Fixes#8606.
Change-Id: I64b13b2ed61ecae4641264deb47c9f7653a80356
Reviewed-on: https://go-review.googlesource.com/c/go/+/449536
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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Under the race detector, checkptr flags uses of unsafe.Slice that
result in slices that straddle multiple Go allocations.
Avoid that scenario by calling existing runtime code.
This fixes a failure on the darwin-.*-race builders introduced in
CL 446178.
Change-Id: I6e0fdb37e3c3f38d97939a8799bb4d10f519c5b9
Reviewed-on: https://go-review.googlesource.com/c/go/+/449936
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As the comments say. Here we expect err to be nil instead of ctx.Err()
Change-Id: I4cd02d62ac0a13c9577a567de36742f13d140d36
GitHub-Last-Rev: 6bedfbc9d2
GitHub-Pull-Request: golang/go#56698
Reviewed-on: https://go-review.googlesource.com/c/go/+/449737
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Change-Id: Ib6ea1bd04d9b06542ed2b0f453c718115417c62c
Reviewed-on: https://go-review.googlesource.com/c/go/+/449755
Reviewed-by: Keith Randall <khr@golang.org>
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These tests fail consistently due to a DNS change causing widespread
trybot outages.
Fixes#56707.
Change-Id: Iebdf91254a922a48880021198f0f12f6bc16b6e7
Reviewed-on: https://go-review.googlesource.com/c/go/+/449640
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
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When the GC is scanning some memory (possibly conservatively),
finding a pointer, while concurrently another goroutine is
allocating an object at the same address as the found pointer, the
GC may see the pointer before the object and/or the heap bits are
initialized. This may cause the GC to see bad pointers and
possibly crash.
To prevent this, we make it that the scanner can only see the
object as allocated after the object and the heap bits are
initialized. As the scanner uses the freeindex to determine if an
object is allocated, we delay the increment of freeindex after the
initialization.
As currently in some code path finding the next free index and
updating the free index to a new slot past it is coupled, this
needs a small refactoring. In the new code mspan.nextFreeIndex
return the next free index but not update it (although allocCache
is updated). mallocgc will update it at a later time.
Fixes#54596.
Change-Id: I6dd5ccf743f2d2c46a1ed67c6a8237fe09a71260
Reviewed-on: https://go-review.googlesource.com/c/go/+/427619
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I forgot to lock the scriptResult in the overview handler, and
apparently a cmd/go test is incidentally fetching the overview page at
some point during test execution, triggering the race.
This race was caught almost immediately by the new
linux-amd64-longtest-race builder (see
https://build.golang.org/log/85ab78169a6382a73b1a26c89e64138b387da217).
Updates #27494.
Change-Id: I06ee8d54dba400800284401428ba4a59809983b2
Reviewed-on: https://go-review.googlesource.com/c/go/+/449517
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Many stages in the linker assume some runtime symbols exist.
Error out if the runtime package cannot be found.
Fixes#56685.
Change-Id: I39b2663f6d7419688e30e6d8650e5eb8fc43a2b1
Reviewed-on: https://go-review.googlesource.com/c/go/+/449638
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With net converted to libc, os/user is the last remaining
cgo code in the standard libary on macOS.
Convert it to libc too.
Now only plugin remains as a cgo-using package on macOS.
Change-Id: Ibb518b5c62ef9ec1e6ab6191f4b576f7c5a4501c
Reviewed-on: https://go-review.googlesource.com/c/go/+/449316
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This limitation exists on MIPS platform, but not on loong64.
Change-Id: I14bb3ec6895a8f7850873c171e1756843ffea72e
Reviewed-on: https://go-review.googlesource.com/c/go/+/449395
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Adjust PGO inlining default parameters to 99% CDF threshold and
2000 budget. Benchmark results (mostly from Sweet) show that this
set of parameters performs reasonably well, with a few percent
speedup at the cost of a few percent binary size increase.
Also rename the debug flags to start with "pgo", to make it clear
that they are related to PGO.
Change-Id: I0749249b1298d1dc55a28993c37b3185f9d7639d
Reviewed-on: https://go-review.googlesource.com/c/go/+/449477
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This change is made to align with the current (recently changed) glibc behaviour, it will allow the hostLookupOrder method to change its decisions on runtime (based on /etc/nsswitch.conf changes).
