The test logs failure message and hangs. Here is the goroutine dump when the test hangs.

Details

panic: test timed out after 5s
        running tests:
                Test (5s)
                Test/AggregateClusterChildError (5s)

goroutine 270 [running]:
testing.(*M).startAlarm.func1()
        /usr/lib/go-1.24/src/testing/testing.go:2484 +0x394
created by time.goFunc
        /usr/lib/go-1.24/src/time/sleep.go:215 +0x2d

goroutine 1 [chan receive]:
testing.(*T).Run(0xc000226fc0, {0x11b69d6?, 0xc000299b30?}, 0x12113c0)
        /usr/lib/go-1.24/src/testing/testing.go:1859 +0x431
testing.runTests.func1(0xc000226fc0)
        /usr/lib/go-1.24/src/testing/testing.go:2279 +0x37
testing.tRunner(0xc000226fc0, 0xc000299c70)
        /usr/lib/go-1.24/src/testing/testing.go:1792 +0xf4
testing.runTests(0xc000438978, {0x1c71c70, 0x1, 0x1}, {0x1cb1e00?, 0x7?, 0x1cb0560?})
        /usr/lib/go-1.24/src/testing/testing.go:2277 +0x4b4
testing.(*M).Run(0xc00043b900)
        /usr/lib/go-1.24/src/testing/testing.go:2142 +0x64a
main.main()
        _testmain.go:47 +0x9b

goroutine 7 [chan receive]:
testing.(*T).Run(0xc000227180, {0xee99dd?, 0x1cd1c00?}, 0xc00091f020)
        /usr/lib/go-1.24/src/testing/testing.go:1859 +0x431
google.golang.org/grpc/internal/grpctest.RunSubTests(0xc000227180, {0x1325d58, 0x1cd1c00?})
        HOME/grpc-go/zero-copy-buf-reader/internal/grpctest/grpctest.go:119 +0x2d7
google.golang.org/grpc/internal/xds/xdsdepmgr_test.Test(0xc000227180?)
        HOME/grpc-go/zero-copy-buf-reader/internal/xds/xdsdepmgr/xds_dependency_ma
nager_test.go:62 +0x28
testing.tRunner(0xc000227180, 0x12113c0)
        /usr/lib/go-1.24/src/testing/testing.go:1792 +0xf4
created by testing.(*T).Run in goroutine 1
        /usr/lib/go-1.24/src/testing/testing.go:1851 +0x413

goroutine 186 [sync.Mutex.Lock]:
internal/sync.runtime_SemacquireMutex(0xc0007b5378?, 0xe?, 0xc0007b5350?)
        /usr/lib/go-1.24/src/runtime/sema.go:95 +0x25
internal/sync.(*Mutex).lockSlow(0xc000154de8)
        /usr/lib/go-1.24/src/internal/sync/mutex.go:149 +0x15d
internal/sync.(*Mutex).Lock(...)
        /usr/lib/go-1.24/src/internal/sync/mutex.go:70
sync.(*Mutex).Lock(...)
        /usr/lib/go-1.24/src/sync/mutex.go:46
google.golang.org/grpc/internal/xds/xdsdepmgr.(*DependencyManager).Close(0xc000154d80)
        HOME/grpc-go/zero-copy-buf-reader/internal/xds/xdsdepmgr/xds_dependency_ma
nager.go:180 +0x50
runtime.Goexit()
        /usr/lib/go-1.24/src/runtime/panic.go:636 +0x5e
testing.(*common).FailNow(0xc000583c00)
        /usr/lib/go-1.24/src/testing/testing.go:1041 +0x4a
testing.(*common).Fatal(0xc000583c00, {0xc0007b5768?, 0xc00019caf0?, 0xc00019cb60?})
        /usr/lib/go-1.24/src/testing/testing.go:1118 +0x54
google.golang.org/grpc/internal/xds/xdsdepmgr_test.s.TestAggregateClusterChildError({{}}, 0xc000583c00)
        HOME/grpc-go/zero-copy-buf-reader/internal/xds/xdsdepmgr/xds_dependency_ma
nager_test.go:1267 +0x1595
google.golang.org/grpc/internal/grpctest.RunSubTests.func1(0xc000583c00)
        HOME/grpc-go/zero-copy-buf-reader/internal/grpctest/grpctest.go:127 +0xb5
testing.tRunner(0xc000583c00, 0xc00091f020)
        /usr/lib/go-1.24/src/testing/testing.go:1792 +0xf4
created by testing.(*T).Run in goroutine 7
        /usr/lib/go-1.24/src/testing/testing.go:1851 +0x413

