replica crash with runtime error: index out of range [3] with length 3

[mixmasala]

Observed while testing talekfrontend with talekclient

2024-03-11 13:11:54.075169 I | http: panic serving 127.0.0.1:48240: runtime error: index out of range [3] with length 3
goroutine 51 [running]:
net/http.(*conn).serve.func1()
	/usr/local/go/src/net/http/server.go:1854 +0xbf
panic({0x809120, 0xc0000d8060})
	/usr/local/go/src/runtime/panic.go:890 +0x263
github.com/privacylab/talek/common.(*EncodedReadArgs).Decode(0xc00069d138, 0x3, 0xc0001160d0)
	/go/src/github.com/privacylab/talek/common/readargs.go:75 +0x205
github.com/privacylab/talek/server.(*Replica).BatchRead(0xc0000ca180, 0xc00007c730, 0xc000118090)
	/go/src/github.com/privacylab/talek/server/replica.go:107 +0x3ee
reflect.Value.call({0xc0000b43c0?, 0xc0000b24c0?, 0xc00069d840?}, {0x82a9fd, 0x4}, {0xc00069d988, 0x3, 0xc00069d870?})
	/usr/local/go/src/reflect/value.go:586 +0xb07
reflect.Value.Call({0xc0000b43c0?, 0xc0000b24c0?, 0xc00007c730?}, {0xc00069d988?, 0x4720c6?, 0x4?})
	/usr/local/go/src/reflect/value.go:370 +0xbc
github.com/gorilla/rpc.(*Server).ServeHTTP(0xc0000a2960, {0x8cdcf0, 0xc0006fc000}, 0xc0006ec000)
	/go/pkg/mod/github.com/gorilla/[email protected]/server.go:226 +0x693
net/http.serverHandler.ServeHTTP({0x8cc8d0?}, {0x8cdcf0, 0xc0006fc000}, 0xc0006ec000)
	/usr/local/go/src/net/http/server.go:2936 +0x316
net/http.(*conn).serve(0xc000624090, {0x8cdf78, 0xc0000002a0})
	/usr/local/go/src/net/http/server.go:1995 +0x612
created by net/http.(*Server).Serve
	/usr/local/go/src/net/http/server.go:3089 +0x5ed