bugfix lb gateway pacicked caused by pairing heap search aggregator m…

…akes nil pointer when empty search result

Signed-off-by: kpango <[email protected]>

go.mod

@@ -3,14 +3,14 @@ module github.com/vdaas/vald
 go 1.21
 
 replace (
-	cloud.google.com/go => cloud.google.com/go v0.110.7
-	cloud.google.com/go/bigquery => cloud.google.com/go/bigquery v1.54.0
+	cloud.google.com/go => cloud.google.com/go v0.110.8
+	cloud.google.com/go/bigquery => cloud.google.com/go/bigquery v1.55.0
 	cloud.google.com/go/compute => cloud.google.com/go/compute v1.23.0
 	cloud.google.com/go/datastore => cloud.google.com/go/datastore v1.14.0
 	cloud.google.com/go/firestore => cloud.google.com/go/firestore v1.12.0
 	cloud.google.com/go/iam => cloud.google.com/go/iam v1.1.2
-	cloud.google.com/go/kms => cloud.google.com/go/kms v1.15.1
-	cloud.google.com/go/monitoring => cloud.google.com/go/monitoring v1.15.1
+	cloud.google.com/go/kms => cloud.google.com/go/kms v1.15.2
+	cloud.google.com/go/monitoring => cloud.google.com/go/monitoring v1.16.0
 	cloud.google.com/go/pubsub => cloud.google.com/go/pubsub v1.33.0
 	cloud.google.com/go/secretmanager => cloud.google.com/go/secretmanager v1.11.1
 	cloud.google.com/go/storage => cloud.google.com/go/storage v1.33.0
@@ -43,7 +43,7 @@ replace (
 	github.com/ajstarks/svgo => github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b
 	github.com/antihax/optional => github.com/antihax/optional v1.0.0
 	github.com/armon/go-socks5 => github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5
-	github.com/aws/aws-sdk-go => github.com/aws/aws-sdk-go v1.45.6
+	github.com/aws/aws-sdk-go => github.com/aws/aws-sdk-go v1.45.9
 	github.com/aws/aws-sdk-go-v2 => github.com/aws/aws-sdk-go-v2 v1.21.0
 	github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream => github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.4.13
 	github.com/aws/aws-sdk-go-v2/config => github.com/aws/aws-sdk-go-v2/config v1.18.39
@@ -120,7 +120,7 @@ replace (
 	github.com/go-playground/assert/v2 => github.com/go-playground/assert/v2 v2.2.0
 	github.com/go-playground/locales => github.com/go-playground/locales v0.14.1
 	github.com/go-playground/universal-translator => github.com/go-playground/universal-translator v0.18.1
-	github.com/go-playground/validator/v10 => github.com/go-playground/validator/v10 v10.15.3
+	github.com/go-playground/validator/v10 => github.com/go-playground/validator/v10 v10.15.4
 	github.com/go-redis/redis/v8 => github.com/go-redis/redis/v8 v8.11.5
 	github.com/go-sql-driver/mysql => github.com/go-sql-driver/mysql v1.7.1
 	github.com/go-task/slim-sprig => github.com/go-task/slim-sprig v2.20.0+incompatible
@@ -153,7 +153,7 @@ replace (
 	github.com/google/gofuzz => github.com/google/gofuzz v1.2.0
 	github.com/google/martian => github.com/google/martian v2.1.0+incompatible
 	github.com/google/martian/v3 => github.com/google/martian/v3 v3.3.2
-	github.com/google/pprof => github.com/google/pprof v0.0.0-20230907193218-d3ddc7976beb
+	github.com/google/pprof => github.com/google/pprof v0.0.0-20230912144702-c363fe2c2ed8
 	github.com/google/shlex => github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510
 	github.com/google/subcommands => github.com/google/subcommands v1.2.0
