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Notably, the x/tools update includes CL 702835.
Also, pacify copyright_test report of missing copyright
header in generated h2_bundle.
Updates golang/go#75432
Change-Id: I428278e50dbcef5dcaa661004da0da9ab8f2c924
Reviewed-on: https://go-review.googlesource.com/c/go/+/702955
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It's causing the dependency test to fail.
Fixes #73274
Change-Id: I7d80ea4872e360c16ac3b77acf15fa2660d117b3
Reviewed-on: https://go-review.googlesource.com/c/go/+/663975
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Windows' _PROC_THREAD_ATTRIBUTE_LIST can contain pointers to memory
owned by Go, but the GC is not aware of this. This can lead to the
memory being freed while the _PROC_THREAD_ATTRIBUTE_LIST is still in
use.
This CL uses the same approach as in x/sys/windows to ensure that the
attributes are not collected by the GC.
Fixes #73170.
Updates #73199.
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There is no need for syscall.OpenFile to truncate newly created files.
Some special Windows files, like the NUL device, can't be
truncated, so we should avoid truncating unless it is really necessary.
Fixes #71752.
Change-Id: I8238048594f706f6a5281053d55cfe3dc898828d
Reviewed-on: https://go-review.googlesource.com/c/go/+/650276
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Ftruncate can be implemented on Windows using a single syscall. This
makes the implementation more efficient and less prone to races when
used in combination with other Seek calls.
Change-Id: I5d9f780fba2710403fce89d3325e519f33ad9ae8
Reviewed-on: https://go-review.googlesource.com/c/go/+/618835
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RtlGetNtVersionNumbers
The RtlGetNtVersionNumbers function is not documented by Microsoft.
Use RtlGetVersion instead, which is documented and available on all
supported versions of Windows.
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Fixes #31316
Change-Id: I1ca5968836e7bcad91496e4ed3cf1a0caf1375f1
Reviewed-on: https://go-review.googlesource.com/c/go/+/520275
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This CL adds support for os.File.Chdir() on Windows by implementing
syscall.Fchdir, which is internally used by Chdir.
Windows does not provide a function that sets the working directory
using a file handle, so we have to fallback to retrieving the file
handle path and then use it in SetCurrentDirectory.
Change-Id: I2ae93575e50411e5a9426ea531541958d7c9e812
Reviewed-on: https://go-review.googlesource.com/c/go/+/480135
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This CL regenerates zsyscall_windows.go, which was incorrectly
hand-edited in CL 463842.
Change-Id: Id556e69a282b2291a0b293b276ed4b9e0aeec105
Reviewed-on: https://go-review.googlesource.com/c/go/+/463848
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This CL removes a fallback that used LoadLibraryA when the runtime
was loading system DLLs on Windows 7, Windows Server 2008 R2,
or earlier.
We can safely remove that fallback now, as go1.21 will require at least
Windows 8 or Server 2012.
This CL also saves some syscall initialization time and bytes:
new:
init syscall @2.3 ms, 0 ms clock, 1000 bytes, 18 allocs
old:
init syscall @3.6 ms, 0.52 ms clock, 1744 bytes, 24 allocs
Updates #57003
Change-Id: I7dcc1173537785b6b580e9f78632c0c74da658d4
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For #51618
Fixes #51673
Change-Id: Ie63408d62303293d80afed8d5cf1cb164a8abecc
Reviewed-on: https://go-review.googlesource.com/c/go/+/392774
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RegEnumKeyEx has an undocumented requirement that subsequent calls need
to be made from the same thread. This change documents that requirement
and fixes uses of it in std.
Fixes #49320.
Change-Id: I6d182227e22dd437996a878b3a978943f01b2d61
Reviewed-on: https://go-review.googlesource.com/c/go/+/361154
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The declaration order in CL 319310 does not match what the generator
produces from scratch. That currently causes
cmd/internal/moddeps.TestAllDependencies to fail, since it is
explicitly checking for that kind of skew.
Updates #45914
Change-Id: If2a9cabc3d54e21deba7cb438fa364df205f38ac
Reviewed-on: https://go-review.googlesource.com/c/go/+/325112
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Windows 7
On Windows 7 (and below), console handles are not real kernel handles
but are rather userspace objects, with information passed via special
bits in the handle itself. That means they can't be passed in
PROC_THREAD_ATTRIBUTE_HANDLE_LIST, even though they can be inherited.
