]> Cypherpunks repositories - gostls13.git/log
gostls13.git
3 months agocrypto/internal/sysrand: skip TestNoGetrandom without cgo
Filippo Valsorda [Thu, 9 Jan 2025 23:06:43 +0000 (00:06 +0100)]
crypto/internal/sysrand: skip TestNoGetrandom without cgo

crypto/internal/sysrand/internal/seccomp needs cgo to disable getrandom.
Before this change, "CGO_ENABLED=0 go test crypto/internal/sysrand"
would fail on Linux.

Change-Id: I6a6a465685b480c846e5479da0659e90ab7f3a65
Reviewed-on: https://go-review.googlesource.com/c/go/+/642737
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Roland Shoemaker <roland@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
3 months agointernal/coverage: fix bug in text-format coverage output with multiple packages
Than McIntosh [Tue, 12 Nov 2024 17:32:39 +0000 (12:32 -0500)]
internal/coverage: fix bug in text-format coverage output with multiple packages

In ProcessCoverTestDir pass the selected set of packages to
EmitTextual in addition to EmitPercent, so that when we have runs with
multiple packages selected but without -coverpkg, text format output
for package P was incorrectly including output for P's covered
dependencies. This is in effect an extension of the fix for issue
65570.

Includes a cmd/go script test to verify correct behavior; ideally it
would be nice to locate this test in .../internal/coverage somewhere
but at the moment script tests are only supported for
cmd/{go,compile,link}.

Updates #65570.
Fixes #70244.

Change-Id: Ia0bb10155353aa0f2ead46e81a2aaa71bde4ef82
Reviewed-on: https://go-review.googlesource.com/c/go/+/627316
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Auto-Submit: Than McIntosh <thanm@golang.org>
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3 months agointernal/godebug: check error from os.ReadFile in test
Ian Lance Taylor [Fri, 24 Jan 2025 01:37:29 +0000 (17:37 -0800)]
internal/godebug: check error from os.ReadFile in test

Change-Id: I4770443c8eaa12add2e04cbf9d18ebfbbd851162
Reviewed-on: https://go-review.googlesource.com/c/go/+/643259
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Commit-Queue: Ian Lance Taylor <iant@google.com>
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3 months agoruntime: mapiter linkname compatibility layer
Michael Pratt [Fri, 24 Jan 2025 21:29:13 +0000 (16:29 -0500)]
runtime: mapiter linkname compatibility layer

This CL reintroduces the various mapiter* linkname functions with a
compatibility layer that is careful to maintain compatibility with users
of the linkname.

The wrappers are straightforward. Callers of these APIs get an extra
layer of indirection, with their hiter containing a pointer to the real
maps.Iter. These users will take a minor performance hit from the extra
allocation, but this approach should have good long-term
maintainability.

Fixes #71408.

Change-Id: I6a6a636c7574bbd670ff5243dfeb63dfba6dc611
Reviewed-on: https://go-review.googlesource.com/c/go/+/643899
Auto-Submit: Michael Pratt <mpratt@google.com>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>

3 months agoruntime: rename mapiterinit and mapiternext
Michael Pratt [Fri, 24 Jan 2025 18:34:26 +0000 (13:34 -0500)]
runtime: rename mapiterinit and mapiternext

mapiterinit allows external linkname. These users must allocate their
own iter struct for initialization by mapiterinit. Since the type is
unexported, they also must define the struct themselves. As a result,
they of course define the struct matching the old hiter definition (in
map_noswiss.go).

The old definition is smaller on 32-bit platforms. On those platforms,
mapiternext will clobber memory outside of the caller's allocation.

On all platforms, the pointer layout between the old hiter and new
maps.Iter does not match. Thus the GC may miss pointers and free
reachable objects early, or it may see non-pointers that look like heap
pointers and throw due to invalid references to free objects.

To avoid these issues, we must keep mapiterinit and mapiternext with the
old hiter definition. The most straightforward way to do this is to use
mapiterinit and mapiternext as a compatibility layer between the old and
new iter types.

The first step to that is to move normal map use off of these functions,
which is what this CL does.

Introduce new mapIterStart and mapIterNext functions that replace the
former functions everywhere in the toolchain. These have the same
behavior as the old functions.

This CL temporarily makes the old functions throw to ensure we don't
have hidden dependencies on them. We cannot remove them entirely because
GOEXPERIMENT=noswissmap still uses the old names, and internal/goobj
requires all builtins to exist regardless of GOEXPERIMENT. The next CL
will introduce the compatibility layer.

I want to avoid using linkname between runtime and reflect, as that
would also allow external linknames. So mapIterStart and mapIterNext are
duplicated in reflect, which can be done trivially, as it imports
internal/runtime/maps.

For #71408.

Change-Id: I6a6a636c6d4bd1392618c67ca648d3f061afe669
Reviewed-on: https://go-review.googlesource.com/c/go/+/643898
Auto-Submit: Michael Pratt <mpratt@google.com>
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3 months agointernal/goexperiment: update location of baseline experiment in comment
Ian Lance Taylor [Tue, 28 Jan 2025 04:41:55 +0000 (20:41 -0800)]
internal/goexperiment: update location of baseline experiment in comment

It moved in CL 310731.

Change-Id: I97340848b55e327d3b25949ec3850aec33448bbe
Reviewed-on: https://go-review.googlesource.com/c/go/+/644955
Reviewed-by: Carlos Amedee <carlos@golang.org>
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3 months agoarchive/zip, archive/tar: writer appends slash to directory names
yincong [Wed, 22 Jan 2025 02:23:08 +0000 (02:23 +0000)]
archive/zip, archive/tar: writer appends slash to directory names

Fixes #71235

Change-Id: I62aebb9d421db0e4b57ad5cae25c70f47aa5f8f9
GitHub-Last-Rev: 6e0fba07dd128e20e32a3a6258edf80ee91d4690
GitHub-Pull-Request: golang/go#71239
Reviewed-on: https://go-review.googlesource.com/c/go/+/642375
Reviewed-by: Jonathan Amsterdam <jba@google.com>
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3 months agostrconv: adjust comment so that gofmt doesn't mung it
Ian Lance Taylor [Mon, 13 Jan 2025 18:28:19 +0000 (10:28 -0800)]
strconv: adjust comment so that gofmt doesn't mung it

Change-Id: I7fe5c6a0521d3c597eae0f3568942df1db9370b1
Reviewed-on: https://go-review.googlesource.com/c/go/+/642497
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
3 months agocrypto/internal/fips140/rsa: avoid CAST unsetting the service indicator
Filippo Valsorda [Mon, 27 Jan 2025 13:21:43 +0000 (14:21 +0100)]
crypto/internal/fips140/rsa: avoid CAST unsetting the service indicator

Without fipsApproved set, when the CAST runs it sets the service
indicator to false for the whole span.

This is a very late Go 1.24 change, but it is necessary for the frozen
FIPS module, and doesn't impact anything else than the FIPS status
indicator value.

Change-Id: I6a6a46567818135158c3c252b5480431a190572b
Reviewed-on: https://go-review.googlesource.com/c/go/+/644636
Auto-Submit: Roland Shoemaker <roland@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
3 months agocrypto/internal/fips140/aes: set FIPS 140 service indicator for CTR and CBC
Filippo Valsorda [Mon, 27 Jan 2025 13:18:02 +0000 (14:18 +0100)]
crypto/internal/fips140/aes: set FIPS 140 service indicator for CTR and CBC

This is a very late Go 1.24 change, but it is necessary for the frozen
FIPS module, and doesn't impact anything else than the FIPS status
indicator value.

Change-Id: I6a6a4656f1ac94ac46d631c90a206ac8b6ddcf4c
Reviewed-on: https://go-review.googlesource.com/c/go/+/644635
Auto-Submit: Roland Shoemaker <roland@golang.org>
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
Reviewed-by: Roland Shoemaker <roland@golang.org>
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Reviewed-by: Carlos Amedee <carlos@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>

3 months agocrypto/ecdsa: avoid needless ScalarBaseMult in s390x
Filippo Valsorda [Mon, 27 Jan 2025 18:56:42 +0000 (19:56 +0100)]
crypto/ecdsa: avoid needless ScalarBaseMult in s390x

We are running the (slow on s390x) ScalarBaseMult and then discarding
the point because we are reusing randomPoint.

Copied the function 1:1 removing the point computation.

Change-Id: I6a6a46561633ab3bbbaef804481f6c5da15fe2fa
Reviewed-on: https://go-review.googlesource.com/c/go/+/644775
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Auto-Submit: Roland Shoemaker <roland@golang.org>
Run-TryBot: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>

3 months agocmd/go: do not call base.fatal for an unset HOME for GOAUTH=netrc
Sam Thanawalla [Thu, 23 Jan 2025 19:35:34 +0000 (19:35 +0000)]
cmd/go: do not call base.fatal for an unset HOME for GOAUTH=netrc

This CL silences errors caused by GOAUTH=netrc and HOME being unset.
Instead, we log the error if the -x flag is set.

