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| Name: go1.19-libstd | Distribution: SUSE Linux Framework One |
| Version: 1.19.13 | Vendor: SUSE LLC <https://www.suse.com/> |
| Release: slfo.1.2.2 | Build date: Tue Feb 27 12:32:47 2024 |
| Group: Development/Languages/Go | Build host: reproducible |
| Size: 40726160 | Source RPM: go1.19-1.19.13-slfo.1.2.2.src.rpm |
| Packager: https://www.suse.com/ | |
| Url: https://go.dev/ | |
| Summary: Go compiled shared library libstd.so | |
Go standard library compiled to a dynamically loadable shared object libstd.so
BSD-3-Clause
* Tue Feb 27 2024 dimstar@opensuse.org
- Use %patch -P N instead of deprecated %patchN.
* Wed Sep 06 2023 jkowalczyk@suse.com
- go1.19.13 (released 2023-09-06) includes fixes to the go command,
and the crypto/tls and net/http packages.
Refs boo#1200441 go1.19 release tracking
* go#61197 cmd/go: extended forwards compatibility for Go
* go#61825 net/http: go 1.20.6 host validation breaks setting Host to a unix socket address
* go#61968 crypto/tls: add GODEBUG to control max RSA key size
* 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 01 2023 jkowalczyk@suse.com
- go1.19.12 (released 2023-08-01) includes a security fix to the
crypto/tls package, as well as bug fixes to the assembler and the
compiler.
Refs boo#1200441 go1.19 release tracking
CVE-2023-29409
* go#61579 go#61460 boo#1213880 security: fix CVE-2023-29409 crypto/tls: restrict RSA keys in certificates to <= 8192 bits
* go#61319 cmd/compile: ppc64le: sign extension issue in go 1.21rc2
* go#61448 net: TestInterfaceArrivalAndDepartureZoneCache is broken on linux-arm64
* go#61470 cmd/compile: failed to make Go on riscv64 CPU with numa
* Tue Jul 11 2023 jkowalczyk@suse.com
- go1.19.11 (released 2023-07-11) includes a security fix to the
net/http package, as well as bug fixes to cgo, the cover tool,
the go command, the runtime, and the go/printer package.
Refs boo#1200441 go1.19 release tracking
CVE-2023-29406
* go#61075 go#60374 boo#1213229 security: fix CVE-2023-29406 net/http: insufficient sanitization of Host header
* go#60351 cmd/go: go mod tidy introduces ambiguous imports in pruned modules
* go#60637 cmd/pprof: skip TestDisasm flaky failures on linux/arm64
* go#60697 cmd/go: go list fails with submodules which have test-only dependencies
* go#60710 cmd/go: go list -export -e outputs errors to stderr and has non-zero exit code
* go#60844 runtime: SIGSEGV in race + coverage mode
* go#60948 runtime: goroutines that stop after calling runtime.RaceDisable break race detector
* go#61054 runtime: TestWindowsStackMemory flakes on windows-386-2016
* Tue Jun 06 2023 jkowalczyk@suse.com
- go1.19.10 (released 2023-06-06) includes four security fixes to
the cmd/go and runtime packages, as well as bug fixes to the
compiler, the go command, and the runtime.
Refs boo#1200441 go1.19 release tracking
CVE-2023-29402 CVE-2023-29403 CVE-2023-29404 CVE-2023-29405
* go#60515 go#60167 boo#1212073 security: fix CVE-2023-29402 cmd/go: cgo code injection
* go#60517 go#60272 boo#1212074 security: fix CVE-2023-29403 runtime: unexpected behavior of setuid/setgid binaries
* go#60511 go#60305 boo#1212075 security: fix CVE-2023-29404 cmd/go: improper sanitization of LDFLAGS
* go#60513 go#60306 boo#1212076 security: fix CVE-2023-29405 cmd/go: improper sanitization of LDFLAGS
* go#59974 cmd/compile: multiple memories live at block start
* go#60000 cmd/go: missing checksums for dependencies of go get arguments and tests of external dependencies
* go#60457 cmd/go: document GOROOT/bin/go PATH entry for go test and go generate
* Wed May 03 2023 jkowalczyk@suse.com
- Revert re-enable binary stripping and debuginfo boo#1210938.
go1.19 and earlier store pre-compiled packages in $GOROOT/pkg as
Go .a files which are not ar archives. These .a are incorrectly
passed to strip by brp-15-strip-debug. strip incorrectly modifies
Go .a files rendering them invalid. Some Go applications fail to
build with "reference to nonexistent package" errors.