 	github.com/google/uuid => github.com/google/uuid v1.3.1
@@ -283,7 +283,7 @@ replace (
 	go.opentelemetry.io/otel/sdk/metric => go.opentelemetry.io/otel/sdk/metric v0.33.0
 	go.opentelemetry.io/otel/trace => go.opentelemetry.io/otel/trace v1.11.1
 	go.opentelemetry.io/proto/otlp => go.opentelemetry.io/proto/otlp v1.0.0
-	go.starlark.net => go.starlark.net v0.0.0-20230831151029-c9e9adf3fde2
+	go.starlark.net => go.starlark.net v0.0.0-20230912135651-745481cf39ed
 	go.uber.org/atomic => go.uber.org/atomic v1.11.0
 	go.uber.org/automaxprocs => go.uber.org/automaxprocs v1.5.3
 	go.uber.org/goleak => go.uber.org/goleak v1.2.1
@@ -310,11 +310,11 @@ replace (
 	gonum.org/v1/gonum => gonum.org/v1/gonum v0.14.0
 	gonum.org/v1/hdf5 => gonum.org/v1/hdf5 v0.0.0-20210714002203-8c5d23bc6946
 	gonum.org/v1/plot => gonum.org/v1/plot v0.14.0
-	google.golang.org/api => google.golang.org/api v0.139.0
+	google.golang.org/api => google.golang.org/api v0.140.0
 	google.golang.org/appengine => google.golang.org/appengine v1.6.8
-	google.golang.org/genproto => google.golang.org/genproto v0.0.0-20230822172742-b8732ec3820d
-	google.golang.org/genproto/googleapis/api => google.golang.org/genproto/googleapis/api v0.0.0-20230822172742-b8732ec3820d
-	google.golang.org/genproto/googleapis/rpc => google.golang.org/genproto/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d
+	google.golang.org/genproto => google.golang.org/genproto v0.0.0-20230913181813-007df8e322eb
+	google.golang.org/genproto/googleapis/api => google.golang.org/genproto/googleapis/api v0.0.0-20230913181813-007df8e322eb
+	google.golang.org/genproto/googleapis/rpc => google.golang.org/genproto/googleapis/rpc v0.0.0-20230913181813-007df8e322eb
 	google.golang.org/grpc => google.golang.org/grpc v1.58.0
 	google.golang.org/grpc/cmd/protoc-gen-go-grpc => google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.3.0
 	google.golang.org/protobuf => google.golang.org/protobuf v1.31.0
@@ -324,7 +324,7 @@ replace (
 	gopkg.in/tomb.v1 => gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7
 	gopkg.in/yaml.v2 => gopkg.in/yaml.v2 v2.4.0
 	gopkg.in/yaml.v3 => gopkg.in/yaml.v3 v3.0.1
-	honnef.co/go/tools => honnef.co/go/tools v0.4.5
+	honnef.co/go/tools => honnef.co/go/tools v0.4.6
 	k8s.io/api => k8s.io/api v0.27.3
 	k8s.io/apiextensions-apiserver => k8s.io/apiextensions-apiserver v0.27.3
 	k8s.io/apimachinery => k8s.io/apimachinery v0.27.3
@@ -356,7 +356,7 @@ require (
 	github.com/gocql/gocql v0.0.0-20200131111108-92af2e088537
 	github.com/gocraft/dbr/v2 v2.0.0-00010101000000-000000000000
 	github.com/google/go-cmp v0.5.9
-	github.com/google/uuid v1.3.0
+	github.com/google/uuid v1.3.1
 	github.com/gorilla/mux v0.0.0-00010101000000-000000000000
 	github.com/hashicorp/go-version v0.0.0-00010101000000-000000000000
 	github.com/klauspost/compress v1.15.9
@@ -396,7 +396,7 @@ require (
 	gonum.org/v1/hdf5 v0.0.0-00010101000000-000000000000
 	gonum.org/v1/plot v0.10.1
 	google.golang.org/genproto/googleapis/api v0.0.0-20230822172742-b8732ec3820d
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20230911183012-2d3300fd4832
 	google.golang.org/grpc v1.58.0
 	google.golang.org/protobuf v1.31.0
 	gopkg.in/yaml.v2 v2.4.0

