Skip to content

/go

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

net/http: data race writing to req.Header when serving push #18326

Closed
FiloSottile opened this issue Dec 15, 2016 · 6 comments

Comments

Assignees

@tombergan tombergan

Labels
FrozenDueToAge
Projects
None yet
Milestone
  Go1.8
4 participants
@FiloSottile @gopherbot @tombergan @bradfitz
@FiloSottile
Copy link
Member

commented Dec 15, 2016

What version of Go are you using (go version)?

go version go1.8beta1 darwin/amd64

What operating system and processor architecture are you using (go env)?

GOARCH="amd64"
GOBIN=""
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="darwin"
GOOS="darwin"
GOPATH="/Users/filippo/go"
GORACE=""
GOROOT="/usr/local/Cellar/go/1.8beta1/libexec"
GOTOOLDIR="/usr/local/Cellar/go/1.8beta1/libexec/pkg/tool/darwin_amd64"
GCCGO="gccgo"
CC="clang"
GOGCCFLAGS="-fPIC -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/v8/xdj2snz51sg2m2bnpmwl_91c0000gn/T/go-build410982852=/tmp/go-build -gno-record-gcc-switches -fno-common"
CXX="clang++"
CGO_ENABLED="1"
PKG_CONFIG="pkg-config"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"

What did you do?

Modified the req.Header map from a Handler invoked by Push.

https://play.golang.org/p/3azPpVRX8f

What did you see instead?

==================
WARNING: DATA RACE
Read at 0x00c42006fdd0 by goroutine 17:
  runtime.mapiterinit()
      /usr/local/Cellar/go/1.8beta1/libexec/src/runtime/hashmap.go:668 +0x0
  net/http.(*http2sorter).Keys()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:2739 +0xb8
  net/http.http2encodeHeaders()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:7604 +0x365
  net/http.(*http2writePushPromise).writeFrame()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:7542 +0x257
  net/http.(*http2serverConn).writeFrameAsync()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3450 +0x58

Previous write at 0x00c42006fdd0 by goroutine 16:
  runtime.mapassign()
      /usr/local/Cellar/go/1.8beta1/libexec/src/runtime/hashmap.go:485 +0x0
  net/textproto.MIMEHeader.Set()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/textproto/header.go:22 +0x7e
  net/http.Header.Set()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/header.go:31 +0x60
  main.main.func2()
      test.go:18 +0x7c
  net/http.HandlerFunc.ServeHTTP()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/server.go:1930 +0x51
  net/http.(*ServeMux).ServeHTTP()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/server.go:2226 +0xa2
  net/http.serverHandler.ServeHTTP()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/server.go:2556 +0xbc
  net/http.initNPNRequest.ServeHTTP()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/server.go:3076 +0x109
  net/http.(*initNPNRequest).ServeHTTP()
      <autogenerated>:310 +0x98
  net/http.(Handler).ServeHTTP-fm()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:4286 +0x64
  net/http.(*http2serverConn).runHandler()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:4566 +0x96

Goroutine 17 (running) created at:
  net/http.(*http2serverConn).startFrameWrite()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3732 +0x33b
  net/http.(*http2serverConn).scheduleFrameWrite()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3823 +0x3e1
  net/http.(*http2serverConn).writeFrame()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3686 +0x76
  net/http.(*http2serverConn).startPush()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:5227 +0x33d
  net/http.(*http2serverConn).serve()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3533 +0x987
  net/http.(*http2Server).ServeConn()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3170 +0xc82
  net/http.http2ConfigureServer.func1()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3052 +0xe7
  net/http.(*conn).serve()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/server.go:1734 +0x1956

