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| Name: go1.21-openssl-race | Distribution: SUSE Linux Framework One |
| Version: 1.21.7.1 | Vendor: SUSE LLC <https://www.suse.com/> |
| Release: slfo.1.1.6 | Build date: Mon Aug 26 11:15:56 2024 |
| Group: Development/Languages/Go | Build host: ibs-power9-18 |
| Size: 692368 | Source RPM: go1.21-openssl-1.21.7.1-slfo.1.1.6.src.rpm |
| Packager: https://www.suse.com/ | |
| Url: https://compiler-rt.llvm.org/ | |
| Summary: Go runtime race detector | |
Go runtime race detector libraries. Install this package if you wish to use the -race option, in order to detect race conditions present in your Go programs.
BSD-3-Clause
* Wed Mar 13 2024 jkowalczyk@suse.com
- Remove subpackage go1.x-openssl-libstd for compiled shared object
libstd.so.
Refs jsc#PED-1962 jsc#SLE-18320
* Continue to build experimental libstd only on go1.x Tumbleweed.
* Removal fixes build errors on go1.x-openssl Factory and ALP.
* Use of libstd.so is experimental and not recommended for
general use, Go currently has no ABI.
* Feature go build -buildmode=shared is deprecated by upstream,
but not yet removed.
* Tue Feb 27 2024 jkowalczyk@suse.com
- Packaging improvements:
* Use %patch -P N instead of deprecated %patchN
* Thu Feb 08 2024 jkowalczyk@suse.com
- Update to version 1.21.7.1 cut from the go1.21-openssl-fips
branch at the revision tagged go1.21.7-1-openssl-fips.
* Update to go1.21.7
* Tue Feb 06 2024 jkowalczyk@suse.com
- Packaging improvements:
* boo#1219988 ensure VERSION file is present in GOROOT
as required by go tool dist and go tool distpack
* Tue Feb 06 2024 jkowalczyk@suse.com
- go1.21.7 (released 2024-02-06) includes fixes to the compiler,
the go command, the runtime, and the crypto/x509 package.
Refs boo#1212475 go1.21 release tracking
* go#63209 runtime: "fatal: morestack on g0" on amd64 after upgrade to Go 1.21
* go#63768 runtime: pinner.Pin doesn't panic when it says it will
* go#64497 cmd/go: flag modcacherw does not take effect in the target package
* go#64761 staticlockranking builders failing on release branches on LUCI
* go#64935 runtime: "traceback: unexpected SPWRITE function runtime.systemstack"
* go#65023 x/tools/go/analysis/unitchecker,slices: TestVetStdlib failing due to vet errors in panic tests
* go#65053 cmd/compile: //go:build file version ignored when calling generic fn which has related type params
* go#65323 crypto: rollback BoringCrypto fips-20220613 update
* go#65351 cmd/go: go generate fails silently when run on a package in a nested workspace module
* go#65380 crypto/x509: TestIssue51759 consistently failing on gotip-darwin-amd64_10.15 LUCI builder
* go#65449 runtime/trace: frame pointer unwinding crash on arm64 during async preemption
* Tue Jan 09 2024 jkowalczyk@suse.com
- go1.21.6 (released 2024-01-09) includes fixes to the compiler,
the runtime, and the crypto/tls, maps, and runtime/pprof
packages.
Refs boo#1212475 go1.21 release tracking
* go#63911 x/build,os/signal: TestDetectNohup and TestNohup fail on replacement darwin LUCI builders
* go#64410 runtime: ReadMemStats fatal error: mappedReady and other memstats are not equal
* go#64472 cmd/compile: linux/s390x: inlining bug in s390x
* go#64475 maps: maps.Clone reference semantics when cloning a map with large value types
* go#64561 runtime: excessive memory use between 1.21.0 -> 1.21.1
* go#64567 cmd/compile: max/min builtin broken when used with string(byte) conversions
* go#64609 runtime/pprof: incorrect function names for generics functions
* go#64719 crypto: upgrade to BoringCrypto fips-20220613 and enable TLS 1.3
* go#64757 runtime: race condition raised with parallel tests, panic(nil) and -race
* Thu Dec 07 2023 jkowalczyk@suse.com
- Update to version 1.21.5.1 cut from the go1.21-openssl-fips
branch at the revision tagged go1.21.5-1-openssl-fips.
* Update to go1.21.5
* Tue Dec 05 2023 jkowalczyk@suse.com
- go1.21.5 (released 2023-12-05) includes security fixes to the go
command, and the net/http and path/filepath packages, as well as
bug fixes to the compiler, the go command, the runtime, and the
crypto/rand, net, os, and syscall packages.
Refs boo#1212475 go1.21 release tracking
CVE-2023-45285 CVE-2023-45284 CVE-2023-39326
* go#63973 go#63845 boo#1217834 security: fix CVE-2023-45285 cmd/go: git VCS qualifier in module path uses git:// scheme
* go#64041 go#63713 boo#1216943 security: fix CVE-2023-45284 path/filepath: Clean removes ending slash for volume on Windows in Go 1.21.4
* go#64435 go#64433 boo#1217833 security: fix CVE-2023-39326 net/http: limit chunked data overhead
* go#62055 cmd/go: go mod download needs to support toolchain upgrades
* go#63743 cmd/compile: invalid pointer found on stack when compiled with -race
* go#63764 os: NTFS deduped file changed from regular to irregular
* go#63801 net: TCPConn.ReadFrom hangs when io.Reader is TCPConn or UnixConn, Linux kernel < 5.1
* go#63984 cmd/compile: internal compiler error: panic during prove while compiling: unexpected induction with too many parents
* go#63994 syscall: TestOpenFileLimit unintentionally runs on non-Unix platforms
* go#64073 runtime: self-deadlock on mheap_.lock
* go#64413 crypto/rand: Legacy RtlGenRandom use on Windows
* Tue Nov 07 2023 jkowalczyk@suse.com
- Update to version 1.21.4.1 cut from the go1.21-openssl-fips
branch at the revision tagged go1.21.4-1-openssl-fips.
