internal/syscall/windows already provides a function to get the Windows
version. There is no need to use golang.org/x/sys/windows for this.
Change-Id: If31e9c662b10716ed6c3e9054604366e494345cf
Reviewed-on: https://go-review.googlesource.com/c/go/+/622815
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
This change amends the long-form help output for 'go help build' and
'go help testflag' to specify that the '-coverpkg' flag operates
explicitly on import paths as well as package names. Import paths are
fundamental for precise specification of packages versus unqualified
package names, and the naming of the flag '-coverpkg' and its original
documentation leads a user to assume that it only operates on the
simple, unqualified package name form. The situation warrants
clarification.
Fixes#69653
Change-Id: Ifde6a974405ce1614e28898fc2b92ed5bad94e57
GitHub-Last-Rev: 466c662a70
GitHub-Pull-Request: golang/go#69655
Reviewed-on: https://go-review.googlesource.com/c/go/+/616257
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Reviewed-by: Michael Matloob <matloob@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Rob Pike <r@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
crypto/internal/hpke is the only package under crypto that imports
encoding/binary. Other packages use internal/byteorder instead, which
notably doesn't depend on the reflect package.
Updates #54097
Change-Id: I77a3ac5f4588527a2f82574df4cb84d30630d73f
Reviewed-on: https://go-review.googlesource.com/c/go/+/622497
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
testenv.HasSymlink is already smart enough to return false
if the process is not elevated or developer mode is not enabled.
There is no need to check it twice.
Change-Id: Ib26c1509058230b07dbf5f2c808a10ae731f4ae4
Reviewed-on: https://go-review.googlesource.com/c/go/+/622156
Auto-Submit: Quim Muntal <quimmuntal@gmail.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
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Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Adds a new crypto/internal/fips test binary that operates as both a unit
test fetching/driving the BoringSSL acvptool, and an acvptool module
wraper when invoked by the unit test. Initial support for testing the
SHA2 and SHA3 family of digests, and the HMAC family of MACs is
included.
Test vectors and expected answers are maintained in a separate repo,
`github.com/cpu/go-acvp` and fetched through the module proxy as part of
the test process.
The BSSL acvptool "lowers" the NIST ACVP server JSON test vectors into
a simpler stdin/stdout protocol that can be implemented by a module
wrapper. The tool will fork our acvpwrapper binary, request the
supported configuration, and then provide test cases over stdin,
expecting results to be returned on stdout.
See "Testing other FIPS modules" from the BoringSSL ACVP.md
documentation for a more detailed description of the protocol used
between the acvptool and module wrappers.
Updates #69642
Updates #69536
Change-Id: I6b568c67f2a71144fbf31db467c6fd25710457f5
Reviewed-on: https://go-review.googlesource.com/c/go/+/615816
Reviewed-by: Michael Pratt <mpratt@google.com>
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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Placed the fipsIndicator field in some 64-bit alignment padding in the g
struct to avoid growing per-goroutine memory requirements on 64-bit
targets.
Fixes#69911
Updates #69536
Change-Id: I176419d0e3814574758cb88a47340a944f405604
Reviewed-on: https://go-review.googlesource.com/c/go/+/620795
Reviewed-by: Roland Shoemaker <roland@golang.org>
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
Reviewed-by: Michael Pratt <mpratt@google.com>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
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Reviewed-by: Derek Parker <parkerderek86@gmail.com>
The amd64 assembly is always-on, so we don't need to test disabling it.
Fixes#36466
For #69536
Change-Id: I2cd4befcde688a1ba202e61c7119e15454ff6854
Reviewed-on: https://go-review.googlesource.com/c/go/+/617535
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
Reviewed-by: Roland Shoemaker <roland@golang.org>
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Auto-Submit: Filippo Valsorda <filippo@golang.org>
It's a little annoying, but we can fit the IBM instructions on top of
the regular state, avoiding more intrusive interventions.
Going forward we should not accept assembly that replaces the whole
implementation, because it doubles the work to do any refactoring like
the one in this chain.
