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Change-Id: I0513a9731e0e0d57bfeda0ffab1c5787edc916f8
Reviewed-on: https://go-review.googlesource.com/c/go/+/300969
Run-TryBot: Carlos Amedee <carlos@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Trust: Carlos Amedee <carlos@golang.org>
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The new error message tells the user what was wrong (no go.mod found)
and directs them to 'go help modules', which links to tutorials.
Includes test fix from CL 298794
Fixes #44746
Change-Id: I98f31fec4a8757eb1792b45491519da4c552cb0f
Reviewed-on: https://go-review.googlesource.com/c/go/+/298650
Trust: Jay Conrod <jayconrod@google.com>
Run-TryBot: Jay Conrod <jayconrod@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
(cherry picked from commit b87e9b9f68f1eb0d685fd250b3b47495710e0059)
Reviewed-on: https://go-review.googlesource.com/c/go/+/298929
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tidy and vendor
'go mod tidy' and 'go mod vendor' normally report errors when a
package can't be imported, even if the import appears in a file that
wouldn't be compiled by the current version of Go. These errors are
common for packages introduced in higher versions of Go, like "embed"
in 1.16.
This change causes 'go mod tidy' and 'go mod vendor' to ignore
missing package errors if the import path appears to come from the
standard library because it lacks a dot in the first path element.
Fixes #44793
Updates #27063
Change-Id: I61d6443e77ab95fd8c0d1514f57ef4c8885a77cc
Reviewed-on: https://go-review.googlesource.com/c/go/+/298749
Trust: Jay Conrod <jayconrod@google.com>
Run-TryBot: Jay Conrod <jayconrod@google.com>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
(cherry picked from commit 56d52e661114be60fb1893b034ac0c5976b622af)
Reviewed-on: https://go-review.googlesource.com/c/go/+/298949
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release-branch.go1.16
Change-Id: Icc8775f559b0125eae94ce4ffd4dcb4e7146a500
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Change-Id: I4999d72caf9462554a2a6f1d761244cafec34718
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1014541
Reviewed-by: Katie Hockman <katiehockman@google.com>
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When operating on a Zip file that contains a file prefixed with "../",
Open(...) would cause a panic in toValidName when attempting to strip
the prefixed path components.
Fixes CVE-2021-27919
Change-Id: Ic755d8126cb0897e2cbbdacf572439c38dde7b35
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1004761
Reviewed-by: Filippo Valsorda <valsorda@google.com>
Reviewed-by: Russ Cox <rsc@google.com>
Reviewed-by: Katie Hockman <katiehockman@google.com>
(cherry picked from commit ce22003b26eaf8e4a690757f699aae7062d41472)
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1013753
Reviewed-by: Roland Shoemaker <bracewell@google.com>
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decoding
This change properly handles a TokenReader which
returns an EOF in the middle of an open XML
element.
Thanks to Sam Whited for reporting this.
Fixes CVE-2021-27918
Change-Id: Id02a3f3def4a1b415fa2d9a8e3b373eb6cb0f433
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1004594
Reviewed-by: Russ Cox <rsc@google.com>
Reviewed-by: Roland Shoemaker <bracewell@google.com>
Reviewed-by: Filippo Valsorda <valsorda@google.com>
(cherry picked from commit e7ce1f6746223ec7b4caa3b1ece25d9be3864710)
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1014235
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This incorporates CL 298009, which allows leading dots in import path
elements but not module path elements. Also added a test.
Fixes #44647
Updates #34992
Change-Id: I2d5faabd8f7b23a7943d3f3ccb6707ab5dc2ce3c
Reviewed-on: https://go-review.googlesource.com/c/go/+/297530
Trust: Jay Conrod <jayconrod@google.com>
Run-TryBot: Jay Conrod <jayconrod@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
(cherry picked from commit 97bdac03aee805cfa54e7762037a568d85339970)
Reviewed-on: https://go-review.googlesource.com/c/go/+/297912
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
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canonical versions
If a canonical version is passed to fixVersion when loading the main
go.mod and that version don't match the module path's major version
suffix, don't call Query.