Goroutine 16 (running) created at:
  net/http.(*http2serverConn).startPush.func1()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:5213 +0x598
  net/http.(*http2serverConn).startFrameWrite()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3714 +0x3bb
  net/http.(*http2serverConn).scheduleFrameWrite()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3823 +0x3e1
  net/http.(*http2serverConn).writeFrame()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3686 +0x76
  net/http.(*http2serverConn).startPush()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:5227 +0x33d
  net/http.(*http2serverConn).serve()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3533 +0x987
  net/http.(*http2Server).ServeConn()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3170 +0xc82
  net/http.http2ConfigureServer.func1()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3052 +0xe7
  net/http.(*conn).serve()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/server.go:1734 +0x1956
==================
==================
WARNING: DATA RACE
Read at 0x00c4201f2088 by goroutine 17:
  net/http.http2encodeHeaders()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:7607 +0xdd
  net/http.(*http2writePushPromise).writeFrame()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:7542 +0x257
  net/http.(*http2serverConn).writeFrameAsync()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3450 +0x58

Previous write at 0x00c4201f2088 by goroutine 16:
  net/textproto.MIMEHeader.Set()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/textproto/header.go:22 +0xdf
  net/http.Header.Set()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/header.go:31 +0x60
  main.main.func2()
      test.go:18 +0x7c
  net/http.HandlerFunc.ServeHTTP()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/server.go:1930 +0x51
  net/http.(*ServeMux).ServeHTTP()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/server.go:2226 +0xa2
  net/http.serverHandler.ServeHTTP()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/server.go:2556 +0xbc
  net/http.initNPNRequest.ServeHTTP()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/server.go:3076 +0x109
  net/http.(*initNPNRequest).ServeHTTP()
      <autogenerated>:310 +0x98
  net/http.(Handler).ServeHTTP-fm()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:4286 +0x64
  net/http.(*http2serverConn).runHandler()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:4566 +0x96

Goroutine 17 (running) created at:
  net/http.(*http2serverConn).startFrameWrite()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3732 +0x33b
  net/http.(*http2serverConn).scheduleFrameWrite()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3823 +0x3e1
  net/http.(*http2serverConn).writeFrame()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3686 +0x76
  net/http.(*http2serverConn).startPush()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:5227 +0x33d
  net/http.(*http2serverConn).serve()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3533 +0x987
  net/http.(*http2Server).ServeConn()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3170 +0xc82
  net/http.http2ConfigureServer.func1()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3052 +0xe7
  net/http.(*conn).serve()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/server.go:1734 +0x1956

Goroutine 16 (running) created at:
  net/http.(*http2serverConn).startPush.func1()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:5213 +0x598
  net/http.(*http2serverConn).startFrameWrite()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3714 +0x3bb
  net/http.(*http2serverConn).scheduleFrameWrite()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3823 +0x3e1
  net/http.(*http2serverConn).writeFrame()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3686 +0x76
  net/http.(*http2serverConn).startPush()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:5227 +0x33d
  net/http.(*http2serverConn).serve()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3533 +0x987
  net/http.(*http2Server).ServeConn()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3170 +0xc82
  net/http.http2ConfigureServer.func1()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3052 +0xe7
  net/http.(*conn).serve()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/server.go:1734 +0x1956
==================
==================
WARNING: DATA RACE
Read at 0x00c4201c21e0 by goroutine 17:
  net/http.http2encodeHeaders()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:7614 +0x17d
  net/http.(*http2writePushPromise).writeFrame()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:7542 +0x257
  net/http.(*http2serverConn).writeFrameAsync()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3450 +0x58

Previous write at 0x00c4201c21e0 by goroutine 16:
  net/textproto.MIMEHeader.Set()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/textproto/header.go:22 +0xae
  net/http.Header.Set()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/header.go:31 +0x60
  main.main.func2()
      test.go:18 +0x7c
  net/http.HandlerFunc.ServeHTTP()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/server.go:1930 +0x51
  net/http.(*ServeMux).ServeHTTP()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/server.go:2226 +0xa2
  net/http.serverHandler.ServeHTTP()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/server.go:2556 +0xbc
  net/http.initNPNRequest.ServeHTTP()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/server.go:3076 +0x109
  net/http.(*initNPNRequest).ServeHTTP()
      <autogenerated>:310 +0x98
  net/http.(Handler).ServeHTTP-fm()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:4286 +0x64
  net/http.(*http2serverConn).runHandler()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:4566 +0x96

