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cloud.google.com/go/storage: goroutine leak #10948

Open
peijianju opened this issue Oct 3, 2024 · 3 comments
Open

cloud.google.com/go/storage: goroutine leak #10948

peijianju opened this issue Oct 3, 2024 · 3 comments
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@tritone
Labels
api: storage Issues related to the Cloud Storage API. status: investigating The issue is under investigation, which is determined to be non-trivial.

Comments

@peijianju
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Client

GCP bucket storage

Environment

MacOS local develop environment

Code

cat leak_test.go

package leak

import (
        "testing"

        "go.uber.org/goleak"
	"cloud.google.com/go/storage"
	"context"
	"io"
	"os"
	"time"
	"github.com/stretchr/testify/require"
)

func TestCloudStoageWriter(t *testing.T) {
	defer goleak.VerifyNone(t)

	bucket := "mybucket"
	object := "leakingtest"
	ctx := context.Background()
	client, err := storage.NewClient(ctx)
	require.NoError(t, err)
	defer client.Close()

	// Open local file.
	f, err := os.Open("notes.txt")
	require.NoError(t, err)
	defer f.Close()

	ctx, cancel := context.WithTimeout(ctx, time.Second*50)
	defer cancel()

	o := client.Bucket(bucket).Object(object)

	// Upload an object with storage.Writer.
	wc := o.NewWriter(ctx)
	_, err = io.Copy(wc, f);
	err = wc.Close();
	require.Error(t, err)
}

cat go.mod

module leak

go 1.22.1

require (
	cloud.google.com/go v0.58.0
	cloud.google.com/go/storage v1.8.0
	github.com/stretchr/testify v1.6.1
	go.uber.org/goleak v1.0.0
)

require (
	cloud.google.com/go/bigquery v1.8.0 // indirect
	cloud.google.com/go/datastore v1.1.0 // indirect
	cloud.google.com/go/pubsub v1.3.1 // indirect
	dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9 // indirect
	github.com/BurntSushi/toml v0.3.1 // indirect
	github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802 // indirect
	github.com/census-instrumentation/opencensus-proto v0.2.1 // indirect
	github.com/chzyer/logex v1.1.10 // indirect
	github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e // indirect
	github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1 // indirect
	github.com/client9/misspell v0.3.4 // indirect
	github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f // indirect
	github.com/creack/pty v1.1.9 // indirect
	github.com/davecgh/go-spew v1.1.1 // indirect
	github.com/envoyproxy/go-control-plane v0.9.4 // indirect
	github.com/envoyproxy/protoc-gen-validate v0.1.0 // indirect
	github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1 // indirect
	github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4 // indirect
	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b // indirect
	github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e // indirect
	github.com/golang/mock v1.4.3 // indirect
	github.com/golang/protobuf v1.4.2 // indirect
	github.com/google/btree v1.0.0 // indirect
	github.com/google/go-cmp v0.4.1 // indirect
	github.com/google/martian v2.1.0+incompatible // indirect
	github.com/google/pprof v0.0.0-20200507031123-427632fa3b1c // indirect
	github.com/google/renameio v0.1.0 // indirect
	github.com/googleapis/gax-go/v2 v2.0.5 // indirect
	github.com/hashicorp/golang-lru v0.5.1 // indirect
	github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6 // indirect
	github.com/jstemmer/go-junit-report v0.9.1 // indirect
	github.com/kisielk/gotool v1.0.0 // indirect
	github.com/kr/pretty v0.1.0 // indirect
	github.com/kr/pty v1.1.1 // indirect
	github.com/kr/text v0.2.0 // indirect
	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
	github.com/pmezard/go-difflib v1.0.0 // indirect
	github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4 // indirect
	github.com/rogpeppe/go-internal v1.3.0 // indirect
	github.com/stretchr/objx v0.1.0 // indirect
	github.com/yuin/goldmark v1.1.27 // indirect
	go.opencensus.io v0.22.3 // indirect
	golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550 // indirect
	golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6 // indirect
	golang.org/x/image v0.0.0-20190802002840-cff245a6509b // indirect
	golang.org/x/lint v0.0.0-20200302205851-738671d3881b // indirect
	golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028 // indirect
	golang.org/x/mod v0.3.0 // indirect
	golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2 // indirect
	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d // indirect
	golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a // indirect
	golang.org/x/sys v0.0.0-20200523222454-059865788121 // indirect
	golang.org/x/text v0.3.2 // indirect
	golang.org/x/time v0.0.0-20191024005414-555d28b269f0 // indirect
	golang.org/x/tools v0.0.0-20200609164405-eb789aa7ce50 // indirect
	golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 // indirect
	google.golang.org/api v0.26.0 // indirect
	google.golang.org/appengine v1.6.6 // indirect
	google.golang.org/genproto v0.0.0-20200608115520-7c474a2e3482 // indirect
	google.golang.org/grpc v1.29.1 // indirect
	google.golang.org/protobuf v1.24.0 // indirect
	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
	gopkg.in/errgo.v2 v2.1.0 // indirect
	gopkg.in/yaml.v2 v2.2.2 // indirect
	gopkg.in/yaml.v3 v3.0.0-20200605160147-a5ece683394c // indirect
	honnef.co/go/tools v0.0.1-2020.1.4 // indirect
	rsc.io/binaryregexp v0.2.0 // indirect
	rsc.io/quote/v3 v3.1.0 // indirect
	rsc.io/sampler v1.3.0 // indirect
)

