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net/http: TestTransportNoReuseAfterEarlyResponse failures due to leaked transports #64252

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gopherbot opened this issue Nov 17, 2023 · 8 comments
Open

net/http: TestTransportNoReuseAfterEarlyResponse failures due to leaked transports #64252

gopherbot opened this issue Nov 17, 2023 · 8 comments
Labels
NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. Testing An issue that has been verified to require only test changes, not just a test failure.
Milestone
Go1.23

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@gopherbot
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gopherbot commented Nov 17, 2023 •
edited by bcmills 

#!watchflakes
post <- pkg == "net/http" && test == "TestTransportNoReuseAfterEarlyResponse" && `appears to have leaked a Transport`

Issue created automatically to collect these failures.

Example (log):

--- FAIL: TestTransportNoReuseAfterEarlyResponse (2.62s)
    --- FAIL: TestTransportNoReuseAfterEarlyResponse/h1 (2.62s)
        main_test.go:161: Test appears to have leaked a Transport:
            internal/poll.runtime_Semacquire(0x56d7d7f8?)
            	/tmp/buildlet/go/src/runtime/sema.go:67 +0x25
            internal/poll.(*FD).Close(0xc000288800)
            	/tmp/buildlet/go/src/internal/poll/fd_unix.go:113 +0x65
            net.(*netFD).Close(0xc000288800)
            	/tmp/buildlet/go/src/net/fd_posix.go:37 +0x32
            net.(*conn).Close(0xc000692008)
...
            testing.(*T).Run(0xc000a09860, {0xf98d51f?, 0xf64c56d?}, 0xc0002d8060)
            	/tmp/buildlet/go/src/testing/testing.go:1736 +0x3ab
            net/http_test.run[...](0xc000a09860, 0xfb220b0, {0xc0004ba740, 0x2?, 0x183e44b0})
            	/tmp/buildlet/go/src/net/http/clientserver_test.go:82 +0x283
            net/http_test.TestTransportNoReuseAfterEarlyResponse(0xc000a09860)
            	/tmp/buildlet/go/src/net/http/transport_test.go:3490 +0x9c
            testing.tRunner(0xc000a09860, 0xfb20d38)
            	/tmp/buildlet/go/src/testing/testing.go:1682 +0xfb
            created by testing.(*T).Run in goroutine 1
            	/tmp/buildlet/go/src/testing/testing.go:1735 +0x390

— watchflakes
@gopherbot gopherbot added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label Nov 17, 2023
@gopherbot
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Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "net/http" && test == "TestTransportNoReuseAfterEarlyResponse"
2023-11-17 18:12 darwin-amd64-longtest go@a9722bf9 net/http.TestTransportNoReuseAfterEarlyResponse (log) 
--- FAIL: TestTransportNoReuseAfterEarlyResponse (2.62s)
    --- FAIL: TestTransportNoReuseAfterEarlyResponse/h1 (2.62s)
        main_test.go:161: Test appears to have leaked a Transport:
            internal/poll.runtime_Semacquire(0x56d7d7f8?)
            	/tmp/buildlet/go/src/runtime/sema.go:67 +0x25
            internal/poll.(*FD).Close(0xc000288800)
            	/tmp/buildlet/go/src/internal/poll/fd_unix.go:113 +0x65
            net.(*netFD).Close(0xc000288800)
            	/tmp/buildlet/go/src/net/fd_posix.go:37 +0x32
            net.(*conn).Close(0xc000692008)
...
            testing.(*T).Run(0xc000a09860, {0xf98d51f?, 0xf64c56d?}, 0xc0002d8060)
            	/tmp/buildlet/go/src/testing/testing.go:1736 +0x3ab
            net/http_test.run[...](0xc000a09860, 0xfb220b0, {0xc0004ba740, 0x2?, 0x183e44b0})
            	/tmp/buildlet/go/src/net/http/clientserver_test.go:82 +0x283
            net/http_test.TestTransportNoReuseAfterEarlyResponse(0xc000a09860)
            	/tmp/buildlet/go/src/net/http/transport_test.go:3490 +0x9c
            testing.tRunner(0xc000a09860, 0xfb20d38)
            	/tmp/buildlet/go/src/testing/testing.go:1682 +0xfb
            created by testing.(*T).Run in goroutine 1
            	/tmp/buildlet/go/src/testing/testing.go:1735 +0x390

— watchflakes

@bcmills
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bcmills commented Nov 27, 2023