Query doesn't return a useful error in this case when the path is
malformed, for example, when it doens't have a dot in the first path
element. It's better to report the major version mismatch error.
Fixes #44496
Change-Id: I97b1f64aee894fa0db6fb637aa03a51357ee782c
Reviewed-on: https://go-review.googlesource.com/c/go/+/296590
Trust: Jay Conrod <jayconrod@google.com>
Run-TryBot: Jay Conrod <jayconrod@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
(cherry picked from commit 5fafc0bbd4819578e58e5b9163981b0074ab0b01)
Reviewed-on: https://go-review.googlesource.com/c/go/+/297989
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
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modfile.Parse passed an empty string to the VersionFixer for the
module path. This caused errors for v2+ versions.
For #44496
Change-Id: I13b86b6ecf6815c4bc9a96ec0668284c9228c205
Reviewed-on: https://go-review.googlesource.com/c/go/+/296131
Trust: Jay Conrod <jayconrod@google.com>
Run-TryBot: Jay Conrod <jayconrod@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
(cherry picked from commit bcac57f89c0ec609e6fbebcbcd42bb73fdaef2f0)
Reviewed-on: https://go-review.googlesource.com/c/go/+/297990
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
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message
Updates #44674
Fixes #44676
Change-Id: Icbdb79084bf7bd2f52cc0a53abcc1ec6f0c4a1bf
Reviewed-on: https://go-review.googlesource.com/c/go/+/297350
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Jay Conrod <jayconrod@google.com>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Jay Conrod <jayconrod@google.com>
(cherry picked from commit 87beecd6dfd3b12ed30785ec502f7380dc79ec29)
Reviewed-on: https://go-review.googlesource.com/c/go/+/297633
Trust: Bryan C. Mills <bcmills@google.com>
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when dynlink
When using plugins, a type (whose value) may be pass to a plugin
and get converted to interface there, or vice versa. We need to
treat the type as potentially converted to interface, and retain
its methods.
Updates #44586.
Fixes #44638.
Change-Id: I80dd35e68baedaa852a317543ccd78d94628d13b
Reviewed-on: https://go-review.googlesource.com/c/go/+/296709
Trust: Cherry Zhang <cherryyz@google.com>
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
(cherry picked from commit a655208c9ecd2fee4de6deff35a863b1c28a091c)
Reviewed-on: https://go-review.googlesource.com/c/go/+/296910
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results
One of escape analysis's responsibilities is to summarize whether/how
each function parameter flows to the heap so we can correctly
incorporate those flows into callers' escape analysis data flow
graphs.
As an optimization, we separately record when parameters flow to
result parameters, so that we can more precisely analyze parameter
flows based on how the results are used at the call site. However, if
a named result parameter itself needs to be heap allocated, this
optimization isn't safe and the parameter needs to be recorded as
flowing to heap rather than flowing to result.
Escape analysis used to get this correct because it conservatively
rewalked the data-flow graph multiple times. So even though it would
incorrectly record the result parameter flow, it would separately find
a flow to the heap. However, CL 196811 (specifically, case 3)
optimized the walking logic to reduce unnecessary rewalks causing us
to stop finding the extra heap flow.
This CL fixes the issue by correcting location.leakTo to be sensitive
to sink.escapes and not record result-flows when the result parameter
escapes to the heap.
Fixes #44659.
Change-Id: I48742ed35a6cab591094e2d23a439e205bd65c50
Reviewed-on: https://go-review.googlesource.com/c/go/+/297289
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-on: https://go-review.googlesource.com/c/go/+/297290
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This fixes two uncommon cases.
First, the tzdata code permits timezone offsets up to 24 * 7, although
the POSIX TZ parsing does not. The tzdata code uses this to specify a
day of week in some cases.