* Update to go1.21.4
* Tue Nov 07 2023 jkowalczyk@suse.com
- go1.21.4 (released 2023-11-07) includes security fixes to the
path/filepath package, as well as bug fixes to the linker, the
runtime, the compiler, and the go/types, net/http, and
runtime/cgo packages.
Refs boo#1212475 go1.21 release tracking
CVE-2023-45283 CVE-2023-45284
* go#63715 go#63713 boo#1216943 boo#1216944 security: fix CVE-2023-45283 CVE-2023-45284 path/filepath: insecure parsing of Windows paths
* go#62207 spec: update unification rules
* go#62545 cmd/compile: internal compiler error: expected struct value to have type struct
* go#63317 cmd/link: split text sections for arm 32-bit
* go#63335 runtime: MADV_COLLAPSE causes production performance issues on Linux
* go#63339 go/types, x/tools/go/ssa: panic: type param without replacement encountered
* go#63509 cmd/compile: -buildmode=c-archive produces code not suitable for use in a shared object on arm64
* go#63560 net/http: http2 page fails on firefox/safari if pushing resources
* Thu Oct 19 2023 jkowalczyk@suse.com
- Initial package go1.21-openssl version 1.21.3.1 cut from the
go1.21-openssl-fips branch at the revision tagged
go1.21.3-1-openssl-fips.
Refs jsc#SLE-18320
* Go upstream merged branch dev.boringcrypto in go1.19+.
* In go1.x enable BoringCrypto via GOEXPERIMENT=boringcrypto.
* In go1.x-openssl enable FIPS mode (or boring mode as the
package is named) either via an environment variable
GOLANG_FIPS=1 or by virtue of booting the host in FIPS mode.
* When the operating system is operating in FIPS mode, Go
applications which import crypto/tls/fipsonly limit operations
to the FIPS ciphersuite.
* go1.x-openssl is delivered as two large patches to go1.x
applying necessary modifications from the golang-fips/go GitHub
project for the Go crypto library to use OpenSSL as the
external cryptographic library in a FIPS compliant way.
* go1.x-openssl modifies the crypto/* packages to use OpenSSL for
cryptographic operations.
* go1.x-openssl uses dlopen() to call into OpenSSL.
* SUSE RPM packaging introduces a fourth version digit go1.x.y.z
corresponding to the golang-fips/go patchset tagged revision.
* Patchset improvements can be updated independently of upstream
Go maintenance releases.
* Tue Oct 10 2023 jkowalczyk@suse.com
- go1.21.3 (released 2023-10-10) includes a security fix to the
net/http package.
Refs boo#1212475 go1.21 release tracking
CVE-2023-39325 CVE-2023-44487
* go#63427 go#63417 boo#1216109 security: fix CVE-2023-39325 CVE-2023-44487 net/http: rapid stream resets can cause excessive work
* Thu Oct 05 2023 jkowalczyk@suse.com
- go1.21.2 (released 2023-10-05) includes one security fixes to the
cmd/go package, as well as bug fixes to the compiler, the go
command, the linker, the runtime, and the runtime/metrics
package.
Refs boo#1212475 go1.21 release tracking
CVE-2023-39323
* go#63214 go#63211 boo#1215985 security: fix CVE-2023-39323 cmd/go: line directives allows arbitrary execution during build
* go#62464 runtime: "traceback did not unwind completely"
* go#62478 runtime/metrics: /gc/scan* metrics return zero
* go#62505 plugin: variable not initialized properly
* go#62506 cmd/compile: internal compiler error: InvertFlags should never make it to codegen v100 = InvertFlags v123
* go#62509 runtime: scheduler change causes Delve's function call injection to fail intermittently
* go#62537 runtime: "fatal: morestack on g0" with PGO enabled on arm64
* go#62598 cmd/link: issues with Apple's new linker in Xcode 15 beta
* go#62668 cmd/compile: slow to compile 17,000 line switch statement?
* go#62711 cmd/go: TestScript/gotoolchain_path fails if golang.org/dl/go1.21.1 is installed in the user's $PATH
* Wed Sep 06 2023 jkowalczyk@suse.com
- go1.21.1 (released 2023-09-06) includes four security fixes to
the cmd/go, crypto/tls, and html/template packages, as well as
bug fixes to the compiler, the go command, the linker, the
runtime, and the context, crypto/tls, encoding/gob, encoding/xml,
go/types, net/http, os, and path/filepath packages.