Cq-Include-Trybots: luci.golang.try:gotip-linux-amd64-longtest,gotip-windows-amd64-longtest
Change-Id: Ibd323769f3562c169ebf559e060e9afbb63047bc
Reviewed-on: https://go-review.googlesource.com/c/go/+/643917
Reviewed-by: Michael Matloob <matloob@golang.org>
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3 months agoRevert "runtime: Check LSE support on ARM64 at runtime init"
Cherry Mui [Mon, 27 Jan 2025 17:11:36 +0000 (09:11 -0800)]
Revert "runtime: Check LSE support on ARM64 at runtime init"

This reverts CL 610195.

Reason for revert: SIGILL on macOS. See issue #71411.

Updates #69124, #60905.
Fixes #71411.

Change-Id: Ie0624e516dfb32fb13563327bcd7f557e5cba940
Reviewed-on: https://go-review.googlesource.com/c/go/+/644695
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Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com>
3 months agocrypto/internal/boring: keep ECDH public key alive during cgo calls
Roland Shoemaker [Fri, 24 Jan 2025 20:21:36 +0000 (12:21 -0800)]
crypto/internal/boring: keep ECDH public key alive during cgo calls

This prevents a possible use-after-free.

Change-Id: I02488206660d38cac5ebf2f11009907ae8f22157
Reviewed-on: https://go-review.googlesource.com/c/go/+/644119
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Reviewed-by: David Chase <drchase@google.com>
3 months agogo/types: avoid importer.Default
Alan Donovan [Wed, 22 Jan 2025 15:43:44 +0000 (10:43 -0500)]
go/types: avoid importer.Default

It uses a throwaway FileSet, so all position info is
wrong, and potentially misleading.

(Various other helpers in go/types testing also use a
throwaway FileSet, and should really accept it as a parameter.)

Fixes #71272

Change-Id: I9d899b987837b4041a299aad5ec266cb4f5d125c
Reviewed-on: https://go-review.googlesource.com/c/go/+/643777
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3 months agoruntime: fix the equality check in AddCleanup
Carlos Amedee [Tue, 21 Jan 2025 16:52:41 +0000 (11:52 -0500)]
runtime: fix the equality check in AddCleanup

This fixes the check that ensures that arg is not equal to ptr in
AddCleanup. This also changes any use of throw to panic in AddCleanup.

Fixes #71316

Change-Id: Ie5a3e0163b254dff44b7fefedf75207ba587b771
Reviewed-on: https://go-review.googlesource.com/c/go/+/643655
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>

3 months agoos: force a goroutine to be scheduled on WASM
Carlos Amedee [Fri, 3 Jan 2025 21:53:32 +0000 (16:53 -0500)]
os: force a goroutine to be scheduled on WASM

The TestRootConcurrentClose test can fail when GOARCH=WASM because of
goroutine starvation. The spawned goroutine will sometimes run in a
loop and never have the main goroutine be scheduled. This causes the
test to fail due to a timeout. This change forces the goroutine to be
scheduled with each iteration of the loop when  GOARCH=WASM.

For #71134
Fixes #71117

Change-Id: I4fb68907c9ac3b33bd0572d5e5db2974a3379191
Reviewed-on: https://go-review.googlesource.com/c/go/+/640195
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Auto-Submit: Carlos Amedee <carlos@golang.org>

3 months agocrypto/internal/fips140/nistec: make p256NegCond constant time on ppc64le
Roland Shoemaker [Wed, 22 Jan 2025 00:03:14 +0000 (16:03 -0800)]
crypto/internal/fips140/nistec: make p256NegCond constant time on ppc64le

Remove the branching instruction from p256NegCond which made it variable
time. The technique used matches that used in p256MovCond.

Fixes #71383
Fixes CVE-2025-22866

Change-Id: Ibc2a46814d856cbbdaf6cc0c5a415ed5d42ca793
Reviewed-on: https://go-review.googlesource.com/c/go/+/643735
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Paul Murphy <murp@ibm.com>
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3 months agogo/importer: document limitations of this API
Alan Donovan [Wed, 22 Jan 2025 15:24:11 +0000 (10:24 -0500)]
go/importer: document limitations of this API

Arguably it should be deprecated, but that's a process.

Updates #71272

Change-Id: I69de1f9709c45dfea0fe67d96a7bd15d3df4e2f1
Reviewed-on: https://go-review.googlesource.com/c/go/+/643795
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3 months agonet/http: update bundled golang.org/x/net/http2 [generated]
Dmitri Shuralyov [Tue, 21 Jan 2025 19:41:15 +0000 (14:41 -0500)]
net/http: update bundled golang.org/x/net/http2 [generated]

Pull in x/net CL 642606 and CL 643256 and regenerate h2_bundle.go:

http2: disable extended CONNECT by default
http2: encode :protocol pseudo-header before regular headers

For #36905.
Fixes #70728.
Fixes #71128.

[git-generate]
go install golang.org/x/build/cmd/updatestd@latest
go install golang.org/x/tools/cmd/bundle@latest
updatestd -goroot=$(pwd) -branch=internal-branch.go1.24-vendor

Change-Id: Id853cb96f8fc410956666f5c3ab4c5889c703503
Reviewed-on: https://go-review.googlesource.com/c/go/+/642398
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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3 months agotesting: fix reference to B.N in docstring
Kir Kolyshkin [Tue, 21 Jan 2025 01:38:26 +0000 (17:38 -0800)]
testing: fix reference to B.N in docstring

Currently, a documentation reference to a struct member (such as [B.N])
does not result in it being rendered as a link, and thus the square
brackets remain in the rendered documentation which is mildly confusing.

The issue can be seen at
https://pkg.go.dev/testing@master#hdr-b_N_style_benchmarks

Remove the square brackets to fix.

Change-Id: Id374fd2085bd511018220c5d663650f89672302e
Reviewed-on: https://go-review.googlesource.com/c/go/+/643496
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
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3 months agoruntime: delete out of date comment
Bill Morgan [Mon, 20 Jan 2025 04:11:23 +0000 (04:11 +0000)]
runtime: delete out of date comment

Fixes #71328

Change-Id: I5827255bf1f53b8fc4a84fa1accb4089f73d5e8a
GitHub-Last-Rev: 26f4eab182130c709be269491049fade3327ddd3
GitHub-Pull-Request: golang/go#71337
Reviewed-on: https://go-review.googlesource.com/c/go/+/643456
Reviewed-by: Jorropo <jorropo.pgm@gmail.com>
Reviewed-by: Keith Randall <khr@google.com>
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Reviewed-by: Keith Randall <khr@golang.org>
3 months agointernal/coverage: refactor EmitTextual in preparation for bugfix master
Than McIntosh [Tue, 12 Nov 2024 17:12:44 +0000 (12:12 -0500)]
internal/coverage: refactor EmitTextual in preparation for bugfix

Refactor cformat.EmitTextual to accept a package filter (list of
packages to report). This is a no-op in terms of exposed coverage
functionality, but we will need this feature in a subsequent patch.

Updates #70244.

Change-Id: I1e6bcbfb5e68187d4d69d54b667e97bc1fdfa2d4
Reviewed-on: https://go-review.googlesource.com/c/go/+/627315
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
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3 months agogo/types, types2: ensure deterministic output when reporting an init cycle
Wingrez [Fri, 17 Jan 2025 00:38:59 +0000 (00:38 +0000)]
go/types, types2: ensure deterministic output when reporting an init cycle

Fixes #71254

Change-Id: Ie3bad281403c8ff6215e03d92760b9a378714cee
GitHub-Last-Rev: 9b804a7842421dca6a97c57ce18523b593b0817d
GitHub-Pull-Request: golang/go#71264
Reviewed-on: https://go-review.googlesource.com/c/go/+/642396
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3 months agogo/types, types2: remove superfluous assertion (fix build)
Robert Griesemer [Fri, 17 Jan 2025 00:08:26 +0000 (16:08 -0800)]
go/types, types2: remove superfluous assertion (fix build)

Remove an assertion that was overly restrictive and hard to get
correct under all circumstances (i.e., in the presence of incorrect)
code. This matches the code for *Named types in that specific switch.

Fixes #71284.

Change-Id: Ifccf8b73dc70cac9cb1c8b24946d16851d511454
Reviewed-on: https://go-review.googlesource.com/c/go/+/643255
Reviewed-by: Robert Findley <rfindley@google.com>
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3 months agolib/time: update to 2025a/2025a
Tobias Klauser [Thu, 16 Jan 2025 19:42:39 +0000 (20:42 +0100)]
lib/time: update to 2025a/2025a

Commit generated by update.bash.

For #22487.