goroutine 188 [IO wait]:
internal/poll.runtime_pollWait(0x7eff95e4e188, 0x72)
        /usr/lib/go-1.24/src/runtime/netpoll.go:351 +0x85
internal/poll.(*pollDesc).wait(0xc000778280?, 0x90041a6fe?, 0x0)
        /usr/lib/go-1.24/src/internal/poll/fd_poll_runtime.go:84 +0x27
internal/poll.(*pollDesc).waitRead(...)
        /usr/lib/go-1.24/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Accept(0xc000778280)
        /usr/lib/go-1.24/src/internal/poll/fd_unix.go:620 +0x295
net.(*netFD).accept(0xc000778280)
        /usr/lib/go-1.24/src/net/fd_unix.go:172 +0x29
net.(*TCPListener).accept(0xc0005fc0c0)
        /usr/lib/go-1.24/src/net/tcpsock_posix.go:159 +0x1b
net.(*TCPListener).Accept(0xc0005fc0c0)
        /usr/lib/go-1.24/src/net/tcpsock.go:380 +0x30
google.golang.org/grpc.(*Server).Serve(0xc000596248, {0x1329c50, 0xc0005fc0c0})
        HOME/grpc-go/zero-copy-buf-reader/server.go:917 +0x473
created by google.golang.org/grpc/internal/testutils/xds/e2e.StartManagementServer in goroutine 186
        HOME/grpc-go/zero-copy-buf-reader/internal/testutils/xds/e2e/server.go:185
 +0x5ca

goroutine 189 [select]:
google.golang.org/grpc/internal/xds/xdsdepmgr_test.(*testWatcher).Update(0xc000154d80?, 0xc000612650?)
        HOME/grpc-go/zero-copy-buf-reader/internal/xds/xdsdepmgr/xds_dependency_ma
nager_test.go:94 +0x59
google.golang.org/grpc/internal/xds/xdsdepmgr.(*DependencyManager).maybeSendUpdateLocked(0xc000154d80)
        HOME/grpc-go/zero-copy-buf-reader/internal/xds/xdsdepmgr/xds_dependency_ma
nager.go:273 +0x851
google.golang.org/grpc/internal/xds/xdsdepmgr.(*DependencyManager).onEndpointResourceError(0xc000154d80, {0xc000708240, 0x
10}, {0x1312120, 0xc0001a69e0}, 0xc00090e680?)
        HOME/grpc-go/zero-copy-buf-reader/internal/xds/xdsdepmgr/xds_dependency_ma
nager.go:729 +0x2bb
google.golang.org/grpc/internal/xds/xdsdepmgr.newEndpointWatcher.func2({0x1312120?, 0xc0001a69e0?}, 0xc0001b2340?)
        HOME/grpc-go/zero-copy-buf-reader/internal/xds/xdsdepmgr/xds_dependency_ma
nager.go:688 +0x3b
google.golang.org/grpc/internal/xds/xdsdepmgr.(*xdsResourceWatcher[...]).ResourceError(...)
        HOME/grpc-go/zero-copy-buf-reader/internal/xds/xdsdepmgr/xds_dependency_ma
nager.go:878
google.golang.org/grpc/internal/xds/xdsclient/xdsresource.(*delegatingEndpointsWatcher).ResourceError(0x11c82b6?, {0x13121
20?, 0xc0001a69e0?}, 0x2?)
        HOME/grpc-go/zero-copy-buf-reader/internal/xds/xdsclient/xdsresource/endpo
ints_resource_type.go:109 +0x25
google.golang.org/grpc/internal/xds/clients/xdsclient.(*wrappingWatcher).ResourceError(0xc0001a66a0, {0x13195e0, 0xc000438
9f0}, 0xc000438a80)
        HOME/grpc-go/zero-copy-buf-reader/internal/xds/clients/xdsclient/clientimp
l_watchers.go:40 +0xbc
google.golang.org/grpc/internal/xds/clients/xdsclient.(*authority).handleADSResourceUpdate.func3({0xc0002536b0?, 0xc0005f6
370?})
        HOME/grpc-go/zero-copy-buf-reader/internal/xds/clients/xdsclient/authority
.go:386 +0x28
google.golang.org/grpc/internal/xds/clients/internal/syncutil.(*CallbackSerializer).run(0xc0006aa4f0, {0x132a978, 0xc0005f
6370})
        HOME/grpc-go/zero-copy-buf-reader/internal/xds/clients/internal/syncutil/c
allback_serializer.go:90 +0xd5
created by google.golang.org/grpc/internal/xds/clients/internal/syncutil.NewCallbackSerializer in goroutine 186
        HOME/grpc-go/zero-copy-buf-reader/internal/xds/clients/internal/syncutil/c
allback_serializer.go:52 +0x11a

