nil pointer error inside protobuf library.

[akhil200]

What version of protobuf and what language are you using?
Version: (e.g., v1.1.0, 89a0c16f, etc)

golang 1.19.1

What did you do?
If possible, provide a recipe for reproducing the error.
A complete runnable program is good with .proto and .go source code.
nil pointer error while process of acknowledging the message.

What did you expect to see?
successful ack of messages

What did you see instead?
ERROR 2024-01-23T04:42:33.082192511Z [resource.labels.containerName: rawdataconsumerd] panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x467c98] goroutine 13271054 [running]: google.golang.org/protobuf/encoding/protowire.AppendString(...) /go/pkg/mod/google.golang.org/[email protected]/encoding/protowire/wire.go:455 google.golang.org/protobuf/internal/impl.appendStringSliceValidateUTF8({0xc034344c00?, 0x7f5e0615ba60?, 0x7e3159?}, {0x7f5e2f0acd28?}, 0xc00056a1a8, {0x0?}) /go/pkg/mod/google.golang.org/[email protected]/internal/impl/codec_gen.go:5167 +0xfa google.golang.org/protobuf/internal/impl.(*MessageInfo).marshalAppendPointer(0xc000026b90, {0xc034344c00?, 0x7f5e060524a8?, 0x0?}, {0x7f5e2f0acd28?}, {0x0?}) /go/pkg/mod/google.golang.org/[email protected]/internal/impl/encode.go:139 +0x14f google.golang.org/protobuf/internal/impl.(*MessageInfo).marshal(0x0?, {{}, {0xfa7c28, 0xc00c7c8460}, {0xc034344c00, 0x0, 0x5d3}, 0x2}) /go/pkg/mod/google.golang.org/[email protected]/internal/impl/encode.go:107 +0x85 google.golang.org/protobuf/proto.MarshalOptions.marshal({{}, 0x60?, 0x0, 0x0}, {0x0, 0x0, 0x0}, {0xfa7c28, 0xc00c7c8460}) /go/pkg/mod/google.golang.org/[email protected]/proto/encode.go:166 +0x27b google.golang.org/protobuf/proto.MarshalOptions.MarshalAppend({{}, 0xe0?, 0xc2?, 0xd8?}, {0x0, 0x0, 0x0}, {0xf97920?, 0xc00c7c8460?}) /go/pkg/mod/google.golang.org/[email protected]/proto/encode.go:125 +0x79 github.com/golang/protobuf/proto.marshalAppend({0x0, 0x0, 0x0}, {0x7f5e08143458?, 0xc00c7c8460?}, 0x18?) /go/pkg/mod/github.com/golang/[email protected]/proto/wire.go:40 +0xa5 github.com/golang/protobuf/proto.Marshal(...) /go/pkg/mod/github.com/golang/[email protected]/proto/wire.go:23 google.golang.org/grpc/encoding/proto.codec.Marshal({}, {0xd8c2e0, 0xc00c7c8460}) /go/pkg/mod/google.golang.org/[email protected]/encoding/proto/proto.go:45 +0x4e google.golang.org/grpc.encode({0x7f5e07fbd210?, 0x1602498?}, {0xd8c2e0?, 0xc00c7c8460?}) /go/pkg/mod/google.golang.org/[email protected]/rpc_util.go:632 +0x44 google.golang.org/grpc.prepareMsg({0xd8c2e0?, 0xc00c7c8460?}, {0x7f5e07fbd210?, 0x1602498?}, {0x0, 0x0}, {0x0, 0x0}) /go/pkg/mod/google.golang.org/[email protected]/stream.go:1753 +0xd2 google.golang.org/grpc.(*clientStream).SendMsg(0xc03a6a7e60, {0xd8c2e0?, 0xc00c7c8460}) /go/pkg/mod/google.golang.org/[email protected]/stream.go:874 +0xfd google.golang.org/grpc.invoke({0xfa3a50?, 0xc043f2ff80?}, {0xe688fc?, 0x18?}, {0xd8c2e0, 0xc00c7c8460}, {0xd515a0, 0xc040805b60}, 0x0?, {0xc0004…
{
"textPayload": "panic: runtime error: invalid memory address or nil pointer dereference\n[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x467c98]\n\ngoroutine 13271054 [running]:\ngoogle.golang.org/protobuf/encoding/protowire.AppendString(...)\n\t/go/pkg/mod/google.golang.org/[email protected]/encoding/protowire/wire.go:455\ngoogle.golang.org/protobuf/internal/impl.appendStringSliceValidateUTF8({0xc034344c00?, 0x7f5e0615ba60?, 0x7e3159?}, {0x7f5e2f0acd28?}, 0xc00056a1a8, {0x0?})\n\t/go/pkg/mod/google.golang.org/[email protected]/internal/impl/codec_gen.go:5167 +0xfa\ngoogle.golang.org/protobuf/internal/impl.(*MessageInfo).marshalAppendPointer(0xc000026b90, {0xc034344c00?, 0x7f5e060524a8?, 0x0?}, {0x7f5e2f0acd28?}, {0x0?})\n\t/go/pkg/mod/google.golang.org/[email protected]/internal/impl/encode.go:139 +0x14f\ngoogle.golang.org/protobuf/internal/impl.