Second, we incorrectly rejected a negative time offset for when a time
zone change comes into effect.
For #44385
Fixes #44618
Change-Id: I5f2efc1d385e9bfa974a0de3fa81e7a94b827602
Reviewed-on: https://go-review.googlesource.com/c/go/+/296392
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
(cherry picked from commit d9fd38e68ba00a51c2c7363150688d0e7687ef84)
Reviewed-on: https://go-review.googlesource.com/c/go/+/297230
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GetQueuedCompletionStatus
The third argument to GetQueuedCompletionStatus is a pointer to a
uintptr, not a uint32. Users of this functions have therefore been
corrupting their memory every time they used it. Either that memory
corruption was silent (dangerous), or their programs didn't work so they
chose a different API to use.
This fixes the problem by passing through an intermediate buffer.
Updates #44538.
Fixes #44593.
Change-Id: Icacd71f705b36e41e52bd8c4d74898559a27522f
Reviewed-on: https://go-review.googlesource.com/c/go/+/296150
Trust: Jason A. Donenfeld <Jason@zx2c4.com>
Run-TryBot: Jason A. Donenfeld <Jason@zx2c4.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
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The fix is to pull in CL 295931 from the x/mod repo.
Updates #44497
Fixes #44498
Change-Id: I008b58d0f4bb48c09d4f1e6ed31d11a714f87dc0
Reviewed-on: https://go-review.googlesource.com/c/go/+/295150
Trust: Bryan C. Mills <bcmills@google.com>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Jay Conrod <jayconrod@google.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
(cherry picked from commit 691ac806d20616fab66bb50752edfa9e4e9f8151)
Reviewed-on: https://go-review.googlesource.com/c/go/+/295930
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arguments with call method in go/defer
In CL 253457, we did the same fix for direct function calls. But for
method calls, the receiver argument also need to be passed through the
wrapper function, which we are not doing so the compiler crashes with
the code in #44415.
It will be nicer if we can rewrite OCALLMETHOD to normal OCALLFUNC, but
that will be for future CL. The passing receiver argument to wrapper
function is easier for backporting to go1.16 branch.
Fixes #44464
Change-Id: I03607a64429042c6066ce673931db9769deb3124
Reviewed-on: https://go-review.googlesource.com/c/go/+/296490
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-on: https://go-review.googlesource.com/c/go/+/296769
Trust: Bryan C. Mills <bcmills@google.com>
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obfuscated code
DWARF generation uses variable source positions (file/line/col) as a
way to uniquely identify locals and parameters, as part of the process
of matching up post-optimization variables with the corresponding
pre-optimization versions (since the DWARF needs to be in terms of the
original source constructs).
This strategy can run into problems when compiling obfuscated or
machine-generated code, where you can in some circumstances wind up
with two local variables that appear to have the same name, file,
line, and column. This patch changes DWARF generation to skip over
such duplicates as opposed to issuing a fatal error (if an
obfuscation tool is in use, it is unlikely that a human being will be
able to make much sense of DWARF info in any case).
Fixes #44433.
Change-Id: I198022d184701aa9ec3dce42c005d29b72d2e321
Reviewed-on: https://go-review.googlesource.com/c/go/+/294289
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Jeremy Faller <jeremy@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Trust: Than McIntosh <thanm@google.com>
Run-TryBot: Than McIntosh <thanm@google.com>
(cherry picked from commit e78e04ce39b9df316edda08f43f253f5e9ac509e)
Reviewed-on: https://go-review.googlesource.com/c/go/+/294789
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empty returns
The code for delayed declaration of inlined result parameters only
handles non-empty return statements. This is generally okay, because
we already early declare if there are any (non-blank) named result
parameters.
But if a user writes a function with only blank result parameters and
with exactly one return statement, which is empty, then they could end
up hitting the dreaded "Value live at entry" ICE.
This CL fixes the issue by ensuring we always early declare inlined
result parameters if there are any empty return statements.