Refs boo#1210938 boo#1211073
* go1.19 and earlier store pre-compiled packages for the standard
library as .a files under pkg/GOARCH[_{dynlink,race}].
* Go emitted .a files are a Go specific format, not ar archives.
* go1.10+ stores recently built packages in build cache GOCACHE.
These are separate from the installed packages in $GOROOT/pkg.
* Go build cache objects use a different file format than Go .a.
* go1.20+ switches to the GOCACHE for both recently built
packages and the installed packages in $GOROOT/pkg.
* Current versions of readelf detect Go .a files correctly, e.g.:
readelf -d /usr/lib64/go/1.19/pkg/linux_amd64/bytes.a
File: /usr/lib64/go/1.19/pkg/linux_amd64/bytes.a(__.PKGDEF )
readelf: Error: This is a GO binary file - try using 'go tool objdump' or 'go tool nm'
* binutils strip as of 2.40 detects Go .a files correctly, but
incorrectly modifies the .a files altering path resulting in
"reference to nonexistent package" errors.
* brp_check_suse/brp-15-strip-debug passes files to strip based
primarily on the file extension including .a.
* Tue May 02 2023 jkowalczyk@suse.com
- go1.19.9 (released 2023-05-02) includes three security fixes to
the html/template package, as well as bug fixes to the compiler,
the runtime, and the crypto/tls and syscall packages.
Refs boo#1200441 go1.19 release tracking
CVE-2023-29400 CVE-2023-24540 CVE-2023-24539
* go#59811 go#59720 boo#1211029 security: fix CVE-2023-24539 html/template: improper sanitization of CSS values
* go#59813 go#59721 boo#1211030 security: fix CVE-2023-24540 html/template: improper handling of JavaScript whitespace
* go#59815 go#59722 boo#1211031 security: fix CVE-2023-29400 html/template: improper handling of empty HTML attributes
* go#59063 runtime: automatically bump RLIMIT_NOFILE on Unix
* go#59158 cmd/compile: inlining function that references function literals generates bad code
* go#59373 cmd/compile: encoding/binary.PutUint16 sometimes doesn't write
* go#59539 crypto/tls: TLSv1.3 connection fails with invalid PSK binder
* go#59579 cmd/compile: incorrect inline function variable
* Tue May 02 2023 jkowalczyk@suse.com
- Packaging revert go1.x Suggests go1.x-race boo#1210963
* Upstream go binary distributions do include race detector .syso
* Default Recommends for subpackages is best suited in this case
* Fri Apr 28 2023 jkowalczyk@suse.com
- Packaging improvements:
* Re-enable binary stripping and debuginfo boo#1210938
* go1.x Suggests go1.x-race do not install by default boo#1210963
* Use Group: Development/Languages/Go instead of Other
* Fri Apr 14 2023 jkowalczyk@suse.com
- Build subpackage go1.1x-libstd compiled shared object libstd.so
only on Tumbleweed at this time.
Refs jsc#PED-1962
* Fri Apr 14 2023 jkowalczyk@suse.com
- Add subpackage go1.x-libstd for compiled shared object libstd.so.
Refs jsc#PED-1962
* Main go1.x package included libstd.so in previous versions
* Split libstd.so into subpackage that can be installed standalone
* Continues the slimming down of main go1.x package by 40 Mb
* Experimental and not recommended for general use, Go currently has no ABI
* Upstream Go has not committed to support buildmode=shared long-term
* Do not use in packaging, build static single binaries (the default)
* Upstream Go go1.x binary releases do not include libstd.so
* go1.x Suggests go1.x-libstd so not installed by default Recommends
* go1.x-libstd does not Require: go1.x so can install standalone
* Provides go-libstd unversioned package name
* Fix build step -buildmode=shared std to omit -linkshared
- Packaging improvements:
* go1.x Suggests go1.x-doc so not installed by default Recommends
* Use Group: Development/Languages/Go instead of Other
* Fri Apr 14 2023 jkowalczyk@suse.com
- Improvements to go1.x packaging spec:
* On Tumbleweed bootstrap with current default gcc13 and gccgo118
* On SLE-12 aarch64 ppc64le ppc64 remove overrides to bootstrap
using go1.x package (%bcond_without gccgo). This is no longer
needed on current SLE-12:Update and removing will consolidate
the build configurations used.