Fixes#56515
Change-Id: I241d67f053b6d2111eebcd67744adee02829166e
GitHub-Last-Rev: 82842c1274
GitHub-Pull-Request: golang/go#56588
Reviewed-on: https://go-review.googlesource.com/c/go/+/448075
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This copies the logic we use in runtime/cgo, when calling pthread_create,
into runtime proper, when calling newosproc.
We only do this in newosproc, not newosproc0, because in newosproc0 we
need a nosplit function literal, and we need to pass arguments to it through
newosproc, which is a pain. Also newosproc0 is only called at process
startup, when thread creation is less likely to fail anyhow.
Fixes#49438
Change-Id: Ia26813952fdbae8aaad5904c9102269900a07ba9
Reviewed-on: https://go-review.googlesource.com/c/go/+/447175
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It will behave as if teh command-line-arguments module was vendored,
with zero dependencies, much as -mod=readonly works.
Fixes#56536
Change-Id: Ia02dda2f90d006b5917c3ae002ccb714987f27a3
Reviewed-on: https://go-review.googlesource.com/c/go/+/448019
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This can be used to provide better instruction selection for assembly
implementations without having to implement two variants and dynamic
runtime selections when a newer GOPPC64 value is used.
Change-Id: I4331037d57b128137280aa7904d08d362391f81e
Reviewed-on: https://go-review.googlesource.com/c/go/+/449115
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This package is only used by tests anyway, but might as well
remove the cgo use on macOS so that it doesn't show up as
a cgo user, as part of our overall strategy to remove cgo use
in the standard library on macOS.
Change-Id: I5a1a39ed56373385f9d43a5e17098035dc1a451a
Reviewed-on: https://go-review.googlesource.com/c/go/+/449315
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We had a special case to zero out the Target field for package
"unsafe", which is not imported from a normal object file.
As of CL 449376 that special case has been folded into go/build's
logic for setting the PkgObj field, so the special case in
cmd/go/internal/load has become redundant.
(Noticed while investigating CL 449376.)
Updates #47257.
Updates #56687.
Change-Id: I1668123aa6230097aa75e55380d3e2c7937c4b64
Reviewed-on: https://go-review.googlesource.com/c/go/+/449515
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Use a single writeErrStr function. Avoid using global variables.
Use a single version of some error messages rather than duplicating
the messages in OS-specific files.
Change-Id: If259fbe78faf797f0a21337d14472160ca03efa0
Reviewed-on: https://go-review.googlesource.com/c/go/+/447055
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CL 107196 introduced a default TCP keepalive interval for Dialer and TCPListener (used by both ListenConfig and ListenTCP). Leaving DialTCP out was likely an oversight.
DialTCP's documentation says it "acts like Dial". Therefore it's natural to also expect DialTCP to enable TCP keepalive by default.
This commit addresses this disparity by moving the enablement logic down to the newTCPConn function, which is used by both dialer and listener.
Fixes#49345
Change-Id: I99c08b161c468ed0b993d1dbd2bd0d7e803f3826
GitHub-Last-Rev: 5c2f1cb0fb
GitHub-Pull-Request: golang/go#56565
Reviewed-on: https://go-review.googlesource.com/c/go/+/447917
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In some places of the HTTP transport errors were constructed that
wrapped other errors without providing the ability to call
`errors.Unwrap` on them to get the underlying error.
These places have been fixed to use `%w` when using `fmt.Errorf`
or to implement `Unwrap() error`.
Fixes#56435
Change-Id: Ieed3359281574485c8d0b18298e25e5f1e14555c
GitHub-Last-Rev: 504efbc507
GitHub-Pull-Request: golang/go#56451
Reviewed-on: https://go-review.googlesource.com/c/go/+/445775
Reviewed-by: Damien Neil <dneil@google.com>
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This was the last piece of ref10 code, including the infamous "Christmas
tree" in scMulAdd, that approximately all Ed25519 implementations
inherited. Replace the whole scalar field implementation with a
fiat-crypto generated one, like those in crypto/internal/nistec/fiat.
