The Go 1.16 code freeze has recently started. This is a time to update
all golang.org/x/... module versions that contribute packages to the
std and cmd modules in the standard library to latest master versions.
Those versions have already gone through code review, and now they
will undergo additional testing during the upcoming freeze period.
If new issues in these dependencies are discovered, we have the freeze
period to address them. By the end of the freeze period, we will have
confidence that the Go 1.16 release and the dependency versions it has
selected are robust.
The dependency module versions that are selected in this commit are:
github.com/google/pprof v0.0.0-20201007051231-1066cbb265c7
github.com/ianlancetaylor/demangle v0.0.0-20200414190113-039b1ae3a340
golang.org/x/arch v0.0.0-20201008161808-52c3e6f60cff
golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897
golang.org/x/mod v0.3.1-0.20200828183125-ce943fd02449
golang.org/x/net v0.0.0-20201029221708-28c70e62bb1d
golang.org/x/sys v0.0.0-20201110211018-35f3e6cf4a65
golang.org/x/text v0.3.4
golang.org/x/tools v0.0.0-20201110201400-7099162a900a
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1
This change was created with a program from CL 256357 patch set 3
(which updates golang.org/x modules only) and the latest bundle tool,
but replacing golang.org/x/net version with a slightly older commit
golang/net@28c70e62bb due to #42498:
$ updatestd -goroot=$HOME/gotip -branch=master
> go version
go version devel +ecc3f5112e Thu Nov 5 23:21:33 2020 +0000 darwin/amd64
> go env GOROOT
/Users/dmitshur/gotip
> go version -m /Users/dmitshur/go/bin/bundle
/Users/dmitshur/go/bin/bundle: go1.15.4
path golang.org/x/tools/cmd/bundle
mod golang.org/x/tools v0.0.0-20201110201400-7099162a900a h1:5E6TPwSBG74zT8xSrVc8W59K4ch4NFobVTnh2BYzHyU=
dep golang.org/x/mod v0.3.0 h1:RM4zey1++hCTbCVQfnWeKs9/IEsaBLA8vTkd0WVtmH4=
dep golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
updating module cmd in /Users/dmitshur/gotip/src/cmd
skipping github.com/chzyer/logex (out of scope, it's not a golang.org/x dependency)
skipping github.com/chzyer/readline (out of scope, it's not a golang.org/x dependency)
skipping github.com/chzyer/test (out of scope, it's not a golang.org/x dependency)
skipping github.com/google/pprof (out of scope, it's not a golang.org/x dependency)
skipping github.com/ianlancetaylor/demangle (out of scope, it's not a golang.org/x dependency)
skipping github.com/yuin/goldmark (out of scope, it's not a golang.org/x dependency)
skipping rsc.io/pdf (out of scope, it's not a golang.org/x dependency)
> go mod edit -go=1.16
> go get -d golang.org/x/arch@52c3e6f60cffa0133a3f9b2fc7f6862504a6cba0 golang.org/x/crypto@9e8e0b390897c84cad53ebe9ed2d1d331a5394d9 golang.org/x/mod@ce943fd02449f621243c9ea6e64098e84752b92b golang.org/x/net@28c70e62bb1d140c3f2579fb7bb5095134d9cb1e golang.org/x/sync@67f06af15bc961c363a7260195bcd53487529a21 golang.org/x/sys@35f3e6cf4a65a85bc280e5fe63faed8ac8b25721 golang.org/x/text@22f1617af38ed4cd65b3b96e02bab267e560155c golang.org/x/tools@7099162a900ae8260c5b97cfaf5f374243dfa742 golang.org/x/xerrors@5ec99f83aff198f5fbd629d6c8d8eb38a04218ca
> go mod tidy
> go mod vendor
updating module std in /Users/dmitshur/gotip/src
> go mod edit -go=1.16
> go get -d golang.org/x/crypto@9e8e0b390897c84cad53ebe9ed2d1d331a5394d9 golang.org/x/net@28c70e62bb1d140c3f2579fb7bb5095134d9cb1e golang.org/x/sys@35f3e6cf4a65a85bc280e5fe63faed8ac8b25721 golang.org/x/text@22f1617af38ed4cd65b3b96e02bab267e560155c golang.org/x/tools@7099162a900ae8260c5b97cfaf5f374243dfa742
> go mod tidy
> go mod vendor
updating bundles in /Users/dmitshur/gotip/src
> go generate -run=bundle std cmd
golang.org/x/net will be updated further later, after #42498 is fixed.
github.com/google/pprof and github.com/ianlancetaylor/demangle
contribute packages but are out of scope for this generated CL.