go test ./
--- FAIL: TestCloudStoageWriter (0.91s)
    leaks.go:78: found unexpected goroutines:
        [Goroutine 3 in state select, with go.opencensus.io/stats/view.(*worker).start on top of the stack:
        goroutine 3 [select]:
        go.opencensus.io/stats/view.(*worker).start(0x140001985f0)
        	/Users/peijian/.asdf/installs/golang/1.22.7/packages/pkg/mod/[email protected]/stats/view/worker.go:154 +0x88
        created by go.opencensus.io/stats/view.init.0 in goroutine 1
        	/Users/peijian/.asdf/installs/golang/1.22.7/packages/pkg/mod/[email protected]/stats/view/worker.go:32 +0x88

         Goroutine 53 in state IO wait, with internal/poll.runtime_pollWait on top of the stack:
        goroutine 53 [IO wait]:
        internal/poll.runtime_pollWait(0x103a6b840, 0x72)
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/runtime/netpoll.go:345 +0xa0
        internal/poll.(*pollDesc).wait(0x140000ce000?, 0x14000184a00?, 0x0)
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/internal/poll/fd_poll_runtime.go:84 +0x28
        internal/poll.(*pollDesc).waitRead(...)
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/internal/poll/fd_poll_runtime.go:89
        internal/poll.(*FD).Read(0x140000ce000, {0x14000184a00, 0x1500, 0x1500})
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/internal/poll/fd_unix.go:164 +0x200
        net.(*netFD).Read(0x140000ce000, {0x14000184a00?, 0x1037c0068?, 0x1400000eb28?})
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/net/fd_posix.go:55 +0x28
        net.(*conn).Read(0x140000761f8, {0x14000184a00?, 0x1400012d8d8?, 0x102b80f4c?})
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/net/net.go:179 +0x34
        crypto/tls.(*atLeastReader).Read(0x1400000eb28, {0x14000184a00?, 0x0?, 0x1400000eb28?})
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/crypto/tls/conn.go:806 +0x40
        bytes.(*Buffer).ReadFrom(0x140003b4d30, {0x1032d4120, 0x1400000eb28})
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/bytes/buffer.go:211 +0x90
        crypto/tls.(*Conn).readFromUntil(0x140003b4a88, {0x14a641430, 0x140000761f8}, 0x1400012d9b0?)
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/crypto/tls/conn.go:828 +0xd0
        crypto/tls.(*Conn).readRecordOrCCS(0x140003b4a88, 0x0)
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/crypto/tls/conn.go:626 +0x35c
        crypto/tls.(*Conn).readRecord(...)
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/crypto/tls/conn.go:588
        crypto/tls.(*Conn).Read(0x140003b4a88, {0x14000138000, 0x1000, 0x1032dbe38?})
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/crypto/tls/conn.go:1370 +0x168
        bufio.(*Reader).Read(0x14000136c00, {0x14000134580, 0x9, 0x140003b4a88?})
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/bufio/bufio.go:241 +0x1b4
        io.ReadAtLeast({0x1032d30f8, 0x14000136c00}, {0x14000134580, 0x9, 0x9}, 0x9)
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/io/io.go:335 +0xa0
        io.ReadFull(...)
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/io/io.go:354
        net/http.http2readFrameHeader({0x14000134580, 0x9, 0x14001504a40?}, {0x1032d30f8?, 0x14000136c00?})
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/net/http/h2_bundle.go:1638 +0x58
        net/http.(*http2Framer).ReadFrame(0x14000134540)
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/net/http/h2_bundle.go:1902 +0x78
        net/http.(*http2clientConnReadLoop).run(0x1400012df98)
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/net/http/h2_bundle.go:9303 +0xf8
        net/http.(*http2ClientConn).readLoop(0x1400033c300)
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/net/http/h2_bundle.go:9198 +0x5c
        created by net/http.(*http2Transport).newClientConn in goroutine 52
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/net/http/h2_bundle.go:7848 +0xa84