* Change source URLs to go.dev as per Go upstream
* On x86_64 export GOAMD64=v1 as per the current baseline.
At this time forgo GOAMD64=v3 option for x86_64_v3 support.
* On x86_64 %define go_amd64=v1 as current instruction baseline
* Thu Apr 13 2023 mliska@suse.cz
- Use gcc13 compiler for Tumbleweed.
* Tue Apr 04 2023 jkowalczyk@suse.com
- go1.19.8 (released 2023-04-04) includes security fixes to the
go/parser, html/template, mime/multipart, net/http, and
net/textproto packages, as well as bug fixes to the linker, the
runtime, and the time package.
Refs boo#1200441 go1.19 release tracking
CVE-2023-24534 CVE-2023-24536 CVE-2023-24537 CVE-2023-24538
* go#59267 go#58975 boo#1210127 security: fix CVE-2023-24534 net/http, net/textproto: denial of service from excessive memory allocation
* go#59269 go#59153 boo#1210128 security: fix CVE-2023-24536 net/http, net/textproto, mime/multipart: denial of service from excessive resource consumption
* go#59273 go#59180 boo#1210129 security: fix CVE-2023-24537 go/parser: infinite loop in parsing
* go#59271 go#59234 boo#1210130 security: fix CVE-2023-24538 html/template: backticks not treated as string delimiters
* go#58937 cmd/go: timeout on darwin-amd64-race builder
* go#58939 runtime/pprof: TestLabelSystemstack due to sample with no location
* go#58941 internal/testpty: fails on some Linux machines due to incorrect error handling
* go#59050 cmd/link: linker fails on linux/amd64 when gcc's lto options are used
* go#59058 cmd/link/internal/arm: off-by-one error in trampoline phase call reachability calculation
* go#59074 time: time zone lookup using extend string makes wrong start time for non-DST zones
* go#59219 runtime: crash on linux-ppc64le
* Tue Mar 07 2023 jkowalczyk@suse.com
- go1.19.7 (released 2023-03-07) includes a security fix to the
crypto/elliptic package, as well as bug fixes to the linker, the
runtime, and the crypto/x509 and syscall packages.
Refs boo#1200441 go1.19 release tracking
CVE-2023-24532
* go#58719 go#58647 boo#1209030 security: fix CVE-2023-24532 crypto/elliptic: specific unreduced P-256 scalars produce incorrect results
* go#58441 runtime: some linkname signatures do not match
* go#58502 cmd/link: relocation truncated to fit: R_ARM_CALL against `runtime.duffcopy'
* go#58535 runtime: long latency of sweep assists
* go#58716 net: TestTCPSelfConnect failures due to unexpected connections
* go#58773 syscall: Environ uses an invalid unsafe.Pointer conversion on Windows
* go#58810 crypto/x509: TestSystemVerify consistently failing
* Tue Feb 14 2023 jkowalczyk@suse.com
- go1.19.6 (released 2023-02-14) includes security fixes to the
crypto/tls, mime/multipart, net/http, and path/filepath packages,
as well as bug fixes to the go command, the linker, the runtime,
and the crypto/x509, net/http, and time packages.
Refs boo#1200441 go1.19 release tracking
CVE-2022-41722 CVE-2022-41723 CVE-2022-41724 CVE-2022-41725
* go#57275 boo#1208269 security: fix CVE-2022-41722
* go#58355 boo#1208270 security: fix CVE-2022-41723
* go#58358 boo#1208271 security: fix CVE-2022-41724
* go#58362 boo#1208272 security: fix CVE-2022-41725
* go#56154 net/http: bad handling of HEAD requests with a body
* go#57635 crypto/x509: TestBoringAllowCert failures
* go#57812 runtime: performance regression due to bad instruction used in morestack_noctxt for ppc64 in CL 425396
* go#58118 time: update zoneinfo_abbrs on Windows
* go#58223 cmd/link: .go.buildinfo is gc'ed by --gc-sections
* go#58449 cmd/go/internal/modfetch: TestCodeRepo/gopkg.in_natefinch_lumberjack.v2/latest failing
* Tue Jan 10 2023 jkowalczyk@suse.com
- go1.19.5 (released 2023-01-10) includes fixes to the compiler,
the linker, and the crypto/x509, net/http, sync/atomic, and
syscall packages.