Refs boo#1212475 go1.21 release tracking
CVE-2023-39318 CVE-2023-39319 CVE-2023-39320 CVE-2023-39321 CVE-2023-39322
* go#62290 go#62266 boo#1215087 security: fix CVE-2023-39321 CVE-2023-39322 crypto/tls: panic when processing partial post-handshake message in QUICConn.HandleData
* go#62394 go#62198 boo#1215086 security: fix CVE-2023-39320 cmd/go: go.mod toolchain directive allows arbitrary execution
* go#62396 go#62196 boo#1215084 security: fix CVE-2023-39318 html/template: improper handling of HTML-like comments within script contexts
* go#62398 go#62197 boo#1215085 security: fix CVE-2023-39319 html/template: improper handling of special tags within script contexts
* go#61743 go/types: interface.Complete panics for interfaces with duplicate methods
* go#61781 cmd/compile: internal compiler error: 'f': value .autotmp_1 (nil) incorrectly live at entry
* go#61818 cmd/go: panic: runtime error: index out of range [-1] in collectDepsErrors
* go#61821 runtime/internal/wasitest: TestTCPEcho is racy
* go#61868 path/filepath: Clean on some invalid Windows paths can lose .. components
* go#61904 net/http: go 1.20.6 host validation breaks setting Host to a unix socket address
* go#61905 cmd/go: go get/mod tidy panics with internal error: net token acquired but not released
* go#61909 cmd/compile: internal compiler error: missed typecheck
* go#61910 os: ReadDir fails on file systems without File ID support on Windows
* go#61927 cmd/distpack: release archives don't include directory members
* go#61930 spec, go/types, types2: restore Go 1.20 unification when compiling for Go 1.20
* go#61932 go/types, types2: index out of range panic in Checker.arguments
* go#61958 cmd/compile: write barrier code is sometimes preemptible when compiled with -N
* go#61959 go/types, types2: panic: infinite recursion in unification with go1.21.0
* go#61964 os: ReadDir(\\.\pipe\) fails with go1.21 on Windows
* go#61967 crypto/tls: add GODEBUG to control max RSA key size
* go#61987 runtime: simple programs crash on linux/386 with go1.21 when build with -gcflags='all=-N -l'
* go#62019 runtime: execution halts with goroutines stuck in runtime.gopark (protocol error E08 during memory read for packet)
* go#62046 runtime/trace: segfault in runtime.fpTracebackPCs during deferred call after recovering from panic
* go#62051 encoding/xml: incompatible changes in the Go 1.21.0
* go#62057 cmd/compile: internal compiler error: 'F': func F, startMem[b1] has different values
* go#62071 cmd/api: make non-importable
* go#62140 cmd/link: slice bounds out of range
* go#62143 hash/crc32: panic on arm64 with go1.21.0 when indexing slice
* go#62144 cmd/go: locating GOROOT fails when the go command is run from the cross-compiled bin subdirectory
* go#62154 encoding/gob: panic decoding into local type, received remote type
* go#62189 context: misuse of sync.Cond in ExampleAfterFunc_cond
* go#62204 maps: segfault in Clone
* go#62205 cmd/compile: backward incompatible change in Go 1.21 type inference with channels
* go#62222 cmd/go: 'go test -o' may fail with ETXTBSY when running the compiled test
* go#62328 net/http: http client regression building with js/wasm and running on Chrome: net::ERR_H2_OR_QUIC_REQUIRED
* go#62329 runtime: MADV_HUGEPAGE causes stalls when allocating memory
* Tue Sep 05 2023 jkowalczyk@suse.com
- Add missing directory pprof html asset directory to package.
Refs boo#1215090
* src/cmd/vendor/github.com/google/pprof/internal/driver/html/
dir containing html assets is present in upstream Go
distribution but missing from SUSE go1.x packages
* Go programs importing runtime/pprof may fail with error:
/usr/lib64/go/1.21/src/cmd/vendor/github.com/google/pprof/internal/driver/webhtml.go
pattern html: no matching files found
* Reformat adjacent commment in spec file
* Tue Aug 08 2023 jkowalczyk@suse.com
- go1.21 (released 2023-08-08) is a major release of Go.
go1.21.x minor releases will be provided through August 2024.
https://github.com/golang/go/wiki/Go-Release-Cycle
go1.21 arrives six months after go1.20. Most of its changes are
in the implementation of the toolchain, runtime, and libraries.
As always, the release maintains the Go 1 promise of
compatibility. We expect almost all Go programs to continue to
compile and run as before.
Refs boo#1212475 go1.21 release tracking
* Go 1.21 introduces a small change to the numbering of
releases. In the past, we used Go 1.N to refer to both the
overall Go language version and release family as well as the
first release in that family. Starting in Go 1.21, the first
release is now Go 1.N.0. Today we are releasing both the Go
1.21 language and its initial implementation, the Go 1.21.0
release. These notes refer to "Go 1.21"; tools like go version
will report "go1.21.0" (until you upgrade to Go 1.21.1). See
"Go versions" in the "Go Toolchains" documentation for details
about the new version numbering.
* Language change: Go 1.21 adds three new built-ins to the
language.
* Language change: The new functions min and max compute the
smallest (or largest, for max) value of a fixed number of given
arguments. See the language spec for details.
* Language change: The new function clear deletes all elements
from a map or zeroes all elements of a slice. See the language
spec for details.
* Package initialization order is now specified more
precisely. This may change the behavior of some programs that
rely on a specific initialization ordering that was not
expressed by explicit imports. The behavior of such programs
was not well defined by the spec in past releases. The new rule
provides an unambiguous definition.
* Multiple improvements that increase the power and precision of
type inference have been made.
* A (possibly partially instantiated generic) function may now be
called with arguments that are themselves (possibly partially
instantiated) generic functions.