Also rename http2configureTransport in net/http to follow the internal
rename that happened in CL 264017 to fix the build.
For #36905.
Updates #41721.
Updates #42498.
Change-Id: Ifcd2e76f0406e389b6db88041ca51cd0a2115152
Reviewed-on: https://go-review.googlesource.com/c/go/+/266898
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
Trust: Dmitri Shuralyov <dmitshur@golang.org>
This is an extra variable available via 'go env', but not read from the
user's environment. It corresponds to the same string that
runtime.Version returns, assuming a program is built by the same version
of Go.
It's similar to the output of 'go version', but without the "go version"
prefix nor the "$GOOS/$GOARCH" suffix.
The main use case here is tools, which often use 'go env' to query basic
information about the installed Go tree. Its version was one missing
piece of information, which required an extra call to 'go version'
before this change.
Fixes#41116.
Change-Id: I5c9d8c2ba856c816c9f4c462ba73c907b3441445
Reviewed-on: https://go-review.googlesource.com/c/go/+/265637
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
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Reviewed-by: Russ Cox <rsc@golang.org>
Trust: Jay Conrod <jayconrod@google.com>
Trust: Daniel Martí <mvdan@mvdan.cc>
This reverts CL 265758.
Reason for revert: longtest builders were failing
Change-Id: Ic6c3f3759399e45c1625c7c57f7aa67a1d90c601
Reviewed-on: https://go-review.googlesource.com/c/go/+/268900
Reviewed-by: Jay Conrod <jayconrod@google.com>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Trust: Jay Conrod <jayconrod@google.com>
This change adds a missing partial order edge. This edge captures of
the case of `wakep` getting called in `wakeNetPoller` which may then
allocate.
Fixes#42461.
Change-Id: Ie67d868e9cd24ed3cc94381dbf8a691dd13f068d
Reviewed-on: https://go-review.googlesource.com/c/go/+/268858
Trust: Michael Knyszek <mknyszek@google.com>
Run-TryBot: Michael Knyszek <mknyszek@google.com>
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Reviewed-by: Michael Pratt <mpratt@google.com>
This change adds a missing partial order edge. The edge captures the
case where the background sweeper handles some specials (i.e. finalizers
or memory profile sampling) and is otherwise correct.
Fixes#42472.
Change-Id: Ic45f6cc1635fd3d6bc6c91ff6f64d436088cef33
Reviewed-on: https://go-review.googlesource.com/c/go/+/268857
Trust: Michael Knyszek <mknyszek@google.com>
Trust: Dan Scales <danscales@google.com>
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Reviewed-by: Dan Scales <danscales@google.com>
The previous cl (golang.org/cl/262618) copied non-overlaid cgo files
to objdir, mostly to get around the issue that otherwise cgo-generated
files were written out with the wrong names (they'd get the base path
of the overlay file containing the replaced contents, instead of the
base path of the path whose contents are being replaced). So that CL
it would copy the files to objdir with the base path of the file
being replaced to circumvent that.
This CL changes cmd/go and cmd/cgo so that instead of copying
files, it passes the actual path of the file on disk either of
the original file (if it is not overlaid) or its replacement
file (if it is) as well as a flag --path_rewrite, newly added to
cmd/cgo, that specifies the actual original file path that corresponds
to the replaced files.
Updates #39958
Change-Id: Ic4aae5ef77fe405011fcdce7f6c162488d13daa2
Reviewed-on: https://go-review.googlesource.com/c/go/+/265758
Trust: Michael Matloob <matloob@golang.org>
Run-TryBot: Michael Matloob <matloob@golang.org>
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SYNC is supposed to correspond to 'fast-BCR-serialization' which is
encoded as 'bcr 14,0'. In CL 197178 I accidentally modified the
encoding to 'bcr 7,0' which is a no-op. This CL reverses that change.