Refs boo#1200441 go1.19 release tracking
* go#57706 Misc/cgo: backport needed for dlltool fix
* go#57556 crypto/x509: re-allow duplicate attributes in CSRs
* go#57444 cmd/link: need to handle new-style LoongArch relocs
* go#57427 crypto/x509: Verify on macOS does not return typed errors
* go#57345 cmd/compile: the loong64 intrinsic for CompareAndSwapUint32 function needs to sign extend its "old" argument.
* go#57339 syscall, internal/poll: accept4-to-accept fallback removal broke Go code on Synology DSM 6.2 ARM devices
* go#57214 os: TestLstat failure on Linux Aarch64
* go#57212 reflect: sort.SliceStable sorts incorrectly on arm64 with less function created with reflect.MakeFunc and slice of sufficient length
* go#57124 sync/atomic: allow linked lists of atomic.Pointer
* go#57100 cmd/compile: non-retpoline-compatible errors
* go#57058 cmd/go: remove test dependency on gopkg.in service
* go#57055 cmd/go: TestScript/version_buildvcs_git_gpg (if enabled) fails on linux longtest builders
* go#56983 runtime: failure in TestRaiseException on windows-amd64-2012
* go#56834 cmd/link/internal/ppc64: too-far trampoline is reused
* go#56770 cmd/compile: walkConvInterface produces broken IR
* go#56744 cmd/compile: internal compiler error: missing typecheck
* go#56712 net: reenable TestLookupDotsWithRemoteSource and TestLookupGoogleSRV with a different target
* go#56154 net/http: bad handling of HEAD requests with a body
* Tue Dec 06 2022 jkowalczyk@suse.com
- go1.19.4 (released 2022-12-06) includes security fixes to the
net/http and os packages, as well as bug fixes to the compiler,
the runtime, and the crypto/x509, os/exec, and sync/atomic
packages.
Refs boo#1200441 go1.19 release tracking
CVE-2022-41717 CVE-2022-41720
* go#57009 boo#1206135 security: fix CVE-2022-41717 net/http: limit canonical header cache by bytes, not entries
* go#57006 boo#1206134 security: fix CVE-2022-41720 os, net/http: avoid escapes from os.DirFS and http.Dir on Windows
* go#56752 runtime,cmd/compile: apparent memory corruption in compress/flate
* go#56710 net: builders failing TestLookupDotsWithRemoteSource and TestLookupGoogleSRV due to missing host for _xmpp-server._tcp.google.com
* go#56672 crypto/tls: boringcrypto restricts RSA key sizes to 2048 and 3072
* go#56638 sync/atomic: atomic.Pointer[T] can be misused with type conversions.
* go#56636 runtime: traceback stuck in runtime.systemstack
* go#56557 cmd/compile: some x/sys versions no longer build due to "go:linkname must refer to declared function or variable"
* go#56551 os/exec: Plan 9 build has been broken by a Windows security fix (also breaks 1.19.3 and 1.18.8)
* go#56438 crypto/x509: respect GODEBUG changes during program lifetime
* go#56397 runtime: on linux/PPC64, usleep computes incorrect tv_nsec parameter
* go#56360 cmd/compile: panic: offset too large
* Tue Nov 01 2022 jkowalczyk@suse.com
- go1.19.3 (released 2022-11-01) includes security fixes to the
os/exec and syscall packages, as well as bug fixes to the
compiler and the runtime.
Refs boo#1200441 go1.19 release tracking
CVE-2022-41716
* go#56328 boo#1204941 security: fix CVE-2022-41716 syscall, os/exec: unsanitized NUL in environment variables
* go#56309 runtime: "runtime·lock: lock count" fatal error when cgo is enabled
* go#56168 cmd/compile: libFuzzer instrumentation fakePC overflow on 386 arch
* go#56106 internal/fuzz: array literal initialization causes ICE "unhandled stmt ASOP" while fuzzing
* Tue Oct 04 2022 jkowalczyk@suse.com
- go1.19.2 (released 2022-10-04) includes security fixes to the
archive/tar, net/http/httputil, and regexp packages, as well as
bug fixes to the compiler, the linker, the runtime, and the
go/types package.