Change-Id: Ie5002725b9add75fd22b29ea3a7addbe0151b25c
Reviewed-on: https://go-review.googlesource.com/c/go/+/642020
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3 months agocmd/internal/obj/wasm, runtime: detect wasmexport call before runtime initialization
Cherry Mui [Thu, 16 Jan 2025 18:56:15 +0000 (13:56 -0500)]
cmd/internal/obj/wasm, runtime: detect wasmexport call before runtime initialization

If a wasmexport function is called from the host before
initializing the Go Wasm module, currently it will likely fail
with a bounds error, because the uninitialized SP is 0, and any
SP decrement will make it out of bounds.

As at least some Wasm runtime doesn't call _initialize by default,
This error can be common. And the bounds error looks confusing to
the users. Therefore, we detect this case and emit a clearer error.

Fixes #71240.
Updates #65199.

Change-Id: I107095f08c76cdceb7781ab0304218eab7029ab6
Reviewed-on: https://go-review.googlesource.com/c/go/+/643115
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3 months agocrypto/x509: avoid panic when parsing partial PKCS#1 private keys
Filippo Valsorda [Thu, 9 Jan 2025 15:03:08 +0000 (16:03 +0100)]
crypto/x509: avoid panic when parsing partial PKCS#1 private keys

These keys are off-spec, but have historically been accepted by
ParsePKCS1PrivateKey.

Thanks to Philippe Antoine (Catena cyber) for reporting this issue.

Fixes #71216
Fixes CVE-2025-22865

Change-Id: I6a6a46564156fa32e29e8d6acbec3fbac47c7352
Reviewed-on: https://go-internal-review.googlesource.com/c/go/+/1820
Reviewed-by: Tatiana Bradley <tatianabradley@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Commit-Queue: Roland Shoemaker <bracewell@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/643098
Auto-Submit: Michael Knyszek <mknyszek@google.com>
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3 months agocmd/go: restore netrc preferences for GOAUTH and fix domain lookup
Sam Thanawalla [Wed, 8 Jan 2025 20:38:32 +0000 (20:38 +0000)]
cmd/go: restore netrc preferences for GOAUTH and fix domain lookup

Store netrc lines into the credential map backward so that earlier lines
take priority over later lines. This matches Go 1.23 netrc lookup which
stopped at the first match it found.
Additionally, this fixes a security issue related to domain parsing
which could have allowed servers to read credentials belonging to other
servers. The fix was to switch from using path.Dir(currentPrefix) to
strings.Cut(currentPrefix, "/")

Thanks to Juho Forsén of Mattermost for reporting this issue.

Fixes #71249
Fixes CVE-2024-45340

Change-Id: I175a00d6d7f4d31c9e4d79b7cf1c2a0ad35b2781
Reviewed-on: https://go-internal-review.googlesource.com/c/go/+/1781
Reviewed-by: Tatiana Bradley <tatianabradley@google.com>
Commit-Queue: Roland Shoemaker <bracewell@google.com>
Reviewed-by: Roland Shoemaker <bracewell@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/643097
Reviewed-by: Michael Pratt <mpratt@google.com>
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3 months agocrypto/x509: properly check for IPv6 hosts in URIs
Roland Shoemaker [Mon, 9 Dec 2024 19:31:22 +0000 (11:31 -0800)]
crypto/x509: properly check for IPv6 hosts in URIs

When checking URI constraints, use netip.ParseAddr, which understands
zones, unlike net.ParseIP which chokes on them. This prevents zone IDs
from mistakenly satisfying URI constraints.

Thanks to Juho Forsén of Mattermost for reporting this issue.

Fixes #71156
Fixes CVE-2024-45341

Change-Id: Iecac2529f3605382d257996e0fb6d6983547e400
Reviewed-on: https://go-internal-review.googlesource.com/c/go/+/1700
Reviewed-by: Tatiana Bradley <tatianabradley@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/643096
Reviewed-by: Michael Pratt <mpratt@google.com>
Auto-Submit: Michael Knyszek <mknyszek@google.com>
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3 months agonet/http: persist header stripping across repeated redirects
Damien Neil [Fri, 22 Nov 2024 20:34:11 +0000 (12:34 -0800)]
net/http: persist header stripping across repeated redirects

When an HTTP redirect changes the host of a request, we drop
sensitive headers such as Authorization from the redirected request.
Fix a bug where a chain of redirects could result in sensitive
headers being sent to the wrong host:

  1. request to a.tld with Authorization header
  2. a.tld redirects to b.tld
  3. request to b.tld with no Authorization header
  4. b.tld redirects to b.tld
  3. request to b.tld with Authorization header restored

Thanks to Kyle Seely for reporting this issue.

For #70530
Fixes CVE-2024-45336

Change-Id: Ia58a2e10d33d6b0cc7220935e771450e5c34de72
Reviewed-on: https://go-internal-review.googlesource.com/c/go/+/1641
Reviewed-by: Roland Shoemaker <bracewell@google.com>
Reviewed-by: Tatiana Bradley <tatianabradley@google.com>
Commit-Queue: Roland Shoemaker <bracewell@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/643095
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3 months agoencoding/json: cleanup tests
Joe Tsai [Tue, 14 Jan 2025 20:43:27 +0000 (12:43 -0800)]
encoding/json: cleanup tests

Perform minor cleanups in tests to improve printout of diffs
and/or follow modern coding style.

This reduces the amount of diffs between v1 and the v2 prototype.

Change-Id: I019bb9642e2135f2fa3eac6abfa6df91c397aa82
Reviewed-on: https://go-review.googlesource.com/c/go/+/642257
Reviewed-by: Damien Neil <dneil@google.com>
Auto-Submit: Joseph Tsai <joetsai@digital-static.net>
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3 months agocmd/go/internal/modfetch: do not trust server to send all tags in shallow fetch
Russ Cox [Tue, 14 Jan 2025 04:00:14 +0000 (23:00 -0500)]
cmd/go/internal/modfetch: do not trust server to send all tags in shallow fetch

Newer git versions (at least git 2.47.1) do not send all the matching tags
for a shallow fetch of a specific hash anymore. The go command assumes
that git servers do this. Since that assumption is broken, use the local
copy of the remote refs list to augment the tags sent by the server.
This makes the cmd/go/internal/modfetch tests pass again with newer git.

Fixes #71261.

Change-Id: I9fd4f3fd7beeb68a522938599f8f3acd887d0b26
Reviewed-on: https://go-review.googlesource.com/c/go/+/642437
Reviewed-by: Michael Matloob <matloob@golang.org>
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3 months agocmd/api: report error in test instead of crashing
Russ Cox [Tue, 14 Jan 2025 13:22:08 +0000 (08:22 -0500)]
cmd/api: report error in test instead of crashing

https://ci.chromium.org/ui/inv/build-8725798219051312433/test-results?sortby=&groupby=
shows a mysterious failure with this stack:

=== RUN   BenchmarkAll
BenchmarkAll
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x7c497f]

goroutine 20 gp=0xc000004000 m=7 mp=0xc000182808 [running]:
panic({0x81c5e0?, 0xabc6b0?})
/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:806 +0x168 fp=0xc00c7ffce0 sp=0xc00c7ffc30 pc=0x4ad4c8
runtime.panicmem(...)
/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:262
runtime.sigpanic()
/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/signal_unix.go:925 +0x359 fp=0xc00c7ffd40 sp=0xc00c7ffce0 pc=0x4af6d9
cmd/api.(*Walker).export(0xc000034100, 0x0)
/home/swarming/.swarming/w/ir/x/w/goroot/src/cmd/api/main_test.go:193 +0x3f fp=0xc00c7ffe08 sp=0xc00c7ffd40 pc=0x7c497f
cmd/api.BenchmarkAll(0xc000214288)
/home/swarming/.swarming/w/ir/x/w/goroot/src/cmd/api/api_test.go:205 +0x207 fp=0xc00c7ffeb0 sp=0xc00c7ffe08 pc=0x7c1c07
testing.(*B).runN(0xc000214288, 0x1)
/home/swarming/.swarming/w/ir/x/w/goroot/src/testing/benchmark.go:202 +0x291 fp=0xc00c7fff78 sp=0xc00c7ffeb0 pc=0x57e611
testing.(*B).run1.func1()
/home/swarming/.swarming/w/ir/x/w/goroot/src/testing/benchmark.go:224 +0x7c fp=0xc00c7fffe0 sp=0xc00c7fff78 pc=0x57f11c
runtime.goexit({})
/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:1700 +0x1 fp=0xc00c7fffe8 sp=0xc00c7fffe0 pc=0x4b4a61
created by testing.(*B).run1 in goroutine 1
/home/swarming/.swarming/w/ir/x/w/goroot/src/testing/benchmark.go:217 +0x173

So import_ must have returned an error, making pkg nil. Show that error.
Also do the same at the other calls to import_.

