compress/flate.(*compressor).write(0xc0005d4000, {0xc0008a0fe7?, 0xff03, 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(0xc00015a2d0, {0xc0008a0fe7?, 0xc0008d7838?, 0xc0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpctype/rpc.go:153 +0x26
bufio.(*Writer).Write(0xc000154000, {0xc0008a0005?, 0x9c2e25?, 0xc0000a86d0?})
	/usr/local/go/src/bufio/bufio.go:679 +0xea
encoding/gob.(*Encoder).writeMessage(0xc0000a8640, {0xd1ed20, 0xc000154000}, 0xc0000a8678)
	/usr/local/go/src/encoding/gob/encoder.go:82 +0x3bf
encoding/gob.(*Encoder).EncodeValue(0xc0000a8640, {0xa8a600?, 0xc0007d3280?, 0xc0008d7a40?})
	/usr/local/go/src/encoding/gob/encoder.go:253 +0x448
encoding/gob.(*Encoder).Encode(0x9e7cc04b8d928931?, {0xa8a600?, 0xc0007d3280?})
	/usr/local/go/src/encoding/gob/encoder.go:176 +0x75
net/rpc.(*gobClientCodec).WriteRequest(0xc00015a3c0, 0xc00015a3f0?, {0xa8a600, 0xc0007d3280})
	/usr/local/go/src/net/rpc/client.go:221 +0x53
net/rpc.(*Client).send(0xc00012c6c0, 0xc0003ab0e0)
	/usr/local/go/src/net/rpc/client.go:91 +0x224
net/rpc.(*Client).Go(0xc00012c6c0, {0xc19c13, 0x14}, {0xa8a600, 0xc0007d3280}, {0xa8a640, 0xc0003ab090}, 0xc00089e060)
	/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, 0xc0007d3280}, {0xa8a640, 0xc0003ab090})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpctype/rpc.go:110 +0x165
main.(*FuzzerTool).exchangeDataCall(0xc0001b24e0, 0x1, {0xc0007fb440, 0x1, 0x1}, 0x8949f2)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:337 +0x1e8
main.(*FuzzerTool).exchangeDataWorker(0xc0001b24e0)
	/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