go.sum

@@ -1,5 +1,5 @@
-cloud.google.com/go v0.110.7 h1:rJyC7nWRg2jWGZ4wSJ5nY65GTdYJkg0cd/uXb+ACI6o=
-cloud.google.com/go v0.110.7/go.mod h1:+EYjdK8e5RME/VY/qLCAtuyALQ9q67dvuum8i+H5xsI=
+cloud.google.com/go v0.110.8 h1:tyNdfIxjzaWctIiLYOTalaLKZ17SI44SKFW26QbOhME=
+cloud.google.com/go v0.110.8/go.mod h1:Iz8AkXJf1qmxC3Oxoep8R1T36w8B92yU29PcBhHO5fk=
 cloud.google.com/go/accessapproval v1.7.1/go.mod h1:JYczztsHRMK7NTXb6Xw+dwbs/WnOJxbo/2mTI+Kgg68=
 cloud.google.com/go/accesscontextmanager v1.8.0/go.mod h1:uI+AI/r1oyWK99NN8cQ3UK76AMelMzgZCvJfsi2c+ps=
 cloud.google.com/go/accesscontextmanager v1.8.1/go.mod h1:JFJHfvuaTC+++1iL1coPiG1eu5D24db2wXCDWDjIrxo=
@@ -17,7 +17,7 @@ cloud.google.com/go/automl v1.13.1/go.mod h1:1aowgAHWYZU27MybSCFiukPO7xnyawv7pt3
 cloud.google.com/go/baremetalsolution v1.1.1/go.mod h1:D1AV6xwOksJMV4OSlWHtWuFNZZYujJknMAP4Qa27QIA=
 cloud.google.com/go/batch v1.3.1/go.mod h1:VguXeQKXIYaeeIYbuozUmBR13AfL4SJP7IltNPS+A4A=
 cloud.google.com/go/beyondcorp v1.0.0/go.mod h1:YhxDWw946SCbmcWo3fAhw3V4XZMSpQ/VYfcKGAEU8/4=
-cloud.google.com/go/bigquery v1.54.0/go.mod h1:9Y5I3PN9kQWuid6183JFhOGOW3GcirA5LpsKCUn+2ec=
+cloud.google.com/go/bigquery v1.55.0/go.mod h1:9Y5I3PN9kQWuid6183JFhOGOW3GcirA5LpsKCUn+2ec=
 cloud.google.com/go/billing v1.16.0/go.mod h1:y8vx09JSSJG02k5QxbycNRrN7FGZB6F3CAcgum7jvGA=
 cloud.google.com/go/binaryauthorization v1.6.1/go.mod h1:TKt4pa8xhowwffiBmbrbcxijJRZED4zrqnwZ1lKH51U=
 cloud.google.com/go/certificatemanager v1.7.1/go.mod h1:iW8J3nG6SaRYImIa+wXQ0g8IgoofDFRp5UMzaNk1UqI=
@@ -68,7 +68,7 @@ cloud.google.com/go/iam v1.1.2/go.mod h1:A5avdyVL2tCppe4unb0951eI9jreack+RJ0/d+K
 cloud.google.com/go/iap v1.8.1/go.mod h1:sJCbeqg3mvWLqjZNsI6dfAtbbV1DL2Rl7e1mTyXYREQ=
 cloud.google.com/go/ids v1.4.1/go.mod h1:np41ed8YMU8zOgv53MMMoCntLTn2lF+SUzlM+O3u/jw=
 cloud.google.com/go/iot v1.7.1/go.mod h1:46Mgw7ev1k9KqK1ao0ayW9h0lI+3hxeanz+L1zmbbbk=
-cloud.google.com/go/kms v1.15.1/go.mod h1:c9J991h5DTl+kg7gi3MYomh12YEENGrf48ee/N/2CDM=
+cloud.google.com/go/kms v1.15.2/go.mod h1:3hopT4+7ooWRCjc2DxgnpESFxhIraaI2IpAVUEhbT/w=
 cloud.google.com/go/language v1.10.1/go.mod h1:CPp94nsdVNiQEt1CNjF5WkTcisLiHPyIbMhvR8H2AW0=
 cloud.google.com/go/lifesciences v0.9.1/go.mod h1:hACAOd1fFbCGLr/+weUKRAJas82Y4vrL3O5326N//Wc=
 cloud.google.com/go/logging v1.7.0/go.mod h1:3xjP2CjkM3ZkO73aj4ASA5wRPGGCRrPIAeNqVNkzY8M=
@@ -82,7 +82,7 @@ cloud.google.com/go/maps v1.4.0/go.mod h1:6mWTUv+WhnOwAgjVsSW2QPPECmW+s3PcRyOa9v
 cloud.google.com/go/mediatranslation v0.8.1/go.mod h1:L/7hBdEYbYHQJhX2sldtTO5SZZ1C1vkapubj0T2aGig=
 cloud.google.com/go/memcache v1.10.1/go.mod h1:47YRQIarv4I3QS5+hoETgKO40InqzLP6kpNLvyXuyaA=