Refs boo#1200441 go1.19 release tracking
CVE-2022-41715 CVE-2022-2879 CVE-2022-2880
* go#55951 boo#1204023 security: fix CVE-2022-41715 regexp/syntax: limit memory used by parsing regexps
* go#55926 boo#1204024 security: fix CVE-2022-2879 archive/tar: unbounded memory consumption when reading headers
* go#55843 boo#1204025 security: fix CVE-2022-2880 net/http/httputil: ReverseProxy should not forward unparseable query parameters
* go#55270 cmd/compile: internal compiler error: method Len on *uint8 not found
* go#55152 cmd/compile: typebits.Set: invalid initial alignment: type Peer has alignment 8, but offset is 4
* go#55149 go/types: no way to construct the signature of append(s, "string"...) via the API
* go#55124 fatal error: bulkBarrierPreWrite: unaligned arguments (go 1.19.1, looks like regression)
* go#55114 cmd/link: new darwin linker warning on -pagezero_size and -no_pie deprecation
* go#54917 cmd/compile: Value live at entry
* go#54764 runtime/cgo(.text): unknown symbol __stack_chk_fail_local in pcrel (regression in 1.19 when building for i686)
* Tue Sep 06 2022 jkowalczyk@suse.com
- go1.19.1 (released 2022-09-06) includes security fixes to the
net/http and net/url packages, as well as bug fixes to the
compiler, the go command, the pprof command, the linker, the
runtime, and the crypto/tls and crypto/x509 packages.
Refs boo#1200441 go1.19 release tracking
CVE-2022-27664 CVE-2022-32190
* go#54376 bsc#1203185 CVE-2022-27664 net/http: handle server errors after sending GOAWAY
* go#54635 bsc#1203186 CVE-2022-32190 net/url: JoinPath doesn't strip relative path components in all circumstances
* go#54736 cmd/go: cannot find package when importing dependencies with the unix build constraint
* go#54734 cmd/go: git fetch errors dropped when producing pseudo-versions for commits
* go#54726 cmd/compile: compile failed with "Value live at entry"
* go#54697 cmd/compile: ICE at composite literal assignment with alignment > PtrSize
* go#54675 runtime: morestack_noctxt missing SPWRITE, causes "traceback stuck" assert
* go#54665 runtime: segfault running ppc64/linux binaries with kernel 5.18
* go#54660 cmd/go: go test -race does not set implicit race build tag
* go#54643 crypto/tls: support ECDHE key exchanges when ec_point_formats is missing in ClientHello extension
* go#54637 cmd/go: data race in TestScript
* go#54633 cmd/go/internal/modfetch/codehost: racing writes to Origin fields
* go#54629 cmd/compile: miscompilation of partially-overlapping array assignments
* go#54420 cmd/pprof: graphviz node names are funny with generics
* go#54406 cmd/link: trampoline insertion breaks DWARF Line Program Table output on Darwin/ARM64
* go#54309 cmd/compile: internal compiler error: panic: runtime error: invalid memory address or nil pointer dereference
* go#54295 crypto/x509: panics on invalid curve instead of returning error
* go#54243 cmd/compile: internal compiler error when compiling code with unbound method of generic type
* go#54239 misc/cgo: TestSignalForwardingExternal sometimes fails with wrong signal SIGINT
* go#54235 cmd/compile: internal compiler error of atomic type and offsetof
* Mon Aug 22 2022 jkowalczyk@suse.com
- Define go_bootstrap_version go1.16 without suse_version checks
- Simplify conditional gcc_go_version 12 on Tumbleweed, 11 elsewhere
- Add _constraints for worker disk space 5G needed by SLE-15 x86_64
- SLE-12 s390x use bcond_without gccgo to bootstrap using gcc11go
* Workaround for SLE-12 s390x build error while writing linker data:
bad carrier sym for symbol crypto/internal/nistec.p256OrdMul.args_stackmap
created by cmd/link/internal/ld.writeBlocks
/usr/lib64/go/1.19/src/cmd/link/internal/ld/data.go:958
* Fri Aug 19 2022 dmueller@suse.com
- Bootstrap using go1.16 on SLE-15 and newer. go1.16 is
bootstrapped using gcc-go 11 or 12. This allows dropping older
versions of Go from Factory.
* Tue Aug 09 2022 jkowalczyk@suse.com
- Rebase gcc-go.patch onto upstream changes in go/src/make.bash and
go/src/make.rc. Used for SLE-12 go bootstrap builds with gcc8.
* Tue Aug 02 2022 jkowalczyk@suse.com
- go1.19 (released 2022-08-02) is a major release of Go.
go1.19.x minor releases will be provided through August 2023.
https://github.com/golang/go/wiki/Go-Release-Cycle
go1.19 arrives five months after go1.18. 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#1200441 go1.19 release tracking
* See release notes https://golang.org/doc/go1.19. Excerpts
relevant to OBS environment and for SUSE/openSUSE follow:
* There is only one small change to the language, a very small
correction to the scope of type parameters in method
declarations. Existing programs are unaffected.