Fixes #44358.
Change-Id: I315f3853be436452883b1ce31da1bdffdf24d506
Reviewed-on: https://go-review.googlesource.com/c/go/+/293293
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/296569
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This permits analysis of the syscall package by tools built with
older versions of Go that do not recognize ios as a GOOS.
For #44459
Fixes #44462
Change-Id: I79cec2ffe0dbcbc2dc45a385e556dc9e62033125
Reviewed-on: https://go-review.googlesource.com/c/go/+/294634
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
(cherry picked from commit 03d36d8198428a6970ba01f5de41c264acbff8fc)
Reviewed-on: https://go-review.googlesource.com/c/go/+/294635
Reviewed-by: Cherry Zhang <cherryyz@google.com>
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Fixes breakage accidentally introduced by https://golang.org/cl/291711.
Fixes #44402.
Updates #44295.
Change-Id: I76f3e5577d1d24027d4ed2a725b5b749ab2d059c
Reviewed-on: https://go-review.googlesource.com/c/go/+/292629
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
(cherry picked from commit 6f3da9d2f6b4f7dbbe5d15260d87ed2a84488fde)
Reviewed-on: https://go-review.googlesource.com/c/go/+/293843
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Dmitri Shuralyov <dmitshur@golang.org>
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
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warning
For #44340
Fixes #44346
Change-Id: Id80dd1f44a988b653933732afcc8e49a826affc4
Reviewed-on: https://go-review.googlesource.com/c/go/+/293209
Reviewed-by: Andrew G. Morgan <agm@google.com>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
(cherry picked from commit 07ef3135253321176704bce6e629a07ac02bf1c6)
Reviewed-on: https://go-review.googlesource.com/c/go/+/293411
TryBot-Result: Go Bot <gobot@golang.org>
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Change-Id: I4c1350e0cb74ebfde5832973979e02997476d16c
Reviewed-on: https://go-review.googlesource.com/c/go/+/292609
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Alexander Rakoczy <alex@golang.org>
Run-TryBot: Alexander Rakoczy <alex@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Carlos Amedee <carlos@golang.org>
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1004a7cb31 runtime/metrics: update documentation to current interface
6530f2617f doc/go1.16: remove draft notice
353e111455 doc/go1.16: fix mismatched id attribute
f0d23c9dbb internal/poll: netpollcheckerr before sendfile
0cb3415154 doc: remove all docs not tied to distribution
626ef08127 doc: remove install.html and install-source.html
30641e36aa internal/poll: if copy_file_range returns 0, assume it failed
33d72fd412 doc/faq: update generics entry to reflect accepted proposal
852ce7c212 cmd/go: provide a more helpful suggestion for "go vet -?"
66c27093d0 cmd/link: fix typo in link_test.go
ff0e93ea31 doc/go1.16: note that package path elements beginning with '.' are disallowed
249da7ec02 CONTRIBUTORS: update for the Go 1.16 release
864d4f1c6b cmd/go: multiple small 'go help' fixes
26ceae85a8 spec: More precise wording in section on function calls.