         Goroutine 33 in state IO wait, with internal/poll.runtime_pollWait on top of the stack:
        goroutine 33 [IO wait]:
        internal/poll.runtime_pollWait(0x103a6b748, 0x72)
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/runtime/netpoll.go:345 +0xa0
        internal/poll.(*pollDesc).wait(0x140000ce200?, 0x140001cc000?, 0x0)
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/internal/poll/fd_poll_runtime.go:84 +0x28
        internal/poll.(*pollDesc).waitRead(...)
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/internal/poll/fd_poll_runtime.go:89
        internal/poll.(*FD).Read(0x140000ce200, {0x140001cc000, 0x1300, 0x1300})
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/internal/poll/fd_unix.go:164 +0x200
        net.(*netFD).Read(0x140000ce200, {0x140001cc000?, 0x14a5b8be8?, 0x1400150a498?})
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/net/fd_posix.go:55 +0x28
        net.(*conn).Read(0x14001508080, {0x140001cc000?, 0x140002068d8?, 0x102b80f4c?})
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/net/net.go:179 +0x34
        crypto/tls.(*atLeastReader).Read(0x1400150a498, {0x140001cc000?, 0x0?, 0x102e07af8?})
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/crypto/tls/conn.go:806 +0x40
        bytes.(*Buffer).ReadFrom(0x140001882b0, {0x1032d4120, 0x1400150a498})
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/bytes/buffer.go:211 +0x90
        crypto/tls.(*Conn).readFromUntil(0x14000188008, {0x14a641430, 0x14001508080}, 0x140002069b0?)
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/crypto/tls/conn.go:828 +0xd0
        crypto/tls.(*Conn).readRecordOrCCS(0x14000188008, 0x0)
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/crypto/tls/conn.go:626 +0x35c
        crypto/tls.(*Conn).readRecord(...)
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/crypto/tls/conn.go:588
        crypto/tls.(*Conn).Read(0x14000188008, {0x140001e8000, 0x1000, 0x1032dbe38?})
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/crypto/tls/conn.go:1370 +0x168
        bufio.(*Reader).Read(0x140000fb3e0, {0x140001e23c0, 0x9, 0x14000188008?})
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/bufio/bufio.go:241 +0x1b4
        io.ReadAtLeast({0x1032d30f8, 0x140000fb3e0}, {0x140001e23c0, 0x9, 0x9}, 0x9)
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/io/io.go:335 +0xa0
        io.ReadFull(...)
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/io/io.go:354
        net/http.http2readFrameHeader({0x140001e23c0, 0x9, 0x140003d28c0?}, {0x1032d30f8?, 0x140000fb3e0?})
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/net/http/h2_bundle.go:1638 +0x58
        net/http.(*http2Framer).ReadFrame(0x140001e2380)
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/net/http/h2_bundle.go:1902 +0x78
        net/http.(*http2clientConnReadLoop).run(0x14000206f98)
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/net/http/h2_bundle.go:9303 +0xf8
        net/http.(*http2ClientConn).readLoop(0x140001e6000)
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/net/http/h2_bundle.go:9198 +0x5c
        created by net/http.(*http2Transport).newClientConn in goroutine 32
        	/Users/peijian/.asdf/installs/golang/1.22.1/go/src/net/http/h2_bundle.go:7848 +0xa84
        ]
FAIL
FAIL	leak	1.587s
FAIL
@peijianju peijianju added the triage me I really want to be triaged. label Oct 3, 2024
@codyoss codyoss added the api: storage Issues related to the Cloud Storage API. label Oct 3, 2024
@tritone tritone added status: investigating The issue is under investigation, which is determined to be non-trivial. and removed triage me I really want to be triaged. labels Oct 3, 2024
@tritone
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Contributor

tritone commented Oct 3, 2024

@peijianju thanks for reporting. A few questions:

  1. What version of the storage library did you use? Is this a regression that arises only in new versions?
  2. Did you see this come up in practice as a memory leak running in production systems?