Goroutine 17 (running) created at:
  net/http.(*http2serverConn).startFrameWrite()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3732 +0x33b
  net/http.(*http2serverConn).scheduleFrameWrite()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3823 +0x3e1
  net/http.(*http2serverConn).writeFrame()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3686 +0x76
  net/http.(*http2serverConn).startPush()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:5227 +0x33d
  net/http.(*http2serverConn).serve()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3533 +0x987
  net/http.(*http2Server).ServeConn()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3170 +0xc82
  net/http.http2ConfigureServer.func1()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3052 +0xe7
  net/http.(*conn).serve()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/server.go:1734 +0x1956

Goroutine 16 (running) created at:
  net/http.(*http2serverConn).startPush.func1()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:5213 +0x598
  net/http.(*http2serverConn).startFrameWrite()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3714 +0x3bb
  net/http.(*http2serverConn).scheduleFrameWrite()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3823 +0x3e1
  net/http.(*http2serverConn).writeFrame()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3686 +0x76
  net/http.(*http2serverConn).startPush()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:5227 +0x33d
  net/http.(*http2serverConn).serve()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3533 +0x987
  net/http.(*http2Server).ServeConn()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3170 +0xc82
  net/http.http2ConfigureServer.func1()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/h2_bundle.go:3052 +0xe7
  net/http.(*conn).serve()
      /usr/local/Cellar/go/1.8beta1/libexec/src/net/http/server.go:1734 +0x1956
==================

@bradfitz bradfitz assigned tombergan Dec 15, 2016

@bradfitz bradfitz added this to the Go1.8 milestone Dec 15, 2016

@FiloSottile

This comment has been minimized.

Sign in to view
Copy link
Member Author

commented Dec 15, 2016 •
edited

For a common use case, think ReverseProxy.

EDIT: ReverseProxy actually tries to make a copy of the map before modifying it but might have overlooked a copiedHeaders check. If it's the case I'll file a separate issue.

@FiloSottile FiloSottile referenced this issue Dec 15, 2016

Closed

net/http/httputil: ReverseProxy req.Header copying is unclear #18327

@gopherbot

This comment has been minimized.

Sign in to view
Copy link

commented Dec 15, 2016

CL https://golang.org/cl/34493 mentions this issue.

gopherbot pushed a commit to golang/net that referenced this issue Dec 15, 2016

@tombergan @broady
http2: fix race in writePushPromise 
Writing the PUSH_PROMISE can happen concurrently with the request
handler, so we should pass the request handler a cloned Header..

Updates golang/go#18326

Change-Id: I918e7ffbc02459b9ede3226f4bd3c56a6a3b350f
Reviewed-on: https://go-review.googlesource.com/34493
TryBot-Result: Gobot Gobot <gobot@golang.org>
Run-TryBot: Tom Bergan <tombergan@google.com>
Reviewed-by: Chris Broadfoot <cbro@golang.org>
1195a05
@gopherbot

This comment has been minimized.

Sign in to view
Copy link

commented Dec 15, 2016

CL https://golang.org/cl/34495 mentions this issue.
@gopherbot

This comment has been minimized.

Sign in to view
Copy link

commented Dec 15, 2016

CL https://golang.org/cl/34494 mentions this issue.

gopherbot pushed a commit to golang/net that referenced this issue Dec 15, 2016

@tombergan @bradfitz
http2: add regression test for issue golang/go#18326 
Updates golang/go#18326

Change-Id: Iaed30073bab10c7fc25132b388d7b2fc101293d5
Reviewed-on: https://go-review.googlesource.com/34494
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
989b0d9

gopherbot pushed a commit that referenced this issue Dec 15, 2016

@broady
net/http: update bundled http2 
Updates bundled x/net/http2 to git rev 1195a05d for:

    http2: fix incorrect panic
    https://golang.org/cl/34498

    http2: fix race in writePushPromise
    https://golang.org/cl/34493

    http2: speed up TestTransportFlowControl in short mode
    https://golang.org/cl/33241

    http2: don't flush a stream's write queue in sc.resetStream
    https://golang.org/cl/34238

    http2: allow Transport to connect to https://[v6literal]/ without port
    https://golang.org/cl/34143

    http2: log Framer reads and writes when a server test fails
    https://golang.org/cl/34130

Updates #18326
Updates #18273
Updates #18111
Updates #18248
Updates #18235

Change-Id: I18c7a297fc94d6a843284efcfc43e0fdab9b5f41
Reviewed-on: https://go-review.googlesource.com/34495
Run-TryBot: Chris Broadfoot <cbro@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
651d392
@tombergan

This comment has been minimized.