* The Go memory model has been revised to align Go with the
memory model used by C, C++, Java, JavaScript, Rust, and
Swift. Go only provides sequentially consistent atomics, not
any of the more relaxed forms found in other languages. Along
with the memory model update, Go 1.19 introduces new types in
the sync/atomic package that make it easier to use atomic
values, such as atomic.Int64 and atomic.Pointer[T].
* go1.19 adds support for the Loongson 64-bit architecture
LoongArch on Linux (GOOS=linux, GOARCH=loong64). The ABI
implemented is LP64D. Minimum kernel version supported is 5.19.
* The riscv64 port now supports passing function arguments and
result using registers. Benchmarking shows typical performance
improvements of 10% or more on riscv64.
* Go 1.19 adds support for links, lists, and clearer headings in
doc comments. As part of this change, gofmt now reformats doc
comments to make their rendered meaning clearer. See "Go Doc
Comments" for syntax details and descriptions of common
mistakes now highlighted by gofmt. As another part of this
change, the new package go/doc/comment provides parsing and
reformatting of doc comments as well as support for rendering
them to HTML, Markdown, and text.
* The new build constraint "unix" is now recognized in //go:build
lines. The constraint is satisfied if the target operating
system, also known as GOOS, is a Unix or Unix-like system. For
the 1.19 release it is satisfied if GOOS is one of aix,
android, darwin, dragonfly, freebsd, hurd, illumos, ios, linux,
netbsd, openbsd, or solaris. In future releases the unix
constraint may match additional newly supported operating
systems.
* The -trimpath flag, if set, is now included in the build
settings stamped into Go binaries by go build, and can be
examined using go version -m or debug.ReadBuildInfo.
* go generate now sets the GOROOT environment variable explicitly
in the generator's environment, so that generators can locate
the correct GOROOT even if built with -trimpath.
* go test and go generate now place GOROOT/bin at the beginning
of the PATH used for the subprocess, so tests and generators
that execute the go command will resolve it to same GOROOT.
* go env now quotes entries that contain spaces in the
CGO_CFLAGS, CGO_CPPFLAGS, CGO_CXXFLAGS, CGO_FFLAGS,
CGO_LDFLAGS, and GOGCCFLAGS variables it reports.
* go list -json now accepts a comma-separated list of JSON fields
to populate. If a list is specified, the JSON output will
include only those fields, and go list may avoid work to
compute fields that are not included. In some cases, this may
suppress errors that would otherwise be reported.
* The go command now caches information necessary to load some
modules, which should result in a speed-up of some go list
invocations.
* The vet checker "errorsas" now reports when errors.As is called
with a second argument of type *error, a common mistake.
* The runtime now includes support for a soft memory limit. This
memory limit includes the Go heap and all other memory managed
by the runtime, and excludes external memory sources such as
mappings of the binary itself, memory managed in other
languages, and memory held by the operating system on behalf of
the Go program. This limit may be managed via
runtime/debug.SetMemoryLimit or the equivalent GOMEMLIMIT
environment variable. The limit works in conjunction with
runtime/debug.SetGCPercent / GOGC, and will be respected even
if GOGC=off, allowing Go programs to always make maximal use of
their memory limit, improving resource efficiency in some
cases.
* In order to limit the effects of GC thrashing when the
program's live heap size approaches the soft memory limit, the
Go runtime also attempts to limit total GC CPU utilization to
50%, excluding idle time, choosing to use more memory over
preventing application progress. In practice, we expect this
limit to only play a role in exceptional cases, and the new
runtime metric /gc/limiter/last-enabled:gc-cycle reports when
this last occurred.
* The runtime now schedules many fewer GC worker goroutines on
idle operating system threads when the application is idle
enough to force a periodic GC cycle.
* The runtime will now allocate initial goroutine stacks based on
the historic average stack usage of goroutines. This avoids
some of the early stack growth and copying needed in the
average case in exchange for at most 2x wasted space on
below-average goroutines.