The only complexity is the wide reduction (both for the 64-byte one and
for the clamped input). For that we do a limbed reduction suggested by
Frank Denis.
Some minor housekeeping and test changes from filippo.io/edwards25519
are included, as part of syncing with downstream.
Ignoring the autogenerated file, the diff is
268 insertions(+), 893 deletions(-)
George Tankersley signed the Individual CLA and authorized me to submit
this change on his behalf at the time he contributed it to
filippo.io/edwards25519.
Co-authored-by: George Tankersley <george.tankersley@gmail.com>
Change-Id: I4084b4d3813f36e16b3d8839df75da1b4fd7846b
Reviewed-on: https://go-review.googlesource.com/c/go/+/420454
Run-TryBot: Filippo Valsorda <filippo@golang.org>
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Reviewed-by: Roland Shoemaker <roland@golang.org>
Same as CL 448675 did in package reflect.
Change-Id: I26277d8dcf2d2e204724d6fa5cc6e1ad391633f5
Reviewed-on: https://go-review.googlesource.com/c/go/+/448936
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Fixes#56173
Change-Id: I03a3ad769c99c0bdb78b1d757173d630879fd4dd
GitHub-Last-Rev: e3e31fa0b9
GitHub-Pull-Request: golang/go#56282
Reviewed-on: https://go-review.googlesource.com/c/go/+/443495
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It adds support for /etc/hosts aliases and fixes the difference between the glibc cgo and the go DNS resolver.
Examples: https://pastebin.com/Fv6UcAVrFixes#44741
Change-Id: I98c484fced900731fbad800278b296028a45f044
GitHub-Last-Rev: 3d47e44f11
GitHub-Pull-Request: golang/go#51004
Reviewed-on: https://go-review.googlesource.com/c/go/+/382996
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The ResponseController type provides a discoverable interface
to optional methods implemented by ResponseWriters.
c := http.NewResponseController(w)
c.Flush()
vs.
if f, ok := w.(http.Flusher); ok {
f.Flush()
}
Add the ability to control per-request read and write deadlines
via the ResponseController SetReadDeadline and SetWriteDeadline
methods.
For #54136
Change-Id: I3f97de60d4c9ff150cda559ef86c6620eee665d2
Reviewed-on: https://go-review.googlesource.com/c/go/+/436890
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We don't seem to have tests verifying that handler reads from the
request body or writes to the response body time out properly.
Add some.
For #49837
For #56478
Change-Id: I0828edd6c86b071073fd1b22ccbb24f86114ab94
Reviewed-on: https://go-review.googlesource.com/c/go/+/446255
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Damien Neil <dneil@google.com>
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AllPos truncates and overwrites its slice-storage input instead
of appending. This makes that clear.
Change-Id: I81653ff49a4a7d14fe9446fd6620943f3b20bbd3
Reviewed-on: https://go-review.googlesource.com/c/go/+/449478
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The compiler is too clever so the allocations are currently
avoided. Rewrite to make them actually allocate.
Change-Id: I9542e1365120b2ace318360883b0b01ed5670da7
Reviewed-on: https://go-review.googlesource.com/c/go/+/449476
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Package "builtin" is not a real, importable package; it exists only
for documentation. Package "unsafe" is not compiled into an object
file from its source code; instead, imports of "unsafe" are handled
specially by the compiler.
(In Go 1.19.3, package "unsafe" did not have an install target, while
package "builtin" did but that target was never written.)
Fixes#56687.
Updates #47257.
Change-Id: I1d1e90ff9e1629b80e0df93e1f7e17242c8dab69
Reviewed-on: https://go-review.googlesource.com/c/go/+/449376
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As of CL 448803, packages in GOROOT only have install targets when
they have cgo source files. When cgo is not enabled, that condition
is necessarily false, and no install target will exist.
For #47257.
Change-Id: I653a9c5f89d18a5841810f3de8d490bd7cb7e922
Reviewed-on: https://go-review.googlesource.com/c/go/+/449375
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Modified the fmahash gc debug flag to use this, and modified the
test to check for a hash match that includes inlining. Also
made the test non-short to ensure portability.