Sign in to view
Copy link
Contributor

commented Dec 15, 2016

Should be fixed.

@tombergan tombergan closed this Dec 15, 2016

@FiloSottile

This comment has been minimized.

Sign in to view
Copy link
Member Author

commented Dec 15, 2016

Confirmed, thanks.

nimakaviani added a commit to cloudfoundry/diego-release that referenced this issue Jun 26, 2017

@nimakaviani Diego
bump executor go-loggregator inigo rep volman net text 
[finishes #140766303]

Submodule src/code.cloudfoundry.org/executor 1a653cd..85f35ea:
  > update go-loggregator package
Submodule src/code.cloudfoundry.org/go-loggregator 0550818..b1525c9:
  > Fix testhelpers/v1/fakes
  > Merge pull request #10 from apoydence/split-NewTLSConfig
  > Ensure all runtime emitters have a default timeout of 10 seconds
  > Add SendComponentMetric to compatibility client
  > Fix typo
  > TestIngressServer uses address instead of port
  > TestEgressServer needs to save actual address
  > Removes NewInsecureIngressClient
  > IngressClient uses addr instead of port
  > Adds TestEgressServer
  > Renames TestServer to TestIngressServer
  > Fix examples
  > Moves v1 fakes to separate package
  > Adds egress client wrapper
  > Renames Option to IngressOption
  > Renames Client to IngressClient
  > Adds WithDelta option for EmitCounter
  > Moves TestServer to testhelpers package
  > Moves fakes under testhelpers directory
  > Adds ability to create an insecure client
  > Add google.golang.org/genproto to vendors
  > Bump google.golang.org/grpc to v1.4.0
  > Export generated loggregator-api files
  > Fix v2 import in examples/simple
  > Add v1 compatability for runtime stats emitter
  > Fix import for runtime_stats example
  > Move fixtures into example dir
  > Rename suite_test
  > Move v2 contents to root directory
  > Moves generic client and fakes to compatability folder
  > Use gobindata for feature tests.
  > Add gomega dependency to scripts/test
  > Adds another required dependency
  > Updates go-loggregator test script
  > Remove go dep tooling and submodule dependencies
  > Revert "Pin grpc-go using dep and remove dep-ensure script"
  > Changes runtimeemitter emission interval to 10 seconds
  > Pin grpc-go using dep and remove dep-ensure script
  > Add tags to logs, gauges and counters.
  > Merge branch 'enocom/master'
  > update Gopkg files
  > Merge pull request #4 from kdykeman/master
  > Merge pull request #2 from hdub2/master
  > Fixes batch interval emission
  > Adds example for using runtime emitter
  > Add runtime emitter to emit runtime stats on interval
  > fix datarace in v2 client test
  > Update README.md
Submodule src/code.cloudfoundry.org/inigo da0693e..f8f80a2:
  > update go-loggregator package
Submodule src/code.cloudfoundry.org/rep ca15821..8fe785b:
  > emit runtime metrics when using loggregator v2 API
Submodule src/code.cloudfoundry.org/volman 64f4d4e..3ee7830:
  > update go-loggregator package
Submodule src/golang.org/x/net c4bb2f7..5f8847a:
  > dns/dnsmessage: additional test coverage
  > dns/dnsmessage: allocation free DNS message parsing and building
  > ipv6: report a destination address on write error
  > ipv4: report a destination address on write error
  > icmp: use socket.NativeEndian
  > ipv6: use socket.NativeEndian
  > http2: fix Server race
  > trace: export /debug/requests and /debug/events handlers
  > http2: make Transport treat http.NoBody like it were nil
  > publicsuffix: update table to latest list from publicsuffix.org
  > http2: stop rejecting outgoing paths beginning with two slashes
  > internal/socket: don't crash with corrupted control messages
  > bpf: add Setter interface
  > http2: fix up comment on unexported connError type
  > ipv6: don't crash with corrupted control messages
  > ipv4: don't crash with corrupted control messages
  > ipv6: deflake multicast listener tests
  > ipv4: deflake multicast listener tests
  > bpf: fix type of Extension constants