 cloud.google.com/go/metastore v1.12.0/go.mod h1:uZuSo80U3Wd4zi6C22ZZliOUJ3XeM/MlYi/z5OAOWRA=
-cloud.google.com/go/monitoring v1.15.1/go.mod h1:lADlSAlFdbqQuwwpaImhsJXu1QSdd3ojypXrFSMr2rM=
+cloud.google.com/go/monitoring v1.16.0/go.mod h1:Ptp15HgAyM1fNICAojDMoNc/wUmn67mLHQfyqbw+poY=
 cloud.google.com/go/networkconnectivity v1.12.1/go.mod h1:PelxSWYM7Sh9/guf8CFhi6vIqf19Ir/sbfZRUwXh92E=
 cloud.google.com/go/networkmanagement v1.8.0/go.mod h1:Ho/BUGmtyEqrttTgWEe7m+8vDdK74ibQc+Be0q7Fof0=
 cloud.google.com/go/networksecurity v0.9.1/go.mod h1:MCMdxOKQ30wsBI1eI659f9kEp4wuuAueoC9AJKSPWZQ=
@@ -176,8 +176,8 @@ github.com/apache/arrow/go/v12 v12.0.0/go.mod h1:d+tV/eHZZ7Dz7RPrFKtPK02tpr+c9/P
 github.com/apache/thrift v0.16.0/go.mod h1:PHK3hniurgQaNMZYaCLEqXKsYK8upmhPbmdP2FXSqgU=
 github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5 h1:0CwZNZbxp69SHPdPJAN/hZIm0C4OItdklCFmMRWYpio=
 github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5/go.mod h1:wHh0iHkYZB8zMSxRWpUBQtwG5a7fFgvEO+odwuTv2gs=
-github.com/aws/aws-sdk-go v1.45.6 h1:Y2isQQBZsnO15dzUQo9YQRThtHgrV200XCH05BRHVJI=
-github.com/aws/aws-sdk-go v1.45.6/go.mod h1:aVsgQcEevwlmQ7qHE9I3h+dtQgpqhFB+i8Phjh7fkwI=
+github.com/aws/aws-sdk-go v1.45.9 h1:ks4nMaagM/0jeOFUxWxx9C009vkrdgm3lgcnciet1YU=
+github.com/aws/aws-sdk-go v1.45.9/go.mod h1:aVsgQcEevwlmQ7qHE9I3h+dtQgpqhFB+i8Phjh7fkwI=
 github.com/aws/aws-sdk-go-v2 v1.21.0 h1:gMT0IW+03wtYJhRqTVYn0wLzwdnK9sRMcxmtfGzRdJc=
 github.com/aws/aws-sdk-go-v2 v1.21.0/go.mod h1:/RfNgGmRxI+iFOB1OeJUyxiU+9s88k3pfHvDagGEp0M=
 github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.4.13 h1:OPLEkmhXf6xFPiz0bLeDArZIDx1NNS4oJyG4nv3Gct0=
@@ -362,8 +362,8 @@ github.com/google/gofuzz v1.2.0 h1:xRy4A+RhZaiKjJ1bPfwQ8sedCA+YS2YcCHW6ec7JMi0=
 github.com/google/gofuzz v1.2.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/google/martian/v3 v3.3.2 h1:IqNFLAmvJOgVlpdEBiQbDc2EwKW77amAycfTuWKdfvw=
 github.com/google/martian/v3 v3.3.2/go.mod h1:oBOf6HBosgwRXnUGWUB05QECsc6uvmMiJ3+6W4l/CUk=
-github.com/google/pprof v0.0.0-20230907193218-d3ddc7976beb h1:LCMfzVg3sflxTs4UvuP4D8CkoZnfHLe2qzqgDn/4OHs=
-github.com/google/pprof v0.0.0-20230907193218-d3ddc7976beb/go.mod h1:czg5+yv1E0ZGTi6S6vVK1mke0fV+FaUhNGcd6VRS9Ik=
+github.com/google/pprof v0.0.0-20230912144702-c363fe2c2ed8 h1:gpptm606MZYGaMHMsB4Srmb6EbW/IVHnt04rcMXnkBQ=
+github.com/google/pprof v0.0.0-20230912144702-c363fe2c2ed8/go.mod h1:czg5+yv1E0ZGTi6S6vVK1mke0fV+FaUhNGcd6VRS9Ik=
 github.com/google/s2a-go v0.1.0/go.mod h1:OJpEgntRZo8ugHpF9hkoLJbS5dSI20XZeXJ9JVywLlM=