(*MessageInfo).marshal(0x0?, {{}, {0xfa7c28, 0xc00c7c8460}, {0xc034344c00, 0x0, 0x5d3}, 0x2})\n\t/go/pkg/mod/google.golang.org/[email protected]/internal/impl/encode.go:107 +0x85\ngoogle.golang.org/protobuf/proto.MarshalOptions.marshal({{}, 0x60?, 0x0, 0x0}, {0x0, 0x0, 0x0}, {0xfa7c28, 0xc00c7c8460})\n\t/go/pkg/mod/google.golang.org/[email protected]/proto/encode.go:166 +0x27b\ngoogle.golang.org/protobuf/proto.MarshalOptions.MarshalAppend({{}, 0xe0?, 0xc2?, 0xd8?}, {0x0, 0x0, 0x0}, {0xf97920?, 0xc00c7c8460?})\n\t/go/pkg/mod/google.golang.org/[email protected]/proto/encode.go:125 +0x79\ngithub.com/golang/protobuf/proto.marshalAppend({0x0, 0x0, 0x0}, {0x7f5e08143458?, 0xc00c7c8460?}, 0x18?)\n\t/go/pkg/mod/github.com/golang/[email protected]/proto/wire.go:40 +0xa5\ngithub.com/golang/protobuf/proto.Marshal(...)\n\t/go/pkg/mod/github.com/golang/[email protected]/proto/wire.go:23\ngoogle.golang.org/grpc/encoding/proto.codec.Marshal({}, {0xd8c2e0, 0xc00c7c8460})\n\t/go/pkg/mod/google.golang.org/[email protected]/encoding/proto/proto.go:45 +0x4e\ngoogle.golang.org/grpc.encode({0x7f5e07fbd210?, 0x1602498?}, {0xd8c2e0?, 0xc00c7c8460?})\n\t/go/pkg/mod/google.golang.org/[email protected]/rpc_util.go:632 +0x44\ngoogle.golang.org/grpc.prepareMsg({0xd8c2e0?, 0xc00c7c8460?}, {0x7f5e07fbd210?, 0x1602498?}, {0x0, 0x0}, {0x0, 0x0})\n\t/go/pkg/mod/google.golang.org/[email protected]/stream.go:1753 +0xd2\ngoogle.golang.org/grpc.(*clientStream).SendMsg(0xc03a6a7e60, {0xd8c2e0?, 0xc00c7c8460})\n\t/go/pkg/mod/google.golang.org/[email protected]/stream.go:874 +0xfd\ngoogle.golang.org/grpc.invoke({0xfa3a50?, 0xc043f2ff80?}, {0xe688fc?, 0x18?}, {0xd8c2e0, 0xc00c7c8460}, {0xd515a0, 0xc040805b60}, 0x0?, {0xc00044b400, ...})\n\t/go/pkg/mod/google.golang.org/[email protected]/call.go:70 +0xa8\ngoogle.golang.org/grpc.(*ClientConn).Invoke(0xc043f2ff80?, {0xfa3a50?, 0xc043f2ff80?}, {0xe688fc?, 0xc040805b30?}, {0xd8c2e0?, 0xc00c7c8460?}, {0xd515a0?, 0xc040805b60?}, {0x0, ...})\n\t/go/pkg/mod/google.golang.org/[email protected]/call.go:37 +0x265\ncloud.google.com/go/pubsub/apiv1/pubsubpb.(*subscriberClient).Acknowledge(0xc00044b930, {0xfa3a50, 0xc043f2ff80}, 0x15d1ea0?, {0x0, 0x0, 0x0})\n\t/go/pkg/mod/cloud.google.com/go/[email protected]/apiv1/pubsubpb/pubsub.pb.go:6684 +0xce\ncloud.google.com/go/pubsub/apiv1.(*subscriberGRPCClient).Acknowledge.func1({0xfa3a50?, 0xc043f2ff80?}, {0xea2458, {0x0, 0x0, 0x0}, {0x0, 0x0}, 0xdf8475800})\n\t/go/pkg/mod/cloud.google.com/go/[email protected]/apiv1/subscriber_client.go:1026 +0x7b\ngithub.com/googleapis/gax-go/v2.invoke({0xfa3a88, 0xc040805b30}, 0xc029263870, {0xea2458, {0x0, 0x0, 0x0}, {0x0, 0x0}, 0xdf8475800}, ...)\n\t/go/pkg/mod/github.com/googleapis/gax-go/[email protected]/invoke.go:82 +0x138\ngithub.com/googleapis/gax-go/v2.Invoke({0xfa3a88, 0xc040805b30}, 0xc006331860?, {0xc0005c28e0, 0x2, 0x40d4e5?})\n\t/go/pkg/mod/github.com/googleapis/gax-go/[email protected]/invoke.go:50 +0xaa\ncloud.google.com/go/pubsub/apiv1.(*subscriberGRPCClient).Acknowledge(0xc0008aa400, {0xfa3a88, 0xc040805950}, 0xc00c7c8460, {0x0, 0x0, 0x0?})\n\t/go/pkg/mod/cloud.google.com/go/[email protected]/apiv1/subscriber_client.go:1024 +0x297\ncloud.google.com/go/pubsub/apiv1.(*SubscriberClient).Acknowledge(...)\n\t/go/pkg/mod/cloud.google.com/go/[email protected]/apiv1/subscriber_client.go:623\ngithub.paypal.com/QualityInfrastructure-R/testdataserv/internal/platform/pubsub.AckMessages({0xfa3a88?, 0xc00c7fc330?}, 0xe52420?, {0xc0310fc900, 0x7, 0x8}, {0xc000040792, 0x15}, {0xc000040345, 0x19})\n\t/

Make sure you include information that can help us debug (full error message, exception listing, stack trace, logs).

Anything else we should know about your project / environment?

[lfolger]

To be able to analyze this issue, could you provide steps to reproduce the issue?
From the stacktrace itself it is not immediately clear what the issue is.

[yywing]

What is your go version？

Maybe golang/go#67255

[hoeppi-google]

@akhil200 Do you still have this issue, or can we close it?