Also, it took me a while to find the specification of these
instructions, which should have been linked from the source for the next
person who'd have to touch this.
Finally, it's really painful to test this without a LUCI TryBot, per #67307.
For #69536
Change-Id: I90632a90f06b2aa2e863967de972b12dbaa5b2ae
Reviewed-on: https://go-review.googlesource.com/c/go/+/617359
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Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Main changes are
- return concrete *Digest and *SHAKE instead of interfaces
- make tests external (sha3_test) so they will be easy to move to
the public package
- drop most of the developer guidance docs (to be updated and
reintroduced in the public package)
- consolidate the _noasm.go files (matching the single _s390x.go)
- move TestAllocations from build tags to testenv
- temporarily disable s390x code, to refactor in a following CL
For #69536
Change-Id: Ie5fd3e2b589b9eb835b9e3174b7a79c2ac728ab1
Reviewed-on: https://go-review.googlesource.com/c/go/+/617357
Reviewed-by: Roland Shoemaker <roland@golang.org>
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Reviewed-by: Carlos Amedee <carlos@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
For now just internally, pending a dedicated proposal for the exposed
package API.
In this CL the code is copied verbatim, for ease of review. Only the
imports were replaced with the corresponding internal ones, and
crypto.RegisterHash calls were disabled. Also, the 0.5MB keccakkats file
was dropped, supplanted by TestCSHAKEAccumulated and ACVP tests.
Updates #65269
Updates #69982
For #69536
Change-Id: Ia4735b50c99b9573a5c4889733c4a119930fe658
Reviewed-on: https://go-review.googlesource.com/c/go/+/616717
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
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Reviewed-by: Roland Shoemaker <roland@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Carlos Amedee <carlos@golang.org>
A GODEBUG is actually a security risk here: most programs will start to
ignore errors from Read because they can't happen (which is the intended
behavior), but then if a program is run with GODEBUG=randcrash=0 it will
use a partial buffer in case an error occurs, which may be catastrophic.
Note that the proposal was accepted without the GODEBUG, which was only
added later.
This (partially) reverts CL 608435. I kept the tests.
Updates #66821
Change-Id: I3fd20f9cae0d34115133fe935f0cfc7a741a2662
Reviewed-on: https://go-review.googlesource.com/c/go/+/622115
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Reviewed-by: Roland Shoemaker <roland@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
Change-Id: I9f8b0beed16f38d71055cdc7606306d93fb535c2
Reviewed-on: https://go-review.googlesource.com/c/go/+/622655
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Change-Id: Ib64b1f641fcf795a51aaf31639d37927dab519e5
Reviewed-on: https://go-review.googlesource.com/c/go/+/622237
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Reviewed-by: Cherry Mui <cherryyz@google.com>
With LDREXB/STREXB now available for the arm assembler we can implement these operations natively. The instructions are armv6k+ but for simplicity I only use them on armv7.
Benchmark results for a raspberry Pi 3 model B+:
goos: linux
goarch: arm
pkg: internal/runtime/atomic
cpu: ARMv7 Processor rev 4 (v7l)
│ old.txt │ new.txt │
│ sec/op │ sec/op vs base │
And8-4 127.65n ± 0% 68.74n ± 0% -46.15% (p=0.000 n=10)
Change-Id: Ic87f307c35f7d7f56010980302f253056f6d54dc
GitHub-Last-Rev: a7351802fd
GitHub-Pull-Request: golang/go#70002
Cq-Include-Trybots: luci.golang.try:gotip-linux-arm
Reviewed-on: https://go-review.googlesource.com/c/go/+/622075
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Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
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Test that a small Wasm program uses 8 MB of linear memory. This
reflects the current allocator. We test an exact value, but if the
allocator changes, we can update or relax this.
Updates #69018.
Change-Id: Ifc0bb420af008bd30cde4745b3efde3ce091b683
Reviewed-on: https://go-review.googlesource.com/c/go/+/622378
Reviewed-by: Michael Knyszek <mknyszek@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
The old test relied on naming conventions. The new test
uses an explicit parent pointer chain initialized when the
closures are created (in the same place that the names
used in the older fragile test were assigned).