* Type inference now also considers methods when a value is
assigned to an interface: type arguments for type parameters
used in method signatures may be inferred from the
corresponding parameter types of matching methods.
* Similarly, since a type argument must implement all the methods
of its corresponding constraint, the methods of the type
argument and constraint are matched which may lead to the
inference of additional type arguments.
* If multiple untyped constant arguments of different kinds (such
as an untyped int and an untyped floating-point constant) are
passed to parameters with the same (not otherwise specified)
type parameter type, instead of an error, now type inference
determines the type using the same approach as an operator with
untyped constant operands. This change brings the types
inferred from untyped constant arguments in line with the types
of constant expressions.
* Type inference is now precise when matching corresponding types
in assignments
* The description of type inference in the language spec has been
clarified.
* Go 1.21 includes a preview of a language change we are
considering for a future version of Go: making for loop
variables per-iteration instead of per-loop, to avoid
accidental sharing bugs. For details about how to try that
language change, see the LoopvarExperiment wiki page.
* Go 1.21 now defines that if a goroutine is panicking and
recover was called directly by a deferred function, the return
value of recover is guaranteed not to be nil. To ensure this,
calling panic with a nil interface value (or an untyped nil)
causes a run-time panic of type *runtime.PanicNilError.
To support programs written for older versions of Go, nil
panics can be re-enabled by setting GODEBUG=panicnil=1. This
setting is enabled automatically when compiling a program whose
main package is in a module with that declares go 1.20 or
earlier.
* Go 1.21 adds improved support for backwards compatibility and
forwards compatibility in the Go toolchain.
* To improve backwards compatibility, Go 1.21 formalizes Go's use
of the GODEBUG environment variable to control the default
behavior for changes that are non-breaking according to the
compatibility policy but nonetheless may cause existing
programs to break. (For example, programs that depend on buggy
behavior may break when a bug is fixed, but bug fixes are not
considered breaking changes.) When Go must make this kind of
behavior change, it now chooses between the old and new
behavior based on the go line in the workspace's go.work file
or else the main module's go.mod file. Upgrading to a new Go
toolchain but leaving the go line set to its original (older)
Go version preserves the behavior of the older toolchain. With
this compatibility support, the latest Go toolchain should
always be the best, most secure, implementation of an older
version of Go. See "Go, Backwards Compatibility, and GODEBUG"
for details.
* To improve forwards compatibility, Go 1.21 now reads the go
line in a go.work or go.mod file as a strict minimum
requirement: go 1.21.0 means that the workspace or module
cannot be used with Go 1.20 or with Go 1.21rc1. This allows
projects that depend on fixes made in later versions of Go to
ensure that they are not used with earlier versions. It also
gives better error reporting for projects that make use of new
Go features: when the problem is that a newer Go version is
needed, that problem is reported clearly, instead of attempting
to build the code and instead printing errors about unresolved
imports or syntax errors.
* To make these new stricter version requirements easier to
manage, the go command can now invoke not just the toolchain
bundled in its own release but also other Go toolchain versions
found in the PATH or downloaded on demand. If a go.mod or
go.work go line declares a minimum requirement on a newer
version of Go, the go command will find and run that version
automatically. The new toolchain directive sets a suggested
minimum toolchain to use, which may be newer than the strict go
minimum. See "Go Toolchains" for details.
* go command: The -pgo build flag now defaults to -pgo=auto, and
the restriction of specifying a single main package on the
command line is now removed. If a file named default.pgo is
present in the main package's directory, the go command will
use it to enable profile-guided optimization for building the
corresponding program.
* go command: The -C dir flag must now be the first flag on the
command-line when used.
* go command: The new go test option -fullpath prints full path
names in test log messages, rather than just base names.
* go command: The go test -c flag now supports writing test
binaries for multiple packages, each to pkg.test where pkg is
the package name. It is an error if more than one test package
being compiled has a given package name.]
* go command: The go test -o flag now accepts a directory
argument, in which case test binaries are written to that
directory instead of the current directory.
* cgo: In files that import "C", the Go toolchain now correctly
reports errors for attempts to declare Go methods on C types.
* runtime: When printing very deep stacks, the runtime now prints
the first 50 (innermost) frames followed by the bottom 50
(outermost) frames, rather than just printing the first 100
frames. This makes it easier to see how deeply recursive stacks
started, and is especially valuable for debugging stack
overflows.
* runtime: On Linux platforms that support transparent huge
pages, the Go runtime now manages which parts of the heap may
be backed by huge pages more explicitly. This leads to better
utilization of memory: small heaps should see less memory used
(up to 50% in pathological cases) while large heaps should see
fewer broken huge pages for dense parts of the heap, improving
CPU usage and latency by up to 1%.
* runtime: As a result of runtime-internal garbage collection
tuning, applications may see up to a 40% reduction in
application tail latency and a small decrease in memory
use. Some applications may also observe a small loss in
throughput. The memory use decrease should be proportional to
the loss in throughput, such that the previous release's
throughput/memory tradeoff may be recovered (with little change
to latency) by increasing GOGC and/or GOMEMLIMIT slightly.
* runtime: Calls from C to Go on threads created in C require
some setup to prepare for Go execution. On Unix platforms, this
setup is now preserved across multiple calls from the same
thread. This significantly reduces the overhead of subsequent C
to Go calls from ~1-3 microseconds per call to ~100-200
nanoseconds per call.