930c2c9a68 cmd/go: reject embedded files that can't be packed into modules
e5b08e6d5c io/fs: allow backslash in ValidPath, reject in os.DirFS.Open
ed8079096f cmd/compile: mark concrete call of reflect.(*rtype).Method as REFLECTMETHOD
e9c9683597 cmd/go: suppress errors from 'go get -d' for packages that only conditionally exist
e0ac989cf3 archive/tar: detect out of bounds accesses in PAX records resulting from padded lengths
c9d6f45fec runtime/metrics: fix a couple of documentation typpos
cea4e21b52 io/fs: backslash is always a glob meta character
dc725bfb3c doc/go1.16: mention new vet check for asn1.Unmarshal
1901853098 runtime/metrics: fix panic in readingAllMetric example
ed3e4afa12 syscall/plan9: remove spooky fd action at a distance
724d0720b3 doc/go1.16: add missed heading tag in vet section
b54cd94d47 embed, io/fs: clarify that leading and trailing slashes are disallowed
4516afebed testing/fstest: avoid symlink-induced failures in tester
8869086d8f runtime: fix typo in histogram.go
e491c6eea9 math/big: fix comment in divRecursiveStep
fca94ab3ab spec: improve the example in Type assertions section
98f8454a73 cmd/link: don't decode type symbol in shared library in deadcode
1426a571b7 cmd/link: fix off-by-1 error in findShlibSection
32e789f4fb test: fix incorrectly laid out instructions in issue11656.go
0b6cfea634 doc/go1.16: document that on OpenBSD syscalls are now made through libc
26e29aa15a cmd/link: disable TestPIESize if CGO isn't enabled
6ac91e460c doc/go1.16: minor markup fixes
44361140c0 embed: update docs for proposal tweaks
68058edc39 runtime: document pointer write atomicity for memclrNoHeapPointers
c8bd8010ff syscall: generate readlen/writelen for openbsd libc
41bb49b878 cmd/go: revert TestScript/build_trimpath to use ioutil.ReadFile
725a642c2d runtime: correct syscall10/syscall10X on openbsd/amd64
4b068cafb5 doc/go1.16: document go/build/constraint package
376518d77f runtime,syscall: convert syscall on openbsd/arm64 to libc
Change-Id: Icfe3d849f459eda48d7d786d0cd7b082c9c2c325
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The package documentation referenced sample metadata that was removed in CL 282632. Update this documentation to be less specific
about what metadata is available.
Additionally, the documentation on the Sample type referred to Descriptions instead of All as the source of metrics names.
Fixes #44280.
Change-Id: I24fc63a744bf498cb4cd5bda56c1599f6dd75929
Reviewed-on: https://go-review.googlesource.com/c/go/+/292309
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Trust: Michael Knyszek <mknyszek@google.com>
Trust: Dmitri Shuralyov <dmitshur@golang.org>
Run-TryBot: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
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Fixes #40700.
Change-Id: I99ed479d1bb3cdf469c0209720c728276182a7a9
Reviewed-on: https://go-review.googlesource.com/c/go/+/291809
Reviewed-by: Alexander Rakoczy <alex@golang.org>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Trust: Alexander Rakoczy <alex@golang.org>
Run-TryBot: Alexander Rakoczy <alex@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
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For #40700.
Change-Id: I186a21899404bfb79c08bfa8623caf9da74b6b0d
GitHub-Last-Rev: 25d240db3c0e2a923720bb9667ef0599ec06819e
GitHub-Pull-Request: golang/go#44145
Reviewed-on: https://go-review.googlesource.com/c/go/+/290329
Trust: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
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In net/http package, the ServeContent/ServeFile doesn't check the I/O
timeout error from chunkWriter or *net.TCPConn, which means that both
HTTP status and headers might be missing when WriteTimeout happens. If
the poll.SendFile() doesn't check the *poll.FD state before sending
data, the client will only receive the response body with status and
report "malformed http response/status code".
This patch is to enable netpollcheckerr before sendfile, which should
align with normal *poll.FD.Write() and Splice().
Fixes #43822
Change-Id: I32517e3f261bab883a58b577b813ef189214b954
Reviewed-on: https://go-review.googlesource.com/c/go/+/285914
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
Trust: Emmanuel Odeke <emmanuel@orijtech.com>
Trust: Bryan C. Mills <bcmills@google.com>
Run-TryBot: Emmanuel Odeke <emmanuel@orijtech.com>
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They have moved to x/website in CL 291693.
The docs that are left are the ones that are edited at the same time
as development in this repository and are tied to the specific version
of Go being developed. Those are:
- the language spec
- the memory model
- the assembler manual
- the current release's release notes
Change-Id: I437c4d33ada1b1716b1919c3c939c2cacf407e83
Reviewed-on: https://go-review.googlesource.com/c/go/+/291711
Trust: Russ Cox <rsc@golang.org>
Trust: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
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These live in x/website/content/doc now.