Fixes#42479.
Change-Id: I9918d93d720f5e12acc3014cde20d2d32cc87ee5
Reviewed-on: https://go-review.googlesource.com/c/go/+/268797
Run-TryBot: Michael Munday <mike.munday@ibm.com>
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https://man7.org/linux/man-pages/man2/copy_file_range.2.html#VERSIONS states:
A major rework of the kernel implementation occurred in 5.3. Areas
of the API that weren't clearly defined were clarified and the API
bounds are much more strictly checked than on earlier kernels.
Applications should target the behaviour and requirements of 5.3
kernels.
Rather than attempting to detect the file system for source and
destination files (which means two additional statfs syscalls) and skip
copy_file_range in case of known defects (e.g. CIFS -> CIFS), just
assume copy_file_range to be broken on kernels < 5.3.
Fixes#42400
Change-Id: I3a531296182c1d6e341772cc9d2be5bf83e52575
Reviewed-on: https://go-review.googlesource.com/c/go/+/268338
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
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Reviewed-by: Ian Lance Taylor <iant@golang.org>
test_race_install checks that 'go test -i -race …' does not rebuild
already installed packages, by also passing '-v' and verifying that no
package names are printed to stderr.
CL 266368 added a deprecation message for the '-i' flag that caused
the stderr output to be non-empty, although it still does not print
any package names.
Updates #41696
Change-Id: I13e10e49b7c33139be9b13f24cb393c9f58fd85d
Reviewed-on: https://go-review.googlesource.com/c/go/+/268581
Trust: Bryan C. Mills <bcmills@google.com>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
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Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
When either the server or client are lacking hardware support for
AES-GCM ciphers, indicated by the server lacking the relevant
instructions and by the client not putting AES-GCM ciphers at the top
of its preference list, reorder the preference list to de-prioritize
AES-GCM based ciphers when they are adjacent to other AEAD ciphers.
Also updates a number of recorded openssl TLS tests which previously
only specified TLS 1.2 cipher preferences (using -cipher), but not
TLS 1.3 cipher preferences (using -ciphersuites), to specify both
preferences, making these tests more predictable.
Fixes#41181.
Change-Id: Ied896c96c095481e755aaff9ff0746fb4cb9568e
Reviewed-on: https://go-review.googlesource.com/c/go/+/262857
Run-TryBot: Roland Shoemaker <roland@golang.org>
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Trust: Katie Hockman <katie@golang.org>
This reverts commit 3a81338622.
Reason for revert: Some edge cases not properly covered due to changes within runtime traceback generation since 2017, that need to be examined. This change landed very late in the Go1.16 cycle.
Change-Id: I8cf6f46ea0ef6161d878e79943e6c7cdac94bccf
Reviewed-on: https://go-review.googlesource.com/c/go/+/268577
Trust: Emmanuel Odeke <emmanuel@orijtech.com>
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Reviewed-by: Keith Randall <khr@golang.org>
This code was preserved just to do side-by-side testing while
transitioning to the Go implementation. There haven't been mismatch
issues, so drop the cgo code, which was making it hard to improve the Go
code without diverging.
Change-Id: I2a23039c31a46e88b94250aafbc98d4ea8daf22f
Reviewed-on: https://go-review.googlesource.com/c/go/+/232397
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Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This is a SHALL in RFC 7301, Section 3.2.
Also some more cleanup after NPN, which worked the other way around
(with the possibility that the client could pick a protocol the server
did not suggest).
Change-Id: I83cc43ca1b3c686dfece8315436441c077065d82
Reviewed-on: https://go-review.googlesource.com/c/go/+/239748
Run-TryBot: Filippo Valsorda <filippo@golang.org>
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This is a roll-forward of golang.org/cl/267197, which was reverted in
golang.org/cl/267357. It makes the following changes in addition to
the ones in the next paragraph: It avoids outputting trimpath
arguments for an overlay unless the overlay affects the package being
compiled (to avoid hitting windows command line argument limits), and
it fixes processing of regexps in the script test framework to treat
the first *non flag* argument to grep, stdout, and stderr as a regexp,
not just the first argument.
golang.org/cl/267917 was a roll-forward of golang.org/cl/262618, which
was reverted in golang.org/cl/267037. The only differences between
this CL and the original were the three calls to fflush from the C
files in build_overlay.txt, to guarantee that the string we were
expecting was
actually written out.