 github.com/google/s2a-go v0.1.4/go.mod h1:Ej+mSEMGRnqRzjc7VtF+jdBwYG5fuJfiZ8ELkjEwM0A=
 github.com/google/s2a-go v0.1.7 h1:60BLSyTrOV4/haCDW4zb1guZItoSq8foHCXrAnjBo/o=
@@ -598,8 +598,8 @@ go.opentelemetry.io/otel/trace v1.11.1 h1:ofxdnzsNrGBYXbP7t7zpUK281+go5rF7dvdIZX
 go.opentelemetry.io/otel/trace v1.11.1/go.mod h1:f/Q9G7vzk5u91PhbmKbg1Qn0rzH1LJ4vbPHFGkTPtOk=
 go.opentelemetry.io/proto/otlp v1.0.0 h1:T0TX0tmXU8a3CbNXzEKGeU5mIVOdf0oykP+u2lIVU/I=
 go.opentelemetry.io/proto/otlp v1.0.0/go.mod h1:Sy6pihPLfYHkr3NkUbEhGHFhINUSI/v80hjKIs5JXpM=
-go.starlark.net v0.0.0-20230831151029-c9e9adf3fde2 h1:JVsWByUy+MOggHrZ2zLfLUBOcinE2w18iSbLb7WAAIc=
-go.starlark.net v0.0.0-20230831151029-c9e9adf3fde2/go.mod h1:jxU+3+j+71eXOW14274+SmmuW82qJzl6iZSeqEtTGds=
+go.starlark.net v0.0.0-20230912135651-745481cf39ed h1:kNt8RXSIU6IRBO9MP3m+6q3WpyBHQQXqSktcyVKDPOQ=
+go.starlark.net v0.0.0-20230912135651-745481cf39ed/go.mod h1:jxU+3+j+71eXOW14274+SmmuW82qJzl6iZSeqEtTGds=
 go.uber.org/automaxprocs v1.5.3 h1:kWazyxZUrS3Gs4qUpbwo5kEIMGe/DAvi5Z4tl2NW4j8=
 go.uber.org/automaxprocs v1.5.3/go.mod h1:eRbA25aqJrxAbsLO0xy5jVwPt7FQnRgjW+efnwa1WM0=
 go.uber.org/goleak v1.2.1 h1:NBol2c7O1ZokfZ0LEU9K6Whx/KnwvepVetCUhtKja4A=
@@ -651,17 +651,17 @@ gonum.org/v1/hdf5 v0.0.0-20210714002203-8c5d23bc6946 h1:vJpL69PeUullhJyKtTjHjENE
 gonum.org/v1/hdf5 v0.0.0-20210714002203-8c5d23bc6946/go.mod h1:BQUWDHIAygjdt1HnUPQ0eWqLN2n5FwJycrpYUVUOx2I=
 gonum.org/v1/plot v0.14.0 h1:+LBDVFYwFe4LHhdP8coW6296MBEY4nQ+Y4vuUpJopcE=
 gonum.org/v1/plot v0.14.0/go.mod h1:MLdR9424SJed+5VqC6MsouEpig9pZX2VZ57H9ko2bXU=
-google.golang.org/api v0.139.0 h1:A1TrCPgMmOiYu0AiNkvQIpIx+D8blHTDcJ5EogkP7LI=
-google.golang.org/api v0.139.0/go.mod h1:CVagp6Eekz9CjGZ718Z+sloknzkDJE7Vc1Ckj9+viBk=
+google.golang.org/api v0.140.0 h1:CaXNdYOH5oQQI7l6iKTHHiMTdxZca4/02hRg2U8c2hM=
+google.golang.org/api v0.140.0/go.mod h1:aGbCiFgtwb2P6badchFbSBUurV6oR5d50Af4iNJtDdI=
 google.golang.org/appengine v1.6.8 h1:IhEN5q69dyKagZPYMSdIjS2HqprW324FRQZJcGqPAsM=
 google.golang.org/appengine v1.6.8/go.mod h1:1jJ3jBArFh5pcgW8gCtRJnepW8FzD1V44FJffLiz/Ds=
-google.golang.org/genproto v0.0.0-20230822172742-b8732ec3820d h1:VBu5YqKPv6XiJ199exd8Br+Aetz+o08F+PLMnwJQHAY=
-google.golang.org/genproto v0.0.0-20230822172742-b8732ec3820d/go.mod h1:yZTlhN0tQnXo3h00fuXNCxJdLdIdnVFVBaRJ5LWBbw4=
-google.golang.org/genproto/googleapis/api v0.0.0-20230822172742-b8732ec3820d h1:DoPTO70H+bcDXcd39vOqb2viZxgqeBeSGtZ55yZU4/Q=
-google.golang.org/genproto/googleapis/api v0.0.0-20230822172742-b8732ec3820d/go.mod h1:KjSP20unUpOx5kyQUFa7k4OJg0qeJ7DEZflGDu2p6Bk=