* compiler: Profile-guide optimization (PGO), added as a preview
in Go 1.20, is now ready for general use. PGO enables
additional optimizations on code identified as hot by profiles
of production workloads. As mentioned in the Go command
section, PGO is enabled by default for binaries that contain a
default.pgo profile in the main package directory. Performance
improvements vary depending on application behavior, with most
programs from a representative set of Go programs seeing
between 2 and 7% improvement from enabling PGO. See the PGO
user guide for detailed documentation.
* compiler: PGO builds can now devirtualize some interface method
calls, adding a concrete call to the most common callee. This
enables further optimization, such as inlining the callee.
* compiler: Go 1.21 improves build speed by up to 6%, largely
thanks to building the compiler itself with PGO.
* assembler: On amd64, frameless nosplit assembly functions are
no longer automatically marked as NOFRAME. Instead, the NOFRAME
attribute must be explicitly specified if desired, which is
already the behavior on other architectures supporting frame
pointers. With this, the runtime now maintains the frame
pointers for stack transitions.
* assembler: The verifier that checks for incorrect uses of R15
when dynamic linking on amd64 has been improved.
* linker: On windows/amd64, the linker (with help from the
compiler) now emits SEH unwinding data by default, which
improves the integration of Go applications with Windows
debuggers and other tools.
* linker: In Go 1.21 the linker (with help from the compiler) is
now capable of deleting dead (unreferenced) global map
variables, if the number of entries in the variable initializer
is sufficiently large, and if the initializer expressions are
side-effect free.
* core library: The new log/slog package provides structured
logging with levels. Structured logging emits key-value pairs
to enable fast, accurate processing of large amounts of log
data. The package supports integration with popular log
analysis tools and services.
* core library: The new testing/slogtest package can help to
validate slog.Handler implementations.
* core library: The new slices package provides many common
operations on slices, using generic functions that work with
slices of any element type.
* core library: The new maps package provides several common
operations on maps, using generic functions that work with maps
of any key or element type.
* core library: The new cmp package defines the type constraint
Ordered and two new generic functions Less and Compare that are
useful with ordered types.
* Minor changes to the library: As always, there are various
minor changes and updates to the library, made with the Go 1
promise of compatibility in mind. There are also various
performance improvements, not enumerated here.
* archive/tar: The implementation of the io/fs.FileInfo interface
returned by Header.FileInfo now implements a String method that
calls io/fs.FormatFileInfo.
* archive/zip: The implementation of the io/fs.FileInfo interface
returned by FileHeader.FileInfo now implements a String method
that calls io/fs.FormatFileInfo.
* archive/zip: The implementation of the io/fs.DirEntry interface
returned by the io/fs.ReadDirFile.ReadDir method of the
io/fs.File returned by Reader.Open now implements a String
method that calls io/fs.FormatDirEntry.
* bytes: The Buffer type has two new methods: Available and
AvailableBuffer. These may be used along with the Write method
to append directly to the Buffer.
* context: The new WithoutCancel function returns a copy of a
context that is not canceled when the original context is
canceled.
* context: The new WithDeadlineCause and WithTimeoutCause
functions provide a way to set a context cancellation cause
when a deadline or timer expires. The cause may be retrieved
with the Cause function.
* context: The new AfterFunc function registers a function to run
after a context has been cancelled.
* context: An optimization means that the results of calling
Background and TODO and converting them to a shared type can be
considered equal. In previous releases they were always
different. Comparing Context values for equality has never been
well-defined, so this is not considered to be an incompatible
change.
* crypto/ecdsa: PublicKey.Equal and PrivateKey.Equal now execute
in constant time.
* crypto/elliptic: All of the Curve methods have been deprecated,
along with GenerateKey, Marshal, and Unmarshal. For ECDH
operations, the new crypto/ecdh package should be used
instead. For lower-level operations, use third-party modules
such as filippo.io/nistec.
* crypto/rand: The crypto/rand package now uses the getrandom
system call on NetBSD 10.0 and later.
* crypto/rsa: The performance of private RSA operations
(decryption and signing) is now better than Go 1.19 for
GOARCH=amd64 and GOARCH=arm64. It had regressed in Go 1.20.
* crypto/rsa: Due to the addition of private fields to
PrecomputedValues, PrivateKey.Precompute must be called for
optimal performance even if deserializing (for example from
JSON) a previously-precomputed private key.
* crypto/rsa: PublicKey.Equal and PrivateKey.Equal now execute in
constant time.
* crypto/rsa: The GenerateMultiPrimeKey function and the
PrecomputedValues.CRTValues field have been
deprecated. PrecomputedValues.CRTValues will still be populated
when PrivateKey.Precompute is called, but the values will not
be used during decryption operations.
* crypto/sha256: SHA-224 and SHA-256 operations now use native
instructions when available when GOARCH=amd64, providing a
performance improvement on the order of 3-4x.
* crypto/tls: Servers now skip verifying client certificates
(including not running Config.VerifyPeerCertificate) for
resumed connections, besides checking the expiration time. This
makes session tickets larger when client certificates are in
use. Clients were already skipping verification on resumption,
but now check the expiration time even if
Config.InsecureSkipVerify is set.
* crypto/tls: Applications can now control the content of session
tickets.
* crypto/tls: The new SessionState type describes a resumable
session.
* crypto/tls: The SessionState.Bytes method and ParseSessionState
function serialize and deserialize a SessionState.