Fixes#70035.
Change-Id: Ie834103c7096e4505faaff3bed1fc6e918a21211
Reviewed-on: https://go-review.googlesource.com/c/go/+/622656
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Fixes#66966
Change-Id: I92777a7d7d8afaa82ffcd605aa3e607289b645f1
Reviewed-on: https://go-review.googlesource.com/c/go/+/622477
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
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Change-Id: Ie416ed0d7abcb64e63d999b8cee5975a0fc13875
Reviewed-on: https://go-review.googlesource.com/c/go/+/622496
Auto-Submit: Ian Lance Taylor <iant@google.com>
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Commit-Queue: Ian Lance Taylor <iant@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
This change finally fully fixes mallocgc for asan after the recent
refactoring. Here is everything that changed:
Fix the accounting for the alloc header; large objects don't have them.
Mask out extra bits set from unrolling the bitmap for slice backing
stores in writeHeapBitsSmall. The redzone in asan mode makes it so that
dataSize is no longer an exact multiple of typ.Size_ in this case (a
new assumption I have recently discovered) but we didn't mask out any
extra bits, so we'd accidentally set bits in other allocations. Oops.
Move the initHeapBits optimization for the 8-byte scan sizeclass on
64-bit platforms up to mallocgc, out from writeHeapBitsSmall. So, this
actually caused a problem with asan when the optimization first landed,
but we missed it. The issue was then masked once we started passing the
redzone down into writeHeapBitsSmall, since the optimization would no
longer erroneously fire on asan. What happened was that dataSize would
be 8 (because that was the user-provided alloc size) so we'd skip
writing heap bits, but it would turn out the redzone bumped the size
class, so we'd actually *have* to write the heap bits for that size
class. This is not really a problem now *but* it caused problems for me
when debugging, since I would try to remove the red zone from dataSize
and this would trigger this bug again. Ultimately, this whole situation
is confusing because the check in writeHeapBitsSmall is *not* the same
as the check in initHeapBits. By moving this check up to mallocgc, we
can make the checks align better by matching on the sizeclass, so this
should be less error-prone in the future.
Change-Id: I1e9819223be23f722f3bf21e63e812f5fb557194
Reviewed-on: https://go-review.googlesource.com/c/go/+/622041
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
CL 622235 would fix#70000 while resulting in one extra sendfile(2) system
call when sendfile(2) returns (>0, EAGAIN).
That's also why I left sendfile_bsd.go behind, and didn't make it line up
with other two implementations: sendfile_linux.go and sendfile_solaris.go.
Unlike sendfile(2)'s on Linux and Solaris that always return (0, EAGAIN),
sendfile(2)'s on *BSD and macOS may return (>0, EAGAIN) when using a socket
marked for non-blocking I/O. In that case, the current code will try to re-call
sendfile(2) immediately, which will most likely get us a (0, EAGAIN).
After that, it goes to `dstFD.pd.waitWrite(dstFD.isFile)` below,
which should have been done in the first place.
Thus, the real problem that leads to #70000 is that the old code doesn't handle
the special case of sendfile(2) sending the exact number of bytes the caller requested.
Fixes#70000
Change-Id: I6073d6b9feb58b3d7e114ec21e4e80d9727bca66
Reviewed-on: https://go-review.googlesource.com/c/go/+/622255
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Reviewed-by: Damien Neil <dneil@google.com>
Run-TryBot: Andy Pan <panjf2000@gmail.com>
Sometimes the runtime needs to reserve some memory with a large
alignment, which the OS usually won't directly satisfy. So, it
asks size+align bytes instead, and frees the unaligned portions.
On sbrk systems, this doesn't work that well, as freeing the tail
portion doesn't really free the memory to the OS. Instead, we
could simply round the current break up, then reserve the given
size, without wasting the tail portion.
Also, don't create heap arena hints on sbrk systems. We can only
grow the break sequentially, and reserving specific addresses
would not succeed anyway.
For #69018.