Change-Id: Ie782571c4bda3334a86b303f61969cf1cc7d3c32
Reviewed-on: https://go-review.googlesource.com/c/go/+/642438
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3 months agointernal/runtime/maps: re-enable some tests
Keith Randall [Tue, 14 Jan 2025 00:21:29 +0000 (16:21 -0800)]
internal/runtime/maps: re-enable some tests

Re-enable tests for stack-allocated maps and fast map accessors.
Those are implemented now.

Update #54766

Change-Id: I8c019702bd9fb077b2fe3f7c78e8e9e10d2263a6
Reviewed-on: https://go-review.googlesource.com/c/go/+/642376
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3 months agotesting/fstest: fix function name and comment
cuishuang [Mon, 13 Jan 2025 17:11:22 +0000 (01:11 +0800)]
testing/fstest: fix function name and comment

Change-Id: I17bc68a2e3a96d0dc3d9ddcad40149df37fc4839
Reviewed-on: https://go-review.googlesource.com/c/go/+/642198
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
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3 months agocmd/dist: ignore packages with no Go files in BenchmarkAll
Ian Lance Taylor [Tue, 14 Jan 2025 14:58:32 +0000 (06:58 -0800)]
cmd/dist: ignore packages with no Go files in BenchmarkAll

This case recently started happening on the builders.
The synctest experiment was recently enabled for some targets (CL 642422).
This caused the list of standard packages to include testing/synctest.
However, BenchmarkAll tests for all configurations;
some did not include testing/synctest. That caused the test to crash.

Change-Id: Icade10af147c2e2bcbac25bf744919083db3e70f
Reviewed-on: https://go-review.googlesource.com/c/go/+/642397
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3 months agocmd/go: check go version when parsing go.mod fails
Sean Liao [Sat, 28 Dec 2024 16:19:23 +0000 (11:19 -0500)]
cmd/go: check go version when parsing go.mod fails

Fixes #70979

Change-Id: I6597fe178eed34702eea6cba4eec5174c9203458
Reviewed-on: https://go-review.googlesource.com/c/go/+/639115
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3 months agosyscall/js: adjust comments to that gofmt does not change them
Ian Lance Taylor [Mon, 13 Jan 2025 17:56:13 +0000 (09:56 -0800)]
syscall/js: adjust comments to that gofmt does not change them

Change-Id: Ic410375987c0f376d0a975e5a6284de10f08b741
Reviewed-on: https://go-review.googlesource.com/c/go/+/642495
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3 months agogo/types, types2: don't panic when instantiating generic alias with wrong number...
Robert Griesemer [Thu, 9 Jan 2025 23:01:03 +0000 (15:01 -0800)]
go/types, types2: don't panic when instantiating generic alias with wrong number of type arguments

The existing code assumed the type argument count check in
Checker.instance couldn't fail for generic alias types
(matching the code for generic signatures), but it actually
can.

Adjust the code accordingly and document that the result of
Checker.instance may be invalid.

Review all call sites of Checker.instance and make sure we
handle the failure case, or document the code accordingly
(in the case of generic signatures).

When reporting an type argument count error, use the alias
name rather than the alias string representation to match
the error we get for a non-alias type.

While at it, update the manual.go template for ease of use.

Fixes #71198.

Change-Id: I6d19ec6418440e9b49574a2d7dd9825e0af6c2fc
Reviewed-on: https://go-review.googlesource.com/c/go/+/641857
Reviewed-by: Robert Findley <rfindley@google.com>
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3 months agospec: fix grammar issue
Oleksandr Redko [Fri, 10 Jan 2025 15:00:24 +0000 (17:00 +0200)]
spec: fix grammar issue

Change-Id: If4d3b3965762c8979d304a82493c9eb1068ee13c
Reviewed-on: https://go-review.googlesource.com/c/go/+/642037
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3 months agoencoding/json: add cases to TestUnmarshal for fatal syntactic errors
Joe Tsai [Sat, 11 Jan 2025 20:48:33 +0000 (12:48 -0800)]
encoding/json: add cases to TestUnmarshal for fatal syntactic errors

The presence of a syntax error in the input immediately unmarshaling
before unmarshaling into the underlying value.
Otherwise, semantic errors are generally lazily reported and
allow unmarshaling to continue on.

Change-Id: Icf1cfc684e415312d9c8bf739c396ede15299d7d
Reviewed-on: https://go-review.googlesource.com/c/go/+/642295
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3 months agoencoding/json: always check resulting Go value for unmarshaling
Joe Tsai [Fri, 10 Jan 2025 19:49:07 +0000 (11:49 -0800)]
encoding/json: always check resulting Go value for unmarshaling

Even if an error occurs during unmarshal, check the resulting Go value.
The documented API specifies no guarantees on how much of a Go value
will be populated when an error occurs and the "json" package
is technically not bounded by the Go compatibility agreement
to ensure this behavior never changes.

However, there is still value in running checks for
what exactly what is partially mutated in the event of an error
even if this is not guaranteed behavior.

Change-Id: I6e923a31f77768a14c4adfb0d37dbeee5807a4a2
Reviewed-on: https://go-review.googlesource.com/c/go/+/642275
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3 months agocmd/compile: fix write barrier coalescing
Keith Randall [Sat, 11 Jan 2025 01:33:26 +0000 (17:33 -0800)]
cmd/compile: fix write barrier coalescing

We can't coalesce a non-WB store with a subsequent Move, as the
result of the store might be the source of the move.

There's a simple codegen test. Not sure how we might do a real test,
as all the repro's I've come up with are very expensive and unreliable.

Fixes #71228

Change-Id: If18bf181a266b9b90964e2591cd2e61a7168371c
Reviewed-on: https://go-review.googlesource.com/c/go/+/642197
Reviewed-by: Keith Randall <khr@google.com>
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3 months agocrypto/internal/fips140test: add hmac DRBG ACVP tests
Daniel McCarney [Thu, 2 Jan 2025 18:27:09 +0000 (13:27 -0500)]
crypto/internal/fips140test: add hmac DRBG ACVP tests

Adds ACVP test coverage for the hmacDRBG algorithm based on the NIST
spec:
  https://pages.nist.gov/ACVP/draft-vassilev-acvp-drbg.html#section-7.2

The HMAC DRBG algorithm in our fips module is a minimal implementation
tailored for use for generating ECDSA nonces and so lives in
crypto/internal/fips140/ecdsa.

In order to be testable by crypto/internal/fips140test this changeset
exports a ecdsa.TestingOnlyNewDrbg() constructor to support the ACVP use-case.
All FIPS-compatible SHA2 and SHA3 digests are tested.

The ACVP capability registration is customized to match the limited
capabilities of our ecdsa-focused impl. Most notably:

  * reseedImplemented is false - we expect this impl to be invoked
    only once or twice per instantiation and do not support explicit
    reseeding.
  * predResistanceEnabled is false - this requires reseeding.
  * Per mode:
    * derFuncEnabled is always false - this is only used by ctrDRBG.
    * additionalInputLen is 0 for all modes - this is only used with
      preResistanceEnabled.

The other capability values are chosen based on Table 4:
  https://pages.nist.gov/ACVP/draft-vassilev-acvp-drbg.html#section-7.4

Updates #69642

Change-Id: Ia58979d691f912e2ed739a05efb719f580fbbf89
Reviewed-on: https://go-review.googlesource.com/c/go/+/639775
Reviewed-by: Michael Pratt <mpratt@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
3 months agocrypto/internal/fips140test: add ML-KEM ACVP tests
Daniel McCarney [Wed, 18 Dec 2024 18:26:20 +0000 (13:26 -0500)]
crypto/internal/fips140test: add ML-KEM ACVP tests

Adds ACVP test coverage for ML-KEM based on the NIST spec:

  https://pages.nist.gov/ACVP/draft-celi-acvp-ml-kem.html

Notably we need to update the BoringSSL module version because the
acvptool was only recently updated to support testing ML-KEM.

A few non-test updates are also required for the
crypto/internal/fips140/mlkem package:

* For keyGen tests a new ExpandedBytes768() function is added that
  converts a DecapsualtionKey768 struct into the expanded NIST
  serialization. The existing Bytes() function returns the
  key's seed, while ACVP testing requires the more cumbersome format.
* For decap tests a new TestingOnlyNewDecapsulationKey768()
  constructor is added to produce a DecapsulationKey768 struct from the
  expanded FIPS 203 serialization provided by the ACVP test vector. The
  pre-existing NewDecapsulationKey768() function expects a seed as
  input.

The generate1024.go helper is updated to translate the above changes to
the generated mlkem1024.go implementation.

Both of these new functions are exclusively for ACVP usage and so not
present in the public mlkem API. End users should always prefer to work
with seeds.