* crypto/tls: The Config.WrapSession and Config.UnwrapSession
hooks convert a SessionState to and from a ticket on the server
side.
* crypto/tls: The Config.EncryptTicket and Config.DecryptTicket
methods provide a default implementation of WrapSession and
UnwrapSession.
* crypto/tls: The ClientSessionState.ResumptionState method and
NewResumptionState function may be used by a ClientSessionCache
implementation to store and resume sessions on the client side.
* crypto/tls: To reduce the potential for session tickets to be
used as a tracking mechanism across connections, the server now
issues new tickets on every resumption (if they are supported
and not disabled) and tickets don't bear an identifier for the
key that encrypted them anymore. If passing a large number of
keys to Conn.SetSessionTicketKeys, this might lead to a
noticeable performance cost.
* crypto/tls: Both clients and servers now implement the Extended
Master Secret extension (RFC 7627). The deprecation of
ConnectionState.TLSUnique has been reverted, and is now set for
resumed connections that support Extended Master Secret.
* crypto/tls: The new QUICConn type provides support for QUIC
implementations, including 0-RTT support. Note that this is not
itself a QUIC implementation, and 0-RTT is still not supported
in TLS.
* crypto/tls: The new VersionName function returns the name for a
TLS version number.
* crypto/tls: The TLS alert codes sent from the server for client
authentication failures have been improved. Previously, these
failures always resulted in a "bad certificate" alert. Now,
certain failures will result in more appropriate alert codes,
as defined by RFC 5246 and RFC 8446:
* crypto/tls: For TLS 1.3 connections, if the server is
configured to require client authentication using
RequireAnyClientCert or RequireAndVerifyClientCert, and the
client does not provide any certificate, the server will now
return the "certificate required" alert.
* crypto/tls: If the client provides a certificate that is not
signed by the set of trusted certificate authorities configured
on the server, the server will return the "unknown certificate
authority" alert.
* crypto/tls: If the client provides a certificate that is either
expired or not yet valid, the server will return the "expired
certificate" alert.
* crypto/tls: In all other scenarios related to client
authentication failures, the server still returns "bad
certificate".
* crypto/x509: RevocationList.RevokedCertificates has been
deprecated and replaced with the new RevokedCertificateEntries
field, which is a slice of RevocationListEntry.
RevocationListEntry contains all of the fields in
pkix.RevokedCertificate, as well as the revocation reason code.
* crypto/x509: Name constraints are now correctly enforced on
non-leaf certificates, and not on the certificates where they
are expressed.
* debug/elf: The new File.DynValue method may be used to retrieve
the numeric values listed with a given dynamic tag.
* debug/elf: The constant flags permitted in a DT_FLAGS_1 dynamic
tag are now defined with type DynFlag1. These tags have names
starting with DF_1.
* debug/elf: The package now defines the constant COMPRESS_ZSTD.
* debug/elf: The package now defines the constant
R_PPC64_REL24_P9NOTOC.
* debug/pe: Attempts to read from a section containing
uninitialized data using Section.Data or the reader returned by
Section.Open now return an error.
* embed: The io/fs.File returned by FS.Open now has a ReadAt
method that implements io.ReaderAt.
* embed: Calling FS.Open.Stat will return a type that now
implements a String method that calls io/fs.FormatFileInfo.
* errors: The new ErrUnsupported error provides a standardized
way to indicate that a requested operation may not be performed
because it is unsupported. For example, a call to os.Link when
using a file system that does not support hard links.
* flag: The new BoolFunc function and FlagSet.BoolFunc method
define a flag that does not require an argument and calls a
function when the flag is used. This is similar to Func but for
a boolean flag.
* flag: A flag definition (via Bool, BoolVar, Int, IntVar, etc.)
will panic if Set has already been called on a flag with the
same name. This change is intended to detect cases where
changes in initialization order cause flag operations to occur
in a different order than expected. In many cases the fix to
this problem is to introduce a explicit package dependence to
correctly order the definition before any Set operations.
* go/ast: The new IsGenerated predicate reports whether a file
syntax tree contains the special comment that conventionally
indicates that the file was generated by a tool.
* go/ast: The new File.GoVersion field records the minimum Go
version required by any //go:build or // +build directives.
* go/build: The package now parses build directives (comments
that start with //go:) in file headers (before the package
declaration). These directives are available in the new Package
fields Directives, TestDirectives, and XTestDirectives.
* go/build/constraint: The new GoVersion function returns the
minimum Go version implied by a build expression.
* go/token: The new File.Lines method returns the file's
line-number table in the same form as accepted by
File.SetLines.
* go/types: The new Package.GoVersion method returns the Go
language version used to check the package.
* hash/maphash: The hash/maphash package now has a pure Go
implementation, selectable with the purego build tag.
* html/template: The new error ErrJSTemplate is returned when an
action appears in a JavaScript template literal. Previously an
unexported error was returned.
* io/fs: The new FormatFileInfo function returns a formatted
version of a FileInfo. The new FormatDirEntry function returns
a formatted version of a DirEntry. The implementation of
DirEntry returned by ReadDir now implements a String method
that calls FormatDirEntry, and the same is true for the
DirEntry value passed to WalkDirFunc.
* math/big: The new Int.Float64 method returns the nearest
floating-point value to a multi-precision integer, along with
an indication of any rounding that occurred.