(attn @neild)

See previously:

@bcmills bcmills changed the title net/http: TestTransportNoReuseAfterEarlyResponse failures net/http: TestTransportNoReuseAfterEarlyResponse failures due to leaked transports Nov 27, 2023
@gopherbot
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Change https://go.dev/cl/546616 mentions this issue: net/http: avoid leaking io.Copy goroutines (and hijacked connections) in TestTransportNoReuseAfterEarlyResponse

@bcmills bcmills added this to the Go1.22 milestone Dec 1, 2023
@bcmills bcmills added the Testing An issue that has been verified to require only test changes, not just a test failure. label Dec 1, 2023
@bcmills
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bcmills commented Jan 3, 2024

Still leaky, unfortunately:
https://build.golang.org/log/12dcbefd8ecb13277446cbefd331ec5773428bd3

@bcmills bcmills reopened this Jan 3, 2024
@gopherbot
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Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestTransportNoReuseAfterEarlyResponse" && `appears to have leaked a Transport`
2024-01-03 21:01 darwin-amd64-longtest go@6db11026 net/http.TestTransportNoReuseAfterEarlyResponse (log) 
--- FAIL: TestTransportNoReuseAfterEarlyResponse (2.64s)
    --- FAIL: TestTransportNoReuseAfterEarlyResponse/h1 (2.64s)
        main_test.go:161: Test appears to have leaked a Transport:
            internal/poll.runtime_Semacquire(0x57dc13c8?)
            	/tmp/buildlet/go/src/runtime/sema.go:67 +0x25
            internal/poll.(*FD).Close(0xc000214900)
            	/tmp/buildlet/go/src/internal/poll/fd_unix.go:113 +0x65
            net.(*netFD).Close(0xc000214900)
            	/tmp/buildlet/go/src/net/fd_posix.go:37 +0x32
            net.(*conn).Close(0xc000056040)
...
            testing.(*T).Run(0xc00047eb60, {0x10aa969f?, 0x10e426c8?}, 0xc0004fe060)
            	/tmp/buildlet/go/src/testing/testing.go:1750 +0x3ab
            net/http_test.run[...](0xc00047eb60, 0x10c439d8, {0xc000356f40, 0x2, 0x32fda660})
            	/tmp/buildlet/go/src/net/http/clientserver_test.go:82 +0x269
            net/http_test.TestTransportNoReuseAfterEarlyResponse(0xc00047eb60)
            	/tmp/buildlet/go/src/net/http/transport_test.go:3490 +0x9c
            testing.tRunner(0xc00047eb60, 0x10c42660)
            	/tmp/buildlet/go/src/testing/testing.go:1689 +0xfb
            created by testing.(*T).Run in goroutine 1
            	/tmp/buildlet/go/src/testing/testing.go:1742 +0x390

— watchflakes

@gopherbot gopherbot modified the milestones: Go1.22, Go1.23 Feb 6, 2024
@gopherbot
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Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestTransportNoReuseAfterEarlyResponse" && `appears to have leaked a Transport`
2024-01-22 17:55 darwin-amd64-longtest go@77e9c269 net/http.TestTransportNoReuseAfterEarlyResponse (log) 
--- FAIL: TestTransportNoReuseAfterEarlyResponse (2.62s)
    --- FAIL: TestTransportNoReuseAfterEarlyResponse/h1 (2.62s)
        main_test.go:161: Test appears to have leaked a Transport:
            internal/poll.runtime_Semacquire(0x577f5050?)
            	/tmp/buildlet/go/src/runtime/sema.go:67 +0x25
            internal/poll.(*FD).Close(0xc00017c080)
            	/tmp/buildlet/go/src/internal/poll/fd_unix.go:113 +0x65
            net.(*netFD).Close(0xc00017c080)
            	/tmp/buildlet/go/src/net/fd_posix.go:37 +0x32
            net.(*conn).Close(0xc000316000)
...
            testing.(*T).Run(0xc00011e1a0, {0x1040a61f?, 0x107a2768?}, 0xc0002760f0)
            	/tmp/buildlet/go/src/testing/testing.go:1750 +0x3ab
            net/http_test.run[...](0xc00011e1a0, 0x105a49d8, {0xc00025df40, 0x2, 0x162835f0})
            	/tmp/buildlet/go/src/net/http/clientserver_test.go:82 +0x269
            net/http_test.TestTransportNoReuseAfterEarlyResponse(0xc00011e1a0)
            	/tmp/buildlet/go/src/net/http/transport_test.go:3490 +0x9c
            testing.tRunner(0xc00011e1a0, 0x105a3660)
            	/tmp/buildlet/go/src/testing/testing.go:1689 +0xfb
            created by testing.(*T).Run in goroutine 1
            	/tmp/buildlet/go/src/testing/testing.go:1742 +0x390