Updates #69642

Change-Id: I79784f8a8db00a2ddefdcece4b8de50b033c8f69
Reviewed-on: https://go-review.googlesource.com/c/go/+/637439
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Reviewed-by: David Chase <drchase@google.com>
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3 months agocrypto/rsa: fix GenerateKey flakes for toy-sized keys
Filippo Valsorda [Thu, 9 Jan 2025 14:12:49 +0000 (15:12 +0100)]
crypto/rsa: fix GenerateKey flakes for toy-sized keys

Could have fixed this some other ways, including inside the FIPS 140-3
module, but this is small and self-contained, clearly not affecting
production non-toy key sizes. This late in the freeze, a surgical fix
felt best.

Fixes #71185

Change-Id: I6a6a465641357c9d6b076c8a520b221be4210ed5
Reviewed-on: https://go-review.googlesource.com/c/go/+/641755
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Reviewed-by: Roland Shoemaker <roland@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
3 months agoruntime/pprof: hide map runtime frames from heap profiles
Michael Pratt [Thu, 9 Jan 2025 17:22:53 +0000 (12:22 -0500)]
runtime/pprof: hide map runtime frames from heap profiles

Heap profiles hide "runtime" frames like runtime.mapassign. This broke
in 1.24 because the map implementation moved to internal/runtime/maps,
and runtime/pprof only considered literal "runtime." when looking for
runtime frames.

It would be nice to use cmd/internal/objabi.PkgSpecial to find runtime
packages, but that is hidden away in cmd.

Fixes #71174.

Change-Id: I6a6a636cb42aa17539e47da16854bd3fd8cb1bfe
Reviewed-on: https://go-review.googlesource.com/c/go/+/641775
Auto-Submit: Michael Pratt <mpratt@google.com>
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Reviewed-by: Michael Knyszek <mknyszek@google.com>
3 months agocmd/go: clarify GODEBUG in go help environment
Sean Liao [Thu, 28 Nov 2024 16:10:52 +0000 (16:10 +0000)]
cmd/go: clarify GODEBUG in go help environment

Fixes #37004
Fixes #50444

Change-Id: I7dd5a8c9bd0a2122ff38508cf509369d6d8ad599
Reviewed-on: https://go-review.googlesource.com/c/go/+/632177
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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Reviewed-by: Michael Matloob <matloob@golang.org>
3 months agocmd/go/internal/mmap: reslice to file size on Windows
Michael Matloob [Fri, 3 Jan 2025 20:06:42 +0000 (15:06 -0500)]
cmd/go/internal/mmap: reslice to file size on Windows

The Mmap function returns a Data struct containing a slice with the
mapped contents of the file. Before this change, on Windows, the slice
contained the contents of all the pages of the mapping, including past
the end of the file. Re-slice the slice to the length of the file (if
if the slice is longer) so that the slice contains only the data in the
file.

For #71059

Change-Id: I389b752505b6fa1252b5c6d836a37bc7e662a45d
Reviewed-on: https://go-review.googlesource.com/c/go/+/640155
Reviewed-by: Russ Cox <rsc@golang.org>
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3 months agocrypto: fix fips140=only detection of SHA-3
Filippo Valsorda [Mon, 6 Jan 2025 17:52:35 +0000 (18:52 +0100)]
crypto: fix fips140=only detection of SHA-3

Both fips140only and the service indicator checks in
crypto/internal/fips140/... expect to type assert to
crypto/internal/fips140/{sha256,sha512,sha3}.Digest.

However, crypto/sha3 returns a wrapper concrete type around sha3.Digest.

Add a new fips140hash.Unwrap function to turn the wrapper into the
underlying sha3.Digest, and use it consistently before calling into
fips140only or the FIPS 140-3 module.

In crypto/rsa, also made the fips140only checks apply consistently after
the Go+BoringCrypto shims, so we can instantiate the hash, and avoid
having to wrap the New function. Note that fips140=only is incompatible
with Go+BoringCrypto.

Fixes #70879

Change-Id: I6a6a4656ec55c3e13f6cbfadb9cf89c0f9183bdc
Reviewed-on: https://go-review.googlesource.com/c/go/+/640855
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
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3 months agoencoding/json: improve fidelity of TestUnmarshal for Numbers
Joe Tsai [Wed, 8 Jan 2025 20:30:01 +0000 (12:30 -0800)]
encoding/json: improve fidelity of TestUnmarshal for Numbers

In particular, cover the behavior of unmarshaling a JSON string
into a Number type regardless of whether the `string` option
is specified or not.

Change-Id: Ibc55f16860442240bcfeea1fd51aaa76f7e50f67
Reviewed-on: https://go-review.googlesource.com/c/go/+/641416
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Auto-Submit: Joseph Tsai <joetsai@digital-static.net>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
3 months agocrypto/mlkem: merge mlkem768.go and mlkem1024.go to improve godoc
Filippo Valsorda [Wed, 8 Jan 2025 09:40:39 +0000 (10:40 +0100)]
crypto/mlkem: merge mlkem768.go and mlkem1024.go to improve godoc

The constants appeared badly ordered and grouped in the godoc before

    const (
        CiphertextSize1024 = 1568
        EncapsulationKeySize1024 = 1568
    )
    const (
        SharedKeySize = 32
        SeedSize = 64
        CiphertextSize768 = 1088
        EncapsulationKeySize768 = 1184
    )

while now they are a single group with the good size first

    const (
        SharedKeySize = 32
        SeedSize = 64
        CiphertextSize768 = 1088
        EncapsulationKeySize768 = 1184
        CiphertextSize1024 = 1568
        EncapsulationKeySize1024 = 1568
    )

No code changes.

Change-Id: I6a6a4656961b1e8c8bca3992aafa33e0575af8a2
Reviewed-on: https://go-review.googlesource.com/c/go/+/640997
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
3 months agocrypto/mlkem: add example and improve docs
Filippo Valsorda [Wed, 8 Jan 2025 09:15:23 +0000 (10:15 +0100)]
crypto/mlkem: add example and improve docs

Change-Id: I6a6a46565f9135d8f18bf219e5b76d5957df5ab0
Reviewed-on: https://go-review.googlesource.com/c/go/+/641295
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Reviewed-by: Russ Cox <rsc@golang.org>
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
3 months agogo/types, types2: require iterator yield to return bool (work-around)
Robert Griesemer [Tue, 7 Jan 2025 23:06:05 +0000 (15:06 -0800)]
go/types, types2: require iterator yield to return bool (work-around)

The original implementation of the type checkers accepted any boolean
result type for yield, but the compiler's front-end had a problem with
it (#71131).

As a temporary fix (for 1.24), adjust the type checkers to insist on the
spec's literal wording and avoid the compiler panic.

Fixes #71131.
For #71164.

Change-Id: Ie25f9a892e58b5e489d399b0bce2d0af55dc3c48
Reviewed-on: https://go-review.googlesource.com/c/go/+/640599
Reviewed-by: Robert Griesemer <gri@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
Reviewed-by: Tim King <taking@google.com>
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3 months agocrypto/md5,crypto/sha1: apply fips140=only to Write and Sum, not New
Filippo Valsorda [Mon, 6 Jan 2025 17:49:45 +0000 (18:49 +0100)]
crypto/md5,crypto/sha1: apply fips140=only to Write and Sum, not New

New is called to get a Hash which can then be rejected with an error
(instead of a panic) from fips140only.ApprovedHash.

Also, it's reasonable to call New().Size() and then not use the hash.

Change-Id: I6a6a4656c43528d169c4b28c8b6de48448236d4f
Reviewed-on: https://go-review.googlesource.com/c/go/+/641317
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
Reviewed-by: Russ Cox <rsc@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
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3 months agocrypto/ecdsa: apply fips140=only to deterministic ECDSA hash
Filippo Valsorda [Mon, 6 Jan 2025 20:12:03 +0000 (21:12 +0100)]
crypto/ecdsa: apply fips140=only to deterministic ECDSA hash

Change-Id: I6a6a46567b1eaaef080ac0994afa83db2624a75a
Reviewed-on: https://go-review.googlesource.com/c/go/+/641316
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Russ Cox <rsc@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
3 months agocrypto/rsa: apply fips140=only to opts.Hash in SignPSS
Filippo Valsorda [Mon, 6 Jan 2025 20:12:03 +0000 (21:12 +0100)]
crypto/rsa: apply fips140=only to opts.Hash in SignPSS

Change-Id: I6a6a46569bd364b36f83b9aef640eca94e045173
Reviewed-on: https://go-review.googlesource.com/c/go/+/641315
Reviewed-by: Roland Shoemaker <roland@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Russ Cox <rsc@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
3 months agocrypto/internal/fips140/drbg: avoid global lock on rand state
Russ Cox [Tue, 7 Jan 2025 17:07:07 +0000 (12:07 -0500)]
crypto/internal/fips140/drbg: avoid global lock on rand state

Having a global lock on the random state (used only in FIPS-140 mode)
introduces contention in concurrent programs. Use an approximately
per-P random state instead, using sync.Pool to manage per-P state.