* net: On Linux, the net package can now use Multipath TCP when
the kernel supports it. It is not used by default. To use
Multipath TCP when available on a client, call the
Dialer.SetMultipathTCP method before calling the Dialer.Dial or
Dialer.DialContext methods. To use Multipath TCP when available
on a server, call the ListenConfig.SetMultipathTCP method
before calling the ListenConfig.Listen method. Specify the
network as "tcp" or "tcp4" or "tcp6" as usual. If Multipath TCP
is not supported by the kernel or the remote host, the
connection will silently fall back to TCP. To test whether a
particular connection is using Multipath TCP, use the
TCPConn.MultipathTCP method.
* net: In a future Go release we may enable Multipath TCP by
default on systems that support it.
* net/http: The new ResponseController.EnableFullDuplex method
allows server handlers to concurrently read from an HTTP/1
request body while writing the response. Normally, the HTTP/1
server automatically consumes any remaining request body before
starting to write the response, to avoid deadlocking clients
which attempt to write a complete request before reading the
response. The EnableFullDuplex method disables this behavior.
* net/http: The new ErrSchemeMismatch error is returned by Client
and Transport when the server responds to an HTTPS request with
an HTTP response.
* net/http: The net/http package now supports
errors.ErrUnsupported, in that the expression
errors.Is(http.ErrNotSupported, errors.ErrUnsupported) will
return true.
* os: Programs may now pass an empty time.Time value to the
Chtimes function to leave either the access time or the
modification time unchanged.
* os: On Windows the File.Chdir method now changes the current
directory to the file, rather than always returning an error.
* os: On Unix systems, if a non-blocking descriptor is passed to
NewFile, calling the File.Fd method will now return a
non-blocking descriptor. Previously the descriptor was
converted to blocking mode.
* os: On Windows calling Truncate on a non-existent file used to
create an empty file. It now returns an error indicating that
the file does not exist.
* os: On Windows calling TempDir now uses GetTempPath2W when
available, instead of GetTempPathW. The new behavior is a
security hardening measure that prevents temporary files
created by processes running as SYSTEM to be accessed by
non-SYSTEM processes.
* os: On Windows the os package now supports working with files
whose names, stored as UTF-16, can't be represented as valid
UTF-8.
* os: On Windows Lstat now resolves symbolic links for paths
ending with a path separator, consistent with its behavior on
POSIX platforms.
* os: The implementation of the io/fs.DirEntry interface returned
by the ReadDir function and the File.ReadDir method now
implements a String method that calls io/fs.FormatDirEntry.
* os: The implementation of the io/fs.FS interface returned by
the DirFS function now implements the io/fs.ReadFileFS and the
io/fs.ReadDirFS interfaces.
* path/filepath: The implementation of the io/fs.DirEntry
interface passed to the function argument of WalkDir now
implements a String method that calls io/fs.FormatDirEntry.
* reflect: In Go 1.21, ValueOf no longer forces its argument to
be allocated on the heap, allowing a Value's content to be
allocated on the stack. Most operations on a Value also allow
the underlying value to be stack allocated.
* reflect: The new Value method Value.Clear clears the contents
of a map or zeros the contents of a slice. This corresponds to
the new clear built-in added to the language.
* reflect: The SliceHeader and StringHeader types are now
deprecated. In new code prefer unsafe.Slice, unsafe.SliceData,
unsafe.String, or unsafe.StringData.
* regexp: Regexp now defines MarshalText and UnmarshalText
methods. These implement encoding.TextMarshaler and
encoding.TextUnmarshaler and will be used by packages such as
encoding/json.
* runtime: Textual stack traces produced by Go programs, such as
those produced when crashing, calling runtime.Stack, or
collecting a goroutine profile with debug=2, now include the
IDs of the goroutines that created each goroutine in the stack
trace.
* runtime: Crashing Go applications can now opt-in to Windows
Error Reporting (WER) by setting the environment variable
GOTRACEBACK=wer or calling debug.SetTraceback("wer") before the
crash. Other than enabling WER, the runtime will behave as with
GOTRACEBACK=crash. On non-Windows systems, GOTRACEBACK=wer is
ignored.
* runtime: GODEBUG=cgocheck=2, a thorough checker of cgo pointer
passing rules, is no longer available as a debug
option. Instead, it is available as an experiment using
GOEXPERIMENT=cgocheck2. In particular this means that this mode
has to be selected at build time instead of startup time.
* runtime: GODEBUG=cgocheck=1 is still available (and is still
the default).
* runtime: A new type Pinner has been added to the runtime
package. Pinners may be used to "pin" Go memory such that it
may be used more freely by non-Go code. For instance, passing
Go values that reference pinned Go memory to C code is now
allowed. Previously, passing any such nested reference was
disallowed by the cgo pointer passing rules. See the docs for
more details.
* runtime/metrics: A few previously-internal GC metrics, such as
live heap size, are now available. GOGC and GOMEMLIMIT are also
now available as metrics.
* runtime/trace: Collecting traces on amd64 and arm64 now incurs
a substantially smaller CPU cost: up to a 10x improvement over
the previous release.
* runtime/trace: Traces now contain explicit stop-the-world
events for every reason the Go runtime might stop-the-world,
not just garbage collection.
* sync: The new OnceFunc, OnceValue, and OnceValues functions
capture a common use of Once to lazily initialize a value on
first use.
* syscall: On Windows the Fchdir function now changes the current
directory to its argument, rather than always returning an
error.