-google.golang.org/genproto/googleapis/bytestream v0.0.0-20230807174057-1744710a1577/go.mod h1:NjCQG/D8JandXxM57PZbAJL1DCNL6EypA0vPPwfsc7c=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d h1:uvYuEyMHKNt+lT4K3bN6fGswmK8qSvcreM3BwjDh+y4=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d/go.mod h1:+Bk1OCOj40wS2hwAMA+aCW9ypzm63QTBBHp6lQ3p+9M=
+google.golang.org/genproto v0.0.0-20230913181813-007df8e322eb h1:XFBgcDwm7irdHTbz4Zk2h7Mh+eis4nfJEFQFYzJzuIA=
+google.golang.org/genproto v0.0.0-20230913181813-007df8e322eb/go.mod h1:yZTlhN0tQnXo3h00fuXNCxJdLdIdnVFVBaRJ5LWBbw4=
+google.golang.org/genproto/googleapis/api v0.0.0-20230913181813-007df8e322eb h1:lK0oleSc7IQsUxO3U5TjL9DWlsxpEBemh+zpB7IqhWI=
+google.golang.org/genproto/googleapis/api v0.0.0-20230913181813-007df8e322eb/go.mod h1:KjSP20unUpOx5kyQUFa7k4OJg0qeJ7DEZflGDu2p6Bk=
+google.golang.org/genproto/googleapis/bytestream v0.0.0-20230911183012-2d3300fd4832/go.mod h1:NjCQG/D8JandXxM57PZbAJL1DCNL6EypA0vPPwfsc7c=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20230913181813-007df8e322eb h1:Isk1sSH7bovx8Rti2wZK0UZF6oraBDK74uoyLEEVFN0=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20230913181813-007df8e322eb/go.mod h1:+Bk1OCOj40wS2hwAMA+aCW9ypzm63QTBBHp6lQ3p+9M=
 google.golang.org/grpc v1.58.0 h1:32JY8YpPMSR45K+c3o6b8VL73V+rR8k+DeMIr4vRH8o=
 google.golang.org/grpc v1.58.0/go.mod h1:tgX3ZQDlNJGU96V6yHh1T/JeoBQ2TXdr43YbYSsCJk0=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.3.0/go.mod h1:Dk1tviKTvMCz5tvh7t+fh94dhmQVHuCt2OzJB3CTW9Y=
@@ -678,7 +678,7 @@ gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/js/dom v0.0.0-20210725211120-f030747120f2/go.mod h1:sUMDUKNB2ZcVjt92UnLy3cdGs+wDAcrPdV3JP6sVgA4=
-honnef.co/go/tools v0.4.5/go.mod h1:GUV+uIBCLpdf0/v6UhHHG/yzI/z6qPskBeQCjcNB96k=
+honnef.co/go/tools v0.4.6/go.mod h1:+rnGS1THNh8zMwnd2oVOTL9QF6vmfyG6ZXBULae2uc0=
 k8s.io/api v0.27.3 h1:yR6oQXXnUEBWEWcvPWS0jQL575KoAboQPfJAuKNrw5Y=
 k8s.io/api v0.27.3/go.mod h1:C4BNvZnQOF7JA/0Xed2S+aUyJSfTGkGFxLXz9MnpIpg=
 k8s.io/apiextensions-apiserver v0.27.3 h1:xAwC1iYabi+TDfpRhxh4Eapl14Hs2OftM2DN5MpgKX4=

pkg/gateway/lb/handler/grpc/aggregation.go

@@ -529,7 +529,11 @@ func (v *valdPairingHeapAggr) Result() *payload.Search_Response {
 	for !v.ph.IsEmpty() && len(v.result) <= v.num {
 		var min *DistPayload
 		min, v.ph = v.ph.ExtractMin()
-		v.result = append(v.result, min.raw)
+		if min != nil {
+			v.result = append(v.result, min.raw)
+		} else if v.ph == nil {
+			break
+		}
 	}
 	if len(v.result) > v.num {
 		v.result = v.result[:v.num]

versions/KUBECTL_VERSION

@@ -1 +1 @@
-v1.28.1
+v1.28.2

versions/PROMETHEUS_STACK_VERSION

@@ -1 +1 @@
-50.3.1
+51.0.2