Change-Id: Iadc2c54d62b00ad7befa5bbf71146523483a8c47
Reviewed-on: https://go-review.googlesource.com/c/go/+/621715
Reviewed-by: Michael Knyszek <mknyszek@google.com>
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Document that Caller and Frame.File always use forward slashes
as path separators, even on Windows.
Fixes#3335
Change-Id: Ic5bbf8a1f14af64277dca4783176cd8f70726b91
Reviewed-on: https://go-review.googlesource.com/c/go/+/603275
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Reviewed-by: Cherry Mui <cherryyz@google.com>
For #69635
Change-Id: Id5696dc9724c3b3afcd7b60a6994f98c5309eb0e
Reviewed-on: https://go-review.googlesource.com/c/go/+/621755
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
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Auto-Submit: Michael Pratt <mpratt@google.com>
This patch adds prologue_end statement to the DWARF info for riscv64,
which delve debugger uses for skip stacksplit prologue.
Change-Id: I4e5d9c26202385f65b3118b16f53f66de9d327f0
Reviewed-on: https://go-review.googlesource.com/c/go/+/620295
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
Reviewed-by: Meng Zhuo <mengzhuo1203@gmail.com>
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Update references to version 20240411 of the RISC-V specifications.
Reorder and regroup instructions to maintain ordering.
Change-Id: Iea2a5d22ad677e04948e9a9325986ad301c03f35
Reviewed-on: https://go-review.googlesource.com/c/go/+/616115
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Reviewed-by: David Chase <drchase@google.com>
Fixes#70011
Change-Id: I9d8b3ffbd66561eee0efffd54038960acd5fcf64
Reviewed-on: https://go-review.googlesource.com/c/go/+/622476
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Commit-Queue: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Change-Id: I03ba70076d6dd3c0b9624d14699b7dd91a3c0e9b
Reviewed-on: https://go-review.googlesource.com/c/go/+/618476
Reviewed-by: Keith Randall <khr@golang.org>
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Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
On Solaris the default (non-GNU) C linker doesn't support the
--build-id flag (and I'm not aware of any alternative). So check
that the linker supports the flag before passing it.
Updates #41004, #63934.
Cq-Include-Trybots: luci.golang.try:gotip-solaris-amd64
Change-Id: I4379e5bf6eb495154d663ac4ed802ecb11fcf91c
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Reviewed-by: Ian Lance Taylor <iant@google.com>
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CL 621357 introduced new generic lowering rules which caused
several shift related codegen test failures.
Add new rules to fix the test regressions, and cleanup tests
which are changed but not regressed. Some CLRLSLDI tests are
removed as they are no test CLRLSLDI rules.
Fixes#70003
Change-Id: I1ecc5a7e63ab709a4a0cebf11fa078d5cf164034
Reviewed-on: https://go-review.googlesource.com/c/go/+/622236
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Goroutine profiles require checking in with the profiler before any
goroutine starts running. coroswitch is a place where a goroutine may
start running, but where we do not check in with the profiler, which
leads to crashes. Fix this by checking in with the profiler the same way
execute does.
Fixes#69998.
Change-Id: Idef6dd31b70a73dd1c967b56c307c7a46a26ba73
Reviewed-on: https://go-review.googlesource.com/c/go/+/622016
Reviewed-by: David Chase <drchase@google.com>
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A previous CL broke the ASAN poisoning calculation in mallocgc by not
taking into account a possible allocation header, so the beginning of
the following allocation could have been poisoned.
This mostly isn't a problem, actually, since the following slot would
usually just have an allocation header in it that programs shouldn't be
touching anyway, but if we're going a word-past-the-end at the end of a
span, we could be poisoning a valid heap allocation.
Change-Id: I76a4f59bcef01af513a1640c4c212c0eb6be85b3
Reviewed-on: https://go-review.googlesource.com/c/go/+/622295
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Reviewed-by: Keith Randall <khr@google.com>
Non-Linux builder hardware is more varied, and the important thing is
that we test on at least one builder.