  > internal/socket: fix 386 emulation on amd64 for FreeBSD
  > ipv6: add {Read,Write}Batch methods to PacketConn
  > ipv4: add {Read,Write}Batch methods to {Packet,Raw}Conn
  > http2: fix nil dereference after Read completes with an error
  > http2: fix typo in comment
  > internal/socket: add message IO functionality
  > internal/socket: add platform-dependent boilerplate files
  > nettest: skip testConcurrentMethods on Plan 9
  > http2/hpack: gofmt -w -s
  > internal/iana: update DSCP names
  > Revert "ipv4, ipv6, internal/netreflect, bpf: fix the x/net build"
  > internal/socket: merge internal/netreflect into internal/socket package
  > ipv6: plumb in the standard library of Go 1.9 by using internal/socket package
  > ipv4: plumb in the standard library of Go 1.9 by using internal/socket package
  > internal/socket: new package
  > http2: fix RFC number typo in comment
  > http2: remove extra goroutine stack from awaitGracefulShutdown
  > http2: Discard DATA frames from the server after the response body is closed
  > http2: mostly test for Transport memory issue
  > http2/hpack: remove unused pair function from package
  > http2/hpack: remove pair function and initialize directly
  > http2: fix style inconsistency in test
  > http2: reduce the number of select cases in serverConn.server
  > http2: fix lock contention slowdown due to gracefulShutdownCh
  > http2/hpack: move initialization to a static table
  > lif: rename internal types
  > http2: add all bad ciphers, use package constants
  > xsrftoken: panic for unsafe zero length keys
  > route: don't fail test when at least one version of INET protocols is available
  > lif: don't fail test when at least one version of INET protocols is available
  > trace: support Go 1.6 again
  > nettest: break on unexpected error
  > trace: use standard library context
  > http2: Use NO_ERROR instead of CANCEL when responding before the request is finished
  > http2: enforce write deadline per stream
  > http2/h2demo: don't auto redirect the HTTP-only serverpush demo to HTTPS
  > http2/hpack: fix memory leak in headerFieldTable lookup maps
  > http2/h2demo: use HTTP host for HTTP-only link
  > http2/h2demo: add demo for HTTP/2 Server Push
  > Revert "http2/h2demo: add HTTP/2 with Server Push"
  > idna: copy the idna package from x/text, take 2.
  > http2/h2demo: add HTTP/2 with Server Push
  > http2: work around Go 1.8 tls.Config.Clone bug
  > lif: use of nativeEndian to make API endian agnostic
  > dns/dnsmessage: add support for parsing and packing of DNS messages
  > http2: add configurable knobs for the server's receive window
  > http2/hpack: speedup Encoder.searchTable
  > http2: Add opt-in option to Framer to allow DataFrame struct reuse
  > http2: replace fixedBuffer with dataBuffer
  > http2/hpack: remove hpack's constant time string comparison
  > ipv4, ipv6, internal/netreflect, bpf: fix the x/net build
  > route: drop support for go1.5
  > lif: drop support for go1.5
  > internal/netreflect: don't build on go1.9 or above
  > publicsuffix: update table to latest list from publicsuffix.org
  > proxy: split SOCKS5 Dial method in two
  > context/ctxhttp: close httptest server
  > internal/netreflect: fix test on NaCl and Plan 9
  > route: fix typo
  > route: add support for the manipulation of routing informaion
  > http2: don't allow writing non-zero padding unless Framer.AllowIllegalWrites
  > all: single space after period
  > idna: Revert "use code generated by internal x/text package"
  > bpf: implement fmt.Stringer for BPF instructions
  > trace: initialize templates lazily
  > ipv4: simplify init function for darwin
  > internal/netreflect: more use of internal/nettest package
  > internal/nettest: add missing support for "unixgram" to TestableNetwork
  > http2: nit in TestServer_Push_StateTransitions
  > http2: fix flake in TestServer_Push_StateTransitions
  > internal/nettest: add TestableNetwork, NewLocalListener and NewLocalPacketListener