goroutine 116 [select]:
google.golang.org/grpc/internal/transport.(*controlBuffer).get(0xc000598040, 0x1)
        HOME/grpc-go/zero-copy-buf-reader/internal/transport/controlbuf.go:428 +0x
108
google.golang.org/grpc/internal/transport.(*loopyWriter).run(0xc0005b0000)
        HOME/grpc-go/zero-copy-buf-reader/internal/transport/controlbuf.go:605 +0x
78
google.golang.org/grpc/internal/transport.NewServerTransport.func3()
        HOME/grpc-go/zero-copy-buf-reader/internal/transport/http2_server.go:342 +
0xde
created by google.golang.org/grpc/internal/transport.NewServerTransport in goroutine 115
        HOME/grpc-go/zero-copy-buf-reader/internal/transport/http2_server.go:340 +
0x191e

goroutine 195 [sync.Cond.Wait]:
sync.runtime_notifyListWait(0xc0005fc550, 0x8)
        /usr/lib/go-1.24/src/runtime/sema.go:597 +0x159
sync.(*Cond).Wait(0xffffffffffffffff?)
        /usr/lib/go-1.24/src/sync/cond.go:71 +0x85
google.golang.org/grpc/internal/xds/clients/xdsclient.(*adsFlowControl).wait(0xc0005fe270)
        HOME/grpc-go/zero-copy-buf-reader/internal/xds/clients/xdsclient/ads_strea
m.go:713 +0x76
google.golang.org/grpc/internal/xds/clients/xdsclient.(*adsStreamImpl).recv(0xc000761ea0, {0x1326ce8, 0xc0006ab070})
        HOME/grpc-go/zero-copy-buf-reader/internal/xds/clients/xdsclient/ads_strea
m.go:431 +0x53
google.golang.org/grpc/internal/xds/clients/xdsclient.(*adsStreamImpl).runner.func1()
        HOME/grpc-go/zero-copy-buf-reader/internal/xds/clients/xdsclient/ads_strea
m.go:265 +0x1b9
google.golang.org/grpc/internal/xds/clients/internal/backoff.RunF({0x132a978, 0xc0005f69b0}, 0xc0005d7f80, 0xc00005a780)
        HOME/grpc-go/zero-copy-buf-reader/internal/xds/clients/internal/backoff/ba
ckoff.go:112 +0xd7
google.golang.org/grpc/internal/xds/clients/xdsclient.(*adsStreamImpl).runner(0xc000761ea0, {0x132a978, 0xc0005f69b0})
        HOME/grpc-go/zero-copy-buf-reader/internal/xds/clients/xdsclient/ads_strea
m.go:270 +0xf1
created by google.golang.org/grpc/internal/xds/clients/xdsclient.newADSStreamImpl in goroutine 190
        HOME/grpc-go/zero-copy-buf-reader/internal/xds/clients/xdsclient/ads_strea
m.go:151 +0x432

goroutine 191 [chan receive]:
google.golang.org/grpc/internal/grpcsync.(*CallbackSerializer).run(0xc0006aa750, {0x132a978, 0xc0005f6820})
        HOME/grpc-go/zero-copy-buf-reader/internal/grpcsync/callback_serializer.go
:88 +0xe5
created by google.golang.org/grpc/internal/grpcsync.NewCallbackSerializer in goroutine 186
        HOME/grpc-go/zero-copy-buf-reader/internal/grpcsync/callback_serializer.go
:52 +0x11a