@tritone
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Contributor

tritone commented Oct 3, 2024

Actually, looks like from your go.mod that you are on a very old version of storage. Could you try the latest release (storage/v1.43.0)?

@peijianju
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Author

Thank you @tritone , update my go.mod to use cloud.google.com/go/storage v1.44.0. Still suffer from leaking.

What version of the storage library did you use? Is this a regression that arises only in new versions?

New version v1.44.0 is used

Did you see this come up in practice as a memory leak running in production systems?

No, this is found during my development, our own test suit keep reporting leaking.
So I tried to use the official example at https://cloud.google.com/storage/docs/uploading-objects#storage-upload-object-go. Same leaking.

No report from production systems yet.

module golang-quicky

go 1.22.6

require (
	cloud.google.com/go/storage v1.44.0
	github.com/stretchr/testify v1.9.0
	go.uber.org/goleak v1.3.0
)

require (
	cel.dev/expr v0.16.1 // indirect
	cloud.google.com/go v0.115.1 // indirect
	cloud.google.com/go/auth v0.9.3 // indirect
	cloud.google.com/go/auth/oauth2adapt v0.2.4 // indirect
	cloud.google.com/go/compute/metadata v0.5.1 // indirect
	cloud.google.com/go/iam v1.2.1 // indirect
	cloud.google.com/go/monitoring v1.21.0 // indirect
	github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.24.1 // indirect
	github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/metric v0.48.1 // indirect
	github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/resourcemapping v0.48.1 // indirect
	github.com/census-instrumentation/opencensus-proto v0.4.1 // indirect
	github.com/cespare/xxhash/v2 v2.3.0 // indirect
	github.com/cncf/xds/go v0.0.0-20240905190251-b4127c9b8d78 // indirect
	github.com/davecgh/go-spew v1.1.1 // indirect
	github.com/envoyproxy/go-control-plane v0.13.0 // indirect
	github.com/envoyproxy/protoc-gen-validate v1.1.0 // indirect
	github.com/felixge/httpsnoop v1.0.4 // indirect
	github.com/go-logr/logr v1.4.2 // indirect
	github.com/go-logr/stdr v1.2.2 // indirect
	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
	github.com/golang/protobuf v1.5.4 // indirect
	github.com/google/s2a-go v0.1.8 // indirect
	github.com/google/uuid v1.6.0 // indirect
	github.com/googleapis/enterprise-certificate-proxy v0.3.4 // indirect
	github.com/googleapis/gax-go/v2 v2.13.0 // indirect
	github.com/kr/text v0.2.0 // indirect
	github.com/planetscale/vtprotobuf v0.6.1-0.20240319094008-0393e58bdf10 // indirect
	github.com/pmezard/go-difflib v1.0.0 // indirect
	go.opencensus.io v0.24.0 // indirect
	go.opentelemetry.io/contrib/detectors/gcp v1.29.0 // indirect
	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.54.0 // indirect
	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.54.0 // indirect
	go.opentelemetry.io/otel v1.29.0 // indirect
	go.opentelemetry.io/otel/metric v1.29.0 // indirect
	go.opentelemetry.io/otel/sdk v1.29.0 // indirect
	go.opentelemetry.io/otel/sdk/metric v1.29.0 // indirect
	go.opentelemetry.io/otel/trace v1.29.0 // indirect
	golang.org/x/crypto v0.27.0 // indirect
	golang.org/x/net v0.29.0 // indirect
	golang.org/x/oauth2 v0.23.0 // indirect
	golang.org/x/sync v0.8.0 // indirect
	golang.org/x/sys v0.25.0 // indirect
	golang.org/x/text v0.18.0 // indirect
	golang.org/x/time v0.6.0 // indirect
	google.golang.org/api v0.197.0 // indirect
	google.golang.org/genproto v0.0.0-20240903143218-8af14fe29dc1 // indirect
	google.golang.org/genproto/googleapis/api v0.0.0-20240903143218-8af14fe29dc1 // indirect
	google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 // indirect
	google.golang.org/grpc v1.66.2 // indirect
	google.golang.org/grpc/stats/opentelemetry v0.0.0-20240907200651-3ffb98b2c93a // indirect
	google.golang.org/protobuf v1.34.2 // indirect
	gopkg.in/yaml.v3 v3.0.1 // indirect
)

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@tritone tritone

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