The copies here just attract edits that have no actual effect.
For #40496.
For #41861.
Change-Id: I2fdd7375e373949eb9a88f4cdca440b6a5d45eea
Reviewed-on: https://go-review.googlesource.com/c/go/+/291709
Trust: Russ Cox <rsc@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
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On current Linux kernels copy_file_range does not correctly handle
files in certain special file systems, such as /proc. For those file
systems it fails to copy any data and returns zero. This breaks Go's
io.Copy for those files.
Fix the problem by assuming that if copy_file_range returns 0 the
first time it is called on a file, that that file is not supported.
In that case fall back to just using read. This will force an extra
system call when using io.Copy to copy a zero-sized normal file,
but at least it will work correctly.
For #36817
Fixes #44272
Change-Id: I02e81872cb70fda0ce5485e2ea712f219132e614
Reviewed-on: https://go-review.googlesource.com/c/go/+/291989
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
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For #43651
Change-Id: Idb511f4c759d9a77de289938c19c2c1d4a542a17
Reviewed-on: https://go-review.googlesource.com/c/go/+/291990
Trust: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
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For the command
go vet -?
the output was,
usage: go vet [-n] [-x] [-vettool prog] [build flags] [vet flags] [packages]
Run 'go help vet' for details.
Run 'go tool vet -help' for the vet tool's flags.
but "go help vet" is perfunctory at best. (That's another issue I'm
working on—see https://go-review.googlesource.com/c/tools/+/291909—
but vendoring is required to sort that out.) Add another line and rewrite
a bit to make it actually helpful:
usage: go vet [-n] [-x] [-vettool prog] [build flags] [vet flags] [packages]
Run 'go help vet' for details.
Run 'go tool vet help' for a full list of flags and analyzers.
Run 'go tool vet -help' for an overview.
Change-Id: I9d8580f0573321a57d55875ac3185988ce3eaf64
Reviewed-on: https://go-review.googlesource.com/c/go/+/291929
Trust: Rob Pike <r@golang.org>
Run-TryBot: Rob Pike <r@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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specfic -> specific
Change-Id: Icad0f70c77c866a1031a2929b90fef61fe92aaee
GitHub-Last-Rev: f66b56491c0125f58c47f7f39410e0aeef2539be
GitHub-Pull-Request: golang/go#44246
Reviewed-on: https://go-review.googlesource.com/c/go/+/291829
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Matthew Dempsky <mdempsky@google.com>
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For #43985
Change-Id: I1a16f66800c5c648703f0a0d2ad75024525a710f
Reviewed-on: https://go-review.googlesource.com/c/go/+/291389
Trust: Bryan C. Mills <bcmills@google.com>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Jay Conrod <jayconrod@google.com>
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This update was created using the updatecontrib command:
go get golang.org/x/build/cmd/updatecontrib
cd gotip
updatecontrib
With manual changes based on publicly available information
to canonicalize letter case and formatting for a few names.
For #12042.
Change-Id: I030b77e8ebcc7fe02106f0f264acdfb0b56e20d9
Reviewed-on: https://go-review.googlesource.com/c/go/+/291189
Trust: Carlos Amedee <carlos@golang.org>
Run-TryBot: Carlos Amedee <carlos@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Alexander Rakoczy <alex@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
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* Link to privacy policies for proxy.golang.org and sum.golang.org in
'go help modules'. It's important that both policies are linked from
the go command's documentation.
* Fix wording and typo in 'go help vcs' following comments in CL 290992,
which adds reference documentation for GOVCS.
* Fix whitespace on GOVCS in 'go help environment'.
For #41730
Change-Id: I86abceacd4962b748361244026f219157c9285e9
Reviewed-on: https://go-review.googlesource.com/c/go/+/291230
Trust: Jay Conrod <jayconrod@google.com>
Run-TryBot: Jay Conrod <jayconrod@google.com>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
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A caller is not always in a function.