— watchflakes

@gopherbot
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Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestTransportNoReuseAfterEarlyResponse" && `appears to have leaked a Transport`
2024-03-15 05:04 darwin-amd64-longtest go@c9ed561d net/http.TestTransportNoReuseAfterEarlyResponse (log) 
--- FAIL: TestTransportNoReuseAfterEarlyResponse (2.69s)
    --- FAIL: TestTransportNoReuseAfterEarlyResponse/h1 (2.69s)
        main_test.go:161: Test appears to have leaked a Transport:
            internal/poll.runtime_Semacquire(0x584068f8?)
            	/tmp/buildlet/go/src/runtime/sema.go:67 +0x25
            internal/poll.(*FD).Close(0xc0001ee180)
            	/tmp/buildlet/go/src/internal/poll/fd_unix.go:113 +0x65
            net.(*netFD).Close(0xc0001ee180)
            	/tmp/buildlet/go/src/net/fd_posix.go:37 +0x32
            net.(*conn).Close(0xc000274008)
...
            testing.(*T).Run(0xc00054a4e0, {0x110b42c3?, 0x1144dc80?}, 0xc00029e060)
            	/tmp/buildlet/go/src/testing/testing.go:1750 +0x3ab
            net/http_test.run[...](0xc00054a4e0, 0x1124dd20, {0xc0005f0f40, 0x2, 0x13688180})
            	/tmp/buildlet/go/src/net/http/clientserver_test.go:82 +0x269
            net/http_test.TestTransportNoReuseAfterEarlyResponse(0xc00054a4e0)
            	/tmp/buildlet/go/src/net/http/transport_test.go:3572 +0x9c
            testing.tRunner(0xc00054a4e0, 0x1124c978)
            	/tmp/buildlet/go/src/testing/testing.go:1689 +0xfb
            created by testing.(*T).Run in goroutine 1
            	/tmp/buildlet/go/src/testing/testing.go:1742 +0x390

— watchflakes

@gopherbot
Copy link
Author

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestTransportNoReuseAfterEarlyResponse" && `appears to have leaked a Transport`
2024-03-19 16:19 darwin-amd64-longtest go@8f7df225 net/http.TestTransportNoReuseAfterEarlyResponse (log) 
--- FAIL: TestTransportNoReuseAfterEarlyResponse (2.67s)
    --- FAIL: TestTransportNoReuseAfterEarlyResponse/h1 (2.67s)
        main_test.go:161: Test appears to have leaked a Transport:
            internal/poll.runtime_Semacquire(0x53c423f8?)
            	/tmp/buildlet/go/src/runtime/sema.go:67 +0x25
            internal/poll.(*FD).Close(0xc000180800)
            	/tmp/buildlet/go/src/internal/poll/fd_unix.go:113 +0x65
            net.(*netFD).Close(0xc000180800)
            	/tmp/buildlet/go/src/net/fd_posix.go:37 +0x32
            net.(*conn).Close(0xc00054a020)
...
            testing.(*T).Run(0xc0002504e0, {0xc857f03?, 0xcbf2170?}, 0xc0006d4060)
            	/tmp/buildlet/go/src/testing/testing.go:1750 +0x3ab
            net/http_test.run[...](0xc0002504e0, 0xc9f1de8, {0xc0000e8740, 0x2, 0x8e4dee8})
            	/tmp/buildlet/go/src/net/http/clientserver_test.go:82 +0x269
            net/http_test.TestTransportNoReuseAfterEarlyResponse(0xc0002504e0)
            	/tmp/buildlet/go/src/net/http/transport_test.go:3572 +0x9c
            testing.tRunner(0xc0002504e0, 0xc9f0a30)
            	/tmp/buildlet/go/src/testing/testing.go:1689 +0xfb
            created by testing.(*T).Run in goroutine 1
            	/tmp/buildlet/go/src/testing/testing.go:1742 +0x390

— watchflakes

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NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. Testing An issue that has been verified to require only test changes, not just a test failure.
Projects
Test Flakes
Status: Done
Milestone
Go1.23
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