goroutine 198 [select]:
google.golang.org/grpc/internal/transport.(*http2Client).keepalive(0xc000597448)
        HOME/grpc-go/zero-copy-buf-reader/internal/transport/http2_client.go:1732 
+0x18a
created by google.golang.org/grpc/internal/transport.NewHTTP2Client in goroutine 211
        HOME/grpc-go/zero-copy-buf-reader/internal/transport/http2_client.go:401 +
0x1e5b

goroutine 199 [IO wait]:
internal/poll.runtime_pollWait(0x7eff95e4df58, 0x72)
        /usr/lib/go-1.24/src/runtime/netpoll.go:351 +0x85
internal/poll.(*pollDesc).wait(0xc000778800?, 0xc0006ce000?, 0x0)
        /usr/lib/go-1.24/src/internal/poll/fd_poll_runtime.go:84 +0x27
internal/poll.(*pollDesc).waitRead(...)
        /usr/lib/go-1.24/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000778800, {0xc0006ce000, 0x8000, 0x8000})
        /usr/lib/go-1.24/src/internal/poll/fd_unix.go:165 +0x27a
net.(*netFD).Read(0xc000778800, {0xc0006ce000?, 0xc0005a64b0?, 0x0?})
        /usr/lib/go-1.24/src/net/fd_posix.go:55 +0x25
net.(*conn).Read(0xc00071a398, {0xc0006ce000?, 0x478979?, 0xc00035caf0?})
        /usr/lib/go-1.24/src/net/net.go:194 +0x45
bufio.(*Reader).Read(0xc000413320, {0xc000756584, 0x9, 0x10dde00?})
        /usr/lib/go-1.24/src/bufio/bufio.go:245 +0x197
io.ReadAtLeast({0x13121c0, 0xc000413320}, {0xc000756584, 0x9, 0x9}, 0x9)
        /usr/lib/go-1.24/src/io/io.go:335 +0x91
io.ReadFull(...)
        /usr/lib/go-1.24/src/io/io.go:354
golang.org/x/net/http2.readFrameHeader({0xc000756584, 0x9, 0xc000000000?}, {0x13121c0?, 0xc000413320?})
        HOME//go/pkg/mod/golang.org/x/net@v0.48.0/http2/frame.go:242 +0x65
golang.org/x/net/http2.(*Framer).ReadFrameHeader(0xc000756540)
        HOME//go/pkg/mod/golang.org/x/net@v0.48.0/http2/frame.go:505 +0x6b
google.golang.org/grpc/internal/transport.(*framer).readFrame(0xc000778880)
        HOME/grpc-go/zero-copy-buf-reader/internal/transport/http_util.go:480 +0x4
5
google.golang.org/grpc/internal/transport.(*http2Client).reader(0xc000597448, 0xc00035c9a0)
        HOME/grpc-go/zero-copy-buf-reader/internal/transport/http2_client.go:1658 
+0x1ce
created by google.golang.org/grpc/internal/transport.NewHTTP2Client in goroutine 211
        HOME/grpc-go/zero-copy-buf-reader/internal/transport/http2_client.go:411 +
0x1ed3

goroutine 192 [chan receive]:
google.golang.org/grpc/internal/grpcsync.(*CallbackSerializer).run(0xc0006aab00, {0x132a978, 0xc0005f6870})
        HOME/grpc-go/zero-copy-buf-reader/internal/grpcsync/callback_serializer.go
:88 +0xe5
created by google.golang.org/grpc/internal/grpcsync.NewCallbackSerializer in goroutine 190
        HOME/grpc-go/zero-copy-buf-reader/internal/grpcsync/callback_serializer.go
:52 +0x11a

goroutine 194 [chan receive]:
google.golang.org/grpc/internal/grpcsync.(*CallbackSerializer).run(0xc0006aab60, {0x132a978, 0xc0005f6910})
        HOME/grpc-go/zero-copy-buf-reader/internal/grpcsync/callback_serializer.go
:88 +0xe5
created by google.golang.org/grpc/internal/grpcsync.NewCallbackSerializer in goroutine 190
        HOME/grpc-go/zero-copy-buf-reader/internal/grpcsync/callback_serializer.go
:52 +0x11a

goroutine 193 [chan receive]:
google.golang.org/grpc/internal/grpcsync.(*CallbackSerializer).run(0xc0006aab30, {0x132a978, 0xc0005f68c0})
        HOME/grpc-go/zero-copy-buf-reader/internal/grpcsync/callback_serializer.go
:88 +0xe5
created by google.golang.org/grpc/internal/grpcsync.NewCallbackSerializer in goroutine 190
        HOME/grpc-go/zero-copy-buf-reader/internal/grpcsync/callback_serializer.go
:52 +0x11a