For example, a call can appear in top level declarations.
e.g. var x = f()
Change-Id: I29c4c3b7663249434fb2b8a6d0003267c77268cf
Reviewed-on: https://go-review.googlesource.com/c/go/+/290849
Reviewed-by: Rob Pike <r@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
Trust: Robert Griesemer <gri@golang.org>
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If the file won't be packed into a module,
don't put those files into embeds.
Otherwise people will be surprised when things work
locally but not when imported by another module.
Observed on CL 290709
Change-Id: Ia0ef7d0e0f5e42473c2b774e57c843e68a365bc7
Reviewed-on: https://go-review.googlesource.com/c/go/+/290809
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Jay Conrod <jayconrod@google.com>
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Rejecting backslash introduces problems with presenting
underlying OS file systems that contain names with backslash.
Rejecting backslash also does not Windows-proof the syntax,
because colon can also be a path separator. And we are not
going to reject colon from all names. So don't reject backslash
either.
There is a similar problem on Windows with names containing
slashes, but those are more difficult (though not impossible)
to create.
Also document and enforce that paths must be UTF-8.
Fixes #44166.
Change-Id: Iac7a9a268025c1fd31010dbaf3f51e1660c7ae2a
Reviewed-on: https://go-review.googlesource.com/c/go/+/290709
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
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For functions that call reflect.Type.Method (or MethodByName), we
mark it as REFLECTMETHOD, which tells the linker that methods
can be retrieved via reflection and the linker keeps all exported
methods live. Currently, this marking expects exactly the
interface call reflect.Type.Method (or MethodByName). But now the
compiler can devirtualize that call to a concrete call
reflect.(*rtype).Method (or MethodByName), which is not handled
and causing the linker to discard methods too aggressively.
Handle the latter in this CL.
Fixes #44207.
Change-Id: Ia4060472dbff6ab6a83d2ca8e60a3e3f180ee832
Reviewed-on: https://go-review.googlesource.com/c/go/+/290950
Trust: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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conditionally exist
Fixes #44106
Fixes #29268
Change-Id: Id113f2ced274d43fbf66cb804581448218996f81
Reviewed-on: https://go-review.googlesource.com/c/go/+/289769
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Jay Conrod <jayconrod@google.com>
Trust: Bryan C. Mills <bcmills@google.com>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
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padded lengths
Handles the case in which padding of a PAX record's length field
violates invariants about the formatting of record, whereby it no
longer matches the prescribed format:
"%d %s=%s\n", <length>, <keyword>, <value>
as per:
https://pubs.opengroup.org/onlinepubs/9699919799/utilities/pax.html#tag_20_92_13_03
0-padding, and paddings of other sorts weren't handled and we assumed
that only non-padded decimal lengths would be passed in.
Added test cases to ensure that the parsing still proceeds as expected.
The prior crashing repro:
0000000000000000000000000000000030 mtime=1432668921.098285006\n30 ctime=2147483649.15163319
exposed the fallacy in the code, that assumed that the length would ALWAYS be a
non-padded decimal length string.
This bug has existed since Go1.1 as per CL 6700047.
Thanks to Josh Bleecher Snyder for fuzzing this package, and thanks to Tom
Thorogood for advocacy, raising parity with GNU Tar, but for providing more test cases.
Fixes #40196
Change-Id: I32e0af4887bc9221481bd9e8a5120a79f177f08c
Reviewed-on: https://go-review.googlesource.com/c/go/+/289629
Trust: Emmanuel Odeke <emmanuel@orijtech.com>
Trust: Joe Tsai <thebrokentoaster@gmail.com>
Run-TryBot: Emmanuel Odeke <emmanuel@orijtech.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Joe Tsai <thebrokentoaster@gmail.com>
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Fixes #44150
Change-Id: Ibe5bfba01491dd8c2f0696fab40a1673230d76e9
Reviewed-on: https://go-review.googlesource.com/c/go/+/290349
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
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Fixes #44171
Change-Id: I2d3437a2f5b9fa0358e4664e1a8eacebed975eed
Reviewed-on: https://go-review.googlesource.com/c/go/+/290512
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
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This vet check was added in CL 243397.