* On Unix operating systems, Go programs that import package os
now automatically increase the open file limit (RLIMIT_NOFILE)
to the maximum allowed value; that is, they change the soft
limit to match the hard limit. This corrects artificially low
limits set on some systems for compatibility with very old C
programs using the select system call. Go programs are not
helped by that limit, and instead even simple programs like
gofmt often ran out of file descriptors on such systems when
processing many files in parallel. One impact of this change is
that Go programs that in turn execute very old C programs in
child processes may run those programs with too high a
limit. This can be corrected by setting the hard limit before
invoking the Go program.
* Unrecoverable fatal errors (such as concurrent map writes, or
unlock of unlocked mutexes) now print a simpler traceback
excluding runtime metadata (equivalent to a fatal panic) unless
GOTRACEBACK=system or crash. Runtime-internal fatal error
tracebacks always include full metadata regardless of the value
of GOTRACEBACK
* Support for debugger-injected function calls has been added on
ARM64, enabling users to call functions from their binary in an
interactive debugging session when using a debugger that is
updated to make use of this functionality.
* The address sanitizer support added in Go 1.18 now handles
function arguments and global variables more precisely.
* The compiler now uses a jump table to implement large integer
and string switch statements. Performance improvements for the
switch statement vary but can be on the order of 20%
faster. (GOARCH=amd64 and GOARCH=arm64 only)
* The Go compiler now requires the -p=importpath flag to build a
linkable object file. This is already supplied by the go
command and by Bazel. Any other build systems that invoke the
Go compiler directly will need to make sure they pass this flag
as well.
* The Go compiler no longer accepts the -importmap flag. Build
systems that invoke the Go compiler directly must use the
- importcfg flag instead.
* Like the compiler, the assembler now requires the -p=importpath
flag to build a linkable object file. This is already supplied
by the go command. Any other build systems that invoke the Go
assembler directly will need to make sure they pass this flag
as well.
* Command and LookPath no longer allow results from a PATH search
to be found relative to the current directory. This removes a
common source of security problems but may also break existing
programs that depend on using, say, exec.Command("prog") to run
a binary named prog (or, on Windows, prog.exe) in the current
directory. See the os/exec package documentation for
information about how best to update such programs.
* On Windows, Command and LookPath now respect the
NoDefaultCurrentDirectoryInExePath environment variable, making
it possible to disable the default implicit search of “.” in
PATH lookups on Windows systems.
* crypto/elliptic: Operating on invalid curve points (those for
which the IsOnCurve method returns false, and which are never
returned by Unmarshal or by a Curve method operating on a valid
point) has always been undefined behavior and can lead to key
recovery attacks. If an invalid point is supplied to Marshal,
MarshalCompressed, Add, Double, or ScalarMult, they will now
panic. ScalarBaseMult operations on the P224, P384, and P521
curves are now up to three times faster, leading to similar
speedups in some ECDSA operations. The generic (not platform
optimized) P256 implementation was replaced with one derived
from a formally verified model; this might lead to significant
slowdowns on 32-bit platforms.
* crypto/rand: Read no longer buffers random data obtained from
the operating system between calls. Applications that perform
many small reads at high frequency might choose to wrap Reader
in a bufio.Reader for performance reasons, taking care to use
io.ReadFull to ensure no partial reads occur. The Prime
implementation was changed to use only rejection sampling,
which removes a bias when generating small primes in
non-cryptographic contexts, removes one possible minor timing
leak, and better aligns the behavior with BoringSSL, all while
simplifying the implementation. The change does produce
different outputs for a given random source stream compared to
the previous implementation, which can break tests written
expecting specific results from specific deterministic random
sources. To help prevent such problems in the future, the
implementation is now intentionally non-deterministic with
respect to the input stream.
* crypto/tls: The GODEBUG option tls10default=1 has been
removed. It is still possible to enable TLS 1.0 client-side by
setting Config.MinVersion. The TLS server and client now reject
duplicate extensions in TLS handshakes, as required by RFC
5246, Section 7.4.1.4 and RFC 8446, Section 4.2.