This code is important to land for the Go 1.24 release because it is
part of the FIPS-140 module that will be validated and certified,
so it will live for a long time. We otherwise wouldn't be able to
correct this contention for at least a year, perhaps more.

At the same time, the code is only used in the FIPS-140 mode,
so there is no risk to normal programs.

Fixes #71155.

Change-Id: I6b779f15ddfdf232f608f5cda08f75906e58114f
Reviewed-on: https://go-review.googlesource.com/c/go/+/641097
Reviewed-by: Austin Clements <austin@google.com>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
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3 months agocmd/go/testdata/script: fix TestScript/env_gocacheprog on Windows
Michael Matloob [Wed, 8 Jan 2025 16:19:05 +0000 (11:19 -0500)]
cmd/go/testdata/script: fix TestScript/env_gocacheprog on Windows

The backslashes on the windows paths will be escaped, so when checking
for them in the regular expression we'd have to have quadruple
backslashes '\\\\'. Since it's difficult to escape $GOCACHEPROG properly
for both json and regexp, just check for a string that ends in
cacheprog$GOEXE. We already check that the proper value is reported in
go env and go env -changed, and the json test case is mostly useful to
verify that GOCACHEPROG shows up in the json output.

For #71059

Change-Id: I52d49de61f2309a139f84c4d232b4cd94546ec8c
Cq-Include-Trybots: luci.golang.try:gotip-windows-amd64-longtest,gotip-linux-amd64-longtest
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3 months agoruntime: hold traceAcquire across casgstatus in injectglist
Michael Anthony Knyszek [Mon, 23 Dec 2024 17:21:07 +0000 (17:21 +0000)]
runtime: hold traceAcquire across casgstatus in injectglist

Currently injectglist emits all the trace events before actually calling
casgstatus on each goroutine. This is a problem, since tracing can
observe an inconsistent state (gstatus does not match tracer's 'emitted
an event' state).

This change fixes the problem by having injectglist do what every other
scheduler function does, and that's wrap each call to casgstatus in
traceAcquire/traceRelease.

Fixes #70883.

Change-Id: I857e96cec01688013597e8efc0c4c3d0b72d3a70
Reviewed-on: https://go-review.googlesource.com/c/go/+/638558
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3 months agointernal/sync: fix typo of panic message
Koichi Shiraishi [Sat, 28 Dec 2024 04:56:04 +0000 (13:56 +0900)]
internal/sync: fix typo of panic message

Change-Id: I3e7a8498514da1d278acd566d526fdf6278f7d41
Reviewed-on: https://go-review.googlesource.com/c/go/+/638916
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
3 months agotesting/synctest: add some examples
Damien Neil [Tue, 7 Jan 2025 22:29:23 +0000 (14:29 -0800)]
testing/synctest: add some examples

For #67434

Change-Id: Iebcfc2559a62405fea7e3ceff8cf6c2f50b61def
Reviewed-on: https://go-review.googlesource.com/c/go/+/641176
Reviewed-by: Ian Lance Taylor <iant@google.com>
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3 months agocmd/go/internal/modindex: don't write index entry if file open
Michael Matloob [Mon, 6 Jan 2025 16:10:02 +0000 (11:10 -0500)]
cmd/go/internal/modindex: don't write index entry if file open

On Windows, we can't open a file that's already been opened. Before this
change, we'd try to write an index entry if mmapping the entry failed.
But that could happen either if the file doesn't exist or if there was a
problem mmapping an already opened file. Pass through information about
whether the file was actually opened so that we don't try to write to an
already opened file.

For #71059

Change-Id: I6adabe1093fed9ec37e7fafb13384c102786cbce
Reviewed-on: https://go-review.googlesource.com/c/go/+/640577
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3 months agocmd/internal/hash: stop using md5, sha1
Russ Cox [Tue, 7 Jan 2025 16:20:07 +0000 (11:20 -0500)]
cmd/internal/hash: stop using md5, sha1

These break if the tools are run with GODEBUG=fips140=only,
which happens if someone sets that during 'go test' (and a test
binary must be built).

The easiest fix is to make the tools compatible with this GODEBUG
by just using sha256 as the underlying hash always. Just in case,
I made the wrappers select different sections of the hash, but
none of the call sites really care.

This CL is for the Go 1.24 release, but a follow-up during the Go 1.25
dev cycle could change all the usage sites to only use Sum32/New32.

For #70514
Fixes #70878

Change-Id: Id5fea779c83df51d1680dbe561e0949c56e8d1e5
Reviewed-on: https://go-review.googlesource.com/c/go/+/641096
Reviewed-by: Keith Randall <khr@golang.org>
Auto-Submit: Russ Cox <rsc@golang.org>
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Reviewed-by: Keith Randall <khr@google.com>
3 months agocmd/go/internal/cache: handle cacheprog not responding to close
Michael Matloob [Mon, 6 Jan 2025 21:02:38 +0000 (16:02 -0500)]
cmd/go/internal/cache: handle cacheprog not responding to close

Allow a gocacheprog to not respond to close. The intention of the code
is that after we send the close message we'd ignore errors reading from
the cacheprog's stdout. But before this change if a cacheprog
did not respond to close and we got an EOF reading from the cacheprog's
stdout we'd just ignore all pending requests. The send operation would
then block forever waiting for a response. With this change, we close
all response channels for pending responses if there's an error reading
from the cacheprog's stdout while we're closing. The receives from the
response channels would then proceed (but now have to handle a nil
value). Then the send operation would return and the (*ProgCache).Close
function can proceed.

Fixes #70848

Change-Id: I6631d317ba7aea3f25f714f31cd2aeef0f4d4e3e
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3 months agoweak: don't panic when calling Value on a zero Pointer
Michael Anthony Knyszek [Tue, 7 Jan 2025 16:01:46 +0000 (16:01 +0000)]
weak: don't panic when calling Value on a zero Pointer

Currently weak.Pointer.Value will panic if the weak.Pointer is
uninitialized (zero value) which goes against it's documentation. Fix
this and add a test. While we're here, also add a test to ensure
weak.Make[T](nil) is equivalent to the zero value of weak.Pointer[T].

Fixes #71153.

Change-Id: I4d9196026360bc42a5bfcb33ce449131ec251dba
Reviewed-on: https://go-review.googlesource.com/c/go/+/641095
Reviewed-by: David Finkel <david.finkel@gmail.com>
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3 months agocmd/compile/internal/syntax: add test case for invalid label use
Robert Griesemer [Tue, 7 Jan 2025 00:22:10 +0000 (16:22 -0800)]
cmd/compile/internal/syntax: add test case for invalid label use

This case is not properly handled by the type checkers (see issue)
but the compiler uses the parser's label checking so it works as
expected.

For #70974.

Change-Id: I0849376bf7514a9a7730846649c3fe28c91f44ca
Reviewed-on: https://go-review.googlesource.com/c/go/+/640895
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3 months agogo/types, types2: expand documentation for Info.Types map
Robert Griesemer [Mon, 6 Jan 2025 21:25:08 +0000 (13:25 -0800)]
go/types, types2: expand documentation for Info.Types map

Function types for function (and method) declarations do not
appear in Info.Types maps, only Info.Defs maps, because the
function type is implicit in the declaration and not a proper
(function) type expression. This is true even though the AST
represents these types via an (artificial) FuncType node.

Document this explicitly in the API.

No functional code changes.

Fixes #70908.

Change-Id: I2aa897daed04e7ad0fa8b625d9adc7b423c57387
Reviewed-on: https://go-review.googlesource.com/c/go/+/640776
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3 months agocmd/go/internal/env: add GOCACHEPROG to go env output
Michael Matloob [Mon, 6 Jan 2025 19:08:53 +0000 (14:08 -0500)]
cmd/go/internal/env: add GOCACHEPROG to go env output

For #71059

Change-Id: I4bbdd14d416dc2e6dae3549a84c16dbef9d4e645
Reviewed-on: https://go-review.googlesource.com/c/go/+/640755
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3 months agocrypto/tls: send illegal_parameter on invalid ECHClientHello.type
thekuwayama [Mon, 30 Dec 2024 19:28:35 +0000 (19:28 +0000)]
crypto/tls: send illegal_parameter on invalid ECHClientHello.type

The spec indicates that if a client sends an invalid ECHClientHello.type
in ClientHelloOuter, the server will abort the handshake with a
decode_error alert.

Define errInvalidECHExt for invalid ECHClientHello.type. If parseECHExt
returns an errInvalidECHExt error, Conn now sends an illegal_parameter
alert.

Fixes #71061.