goroutine 117 [select]:
google.golang.org/grpc/internal/transport.(*http2Server).keepalive(0xc000534000)
        HOME/grpc-go/zero-copy-buf-reader/internal/transport/http2_server.go:1199 
+0x1ec
created by google.golang.org/grpc/internal/transport.NewServerTransport in goroutine 115
        HOME/grpc-go/zero-copy-buf-reader/internal/transport/http2_server.go:363 +
0x1965

goroutine 118 [IO wait]:
internal/poll.runtime_pollWait(0x7eff95e4e070, 0x72)
        /usr/lib/go-1.24/src/runtime/netpoll.go:351 +0x85
internal/poll.(*pollDesc).wait(0xc00022a100?, 0xc000324000?, 0x0)
        /usr/lib/go-1.24/src/internal/poll/fd_poll_runtime.go:84 +0x27
internal/poll.(*pollDesc).waitRead(...)
        /usr/lib/go-1.24/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc00022a100, {0xc000324000, 0x8000, 0x8000})
        /usr/lib/go-1.24/src/internal/poll/fd_unix.go:165 +0x27a
net.(*netFD).Read(0xc00022a100, {0xc000324000?, 0x7eff960c65c0?, 0x10?})
        /usr/lib/go-1.24/src/net/fd_posix.go:55 +0x25
net.(*conn).Read(0xc00063c000, {0xc000324000?, 0xc000788150?, 0xc000038c30?})
        /usr/lib/go-1.24/src/net/net.go:194 +0x45
bufio.(*Reader).Read(0xc000566060, {0xc00064e124, 0x9, 0xc000038c58?})
        /usr/lib/go-1.24/src/bufio/bufio.go:245 +0x197
io.ReadAtLeast({0x13121c0, 0xc000566060}, {0xc00064e124, 0x9, 0x9}, 0x9)
        /usr/lib/go-1.24/src/io/io.go:335 +0x91
io.ReadFull(...)
        /usr/lib/go-1.24/src/io/io.go:354
golang.org/x/net/http2.readFrameHeader({0xc00064e124, 0x9, 0x8cca02?}, {0x13121c0?, 0xc000566060?})
        HOME//go/pkg/mod/golang.org/x/net@v0.48.0/http2/frame.go:242 +0x65
golang.org/x/net/http2.(*Framer).ReadFrameHeader(0xc00064e0e0)
        HOME//go/pkg/mod/golang.org/x/net@v0.48.0/http2/frame.go:505 +0x6b
google.golang.org/grpc/internal/transport.(*framer).readFrame(0xc00022a480)
        HOME/grpc-go/zero-copy-buf-reader/internal/transport/http_util.go:480 +0x4
5
google.golang.org/grpc/internal/transport.(*http2Server).HandleStreams(0xc000534000, {0x132a940, 0xc00056e6c0}, 0xc00056e6
f0)
        HOME/grpc-go/zero-copy-buf-reader/internal/transport/http2_server.go:673 +
0x105
google.golang.org/grpc.(*Server).serveStreams(0xc000596248, {0x132a898?, 0x1cd1c00?}, {0x132b038, 0xc000534000}, {0x132f95
0?, 0xc00063c000?})
        HOME/grpc-go/zero-copy-buf-reader/server.go:1055 +0x368
google.golang.org/grpc.(*Server).handleRawConn.func1()
        HOME/grpc-go/zero-copy-buf-reader/server.go:989 +0x56
created by google.golang.org/grpc.(*Server).handleRawConn in goroutine 115
        HOME/grpc-go/zero-copy-buf-reader/server.go:988 +0x1cb

goroutine 190 [chan receive]:
google.golang.org/grpc/internal/xds/clients/internal/syncutil.(*CallbackSerializer).run(0xc0006aa530, {0x132a978, 0xc0005f
63c0})
        HOME/grpc-go/zero-copy-buf-reader/internal/xds/clients/internal/syncutil/c
allback_serializer.go:88 +0xe5
created by google.golang.org/grpc/internal/xds/clients/internal/syncutil.NewCallbackSerializer in goroutine 186
        HOME/grpc-go/zero-copy-buf-reader/internal/xds/clients/internal/syncutil/c
allback_serializer.go:52 +0x11a