* syscall: On FreeBSD SysProcAttr has a new field Jail that may
be used to put the newly created process in a jailed
environment.
* syscall: On Windows the syscall package now supports working
with files whose names, stored as UTF-16, can't be represented
as valid UTF-8. The UTF16ToString and UTF16FromString functions
now convert between UTF-16 data and WTF-8 strings. This is
backward compatible as WTF-8 is a superset of the UTF-8 format
that was used in earlier releases.
* syscall: Several error values match the new
errors.ErrUnsupported, such that errors.Is(err,
errors.ErrUnsupported) returns true.
ENOSYS
ENOTSUP
EOPNOTSUPP
EPLAN9 (Plan 9 only)
ERROR_CALL_NOT_IMPLEMENTED (Windows only)
ERROR_NOT_SUPPORTED (Windows only)
EWINDOWS (Windows only)
* testing: The new -test.fullpath option will print full path
names in test log messages, rather than just base names.
* testing: The new Testing function reports whether the program
is a test created by go test.
* testing/fstest: Calling Open.Stat will return a type that now
implements a String method that calls io/fs.FormatFileInfo.
* unicode: The unicode package and associated support throughout
the system has been upgraded to Unicode 15.0.0.
* Darwin port: As announced in the Go 1.20 release notes, Go 1.21
requires macOS 10.15 Catalina or later; support for previous
versions has been discontinued.
* Windows port: As announced in the Go 1.20 release notes, Go
1.21 requires at least Windows 10 or Windows Server 2016;
support for previous versions has been discontinued.
* WebAssembly port: The new go:wasmimport directive can now be
used in Go programs to import functions from the WebAssembly
host.
* WebAssembly port: The Go scheduler now interacts much more
efficiently with the JavaScript event loop, especially in
applications that block frequently on asynchronous events.
* WebAssembly System Interface port: Go 1.21 adds an experimental
port to the WebAssembly System Interface (WASI), Preview 1
(GOOS=wasip1, GOARCH=wasm).
* WebAssembly System Interface port: As a result of the addition
of the new GOOS value "wasip1", Go files named *_wasip1.go will
now be ignored by Go tools except when that GOOS value is being
used. If you have existing filenames matching that pattern, you
will need to rename them.
* ppc64/ppc64le port: On Linux, GOPPC64=power10 now generates
PC-relative instructions, prefixed instructions, and other new
Power10 instructions. On AIX, GOPPC64=power10 generates Power10
instructions, but does not generate PC-relative instructions.
* ppc64/ppc64le port: When building position-independent binaries
for GOPPC64=power10 GOOS=linux GOARCH=ppc64le, users can expect
reduced binary sizes in most cases, in some cases
3.5%. Position-independent binaries are built for ppc64le with
the following -buildmode values: c-archive, c-shared, shared,
pie, plugin.
* loong64 port: The linux/loong64 port now supports
- buildmode=c-archive, -buildmode=c-shared and -buildmode=pie.
* Wed Aug 02 2023 jkowalczyk@suse.com
- go1.21rc4 (released 2023-08-02) is a release candidate version of
go1.21 cut from the master branch at the revision tagged
go1.21rc4.
Refs boo#1212475 go1.21 release tracking
* Fri Jul 14 2023 jkowalczyk@suse.com
- go1.21rc3 (released 2023-07-14) is a release candidate version of
go1.21 cut from the master branch at the revision tagged
go1.21rc3.
Refs boo#1212475 go1.21 release tracking
* Fri Jun 23 2023 jkowalczyk@suse.com
- go1.21+ change default GOTOOLCHAIN=auto to local to prevent go
tool commands from downloading upstream go1.x toolchain binaries
Refs boo#1212669
* go1.21+ introduce new default behavior that can download
additional versions of go1.x toolchain binaries built by
upstream. See https://go.dev/doc/toolchain for details. The go
tool would attempt toolchain downloads as needed to satisfy a
minimum go version specified in go.mod of the program
containing main() or any of its dependencies.
* Builds in OBS can not access the network, download attempts
would fail.
* Builds in OBS should not use third party binary toolchains.
* When GOTOOLCHAIN is set to local, the go command always runs
the bundled Go toolchain.
* Users can override the default GOTOOLCHAIN setting with
go env -w, stored in in ~/.config/go/env.
* Fri Jun 23 2023 jkowalczyk@suse.com
- Add missing go.env to package. go.env sets defaults including:
GOPROXY GOSUMDB GOTOOLCHAIN
Refs boo#1212667
* Starting in go1.21+ a missing go.env defaults to GOPROXY=''
resulting in errors e.g. with online cmds e.g. go mod download:
"GOPROXY list is not the empty string, but contains no entries"
It is not clear why GOPROXY='' is not evaluated as "the empty
string".
* Wed Jun 21 2023 jkowalczyk@suse.com
- go1.21rc2 (released 2023-06-21) is a release candidate version of
go1.21 cut from the master branch at the revision tagged
go1.21rc2. https://go.dev/blog/go1.21rc
Refs boo#1212475 go1.21 release tracking
* Fri Jun 16 2023 jkowalczyk@suse.com
- go1.21rc1 (released 2023-06-16) is a release candidate version of
go1.21 cut from the master branch at the revision tagged
go1.21rc1.
Refs boo#1212475 go1.21 release tracking
/usr/share/go/1.21-openssl/src/runtime/race/race_linux_ppc64le.syso
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