  > nettest: use of internal/nettest package
  > http2/h2i: strip port from server name in client hello
  > internal/netreflect: use of internal/nettest package
  > http2/h2i: send RequestURI as path, to not lose query args
  > x/net/bpf: cleanup TestAsmDisasm
  > http2: fix nits found by vet
  > bpf: disasm load extension to type LoadExtension
  > bpf: disasm "fake" jump conditions
  > ipv6: add missing BUGS section for Windows
  > ipv4: drop package name prefix from identifiers in docs for consistency
  > ipv6: drop package name prefix from identifiers in docs for consistency
  > idna: use code generated by internal x/text package
  > http2: remove unnecessary TODO for trailer keys allocation
  > http2: clear WriteTimeout in Server
  > http2: fix typo
  > http2: fix incorrect panic
  > http2: add regression test for issue golang/go#18326
  > http2: fix race in writePushPromise
  > icmp: add missing BUGS section
  > ipv6: add missing BUGS section
  > ipv4: add missing BUGS section
  > context: deflake tests under Go 1.6
  > http2: speed up TestTransportFlowControl in short mode
  > http2: don't flush a stream's write queue in sc.resetStream
  > http2: allow Transport to connect to https://[v6literal]/ without port
  > http2: log Framer reads and writes when a server test fails
  > ipv4: deflake TestConnUnicastSocketOptions on Windows
  > ipv4: add missing IP_HDRINCL option on Windows
  > nettest: update comment on MakePipe
  > ipv6: add support for linux/{mips,mipsle}
  > ipv4: add support for linux/{mips,mipsle}
  > http2: make Transport retry on server's GOAWAY graceful shutdown
  > http2: fix minor stream accounting bug
  > http2: test for retry after GOAWAY
  > nettest: add package to test for networking conformance
  > websocket: mention the gorilla package
  > ipv6: don't fail test on IPv6 disabled kernel
  > ipv6: simplify references to RFCs in package documentation
  > ipv6: document that package ipv6 doesn't support Darwin kernel version 12 or below
  > internal/nettest: make SupportsIPv6 return false on Darwin kernel version 12 or below
  > http2: fix a typo
  > http2: don't crash when writing RST_STREAM on idle or closed streams
  > trace: remove internal Google reference from comment
  > webdav: gofmt -w -s
  > http2: schedule RSTStream writes onto its stream's queue
  > http2/h2demo: use Let's Encrypt for the TLS cert
  > http2: make Server respect http1 Server's SetKeepAlivesEnabled
  > Revert "ipv6: disable multicast packet delivery tests on darwin 12 or below"
  > ipv6: disable multicast packet delivery tests on darwin 12 or below
  > http2: conditionally log stacks from panics in Server Handlers like net/http
  > http2: fix CloseNotify data race
  > http2: don't overflow stream IDs in server push
  > http2: fix racey and flaky server push test
  > http2: disable server push on receiving a GOAWAY
  > all: make copyright headers consistent with one space after period
  > http2: fix state tracking for pushed streams
  > Revert "context: use Go 1.8 type alias for CancelFunc and Context"
  > http2: fix over-aggressive ignoring of frames while in "go away" mode
  > http2: fix Transport race sending RST_STREAM while reading DATA on cancels
  > http2: remove h2-14 ALPN proto
  > webdav: add Context argument to FileSystem interface
  > http2: make http2.Server access http1's Server via an interface check
  > http2/h2i: do not assume that stdin value is always 0
  > http2: add support for graceful shutdown of Server
  > webdav: fix recently-broken tests
  > http2: change how Server.IdleTimeout is initialized from http.Server
  > http2/h2i: update line endings for recent change to console package
  > webdav: have escapeXML perform fewer allocations.
  > context: use Go 1.8 type alias for CancelFunc and Context
  > http2: initialize Server.IdleTimeout from http.Server as http1 does
  > http2: fix optimized write scheduling