Fixes#70014Fixes#70013Fixes#70012
Change-Id: I33c4483c8b2792f6a15d6532e8cbae98b2888ea5
Reviewed-on: https://go-review.googlesource.com/c/go/+/622096
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Replace Transport's limit of 5 1xx responses with a limit based
on MaxResponseHeaderBytes: The total number of responses
(including 1xx reponses and the final response) must not exceed
this value.
When the user is reading 1xx responses using a Got1xxResponse
client trace hook, disable the limit: Each 1xx response is
individually limited by MaxResponseHeaderBytes, but there
is no limit on the total number of responses. The user is
responsible for imposing a limit if they want one.
For #65035
Change-Id: If4bbbbb0b808cb5016701d50963c89f0ce1229f8
Reviewed-on: https://go-review.googlesource.com/c/go/+/615255
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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We were missing a case for calling a C function with an index
into a pointer-to-array.
Fixes#70016
Change-Id: I9c74d629e58722813c1aaa0f0dc225a5a64d111b
Reviewed-on: https://go-review.googlesource.com/c/go/+/621576
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
This adds V0 through V31 as vector registers, which are available on CPUs
that support the V extension.
Change-Id: Ibffee3f9a2cf1d062638715b3744431d72d451ce
Reviewed-on: https://go-review.googlesource.com/c/go/+/595404
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Mark Ryan <markdryan@rivosinc.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: 鹏程汪 <wangpengcheng.pp@bytedance.com>
Regenerate the riscv instruction encoding table with the V extension
enabled. Add constants and names for the resulting 375 instructions.
Change-Id: Icce688493aeb1e9880fb76a0618643f57e481273
Reviewed-on: https://go-review.googlesource.com/c/go/+/595403
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: 鹏程汪 <wangpengcheng.pp@bytedance.com>
Reviewed-by: Meng Zhuo <mengzhuo1203@gmail.com>
Reviewed-by: Mark Ryan <markdryan@rivosinc.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Fixes#70004Fixes#70005
Cq-Include-Trybots: luci.golang.try:gotip-linux-amd64-noopt
Change-Id: I6766a722f124646262fa0d2a1ff245f8b93bc920
Reviewed-on: https://go-review.googlesource.com/c/go/+/622095
Reviewed-by: Roland Shoemaker <roland@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Change-Id: I49c7107d9624c9a8aa97dcc87e2d4722b9ba0a20
Reviewed-on: https://go-review.googlesource.com/c/go/+/622055
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Tim King <taking@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
The BSD implementation of poll.SendFile incorrectly halted
copying after succesfully writing one full chunk of data.
Adjust the copy loop to match the Linux and Solaris
implementations.
In testing, empirically macOS appears to sometimes return
EAGAIN from sendfile after successfully copying a full
chunk. Add a check to all implementations to return nil
after successfully copying all data if the last sendfile
call returns EAGAIN.
For #70000
Change-Id: I57ba649491fc078c7330310b23e1cfd85135c8ff
Reviewed-on: https://go-review.googlesource.com/c/go/+/622235
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
The minimum Linux kernel version for Go 1.24 is now set to 3.2.
Updates #67001
For #68545
Change-Id: I509f09c8ed7f3067af14066cf139008db0cb06ba
Reviewed-on: https://go-review.googlesource.com/c/go/+/622015
Auto-Submit: Carlos Amedee <carlos@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
When the kernel parameter ptrace_scope is set to 2 or 3,
certain test cases in runtime-gdb_test.go will fail.
We should skip these tests.
Fixes#69932
Change-Id: I685d1217f1521d7f8801680cf6b71d8e7a265188
GitHub-Last-Rev: 063759e04c
GitHub-Pull-Request: golang/go#69933
Reviewed-on: https://go-review.googlesource.com/c/go/+/620857
Auto-Submit: Michael Knyszek <mknyszek@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
There is no need to remove all write accesses when O_APPEND is set,
only the FILE_WRITE_DATA access. This will allow files opened with
O_APPEND and O_WRONLY to be have their attributes and ACLs modified.
Change-Id: I6fe3b25e87b141a9eb30805f395fec31242fd35d
Reviewed-on: https://go-review.googlesource.com/c/go/+/620615
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