So, we filter the list passed to PROC_THREAD_ATTRIBUTE_HANDLE_LIST to
not have any console handles on Windows 7. At the same time, it turns
out that the presence of a NULL handle in the list is enough to render
PROC_THREAD_ATTRIBUTE_HANDLE_LIST completely useless, so filter these
out too. Console handles also can't be duplicated into parent processes,
as inhertance always happens from the present process, so duplicate
always into the present process even when a parent process is specified.
Fixes #45914.
Change-Id: I70b4ff4874dbf0507d9ec9278f63b9b4dd4f1999
Reviewed-on: https://go-review.googlesource.com/c/go/+/319310
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It turns out that the proc thread update function doesn't actually
allocate new memory for its arguments and instead just copies the
pointer values into the preallocated memory. Since we were allocating
that memory as []byte, the garbage collector didn't scan it for pointers
to Go allocations and freed them. We _could_ fix this by requiring that
all users of this use runtime.KeepAlive for everything they pass to the
update function, but that seems harder than necessary. Instead, we can
just do the allocation as []unsafe.Pointer, which means the GC can
operate as intended and not free these from beneath our feet. In order
to ensure this remains true, we also add a test for this.
Fixes #44662.
Change-Id: Ib392ba8ceacacec94b11379919c8179841cba29f
Reviewed-on: https://go-review.googlesource.com/c/go/+/297389
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This will allow us to pass additional attributes when starting
processes.
Updates #44011.
Change-Id: I4af365c5544a6d421830f247593ec970200e5e03
Reviewed-on: https://go-review.googlesource.com/c/go/+/288296
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crash
This reverts commit dc4698f52b5ad3f0251e0cc25bc7ffbd10e23f2c, and then
fixes the memory corruption issue. It also suggests users switch to
x/sys/windows for the proper function.
This requires CL 295174 to be submitted first.
Updates #44538.
Change-Id: I0ee602f1c1d6a89cc585aff426833a4cb3f2be50
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The third argument to GetQueuedCompletionStatus is a pointer to a
uintptr, not a uint32. Users of this functions have therefore been
corrupting their memory every time they used it. Either that memory
corruption was silent (dangerous), or their programs didn't work so they
chose a different API to use.
Fixes #44538.
RELNOTES=yes
Change-Id: Idf48d4c712d13da29791e9a460159255f963105b
Reviewed-on: https://go-review.googlesource.com/c/go/+/295371
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There's on need to expose this to the frozen syscall package, and it
also doesn't need to be unsafe. So we move it into internal/syscall and
have the generator make a safer function signature.
Fixes #43704.
Change-Id: Iccae69dc273a0aa97ee6846eb537f1dc1412f2de
Reviewed-on: https://go-review.googlesource.com/c/go/+/283992
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According to [1], this function returns NULL when it errors, rather than
INVALID_HANDLE_VALUE, which other Win32 functions return. This was
pointed out in CL 273446 for the x/sys package, and this patch here
cleans it up for the syscall package and updates the vendored x/sys
package using the usual `go get/go mod vendor` dance. The function is
currently in use by crypto/x509/root_windows.go, which calls
CertOpenStore(CERT_STORE_PROV_MEMORY), which I assume can fail under OOM
or other weird conditions. Quick reversing indicates that [1] is
correct, as there's a `xor eax, eax` in the error paths of the function
just before jumping to the epilogue.
[1] https://docs.microsoft.com/en-us/windows/win32/api/wincrypt/nf-wincrypt-certopenstore#return-value
Change-Id: I77c0b0319c13313212f8710785252c494da56ed5
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Steps run:
$ cd $(go env GOROOT)/src
$ go get -d golang.org/x/sys
$ go mod tidy
$ go mod vendor
$ go generate syscall/... internal/syscall/...
$ cd cmd
$ go get -d golang.org/x/sys
$ go mod tidy
$ go mod vendor
$ cd ..
$ git add .
This change subsumes CL 260860.
For #36905
Change-Id: I7c677c6aa1ad61b9cbd8cf9ed208ed5a30f29c87
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CryptGenRandom appears to be unfavorable these days, whereas the classic
RtlGenRandom is still going strong.
This commit also moves the warnBlocked function into rand_unix, rather
than rand, because it's now only used on unix.
Fixes #33542
Change-Id: I5c02a5917572f54079d627972401efb6e1ce4057
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While many other call sites have been moved to using the proper
higher-level system loading, these areas were left out. This prevents
DLL directory injection attacks. This includes both the runtime load
calls (using LoadLibrary prior) and the implicitly linked ones via
cgo_import_dynamic, which we move to our LoadLibraryEx. The goal is to
only loosely load kernel32.dll and strictly load all others.
Meanwhile we make sure that we never fallback to insecure loading on
older or unpatched systems.
This is CVE-2019-9634.
Fixes #14959
Fixes #28978
Fixes #30642
Change-Id: I401a13ed8db248ab1bb5039bf2d31915cac72b93
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Follow the convertion (https://golang.org/s/generatedcode) for generated
code.
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CL 75253 introduced new SysProcAttr.Token field as Handle.
But we already have exact type for it - Token. Use Token
instead of Handle everywhere - it saves few type conversions
and provides better documentation for new API.
Change-Id: Ibc5407a234a1f49804de15a24b27c8e6a6eba7e0
Reviewed-on: https://go-review.googlesource.com/76314
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Fixes #21105
Change-Id: Ia2dea9b82a356795f581ce75616198b46e97abb6
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So errnoErr can be used in other packages.
This is something I missed when I sent CL 28990.
Fixes #17539
Change-Id: I8ee3b79c4d70ca1e5b29e5b40024f7ae9a86061e
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CL 28484 mistakenly assumed that WSARecv returns WSAEINPROGRESS
when there is nothing to read. But the error is ERROR_IO_PENDING.
Fix that mistake.
I was about to write a test for it. But I have found
TestTCPReadWriteAllocs in net package that does nearly what I need,
but was conveniently disabled. So enable and extend the test.
Fixes #16988
Change-Id: I55e5cf8998a9cf29e92b398d702280bdf7d6fc85
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This is was already done for Unix in https://golang.org/cl/6701 +
https://golang.org/cl/8192. Do it for Windows also.
Fixes #16988
Change-Id: Ia7832b0d0d48566b0cd205652b85130df529592e
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Make sure that for any DLL that Go uses itself, we only look for the
DLL in the Windows System32 directory, guarding against DLL preloading
attacks.
(Unless the Windows version is ancient and LoadLibraryEx is
unavailable, in which case the user probably has bigger security
problems anyway.)
This does not change the behavior of syscall.LoadLibrary or NewLazyDLL
if the DLL name is something unused by Go itself.
This change also intentionally does not add any new API surface. Instead,
x/sys is updated with a LoadLibraryEx function and LazyDLL.Flags in:
https://golang.org/cl/21388
Updates #14959
Change-Id: I8d29200559cc19edf8dcf41dbdd39a389cd6aeb9
Reviewed-on: https://go-review.googlesource.com/21140
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Fixes #11147
Change-Id: Ib31160946a53f6f9b11daea211ff04d186b51b3f
Reviewed-on: https://go-review.googlesource.com/12067
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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unsafe package
Fixes #9900
Change-Id: I5dd401e8d2040e84ccb97c2fe9f5c5a28095b538
Reviewed-on: https://go-review.googlesource.com/5005
Reviewed-by: Minux Ma <minux@golang.org>
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I would like to create new syscalls in src/internal/syscall,
and I prefer not to add new shell scripts for that.
Replacement for CL 136000043.
Change-Id: I840116b5914a2324f516cdb8603c78973d28aeb4
Reviewed-on: https://go-review.googlesource.com/1940
Reviewed-by: Russ Cox <rsc@golang.org>
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This approach was suggested in
https://golang.org/cl/138250043/#msg15.
Unlike current version of mksyscall_windows.go,
new code could be used in go.sys and other external
repos without help from asm.
LGTM=iant
R=golang-codereviews, iant, r
CC=golang-codereviews
https://golang.org/cl/143160046
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I will use different approach to solve this problem.
See CL 143160046 for details.
««« original CL description
syscall: keep Windows syscall pointers live too
Like https://golang.org/cl/139360044
LGTM=rsc, alex.brainman
R=alex.brainman, rsc
CC=golang-codereviews
https://golang.org/cl/138250043
»»»
LGTM=r
R=golang-codereviews, bradfitz, r
CC=golang-codereviews
https://golang.org/cl/147440043
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Like https://golang.org/cl/139360044
LGTM=rsc, alex.brainman
R=alex.brainman, rsc
CC=golang-codereviews
https://golang.org/cl/138250043
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Preparation was in CL 134570043.
This CL contains only the effect of 'hg mv src/pkg/* src'.
For more about the move, see golang.org/s/go14nopkg.
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