The CL requires rewriting the paths of the files passed to the cgo
tool toolchain to use the overlaid paths instead of the disk paths of
files. Because the directories of the overlaid paths don't exist in
general, the cgo tool have been updated to run in base.Cwd instead of
the package directory.
For #39958
Change-Id: I1bd96db257564bcfd95b3502aeca14d04bd28618
Reviewed-on: https://go-review.googlesource.com/c/go/+/267797
Trust: Michael Matloob <matloob@golang.org>
Trust: Bryan C. Mills <bcmills@google.com>
Run-TryBot: Michael Matloob <matloob@golang.org>
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Since we dropped SSLv3, there is only one MAC scheme, and it doesn't
need any state beyond a keyed HMAC, so we can replace the macFunction
with the hash.Hash it wraps.
Pointed out by mtp@.
Change-Id: I5545be0e6ccb34a3055fad7f6cb5f628ff748e9f
Reviewed-on: https://go-review.googlesource.com/c/go/+/251859
Run-TryBot: Filippo Valsorda <filippo@golang.org>
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Adds the (*tls.Conn).HandshakeContext method. This allows
us to pass the context provided down the call stack to
eventually reach the tls.ClientHelloInfo and
tls.CertificateRequestInfo structs.
These contexts are exposed to the user as read-only via Context()
methods.
This allows users of (*tls.Config).GetCertificate and
(*tls.Config).GetClientCertificate to use the context for
request scoped parameters and cancellation.
Replace uses of (*tls.Conn).Handshake with (*tls.Conn).HandshakeContext
where appropriate, to propagate existing contexts.
Fixes#32406
Change-Id: I33c228904fe82dcf57683b63627497d3eb841ff2
Reviewed-on: https://go-review.googlesource.com/c/go/+/246338
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Previously windows only returned the certificate-chain with the highest quality.
This change makes it so chains with a potentially lower quality
originating from other root certificates are also returned by verify.
Tests in verify_test flagged with systemLax are now allowed to pass if the system returns additional chains
Fixes#40604
Change-Id: I66edc233219f581039d47a15f2200ff627154691
Reviewed-on: https://go-review.googlesource.com/c/go/+/257257
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Trust: Tobias Klauser <tobias.klauser@gmail.com>
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build, install, and test will now print deprecation messages when the
-i flag is used. clean will continue to support -i.
For #41696
Change-Id: I956c235c487a872c5e6c1395388b4d6cd5ef817a
Reviewed-on: https://go-review.googlesource.com/c/go/+/266368
Trust: Jay Conrod <jayconrod@google.com>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
For #40276
Change-Id: I5e631a4c9ce07f23640fb56eb455457bc55072c6
Reviewed-on: https://go-review.googlesource.com/c/go/+/266360
Run-TryBot: Jay Conrod <jayconrod@google.com>
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Without HOME or FOSSIL_HOME set, this test fails for me when run with
fossil 2.12.1.
Also verify that the 'go get' command produces an executable, which
helps to verify that the files extracted by fossil are not corrupted.
Updates #42323
Change-Id: Ie6f5d2eab6a6338e997a4f85591195e5bd9a0d37
Reviewed-on: https://go-review.googlesource.com/c/go/+/267884
Trust: Bryan C. Mills <bcmills@google.com>
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'get -d' has somewhat narrower semantics and is generally faster.
We're deprecating the non-'-d' mode in CL 266360.
For #26472
Change-Id: Id4a324771f77b83e5f47043fd50b74e1c062390b
Reviewed-on: https://go-review.googlesource.com/c/go/+/267883
Trust: Bryan C. Mills <bcmills@google.com>
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Adds the following additional convenience fields to CertificateRequest:
* KeyUsage
* ExtKeyUsage
* UnknownExtKeyUsage
* IsCA
* MaxPathLen
* BasicConstraintsValid
* MaxPathLenZero
* SubjectKeyId
* PolicyIdentifier
These fields are parsed during ParseCertificateRequest and marshalled
during CreateCertificateRequest. The parsing/marshalling code is
factored out of parseCertificate and buildExtensions (which is renamed
buildCertExtensions). This has the side effect of making these methods
somewhat easier to read.