Change-Id: I240241fe8bbe3e77d6ad1af989794647bfa2ff87
GitHub-Last-Rev: 3d6c233ccd401453bfb1a4fc97fa5deeb5b2fbc8
GitHub-Pull-Request: golang/go#71062
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3 months agocrypto/internal/fips140: zeroise integrity test temporary values
Filippo Valsorda [Mon, 16 Dec 2024 16:20:46 +0000 (17:20 +0100)]
crypto/internal/fips140: zeroise integrity test temporary values

There is no point to zeroise anything here because there are no secrets,
but there is a strict FIPS 140-3 test requirement for it.

> TE05.08.02 (Levels 1, 2, 3, and 4): verify that any temporary values
> generated during the integrity test are zeroised upon completion of
> the integrity test

Change-Id: I7b0db075dae9910f8e825a22ca2caa2b4c918980
Reviewed-on: https://go-review.googlesource.com/c/go/+/636556
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3 months agocmd/internal/disasm: correct instruction length handling for riscv64
Joel Sing [Fri, 3 Jan 2025 16:44:40 +0000 (03:44 +1100)]
cmd/internal/disasm: correct instruction length handling for riscv64

disasm_riscv64 currently always returns an instruction length of four,
which is not correct if compressed instructions are in use. Return the
length of the decoded instruction, defaulting to two bytes if the
instruction is unknown.

With this change it is possible to correctly objdump a binary that is
written in C and includes compressed instructions:

$ go tool objdump ./hello
TEXT _start(SB)
  :0                    0x5b0                   ef002002                CALL 8(PC)
  :0                    0x5b4                   aa87                    ADD X10, X0, X15
  :0                    0x5b6                   17250000                AUIPC $2, X10
  :0                    0x5ba                   033525a3                MOV -1486(X10), X10
  :0                    0x5be                   8265                    MOV (X2), X11
  :0                    0x5c0                   3000                    ADDI $8, X2, X12
  ...

Fixes #71102

Change-Id: Ia99eb114a98c6d535de872ce8a526cd5e6203fff
Reviewed-on: https://go-review.googlesource.com/c/go/+/639995
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3 months agocrypto/rsa: use λ(N) instead of φ(N)
Filippo Valsorda [Sat, 28 Dec 2024 21:32:59 +0000 (22:32 +0100)]
crypto/rsa: use λ(N) instead of φ(N)

This has no practical advantage, and requires extra variable time code,
but is an explicit FIPS 186-5 requirement.

Note that the new behavior is consistent with Go+BoringCrypto, but not
with Go 1.23. The resulting keys are essentially interchangeable, but
it's not impossible for applications to notice (google/go-tpm#383).

gcd_lcm_tests.txt is from BoringSSL.

Change-Id: I6a6a4656fd5e92912c87bedc667456d0e8787023
Reviewed-on: https://go-review.googlesource.com/c/go/+/639936
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3 months agointernal/sync: add test from issue 70970
Michael Anthony Knyszek [Mon, 6 Jan 2025 18:23:21 +0000 (18:23 +0000)]
internal/sync: add test from issue 70970

This test checks a use-case of sync.Map that's expected to be more
common in Go 1.24 and beyond, as a concurrent weak cache.

The test will also fail if CompareAndSwap is not properly atomic with
CompareAndDelete, which is what #70970 is actually about. We should have
more explicit tests checking mutual atomicity of operations, but
for now this is OK, and still useful.

For #70970.

Change-Id: I6db508660691586a8af9ad511c9a96432d333343
Reviewed-on: https://go-review.googlesource.com/c/go/+/640737
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3 months agonet/http: update NewRequestWithContext wrong link to NewRequest
yincong [Mon, 6 Jan 2025 02:10:08 +0000 (02:10 +0000)]
net/http: update NewRequestWithContext wrong link to NewRequest

Fixes #70874

Change-Id: Icbcfc95e6b45521880287dcc3bc8609461a3b401
GitHub-Last-Rev: 05276c56b019d8774e8eee881101509cf83c0f3d
GitHub-Pull-Request: golang/go#70877
Reviewed-on: https://go-review.googlesource.com/c/go/+/637035
Reviewed-by: qiu laidongfeng2 <2645477756@qq.com>
Reviewed-by: Damien Neil <dneil@google.com>
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3 months agoRevert "internal/sync: optimize CompareAndSwap and Swap"
Michael Knyszek [Tue, 24 Dec 2024 01:59:28 +0000 (17:59 -0800)]
Revert "internal/sync: optimize CompareAndSwap and Swap"

This reverts CL 606462.

Reason for revert: Breaks atomicity between operations. See #70970.

Change-Id: I1a899f2784da5a0f9da3193e3267275c23aea661
Reviewed-on: https://go-review.googlesource.com/c/go/+/638615
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3 months agocrypto/ecdsa: drop SEC 1 reference from package doc
Filippo Valsorda [Wed, 24 Aug 2022 10:32:51 +0000 (12:32 +0200)]
crypto/ecdsa: drop SEC 1 reference from package doc

FIPS 186-4 used to defer to ANSI X9.62-2005, which is not freely
available, so we were referring to SEC 1 instead. Our new reference,
FIPS 186-5, actually specifies the full algorithm, so there is no need
to refer to SEC 1 anymore.

Change-Id: Ief499d0f7778f3221547993e9e8951ae873aacef
Reviewed-on: https://go-review.googlesource.com/c/go/+/640115
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
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3 months agocontext: use "canceled" in docs to refer to timed-out contexts
Damien Neil [Fri, 3 Jan 2025 19:47:39 +0000 (11:47 -0800)]
context: use "canceled" in docs to refer to timed-out contexts

In documentation, we've usually but not always referred to a
context with a closed Done channel as "done" rather than
"canceled", to avoid ambiguity between a context canceled
by calling a CancelFunc and one past its deadline.

This actually adds ambiguity, however, since it's common to
see references to a "canceled context" that are intended to
cover contexts past their deadline. If you see "function F
returns if its context is canceled", you can reasonably
assume that F will return if its context passes its
deadline, unless something says otherwise.

Update the context package docs to explicitly state that
a context is canceled when its deadline passes. Drop references
to contexts becoming "done" and just use "canceled" throughout.

Fixes #70945

Change-Id: I99fbd800c6049deaa37015a304f7f9d9a84100e1
Reviewed-on: https://go-review.googlesource.com/c/go/+/640095
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3 months agocmd/go/internal/vcweb: close the .access file
Ian Lance Taylor [Fri, 3 Jan 2025 21:49:20 +0000 (13:49 -0800)]
cmd/go/internal/vcweb: close the .access file

For #71112

Change-Id: Ifda4fc8de148c42a2154da54b53d7215b9a6faa0
Reviewed-on: https://go-review.googlesource.com/c/go/+/640175
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3 months agocrypto/internal/fips140: mark OpenBSD unsupported
Filippo Valsorda [Wed, 1 Jan 2025 14:08:28 +0000 (15:08 +0100)]
crypto/internal/fips140: mark OpenBSD unsupported

Since OpenBSD 7.3, external linking uses -fexecute-only, which breaks
the integrity check. Since we are not validating on OpenBSD anyway,
mark it as unsupported at least for now.

Fixes #70880

Change-Id: I6a6a4656b6c7a97c0962b4158d920f9e6b19678e
Reviewed-on: https://go-review.googlesource.com/c/go/+/639337
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Reviewed-by: Roland Shoemaker <roland@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Joel Sing <joel@sing.id.au>
Reviewed-by: صادق <sadq04724@gmail.com>
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3 months agocrypto/internal/fips140: add Supported
Filippo Valsorda [Fri, 27 Dec 2024 10:13:42 +0000 (11:13 +0100)]
crypto/internal/fips140: add Supported

Move the logic duplicated in multiple places to a central function.

Change-Id: I6a6a4656469c91dd62b0be716ec8367358f4a3e1
Reviewed-on: https://go-review.googlesource.com/c/go/+/639336
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3 months agointernal/fuzz: remove the exp2 method
Jakub Ciolek [Fri, 3 Jan 2025 16:23:05 +0000 (17:23 +0100)]
internal/fuzz: remove the exp2 method

It's not being used anywhere, remove it.

