gmtls握手panic

[vam1223]

2023/08/0117:38:35http:panicserving171.91.3.32:9055:runtimeerror:invalidmemoryaddressornilpointerdereference
goroutine207732[running]:
net/http.(*conn).serve.func1()
/usr/go/src/net/http/server.go:1802+0xb9
panic({0xf8f440,0x1b17d90})
/usr/go/src/runtime/panic.go:1047+0x266
github.com/tjfoc/gmsm/gmtls.finishedHash.clientSum({{0x127a458,0xc003b61500},{0x127a458,0xc003b61570},{0x127a418,0xc00b498d20},{0x127a418,0xc00b498d80},{0x0,0x0,...},...},...)
/root/go/pkg/mod/github.com/tjfoc/gmsm@v1.4.1/gmtls/prf.go:328+0x100
github.com/tjfoc/gmsm/gmtls.(*serverHandshakeState).readFinished(0xc00351b4a0,{0xc0023580e9,0xc,0xc0003e2240})
/root/go/pkg/mod/github.com/tjfoc/gmsm@v1.4.1/gmtls/handshake_server.go:615+0x1df
github.com/tjfoc/gmsm/gmtls.(*Conn).serverHandshake(0xc002358000)
/root/go/pkg/mod/github.com/tjfoc/gmsm@v1.4.1/gmtls/handshake_server.go:103+0x232
github.com/tjfoc/gmsm/gmtls.(*Conn).Handshake(0xc002358000)
/root/go/pkg/mod/github.com/tjfoc/gmsm@v1.4.1/gmtls/conn.go:1289+0x1ca
github.com/tjfoc/gmsm/gmtls.(*Conn).Read(0xc002358000,{0xc004389000,0x1000,0xc009c42788})
/root/go/pkg/mod/github.com/tjfoc/gmsm@v1.4.1/gmtls/conn.go:1141+0x55
git.woa.com/bmax/go-nginx/chttp.(*SecConn).Read(0xc009c42780,{0xc004389000,0x10538a0,0xc00c0e8601})
/root/go/pkg/mod/git.woa.com/bmax/go-nginx@v0.0.0-20221104065135-b682a56bf021/chttp/chttp_conn.go:24+0x26
net/http.(*connReader).Read(0xc009c42780,{0xc004389000,0x1000,0x1000})