Documentation for the fields is copied from Certificate.
Example CSR created with all of these fields parsed with openssl:
$ openssl req -in ~/test-csr.pem -noout -text
Certificate Request:
Data:
Version: 0 (0x0)
Subject:
Subject Public Key Info:
Public Key Algorithm: id-ecPublicKey
Public-Key: (256 bit)
pub:
04:a4:cb:64:35:8e:dd:8c:2b:a6:f1:aa:39:d1:be:
d0:b9:95:1e:59:19:82:76:28:d3:85:1b:c6:88:62:
e1:15:33:be:26:18:80:14:fe:f4:d4:91:66:4e:a4:
a4:47:bd:53:db:f7:2e:e3:31:ce:5f:86:cb:92:59:
93:bb:d0:7f:a2
ASN1 OID: prime256v1
NIST CURVE: P-256
Attributes:
Requested Extensions:
X509v3 Key Usage: critical
Certificate Sign
X509v3 Extended Key Usage:
Any Extended Key Usage, 1.2.3
X509v3 Basic Constraints: critical
CA:TRUE, pathlen:0
X509v3 Subject Key Identifier:
01:02:03
X509v3 Certificate Policies:
Policy: 1.2.3
Signature Algorithm: ecdsa-with-SHA256
30:45:02:21:00:a7:88:e5:96:d4:ad:ae:24:26:ab:5f:15:6a:
3f:22:6d:0e:a6:ba:15:64:8d:78:34:f4:c4:7d:ac:37:b0:2a:
84:02:20:68:44:f0:8e:8a:1b:c1:68:be:14:a6:e3:83:41:fd:
2d:cc:00:aa:bc:50:f6:50:56:12:9e:a4:09:84:5c:bf:c1
Fixes#37172
Change-Id: Ife79d01e203827ef0ac3c787aa13c00d0751a1ec
Reviewed-on: https://go-review.googlesource.com/c/go/+/233163
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This test fails consistently on openbsd/mips64 - disable it until we can investigate
and resolve the issue.
Updates #42464
Change-Id: Ie640f776823137a967a12817ff18953207f558a4
Reviewed-on: https://go-review.googlesource.com/c/go/+/268438
Trust: Joel Sing <joel@sing.id.au>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
When a variable symbol is both imported (possibly through
inlining) and linkname'd, make sure its LSym is marked as
non-package for symbol indexing in the object file, so it is
resolved by name and dedup'd with the original definition.
Fixes#42401.
Change-Id: I8e90c0418c6f46a048945c5fdc06c022b77ed68d
Reviewed-on: https://go-review.googlesource.com/c/go/+/268178
Trust: Cherry Zhang <cherryyz@google.com>
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Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Jeremy Faller <jeremy@golang.org>
The go command runs commands like git and hg to download modules.
In the past, we have had problems with security bugs in version
control systems becoming security bugs in “go get”.
The original modules draft design removed use of these commands
entirely, saying:
> We want to move away from invoking version control tools such as bzr,
> fossil, git, hg, and svn to download source code. These fragment the
> ecosystem: packages developed using Bazaar or Fossil, for example, are
> effectively unavailable to users who cannot or choose not to install
> these tools. The version control tools have also been a source of
> exciting security problems. It would be good to move them outside the
> security perimeter.
The removal of these commands was not possible in the end: being able
to fetch directly from Git repos is too important, especially for
closed source. But the security exposure has not gone away.
We remain vulnerable to problems in VCS systems, especially the less
scrutinized ones.
This change adds a GOVCS setting to let users control which version
control systems are allowed by default.
It also changes the default allowed version control systems to git and hg
for public code and any version control system for private code
(import path or module path matched by the GOPRIVATE setting).
See the changes in alldocs.go for detailed documentation.
See #41730 for proposal and discussion.
Fixes#41730.
[Replay of CL 266420. See changes from Patch Set 1 for updates to fix
a few long tests.]