Change-Id: I9c3eecacd4e5d44b18243bdec24ad88bc38c82bf
Reviewed-on: https://go-review.googlesource.com/c/go/+/639957
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3 months agospec: fix a dead link
yaxum62 [Thu, 2 Jan 2025 20:49:07 +0000 (20:49 +0000)]
spec: fix a dead link

Change-Id: If99aa8073cc0e7fe36d3775c635eaaab230fcd04
GitHub-Last-Rev: 06dbd990c72ee0e9c08254addd5ce669bfbe1883
GitHub-Pull-Request: golang/go#71083
Reviewed-on: https://go-review.googlesource.com/c/go/+/638638
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3 months agointernal/exportdata: add missing return
Mateusz Poliwczak [Thu, 2 Jan 2025 18:22:34 +0000 (18:22 +0000)]
internal/exportdata: add missing return

Change-Id: I9703c6a4a2ae4a608d33cf706106c92e9bd2aef7
GitHub-Last-Rev: 3eee41957d8a2d9908519c798f30d5ccc90c53fb
GitHub-Pull-Request: golang/go#71096
Reviewed-on: https://go-review.googlesource.com/c/go/+/637962
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3 months agocrypto/internal/fips140/check: remove Enabled
Filippo Valsorda [Tue, 17 Dec 2024 19:03:22 +0000 (20:03 +0100)]
crypto/internal/fips140/check: remove Enabled

check.Enabled, internal/fips140.Enabled, and crypto/fips140.Enabled were
redundant. Package check can just use internal/fips140.Enabled.

check.Verified is still there for the tests and belt-and-suspenders
assurance in crypto/fips140.Enabled, although it's implied by Enabled.

For #69536

Change-Id: I83921cc925da841aba4da79a9a5e9ac526a3f2bf
Reviewed-on: https://go-review.googlesource.com/c/go/+/638855
Reviewed-by: Roland Shoemaker <roland@golang.org>
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4 months agocmd/go: fix two typos in helpdoc.go
linmaolin [Thu, 2 Jan 2025 21:05:21 +0000 (21:05 +0000)]
cmd/go: fix two typos in helpdoc.go

Change-Id: Ib750438107db6c82020cfb4abbab52435012b7fc
GitHub-Last-Rev: 3fa9b8c7bc70965c1ec9082b00c9b5a7af9751ef
GitHub-Pull-Request: golang/go#71082
Reviewed-on: https://go-review.googlesource.com/c/go/+/639217
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4 months agocmd/go: document GOCACHEPROG in go help environment
Austin Clements [Fri, 27 Dec 2024 18:11:02 +0000 (13:11 -0500)]
cmd/go: document GOCACHEPROG in go help environment

This adds GOCACHEPROG to the list of environment variables in "go help
environment" and points to the cacheprog package documentation for
details of the protocol.

Fixes #71032
Updates #59719

Change-Id: Ib8f5804926a8fa59237661076d129c2852665ac3
Reviewed-on: https://go-review.googlesource.com/c/go/+/638997
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4 months agocmd/go/internal/cacheprog: drop redundant Prog prefixes
Austin Clements [Fri, 27 Dec 2024 18:27:21 +0000 (13:27 -0500)]
cmd/go/internal/cacheprog: drop redundant Prog prefixes

Now that these types are in their own package, drop the unnecessary
Prog prefixes from everything.

Updates #71032
Updates #59719

Change-Id: Id54edf0473754e3b21a71beb72803fb5481206c1
Reviewed-on: https://go-review.googlesource.com/c/go/+/638996
Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Austin Clements <austin@google.com>
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4 months agocmd/go: move GOCACHEPROG protocol types to their own package
Austin Clements [Fri, 27 Dec 2024 18:27:21 +0000 (13:27 -0500)]
cmd/go: move GOCACHEPROG protocol types to their own package

This is a step toward making it easy to point to them in
documentation. The other option is that we copy-paste all of these
type definitions wholesale, which seems ridiculous.

Updates #71032
Updates #59719

Change-Id: I7117e03308ae0adc721ed7a57792c33ba68ce827
Reviewed-on: https://go-review.googlesource.com/c/go/+/638995
Auto-Submit: Austin Clements <austin@google.com>
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Reviewed-by: Michael Matloob <matloob@golang.org>
4 months agocrypto/tls: properly return ECH retry configs
Roland Shoemaker [Mon, 30 Dec 2024 18:36:55 +0000 (10:36 -0800)]
crypto/tls: properly return ECH retry configs

When ECH is rejected, properly take retry configs from the encrypted
extensions message. Also fix the bogo shim to properly test for this
behavior.

We should properly map the full BoringSSL -> Go errors so that we don't
run into a similar failure in the future, but this is left for a follow
up CL.

Fixes #70915

Change-Id: Icc1878ff6f87df059e7b83e0a431f50f1fea833c
Reviewed-on: https://go-review.googlesource.com/c/go/+/638583
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
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4 months agocmd/go: improve GOCACHEPROG types documentation
Austin Clements [Fri, 27 Dec 2024 18:09:25 +0000 (13:09 -0500)]
cmd/go: improve GOCACHEPROG types documentation

This is in preparation for adding a "go help" topic for GOCACHEPROG.

Updates #71032
Updates #59719

Change-Id: I9dbbe56fa328dffe89207b5b41a0f37afd51e2b5
Reviewed-on: https://go-review.googlesource.com/c/go/+/638566
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4 months agocmd/go: remove references to gopath-get
Sean Liao [Sat, 28 Dec 2024 19:25:08 +0000 (14:25 -0500)]
cmd/go: remove references to gopath-get

Fixes #70912

Change-Id: Id87a13f7c9bf972502d14c9674a27f743b849715
Reviewed-on: https://go-review.googlesource.com/c/go/+/639155
Reviewed-by: Sam Thanawalla <samthanawalla@google.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
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4 months agocrypto/tls: fix Config.Time in tests using expired certificates
Filippo Valsorda [Thu, 2 Jan 2025 00:34:40 +0000 (01:34 +0100)]
crypto/tls: fix Config.Time in tests using expired certificates

Fixes #71077

Change-Id: I6a6a465685f3bd50a5bb35a160f87b59b74fa6af
Reviewed-on: https://go-review.googlesource.com/c/go/+/639655
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
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Auto-Submit: Filippo Valsorda <filippo@golang.org>
Auto-Submit: Damien Neil <dneil@google.com>
Reviewed-by: Joel Sing <joel@sing.id.au>
Reviewed-by: Ian Lance Taylor <iant@google.com>
4 months agocmd/go: document default GOARM value
Ian Lance Taylor [Mon, 30 Dec 2024 22:35:24 +0000 (14:35 -0800)]
cmd/go: document default GOARM value

For #24904
For #58884

Change-Id: I0fc61f1a0bc6ebb22bdfd7a7b13ef36c68879384
Reviewed-on: https://go-review.googlesource.com/c/go/+/639276
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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4 months agobuiltin: use list instead of indentation for comments in cap, len, and make
Shulhan [Mon, 30 Dec 2024 10:10:57 +0000 (17:10 +0700)]
builtin: use list instead of indentation for comments in cap, len, and make

Using list make the document more readable in HTML and CLI.

Change-Id: Ib84c84656f32806e8612b1ca13938d93f618e27f
Reviewed-on: https://go-review.googlesource.com/c/go/+/639315
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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4 months agospec: document that string conversions don't guarantee result slice capacity
Robert Griesemer [Wed, 18 Dec 2024 22:15:48 +0000 (14:15 -0800)]
spec: document that string conversions don't guarantee result slice capacity

Fixes #24163.

Change-Id: If389c4abf3b9b6e4eba6f31c3c12779329456df6
Reviewed-on: https://go-review.googlesource.com/c/go/+/637655
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
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4 months agospec: describe representation of values
Robert Griesemer [Thu, 12 Dec 2024 23:26:54 +0000 (15:26 -0800)]
spec: describe representation of values

Add a section on the representation of values:
distinguish between values that are self-contained
and values that contain references while avoiding
the notion of "reference types" which is misleading.

Also, use "predeclared identifier nil" rather than
"predeclared value nil" because it is the identifier
that is predeclared.

Fixes #5083.

Change-Id: I2235673c6404f2c055f195e879f198c7ab246d58
Reviewed-on: https://go-review.googlesource.com/c/go/+/635801
Reviewed-by: Rob Pike <r@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Bypass: Robert Griesemer <gri@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
4 months agocrypto/tls: fix misspelling in comment
thekuwayama [Mon, 30 Dec 2024 20:00:49 +0000 (20:00 +0000)]
crypto/tls: fix misspelling in comment

Change-Id: Ie36a19ed6d6922e68f98e43745a417a24f8a7828
GitHub-Last-Rev: 6fb32e3d1d4f35704d466b53796e8ddeaf936d72
GitHub-Pull-Request: golang/go#71060
Reviewed-on: https://go-review.googlesource.com/c/go/+/639215
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
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4 months agoencoding/binary: add documentation for endian methods
willboland [Mon, 30 Dec 2024 20:00:43 +0000 (20:00 +0000)]
encoding/binary: add documentation for endian methods

While the comments are on an unexported type, gopls correctly
shows them when using the exported vars LittleEndian and BigEndian.

Fixes #68083

Change-Id: I53668c3140ad00f7b58437be74e6df773e2916f1
GitHub-Last-Rev: cef717123cdc632b59683f4ce55aee6c286ca4c7
GitHub-Pull-Request: golang/go#71058
Reviewed-on: https://go-review.googlesource.com/c/go/+/638936
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Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Jorropo <jorropo.pgm@gmail.com>