goroutine 200 [select]:
google.golang.org/grpc/internal/transport.(*controlBuffer).get(0xc0005fc740, 0x1)
        HOME/grpc-go/zero-copy-buf-reader/internal/transport/controlbuf.go:428 +0x
108
google.golang.org/grpc/internal/transport.(*loopyWriter).run(0xc000651180)
        HOME/grpc-go/zero-copy-buf-reader/internal/transport/controlbuf.go:605 +0x
78
google.golang.org/grpc/internal/transport.NewHTTP2Client.func6()
        HOME/grpc-go/zero-copy-buf-reader/internal/transport/http2_client.go:469 +
0xd2
created by google.golang.org/grpc/internal/transport.NewHTTP2Client in goroutine 211
        HOME/grpc-go/zero-copy-buf-reader/internal/transport/http2_client.go:467 +
0x24b2

goroutine 210 [select]:
google.golang.org/grpc/internal/xds/clients/xdsclient.(*adsStreamImpl).send(0xc000761ea0, {0x132a978, 0xc0005f69b0})
        HOME/grpc-go/zero-copy-buf-reader/internal/xds/clients/xdsclient/ads_strea
m.go:281 +0xd0
created by google.golang.org/grpc/internal/xds/clients/xdsclient.(*adsStreamImpl).runner in goroutine 195
        HOME/grpc-go/zero-copy-buf-reader/internal/xds/clients/xdsclient/ads_strea
m.go:238 +0xb6

goroutine 201 [select]:
google.golang.org/grpc.newClientStreamWithParams.func4()
        HOME/grpc-go/zero-copy-buf-reader/stream.go:425 +0x8c
created by google.golang.org/grpc.newClientStreamWithParams in goroutine 195
        HOME/grpc-go/zero-copy-buf-reader/stream.go:424 +0xe97

goroutine 212 [select]:
reflect.rselect({0xc000524240, 0x6, 0x0?})
        /usr/lib/go-1.24/src/runtime/select.go:616 +0x2ce
reflect.Select({0xc000502a80?, 0x6, 0xc000051560?})
        /usr/lib/go-1.24/src/reflect/value.go:2875 +0x5ca
github.com/envoyproxy/go-control-plane/pkg/server/sotw/v3.(*server).process(0xc000412060, {0x7eff4c3048f0, 0xc00006aa60}, 
0xc000628a80, {0x0, 0x0})
        HOME//go/pkg/mod/github.com/envoyproxy/go-control-plane@v0.14.0/pkg/server/sotw/v3/xds.
go:67 +0x393
github.com/envoyproxy/go-control-plane/pkg/server/sotw/v3.(*server).StreamHandler(0xc000412060, {0x7eff4c3048f0, 0xc00006a
a60}, {0x0, 0x0})
        HOME//go/pkg/mod/github.com/envoyproxy/go-control-plane@v0.14.0/pkg/server/sotw/v3/serv
er.go:182 +0xca
github.com/envoyproxy/go-control-plane/pkg/server/v3.(*server).StreamHandler(...)
        HOME//go/pkg/mod/github.com/envoyproxy/go-control-plane@v0.14.0/pkg/server/v3/server.go
:186
github.com/envoyproxy/go-control-plane/pkg/server/v3.(*server).StreamAggregatedResources(0xc000252810?, {0x132fbd0?, 0xc00
006aa60?})
        HOME//go/pkg/mod/github.com/envoyproxy/go-control-plane@v0.14.0/pkg/server/v3/server.go
:190 +0x4b
github.com/envoyproxy/go-control-plane/envoy/service/discovery/v3._AggregatedDiscoveryService_StreamAggregatedResources_Ha
ndler({0x119e380?, 0xc000252810}, {0x132da18, 0xc000682300})
        HOME//go/pkg/mod/github.com/envoyproxy/go-control-plane/envoy@v1.36.0/service/discovery
/v3/ads_grpc.pb.go:137 +0xd8
google.golang.org/grpc.(*Server).processStreamingRPC(0xc000596248, {0x132a940, 0xc000774c90}, 0xc00073c1a0, 0xc000252a20, 
0x1c96c20, 0x0)
        HOME/grpc-go/zero-copy-buf-reader/server.go:1712 +0x116e
google.golang.org/grpc.(*Server).handleStream(0xc000596248, {0x132b038, 0xc000534000}, 0xc00073c1a0)
        HOME/grpc-go/zero-copy-buf-reader/server.go:1834 +0xd85
google.golang.org/grpc.(*Server).serveStreams.func2.1()
        HOME/grpc-go/zero-copy-buf-reader/server.go:1061 +0x7f
created by google.golang.org/grpc.(*Server).serveStreams.func2 in goroutine 118
        HOME/grpc-go/zero-copy-buf-reader/server.go:1072 +0x11d