Change-Id: I4fe93804548956c42aea985368b4571bdb220f48
Reviewed-on: https://go-review.googlesource.com/c/go/+/267888
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This is the same change as in CL 144917, but applied to a nearby line.
For #28374.
Change-Id: I6e1693d3a14e2517d863d1052a06c1156fc1edd4
Reviewed-on: https://go-review.googlesource.com/c/go/+/263437
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Reviewed-by: Jay Conrod <jayconrod@google.com>
Extended the sorting logic to be stable even when there are two roots
with the same name and notBefore timestamp, like the GlobalSign ones.
Updates #38843
Change-Id: Ie4db0bb8b6a8b5ffbb7390b6bd527fc0c3badaca
Reviewed-on: https://go-review.googlesource.com/c/go/+/266677
Reviewed-by: Katie Hockman <katie@golang.org>
Trust: Filippo Valsorda <filippo@golang.org>
This fell through the cracks from the CL 229917 comments.
Change-Id: I22584107f1e8111f9c523f45307dd50e1e5f4b8f
Reviewed-on: https://go-review.googlesource.com/c/go/+/268339
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Fixes#42445
Change-Id: I9653ef094dba2a1ac2e3daaa98279d10df17a2a1
Reviewed-on: https://go-review.googlesource.com/c/go/+/268257
Trust: Alberto Donizetti <alb.donizetti@gmail.com>
Trust: Martin Möhrmann <moehrmann@google.com>
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Currently, the benchmark output from the testing package prints small
values with three significant figures. This means it can only
distinguish 1 part in 100, or a 1% error, which can be enough to throw
off further analysis of the output. This CL increases it to four
significant figures. For time values, at least, anything beyond four
significant figures is almost certainly noise.
Fixes#34626.
Change-Id: I3bcf305427130026276e6a4c78167989319f280c
Reviewed-on: https://go-review.googlesource.com/c/go/+/267102
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Instead of parsing the PEM files and then storing the *Certificate
values forever, still parse them to see if they're valid and pick out
some fields, but then only store the decoded pem.Block.Bytes until
that cert is first needed.
Saves about 500K of memory on my (Debian stable) machine after doing a
tls.Dial or calling x509.SystemCertPool.
A more aggressive version of this is still possible: we can not keep
the pem.Block.Bytes in memory either, and re-read them from disk when
necessary. But dealing with files disappearing and even large
multi-cert PEM files changing (with offsets sliding around) made this
conservative version attractive. It doesn't change the
slurp-roots-on-startup semantics. It just does so with less memory
retained.
Change-Id: I3aea333f4749ae3b0026042ec3ff7ac015c72204
Reviewed-on: https://go-review.googlesource.com/c/go/+/230025
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Reviewed-by: Filippo Valsorda <filippo@golang.org>
This will allow building CertPools that consume less memory. (Most
certs are never accessed. Different users/programs access different
ones, but not many.)
This CL only adds the new internal mechanism (and uses it for the
old AddCert) but does not modify any existing root pool behavior.
(That is, the default Unix roots are still all slurped into memory as
of this CL)
Change-Id: Ib3a42e4050627b5e34413c595d8ced839c7bfa14
Reviewed-on: https://go-review.googlesource.com/c/go/+/229917
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Reviewed-by: Roland Shoemaker <roland@golang.org>
Caught by "go vet" built with golang.org/cl/248192.
Change-Id: I446083533dd82ecef8db591beb7bd3d70b040d4a
Reviewed-on: https://go-review.googlesource.com/c/go/+/268099
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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Reviewed-by: Cherry Zhang <cherryyz@google.com>
On illumos (and Solaris) systems, the native "pfiles" tool provides the
best information about open file descriptors for a process:
https://illumos.org/man/1/pfiles
Use that instead of "lsof" when debugging file descriptor leaks.
Updates #42431.
Change-Id: If1250c4e6c9e8adbd076495a09fb1ce63abcc68b
Reviewed-on: https://go-review.googlesource.com/c/go/+/268019
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CL 244579 added guard clauses to prevent a faulty state that was
possible under the incorrect logic of the uniquePred loop in
addLocalInductiveFacts. That faulty state was still making the
intended optimization, but not for the correct reason.