* crypto/x509: CreateCertificate no longer supports creating
certificates with SignatureAlgorithm set to
MD5WithRSA. CreateCertificate no longer accepts negative serial
numbers. CreateCertificate will not emit an empty SEQUENCE
anymore when the produced certificate has no
extensions. ParseCertificate and ParseCertificateRequest now
reject certificates and CSRs which contain duplicate
extensions. The new CertPool.Clone and CertPool.Equal methods
allow cloning a CertPool and checking the equivalence of two
CertPools respectively. The new function ParseRevocationList
provides a faster, safer to use CRL parser which returns a
RevocationList. Parsing a CRL also populates the new
RevocationList fields RawIssuer, Signature, AuthorityKeyId, and
Extensions, which are ignored by CreateRevocationList. The new
method RevocationList.CheckSignatureFrom checks that the
signature on a CRL is a valid signature from a Certificate. The
ParseCRL and ParseDERCRL functions are now deprecated in favor
of ParseRevocationList. The Certificate.CheckCRLSignature
method is deprecated in favor of
RevocationList.CheckSignatureFrom. The path builder of
Certificate.Verify was overhauled and should now produce better
chains and/or be more efficient in complicated scenarios. Name
constraints are now also enforced on non-leaf certificates.
* crypto/x509/pkix: The types CertificateList and
TBSCertificateList have been deprecated. The new crypto/x509
CRL functionality should be used instead.
* debug/elf: The new EM_LOONGARCH and R_LARCH_* constants support
the loong64 port.
* debug/pe: The new File.COFFSymbolReadSectionDefAux method,
which returns a COFFSymbolAuxFormat5, provides access to COMDAT
information in PE file sections. These are supported by new
IMAGE_COMDAT_* and IMAGE_SCN_* constants.
* runtime: The GOROOT function now returns the empty string
(instead of "go") when the binary was built with the -trimpath
flag set and the GOROOT variable is not set in the process
environment.
* runtime/metrics: The new /sched/gomaxprocs:threads metric
reports the current runtime.GOMAXPROCS value. The new
/cgo/go-to-c-calls:calls metric reports the total number of
calls made from Go to C. This metric is identical to the
runtime.NumCgoCall function. The new
/gc/limiter/last-enabled:gc-cycle metric reports the last GC
cycle when the GC CPU limiter was enabled. See the runtime
notes for details about the GC CPU limiter.
* runtime/pprof: Stop-the-world pause times have been
significantly reduced when collecting goroutine profiles,
reducing the overall latency impact to the application. MaxRSS
is now reported in heap profiles for all Unix operating systems
(it was previously only reported for GOOS=android, darwin, ios,
and linux).
* runtime/race: The race detector has been upgraded to use thread
sanitizer version v3 on all supported platforms except
windows/amd64 and openbsd/amd64, which remain on v2. Compared
to v2, it is now typically 1.5x to 2x faster, uses half as much
memory, and it supports an unlimited number of goroutines. On
Linux, the race detector now requires at least glibc version
2.17 and GNU binutils 2.26. The race detector is now supported
on GOARCH=s390x. Race detector support for openbsd/amd64 has
been removed from thread sanitizer upstream, so it is unlikely
to ever be updated from v2.
* runtime/trace: When tracing and the CPU profiler are enabled
simultaneously, the execution trace includes CPU profile
samples as instantaneous events.
* syscall: On PowerPC (GOARCH=ppc64, ppc64le), Syscall, Syscall6,
RawSyscall, and RawSyscall6 now always return 0 for return
value r2 instead of an undefined value. On AIX and Solaris,
Getrusage is now defined.
* Tue Jul 12 2022 jkowalczyk@suse.com
- go1.19rc2 (released 2022-07-12) is a release candidate version of
go1.19 cut from the master branch at the revision tagged
go1.19rc2.
Refs boo#1200441 go1.19 release tracking
* Wed Jul 06 2022 jkowalczyk@suse.com
- go1.19rc1 (released 2022-07-06) is a release candidate version of
go1.19 cut from the master branch at the revision tagged
go1.19rc1.
Refs boo#1200441 go1.19 release tracking
* Tue Jun 14 2022 jkowalczyk@suse.com
- Trace viewer html and javascript files moved from misc/trace in
previous versions to src/cmd/trace/static in go1.19.
* Added files with mode 0644:
/usr/share/go/1.19/src/cmd/trace/static
/usr/share/go/1.19/src/cmd/trace/static/README.md
/usr/share/go/1.19/src/cmd/trace/static/trace_viewer_full.html
/usr/share/go/1.19/src/cmd/trace/static/webcomponents.min.js
* Fri Jun 10 2022 jkowalczyk@suse.com
- go1.19beta1 (released 2022-06-10) is a beta version of go1.19 cut
from the master branch at the revision tagged go1.19beta1.
Refs boo#1200441 go1.19 release tracking
/usr/lib64/go/1.19/pkg/linux_amd64_dynlink/libstd.so
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