  > http2: implement support for server push
  > http2: reject stream self-dependencies
  > http2: optimize server frame writes
  > http2: interface to support pluggable schedulers
  > publicsuffix: update table to latest list from publicsuffix.org
  > http2: add Server.IdleTimeout
  > webdav: escape displayname
  > http2: make Server return conn protocol errors on bad idle stream frames
  > http2: fix Server race with concurrent Read/Close
  > ipv6: remove unnecessary control message marshaling
  > ipv4: remove unnecessary control message marshaling
  > http2: make Server reuse 64k request body buffer between requests
  > http2: never Read from Request.Body in Transport to determine ContentLength
  > websocket: drop support for go1.4 or below
  > websocket: use of crypto/rand package in test
  > ipv6: drop support for go1.4 or below
  > ipv4: drop support for go1.4 or below
  > websocket: limit incoming payload size
  > ipv4: add support for FreeBSD 11
  > trace: don't allocate all events upfront
  > Revert "trace: don't allocate all events upfront"
  > lif: rename internal types and constants generated by cgo
  > ipv6: rename internal types and constants generated by cgo
  > ipv4: rename internal types and constants generated by cgo
  > trace: don't allocate all events upfront
  > ipv6: don't refer to cgo-generated union field
  > ipv4: don't refer to cgo-generated union field
  > ipv6: add support for solaris
  > ipv4: add support for solaris
  > ipv6: rename thunk_linux_386.s to sys_linux_386.s
  > ipv4: rename thunk_linux_386.s to sys_linux_386.s
  > http2: remove duplicate map lookups in checkConnHeaders
  > websocket: use net.Dialer to open tcp connection
  > http2: mention bogus header value in error messages
  > trace: spelling consistency tweaks
  > http2: don't sniff Request.Body on 100-continue requests in Transport
  > http2: in Server, disarm connection's ReadTimeout after first request
  > http2: add Transport support for IdleConnTimeout
  > http: fix build on Go 1.6 and below
  > http2: implement Ping method on ClientConn
  > x/net/http2: use request url scheme
  > lif: new package
  > route: fix typo
  > ipv4: fix typo
  > ipv6: fix typo
  > route: test helper code cleanup
  > http2: fix broken tests
  > x/net/http2: Fix various typos in doc comments.
  > ipv6: simplify init function for darwin
  > internel/nettest: add SupportsIPv6MulticastDeliveryOnLoopback
  > http2: don't sniff first Request.Body byte in Transport until we have a conn
  > http2: add Transport support for unicode domain names
  > http2: fix bug where '*' as a valid :path value in Transport
  > icmp: don't step on recycled socket descriptors
  > net: skip tests on OS X 10.8 to avoid a kernel panic
  > http2: fix all vet warnings
  > internal/netreflect: fix test on nacl, plan9 and windows
  > ipv6: deduplicate socket option code
  > ipv4: deduplicate socket option code
  > ipv6: use of internal/netreflect package
  > ipv4: use of internal/netreflect package
  > internal/netreflect: new package
  > http2: don't send bogus :path pseudo headers if Request.URL.Opaque is set
  > http2: fix protocol violation regression when writing certain request bodies
  > publicsuffix: update table to latest list from publicsuffix.org
  > http2: adjust flow control on open streams when processing SETTINGS
  > http2: add missing import path declaration
  > http2: add more Transport logging around why connections close
  > http2: fix Transport.RoundTrip hang on stream error before headers
  > http2: add more HEADERS and error logging in GODEBUG=http2debug=2 mode
  > http2: make Transport work around mod_h2 bug
  > http2: don't ignore DATA padding in flow control
  > http2: return flow control for closed streams
  > http2: fix data race on cc.singleUse
  > route: don't crash or hang up with corrupted messages
  > http2: make Transport prefer HTTP response header recv before body write error