Removing the faulty state also removed the overly permissive application
of the optimization, and therefore made these two tests fail.
We disabled the tests of this optimization in CL 244579 to allow us to
quickly apply the fix in the CL. This CL now corrects the logic of the
uniquePred loop in order to apply the optimization correctly.
The comment above the uniquePred loop says that it will follow unique
predecessors until it reaches a join point. Without updating the child
node on each iteration, it cannot follow the chain of unique
predecessors more than one step. Adding the update to the child node
on each iteration of the loop allows the logic to follow the chain of
unique predecessors until reaching a join point (because a non-unique
predecessor will signify a join point).
Updates #40502.
Change-Id: I23d8367046a2ab3ce4be969631f9ba15dc533e6c
Reviewed-on: https://go-review.googlesource.com/c/go/+/246157
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Fixes#42374
Change-Id: I0ed1eb052d79bcc65810b74bff48f1e615e1dc1e
Reviewed-on: https://go-review.googlesource.com/c/go/+/267657
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
This change also documents the need to set a Deadline before
calling Read or Write.
Fixes#31224
Change-Id: I89d6fe3ecb0a0076b4c61765f61c88056f951406
Reviewed-on: https://go-review.googlesource.com/c/go/+/266037
Trust: Katie Hockman <katie@golang.org>
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Reviewed-by: Filippo Valsorda <filippo@golang.org>
This CL makes it so that instead of printing massive stack traces during
endless recursion, which spams users and aren't useful, it now prints out
the top and bottom 50 frames. If the number of frames <= 100
(_TracebackMaxFrames), we'll just print all the frames out.
Modified gentraceback to return counts of:
* ntotalframes
* nregularframes
which allows us to get accurate counts of the various kinds of frames.
While here, also fixed a bug that resulted from CL 37222, in which we
no longer accounted for decrementing requested frame skips, and assumed
that when printing, that skip would always be 0. The fix is instead to add
precondition that we'll only print if skip <= 0, but also decrement skip
as we iterate.
Fixes#7181.
Fixes#24628.
Change-Id: Ie31ec6413fdfbe43827b254fef7d99ea26a5277f
Reviewed-on: https://go-review.googlesource.com/c/go/+/37222
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Trust: Emmanuel Odeke <emmanuel@orijtech.com>
This CL adds support for inlining type switches, including exporting
and importing them.
Type switches are represented mostly the same as expression switches.
However, if the type switch guard includes a short variable
declaration, then there are two differences: (1) there's an ONONAME
(in the OTYPESW's Left) to represent the overall pseudo declaration;
and (2) there's an ONAME (in each OCASE's Rlist) to represent the
per-case variables.
For simplicity, this CL simply writes out each variable separately
using iimport/iiexport's normal Vargen mechanism for disambiguating
identically named variables within a function. This could be improved
somewhat, but inlinable type switches are probably too uncommon to
merit the complexity.
While here, remove "case OCASE" from typecheck1. We only type check
"case" clauses as part of a "select" or "switch" statement, never as
standalone statements.
Fixes#37837
Change-Id: I8f42f6c9afdd821d6202af4a6bf1dbcbba0ef424
Reviewed-on: https://go-review.googlesource.com/c/go/+/266203
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Trust: Matthew Dempsky <mdempsky@google.com>
This commit is a copy of filepath.WalkDir adapted to use fs.FS
instead of the native OS file system. It is the last implementation
piece of the io/fs proposal.
The original io/fs proposal was to adopt filepath.Walk, but we
have since introduced the more efficient filepath.WalkDir (#42027),
so this CL adopts that more efficient option instead.
(The changes in path/filepath bring the two copies more in line
with each other. The main change is unembedding the field
in statDirEntry, so that the fs.DirEntry passed to the WalkDirFunc
for the root of the tree does not have any extra methods.)
For #41190.
Change-Id: I9359dfcc110338c0ec64535f22cafb38d0b613a6
Reviewed-on: https://go-review.googlesource.com/c/go/+/243916
Trust: Russ Cox <rsc@golang.org>
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Reviewed-by: Rob Pike <r@golang.org>