Note fma.go has been enhanced into an FMA test that requires
two separate FMAs in order to "fail"; if either one is 2-rounding,
then it "passes". (It neither passes nor fails here; its role
is to demonstrate that the FMAs are correctly reported; the
enhanced failure mode was discovered while testing the search
tool.)
Change-Id: I4e328e3654f442d498eac982135420abb59c5434
Reviewed-on: https://go-review.googlesource.com/c/go/+/448358
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The new "InvalidSyntaxTree" node in the error code declaration
inadvertently incremented the value of iota by 1. Fix this by moving it
to its own declaration.
Change-Id: I34b33a8caddbbb9e41f431321ec0e5863dc15055
Reviewed-on: https://go-review.googlesource.com/c/go/+/449475
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When writing markdown for godoc, we can reference a method M of
a type T as [T.M]. This doesn't currently work for methods on generic
types because the declaration of the type parameter gets in the way.
(You'd have to write [T[P].M] and that doesn't parse, and even if it
did you'd have to spell "P" correctly.)
Get rid of the type parameter when building the list of Funcs so
[T.M] works in godoc if T is generic.
Change-Id: I8ef5264124a944967df3ce20ddd40a2447ff4187
Reviewed-on: https://go-review.googlesource.com/c/go/+/449236
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Reviewed-by: Robert Griesemer <gri@google.com>
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Since the first implementation of os/user, it's called C malloc
to allocate memory for buffers. However, the buffers are just
used for temporary storage, and we can just a []byte instead.
To make this work without causing cgo pointer errors, we move
the pwd and grp structs into C stack memory, and just return them.
It's OK to store a Go pointer on the C stack temporarily.
Change-Id: I9f8ffb6e51df1e585276c259fe99359d7835df87
Reviewed-on: https://go-review.googlesource.com/c/go/+/449335
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For #53821
Change-Id: I2e7c5376e6ca3e3dbb2f92ad771aed62fca8b793
GitHub-Last-Rev: b67ddf81ec
GitHub-Pull-Request: golang/go#54864
Reviewed-on: https://go-review.googlesource.com/c/go/+/428195
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When you run 'go env' or any command that needs to consider
what the default gcc flags are (such as 'go list net' or
'go list <any package with net as a dependency>'),
the go command runs gcc (or clang) a few times to see what
flags are available.
These runs can be quite expensive on some systems, particularly
Macs that seem to need to occasionally cache something before
gcc/clang can execute quickly.
To fix this, cache the derived information about gcc under a cache
key derived from the size and modification time of the compiler binary.
This is not foolproof, but it should be good enough.
% go install cmd/go
% time go env >/dev/null
0.22 real 0.01 user 0.01 sys
% time go env >/dev/null
0.03 real 0.01 user 0.01 sys
%
Fixes#50982.
Change-Id: Iba7955dd10f610f2793e1accbd2d06922f928faa
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When people add new API and get an all.bash failure,
they often don't know about the API checker at all.
Point to the README in the failure message, to try to
help them find what they need to know.
Change-Id: I6b148ec414d212033b371357a5e8c6ab79bb50a4
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Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
crypto/rsa assumes RSA OAEP uses the same hash to be used for both the label
and the mask generation function. However, implementations in other languages,
such as Java and Python, allow these parameters to be specified independently.
This change allows the MGF hash to be specified independently for decrypt
operations in order to allow decrypting ciphertexts generated in other
environments.
Fixes: #19974
Change-Id: If453d628f0da354ceb3b52863f30087471670f7b
Reviewed-on: https://go-review.googlesource.com/c/go/+/418874
Auto-Submit: Andrew Bonventre <andybons@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Andrew Bonventre <andybons@golang.org>
Run-TryBot: Andrew Bonventre <andybons@golang.org>
Add test.
Fixes#20396
Change-Id: I89e9013eb338f831e1908e390b284794df78fb6b
Reviewed-on: https://go-review.googlesource.com/c/go/+/103875
Auto-Submit: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Non-regression tests are added.
Fixes#8068
Change-Id: Icb36c910bbf4955743b7aa8382002b2d9246fadc
Reviewed-on: https://go-review.googlesource.com/c/go/+/105636
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