For #40700.
Change-Id: Ibff6df9395d37bb2b84a791443578009f23af4fb
GitHub-Last-Rev: e47c38f6309f31a6de48d4ffc82078d7ad45b171
GitHub-Pull-Request: golang/go#44147
Reviewed-on: https://go-review.googlesource.com/c/go/+/290330
Trust: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
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medianBucket can return if the total is greater than thresh.
However, if a histogram has no counts, total and thresh
will both be zero and cause panic.
Adding an equal sign to prevent the potential panic.
Fixes #44148
Change-Id: Ifb8a781990f490d142ae7c035b4e01d6a07ae04d
Reviewed-on: https://go-review.googlesource.com/c/go/+/290171
Trust: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Run-TryBot: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
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Change Plan 9 fork/exec to use the O_CLOEXEC file
descriptor, instead of relying on spooky at a
distance.
Historically, Plan 9 has set the O_CLOEXEC flag on
the underlying channels in the kernel, rather
than the file descriptors -- if two fds pointed
at a single channel, as with dup, changing the
flags on one of them would be observable on the
other.
The per-Chan semantics are ok, if unexpected,
when a chan is only handled within a single
process, but this isn't always the case.
Forked processes share Chans, but even more of
a problem is the interaction between /srv and
OCEXEC, which can lead to unexectedly closed
file descriptors in completely unrelated
proceses. For example:
func exists() bool {
// If some other thread execs here,
// we don't want to leak the fd, so
// open it O_CLOEXEC
fd := Open("/srv/foo", O_CLOEXEC)
if fd != -1 {
Close(fd)
return true
}
return false
}
would close the connection to any file descriptor
(maybe even for the root fs) in ALL other processes
that have it open if an exec were to happen(!),
which is quite undesriable.
As a result, 9front will be changing this behavior
for the next release.
Go is the only code observed so far that relies on
this behavior on purpose, and It's easy to make the
code work with both semantics: simply using the file
descriptor that was opened with O_CEXEC instead of
throwing it away.
So we do that here.
Fixes #43524
Change-Id: I4887f5c934a5e63e5e6c1bb59878a325abc928d3
GitHub-Last-Rev: 96bb21bd1e8f64dc7e082a56928748a7d54c9272
GitHub-Pull-Request: golang/go#43533
Reviewed-on: https://go-review.googlesource.com/c/go/+/281833
Reviewed-by: David du Colombier <0intro@gmail.com>
Reviewed-by: Richard Miller <millerresearch@gmail.com>
Reviewed-by: Jacob Moody <j4kem00dy@gmail.com>
Run-TryBot: David du Colombier <0intro@gmail.com>
Trust: Ian Lance Taylor <iant@golang.org>
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Add missed heading tag in CL 276373.
For #40700
Change-Id: Ida9e8861589bbc296a5a1cecbf9fe33fa09ed0ca
GitHub-Last-Rev: d218f8d4b70b20c30422863db7bed3683e3218e6
GitHub-Pull-Request: golang/go#44111
Reviewed-on: https://go-review.googlesource.com/c/go/+/289869
Reviewed-by: Tim King <taking@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Trust: Tim King <taking@google.com>
Trust: Dmitri Shuralyov <dmitshur@golang.org>
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Fixes #44012
Change-Id: I5782cea301a65ae12ba870ff1e6b2e0a2651dc09
Reviewed-on: https://go-review.googlesource.com/c/go/+/290071
Run-TryBot: Jay Conrod <jayconrod@google.com>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Jay Conrod <jayconrod@google.com>
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