  > http2: make Transport treat "Connection: close" the same as Request.Close
  > context/ctxhttp: if context is canceled, return its error
  > http2: fix flaky TestTransportResPattern_* tests
  > http2: make Transport honor Request.Close more aggressively
  > http2: fix flaky TestTransportReqBodyAfterResponse_403
  > context/ctxhttp: add a specialized minimal version for Go 1.7
  > publicsuffix: update table to latest list from publicsuffix.org.
  > http2: add additional blacklisted ciphersuites
  > http2: merge multiple GOAWAY frames' contents into error message
  > http2: make Transport return server's GOAWAY error back to the user
  > webdav: skip test that fails with gccgo
  > ipv4: add support for ppc (using gccgo)
  > ipv6: add support for ppc (using gccgo)
  > http2: fix typo in ReadFrame
  > bpf: implement LoadExtension and ExtLen for VM
  > bpf: fix a typo
  > bpf: add Go implementation of virtual machine
  > webdav: respect the Handler.Prefix in confirmLocks.
  > publicsuffix: strip generated comments; automatically scrape git version.
  > http2: fix data race on pipe
  > http2: consider buffered data when doing stream flow control
  > http2: GotFirstResponseByte hook should only fire once
  > websocket: fix Read behaviour in hybiFrameReader.Read
  > webdav: set 'getlastmodified' live property for directories
  > http2: fix nits in test
  > http2: allow http scheme for http2
  > http2: prevent Server from sending status 100 header after anything else
  > http2: let handlers close Request.Body without killing streams
  > http2: fix Transport.CloseIdleConnections when http1+http2 are wired together
  > http2: delay sending request body in Transport if 100-continue is set
  > http2, lex/httplex: make Transport reject bogus headers before sending
  > http2: reject more trailer values
  > http2: with Go 1.7 set Request.Context in ServeHTTP handlers
  > http2: when using Go 1.7, make Transport use httptrace hooks
  > ipv6: add support for linux/s390x
  > ipv4: add support for linux/s390x
  > route: fix typos in test
  > ipv6: support attaching packet filters to PacketConn.
  > ipv4: support attaching packet filters to PacketConn/RawConn.
  > route: new package
  > http2/hpack: forbid excess and invalid padding in hpack decoder
  > http2: make Transport use Request.Context, set Response.Uncompressed
  > context: correct spelling of TODO in comment
  > ipv4: don't fail test on big endian machine
  > icmp: don't fail test on big endian machine
  > net/trace: fix comment typo
  > context: fix doc typo
  > http2: allow StreamDep of 0 in HEADERS and PRIORITY frames
  > http2: delete pre-Go1.5 request cancellation
  > context/ctxhttp: remove pre-Go 1.5 support
  > context: bump gccgo-specific alloc limit for WithTimeout test.
  > http2: standardize RFC mention format
  > ipv6: fix a typo
  > ipv4: fix a typo
  > icmp: fix a typo
  > http2: fix typos
  > http2/hpack: fix a typo
  > webdav: have the exported API use the standard library's xml.Name type.
  > webdav: rename the "etc/internal/xml" import.
  > webdav: run "gofmt -s" to simplify some tests.
  > webdav: fill in the package's doc comment.
  > webdav: remove runtime check for Go 1.4 or earlier.
  > http2: make Server reject connection-level headers with a 400 response
  > websocket: remove redundant error handling
  > context: implement in terms of the standard library for Go 1.7+
  > http2: Ignore Keep-Alive header in requests
  > bpf: rename LoadIPv4HeaderLen to the more generic LoadMemShift.
Submodule src/golang.org/x/text 0000000...4e9ab9e (new submodule)

Signed-off-by: Chris Piraino <cpiraino@pivotal.io>
aefac4e

@golang golang locked and limited conversation to collaborators Dec 15, 2017

@gopherbot gopherbot added the FrozenDueToAge label Dec 15, 2017

Sign up for free to subscribe to this conversation on GitHub. Already have an account? Sign in.
You can’t perform that action at this time.