goroutine 213 [select]:
google.golang.org/grpc/internal/transport.(*recvBufferReader).readMessageHeader(0xc00073c268, {0xc000682328, 0x5, 0x5})
        HOME/grpc-go/zero-copy-buf-reader/internal/transport/transport.go:177 +0x9
e
google.golang.org/grpc/internal/transport.(*recvBufferReader).ReadMessageHeader(0xc00073c268, {0xc000682328?, 0xc000534000
?, 0xc00073c1a0?})
        HOME/grpc-go/zero-copy-buf-reader/internal/transport/transport.go:146 +0x7
2
google.golang.org/grpc/internal/transport.(*transportReader).ReadMessageHeader(0xc00073c248, {0xc000682328?, 0x1333d18?, 0
xc00051a140?})
        HOME/grpc-go/zero-copy-buf-reader/internal/transport/transport.go:457 +0x2
7
google.golang.org/grpc/internal/transport.(*Stream).ReadMessageHeader(0xc00073c1a0, {0xc000682328, 0x5, 0x5})
        HOME/grpc-go/zero-copy-buf-reader/internal/transport/transport.go:366 +0xa
9
google.golang.org/grpc.(*parser).recvMsg(0xc000682318, 0x400000)
        HOME/grpc-go/zero-copy-buf-reader/rpc_util.go:772 +0x3b
google.golang.org/grpc.recvAndDecompress(0xc000682318, {0x13198a0, 0xc00073c1a0}, {0x0, 0x0}, 0x400000, 0x0, {0x0, 0x0}, 0
x1)
        HOME/grpc-go/zero-copy-buf-reader/rpc_util.go:931 +0x97
google.golang.org/grpc.recv(0xc0001b1f88?, {0x7eff4c3048c8, 0x1cd1c00}, {0x13198a0?, 0xc00073c1a0?}, {0x0?, 0x0?}, {0x1170
a20, 0xc00051a280}, 0x400000, ...)
        HOME/grpc-go/zero-copy-buf-reader/rpc_util.go:1014 +0xab
google.golang.org/grpc.(*serverStream).RecvMsg(0xc000682300, {0x1170a20, 0xc00051a280})
        HOME/grpc-go/zero-copy-buf-reader/stream.go:1812 +0x1a5
github.com/envoyproxy/go-control-plane/envoy/service/discovery/v3.(*aggregatedDiscoveryServiceStreamAggregatedResourcesSer
ver).Recv(0xc00006aa60)
        HOME//go/pkg/mod/github.com/envoyproxy/go-control-plane/envoy@v1.36.0/service/discovery
/v3/ads_grpc.pb.go:156 +0x46
github.com/envoyproxy/go-control-plane/pkg/server/sotw/v3.(*server).StreamHandler.func1()
        HOME//go/pkg/mod/github.com/envoyproxy/go-control-plane@v0.14.0/pkg/server/sotw/v3/serv
er.go:168 +0x94
created by github.com/envoyproxy/go-control-plane/pkg/server/sotw/v3.(*server).StreamHandler in goroutine 212
        HOME//go/pkg/mod/github.com/envoyproxy/go-control-plane@v0.14.0/pkg/server/sotw/v3/serv
er.go:165 +0xa7

goroutine 214 [select]:
google.golang.org/grpc/internal/resolver/dns.(*dnsResolver).watcher(0xc000939900)
        HOME/grpc-go/zero-copy-buf-reader/internal/resolver/dns/dns_resolver.go:22
1 +0x24b
created by google.golang.org/grpc/internal/resolver/dns.(*dnsBuilder).Build in goroutine 189
        HOME/grpc-go/zero-copy-buf-reader/internal/resolver/dns/dns_resolver.go:15
0 +0x2eb

Flaky Test: TestAggregateCluster #8801

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