panic: runtime error: index out of range [1739747330] with length 50446 goroutine 52 [running]: compress/flate.(*compressor).findMatch(0xc0000a9860?, 0xc40c, 0x68031f?, 0x68116c?, 0xc0004245c0?) /usr/local/go/src/compress/flate/deflate.go:256 +0x29c compress/flate.(*compressor).deflate(0xc000564000) /usr/local/go/src/compress/flate/deflate.go:436 +0x19e compress/flate.(*compressor).write(0xc000564000, {0xc000a2efe8?, 0x7bd1, 0xbba7e0?}) /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(0xc0000e09f0, {0xc000a2efe8?, 0xc0006ab808?, 0xc0?}) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpctype/rpc.go:128 +0x26 bufio.(*Writer).Write(0xc000356100, {0xc000a2e006?, 0xa094a5?, 0xc0000a98f0?}) /usr/local/go/src/bufio/bufio.go:679 +0xea encoding/gob.(*Encoder).writeMessage(0xc0000a9860, {0xd9a460, 0xc000356100}, 0xc0000a9898) /usr/local/go/src/encoding/gob/encoder.go:82 +0x3bf encoding/gob.(*Encoder).EncodeValue(0xc0000a9860, {0xa94120?, 0xc000800580?, 0xc0006ab9f0?}) /usr/local/go/src/encoding/gob/encoder.go:253 +0x448 encoding/gob.(*Encoder).Encode(0x10d5c07e8db7de99?, {0xa94120?, 0xc000800580?}) /usr/local/go/src/encoding/gob/encoder.go:176 +0x75 net/rpc.(*gobClientCodec).WriteRequest(0xc0000e0ae0, 0xc0000e0b10?, {0xa94120, 0xc000800580}) /usr/local/go/src/net/rpc/client.go:221 +0x53 net/rpc.(*Client).send(0xc0000df380, 0xc00080f540) /usr/local/go/src/net/rpc/client.go:91 +0x224 net/rpc.(*Client).Go(0xc0000df380, {0xc28265, 0x14}, {0xa94120, 0xc000800580}, {0xa94160, 0xc00080f4f0}, 0xc000802840) /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(0xc000010360, {0xc28265, 0x14}, {0xa94120, 0xc000800580}, {0xa94160, 0xc00080f4f0}) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpctype/rpc.go:88 +0x145 main.(*FuzzerTool).exchangeDataCall(0xc0000a7930, {0xc0009abad0, 0x1, 0x1}, 0x964640) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:264 +0x21c main.(*FuzzerTool).exchangeDataWorker(0xc0000a7930) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:304 +0x76 created by main.main in goroutine 1 /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:202 +0x1168 OpenBSD/amd64 (Amnesiac) (tty00) login: