There is an unnecessary lower operation in isJSType.
Simple logic fix can improve tiny performance.
name old time/op new time/op delta
isJSType-8 152ns ± 0% 58ns ± 7% -61.82% (p=0.001 n=6+8)
name old alloc/op new alloc/op delta
isJSType-8 32.0B ± 0% 0.0B -100.00% (p=0.000 n=8+8)
name old allocs/op new allocs/op delta
isJSType-8 1.00 ± 0% 0.00 -100.00% (p=0.000 n=8+8)
Change-Id: I281aadf1677d4377920c9649af206381189a27e6
Reviewed-on: https://go-review.googlesource.com/c/go/+/177118
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
This reverts https://golang.org/cl/185080.
Reason for revert: some new changes are erroring again, so this broke the builders.
Change-Id: I28da16da98b90cefbb47173d31bbbb56e43062d5
Reviewed-on: https://go-review.googlesource.com/c/go/+/191781
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
state and ssafn both have their own Fatalf, so use them instead of
global Fatalf.
Updates #19683
Change-Id: Ie02a961d4285ab0a3f3b8d889a5b498d926ed567
Reviewed-on: https://go-review.googlesource.com/c/go/+/188539
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
First, add cpu and memory profiling flags, as these are useful to see
where rulegen is spending its time. It now takes many seconds to run on
a recent laptop, so we have to keep an eye on what it's doing.
Second, stop writing '_ = var' lines to keep imports and variables used
at all times. Now that rulegen removes all such unused names, they're
unnecessary.
To perform the removal, lean on go/types to first detect what names are
unused. We can configure it to give us all the type-checking errors in a
file, so we can collect all "declared but not used" errors in a single
pass.
We then use astutil.Apply to remove the relevant nodes based on the line
information from each unused error. This allows us to apply the changes
without having to do extra parser+printer roundtrips to plaintext, which
are far too expensive.
We need to do multiple such passes, as removing an unused variable
declaration might then make another declaration unused. Two passes are
enough to clean every file at the moment, so add a limit of three passes
for now to avoid eating cpu uncontrollably by accident.
The resulting performance of the changes above is a ~30% loss across the
table, since go/types is fairly expensive. The numbers were obtained
with 'benchcmd Rulegen go run *.go', which involves compiling rulegen
itself, but that seems reflective of how the program is used.
name old time/op new time/op delta
Rulegen 5.61s ± 0% 7.36s ± 0% +31.17% (p=0.016 n=5+4)
name old user-time/op new user-time/op delta
Rulegen 7.20s ± 1% 9.92s ± 1% +37.76% (p=0.016 n=5+4)
name old sys-time/op new sys-time/op delta
Rulegen 135ms ±19% 169ms ±17% +25.66% (p=0.032 n=5+5)
name old peak-RSS-bytes new peak-RSS-bytes delta
Rulegen 71.0MB ± 2% 85.6MB ± 2% +20.56% (p=0.008 n=5+5)
We can live with a bit more resource usage, but the time/op getting
close to 10s isn't good. To win that back, introduce concurrency in
main.go. This further increases resource usage a bit, but the real time
on this quad-core laptop is greatly reduced. The final benchstat is as
follows:
name old time/op new time/op delta
Rulegen 5.61s ± 0% 3.97s ± 1% -29.26% (p=0.008 n=5+5)
name old user-time/op new user-time/op delta
Rulegen 7.20s ± 1% 13.91s ± 1% +93.09% (p=0.008 n=5+5)
name old sys-time/op new sys-time/op delta
Rulegen 135ms ±19% 269ms ± 9% +99.17% (p=0.008 n=5+5)
name old peak-RSS-bytes new peak-RSS-bytes delta
Rulegen 71.0MB ± 2% 226.3MB ± 1% +218.72% (p=0.008 n=5+5)
It might be possible to reduce the cpu or memory usage in the future,
such as configuring go/types to do less work, or taking shortcuts to
avoid having to run it many times. For now, ~2x cpu and ~4x memory usage
seems like a fair trade for a faster and better rulegen.
Finally, we can remove the old code that tried to remove some unused
variables in a hacky and unmaintainable way.
Change-Id: Iff9e83e3f253babf5a1bd48cc993033b8550cee6
Reviewed-on: https://go-review.googlesource.com/c/go/+/189798
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
This removes a special case that was added to fix issue #10956, but that
was never actually effective. The code in the test case still fails to
read, so perhaps the zip64 support added in CL 6463050 inadvertently
caught this particular case.
It's possible that the original theorized bug still exists, but I'm not
convinced it was ever fixed.
Update #28700
Change-Id: I4854de616364510f64a6def30b308686563f8dbb
Reviewed-on: https://go-review.googlesource.com/c/go/+/179757
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Template.New calls t.init, which allocates several items that
are immediately rewritten by copy, so avoid the call to New
Change-Id: I16c7cb001bbcd14cf547c1a2db2734a2f8214e7e
Reviewed-on: https://go-review.googlesource.com/c/go/+/182757
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
The TestParseErrors test function was not strict with unwanted errors
received from url.Parse(). It was not failing in such cases, now it does.
Change-Id: I18a26a68c1136f5c762989a76e04b47e33dd35f1
GitHub-Last-Rev: c33f9842f7
GitHub-Pull-Request: golang/go#32954
Reviewed-on: https://go-review.googlesource.com/c/go/+/185080
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
Run-TryBot: Emmanuel Odeke <emm.odeke@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
TransmitFile does not allow for number of bytes that can be
transmitted to be larger than 2147483646. See
https://docs.microsoft.com/en-us/windows/win32/api/mswsock/nf-mswsock-transmitfile
for details. So adjust sendFile accordingly.
No test added, because this would require creating large file
(more than 2GB file).
Fixes#33193.
Change-Id: I82e0cb104d112264e4ea363bb20b6d02ac30b38e
Reviewed-on: https://go-review.googlesource.com/c/go/+/187037
Run-TryBot: Alex Brainman <alex.brainman@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
After Go.1.10+ strings.Builder is known as more efficient in
concatenating and building strings than bytes.Buffer.
In this CL,
there is a minor logic fix for getting advantage of strings.builder.
name old time/op new time/op delta
DefinedTemplate-8 543ns ± 3% 512ns ± 2% -5.73% (p=0.000 n=8+8)
name old alloc/op new alloc/op delta
DefinedTemplate-8 192B ± 0% 160B ± 0% -16.67% (p=0.000 n=8+8)
name old allocs/op new allocs/op delta
DefinedTemplate-8 5.00 ± 0% 5.00 ± 0% ~ (all equal)
Change-Id: Icda0054d146e6c5e32ed8a4d13221bb6850d31b4
Reviewed-on: https://go-review.googlesource.com/c/go/+/175261
Run-TryBot: Emmanuel Odeke <emm.odeke@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Add brief descriptions of why one might implement
an Is or As method.
Fixes#33364.
Change-Id: I81a091bf564c654ddb9ef3997e780451a01efb7a
Reviewed-on: https://go-review.googlesource.com/c/go/+/191338
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
Reviewed-by: Andrew Bonventre <andybons@golang.org>
Run-TryBot: Jonathan Amsterdam <jba@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Because TestUnmarshal actually allocates a new value to decode into
using ptr's pointer type, any existing data is thrown away. This was
harmless in alomst all of the test cases, minus the "overwriting of
data" ones added in 2015 in CL 12209.
I spotted that nothing covered decoding a JSON array with few elements
into a slice which already had many elements. I initially assumed that
the code was buggy or that some code could be removed, when in fact
there simply wasn't any code covering the edge case.
Move those two tests to TestPrefilled, which already served a very
similar purpose. Remove the map case, as TestPrefilled already has
plenty of prefilled map cases. Moreover, we no longer reset an entire
map when decoding, as per the godoc:
To unmarshal a JSON object into a map, Unmarshal first
establishes a map to use. If the map is nil, Unmarshal allocates
a new map. Otherwise Unmarshal reuses the existing map, keeping
existing entries.
Finally, to ensure that ptr is used correctly in the future, make
TestUnmarshal error if it's anything other than a pointer to a zero
value. That is, the only correct use should be new(type). Don't rename
the ptr field, as that would be extremely noisy and cause unwanted merge
conflicts.
Change-Id: I41e3ecfeae42d877ac5443a6bd622ac3d6c8120c
Reviewed-on: https://go-review.googlesource.com/c/go/+/185738
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
rulegen.go produces plaintext Go code directly, which was fine for a
while. However, that's started being a bottleneck for making code
generation more complex, as we can only generate code directly one line
at a time.
Some workarounds were used, like multiple layers of buffers to generate
chunks of code, to then use strings.Contains to see whether variables
need to be defined or not. However, that's error-prone, verbose, and
difficult to work with.
A better approach is to generate an intermediate syntax tree in memory,
which we can inspect and modify easily. For example, we could run a
number of "passes" on the syntax tree before writing to disk, such as
removing unused variables, simplifying logic, or moving declarations
closer to their uses.
This is the first step in that direction, without changing any of the
generated code. We didn't use go/ast directly, as it's too complex for
our needs. In particular, we only need a few kinds of simple statements,
but we do want to support arbitrary expressions. As such, define a
simple set of statement structs, and add thin layers for printer.Fprint
and ast.Inspect.
A nice side effect of this change, besides removing some buffers and
string handling, is that we can now avoid passing so many parameters
around. And, while we add over a hundred lines of code, the tricky
pieces of code are now a bit simpler to follow.
While at it, apply some cleanups, such as replacing isVariable with
token.IsIdentifier, and consistently using log.Fatalf.
Follow-up CLs will start improving the generated code, also simplifying
the rulegen code itself. I've added some TODOs for the low-hanging fruit
that I intend to work on right after.
Updates #30810.
Change-Id: Ic371c192b29c85dfc4a001be7fbcbeec85facc9d
Reviewed-on: https://go-review.googlesource.com/c/go/+/177539
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
HTTP is an initialism, not an acronym, where you pronounce each letter as a
word. It's "an H", not "a H".
Running `find src/net/http -type f | xargs grep -n 'an HTTP' | wc -l` shows
that the "an HTTP" form is used 67 times across the `net/http` package.
Furthermore, `find src/net/http -type f | xargs grep -n 'a HTTP' | wc -l`
yields only 4 results.
Change-Id: I219c292a9e2c9bf7a009dbfe82ea8b15874685e9
GitHub-Last-Rev: 6ebd095023
GitHub-Pull-Request: golang/go#33810
Reviewed-on: https://go-review.googlesource.com/c/go/+/191700
Reviewed-by: Toshihiro Shiino <shiino.toshihiro@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
After golang.org/cl/33895, function adjustctx can not be inlined,
cost 82 exceeds budget 80
Change-Id: Ie559ed80ea2c251add940a99f11b2983f6cbddbc
Reviewed-on: https://go-review.googlesource.com/c/go/+/187977
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
Array accesses with index types smaller than the machine word size may
involve a sign or zero extension of the index value before bounds
checking. Currently, this defeats prove because the facts about the
original index value don't flow through the sign/zero extension.
This CL fixes this by looking back through value-preserving sign/zero
extensions when adding facts via Update and, where appropriate, applying
the same facts using the pre-extension value. This fix is enhanced by
also looking back through value-preserving extensions within
ft.isNonNegative to infer whether the extended value is known to be
non-negative. Without this additional isNonNegative enhancement, this
logic is rendered significantly less effective by the limitation
discussed in the next paragraph.
In Update, the application of facts to pre-extension values is limited
to cases where the domain of the new fact is consistent with the type of
the pre-extension value. There may be cases where this cross-domain
passing of facts is valid, but distinguishing them from the invalid
cases is difficult for me to reason about and to implement.
Assessing which cases to allow requires details about the context and
inferences behind the fact being applied which are not available
within Update. Additional difficulty arises from the fact that the SSA
does not curently differentiate extensions added by the compiler for
indexing operations, extensions added by the compiler for implicit
conversions, or explicit extensions from the source.
Examples of some cases that would need to be filtered correctly for
cross-domain facts:
(1) A uint8 is zero-extended to int for indexing (a value-preserving
zeroExt). When, if ever, can signed domain facts learned about the int be
applied to the uint8?
(2) An int8 is sign-extended to int16 (value-preserving) for an equality
comparison. Equality comparison facts are currently always learned in both
the signed and unsigned domains. When, if ever, can the unsigned facts
learned about the int16, from the int16 != int16 comparison, be applied
to the original int8?
This is an alternative to CL 122695 and CL 174309. Compared to CL 122695,
this CL differs in that the facts added about the pre-extension value will
pass through the Update method, where additional inferences are processed
(e.g. fence-post implications, see #29964). CL 174309 is limited to bounds
checks, so is narrower in application, and makes the code harder to read.
Fixes#26292.
Fixes#29964.
Fixes#15074
Removes 238 bounds checks from std/cmd.
Change-Id: I1f87c32ee672bfb8be397b27eab7a4c2f304893f
Reviewed-on: https://go-review.googlesource.com/c/go/+/174704
Run-TryBot: Zach Jones <zachj1@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Giovanni Bajo <rasky@develer.com>
directlyAssignable invoked rtype.Name() just to compare its result
to empty string. We really only need to check whether rtype has
name. It can be done much cheaper, by checking tflagNamed.
Benchmark: https://play.golang.org/p/V2BzESPuf2w
name old time/op new time/op delta
DirectlyAssignable-12 32.7ns ± 6% 6.6ns ± 6% -79.80% (p=0.008 n=5+5)
Fixes#32186
Change-Id: I1a2a167dbfddf319fba3015cb6a011bf010f99a8
Reviewed-on: https://go-review.googlesource.com/c/go/+/178518
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Don't skip closing parentheses of any kind after a missing
expression. They are likely part of the lexical construct
enclosing the expression.
Fixes#33386.
Change-Id: Ic0abc2037ec339a345ec357ccc724b7ad2a64c00
Reviewed-on: https://go-review.googlesource.com/c/go/+/188502
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Some constants were added above the initial copyright blurb, and then
later a new copyright blurb was added on top of that. So we wound up
with two header sections, one of which contained a useful comment that
became obscured. This commit fixes up that mistake.
Change-Id: I8b9b8c34495cdceae959e151e8ccdee3137f6ca4
Reviewed-on: https://go-review.googlesource.com/c/go/+/191841
Run-TryBot: Jason A. Donenfeld <Jason@zx2c4.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Quietly drop duplicate methods inherited from embedded interfaces if
they have an identical signature to existing methods.
Updates #6977.
Change-Id: I144151cb7d99695f12b555c0db56207993c56284
Reviewed-on: https://go-review.googlesource.com/c/go/+/187519
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
Move checkdupfields call into expandiface, and inline/simplify offmod.
More prep work for implementing #6977.
Change-Id: I958ae87f761ec25a8fa7298a2a3019eeca5b25ba
Reviewed-on: https://go-review.googlesource.com/c/go/+/187518
Reviewed-by: Robert Griesemer <gri@golang.org>
Allows avoiding the Type.Fields call, which affects prevents
checkdupfields from being called at the more natural point during
dowidth.
Change-Id: I724789c860e7fffba1e8e876e2d74dcfba85d75c
Reviewed-on: https://go-review.googlesource.com/c/go/+/187517
Reviewed-by: Robert Griesemer <gri@golang.org>
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
The stack of delayed actions is grown by pushing a new action
on top with Checker.later. Checker.processDelayed processes
all actions above a top watermark and then resets the stack
to top.
Until now, pushed actions above the watermark were processed
in LIFO order. This change processes them in FIFO order, which
seems more natural (if an action A was delayed before an action
B, A should be processed before B for that stack segment).
(With this change, Checker.later could be used instead of
Checker.atEnd to postpone interface method type comparison
and then the specific example in issue #33656 does type-check.
However, in general we want interface method type comparisons
to run after all interfaces are completed. With Checker.later
we may still end up mixing interface completions and interface
method type comparisons in ways leading to other errors for
sufficiently convoluted code.)
Also, move Checker.processDelayed from resolver.go to check.go.
Change-Id: Id31254605e6944c490eab410553fff907630cc64
Reviewed-on: https://go-review.googlesource.com/c/go/+/191458
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Introduce a new list of final actions that is executed at the
end of type checking and use it to collect method type comparisons
and also map key checks.
Fixes#33656.
Change-Id: Ia77a35a45a9d7eaa7fc3e9e19f41f32dcd6ef9d9
Reviewed-on: https://go-review.googlesource.com/c/go/+/191418
Reviewed-by: Alan Donovan <adonovan@google.com>
When creating a new interface via the exported API calls, a shared
empty and completed Interface value is returned if there are no
methods or embedded interfaces. This is a minor optimization and
matches the internal behavior when creating empty interfaces.
Since calling Interface.Complete is idempotent, and since there
are no other legitimate ways to create Interface values externally
but via NewInterface/NewInterfaceType calls, and completed Interfaces
are considered "immutable", this change is not expected to affect
clients. The only observable behavior that changed is the string
value for empty interfaces created via the above API calls; those
empty interfaces now don't show "incomplete" anymore even before
Interface.Complete is called. Except in special test cases, this
behavior is unlikely to affect clients.
Change-Id: Idf7f2cd112241c5b81a43b4544bbe3f2e003d8d8
Reviewed-on: https://go-review.googlesource.com/c/go/+/191417
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Quietly drop duplicate methods from embedded interfaces
if they have an identical signature to existing methods.
Instead of adjusting the prior syntax-based only method set
computation where methods don't have signature information
(and thus where de-duplication according to the new rules
would have been somewhat tricky to get right), this change
completely rewrites interface method set computation, taking
a page from the cmd/compiler's implementation. In a first
pass, when type-checking interfaces, explicit methods and
embedded interfaces are collected, but the interfaces are
not "expanded", that is the final method set computation
is done lazily, either when needed for method lookup, or
at the end of type-checking.
While this is a substantial rewrite, it allows us to get
rid of the separate (duplicate and delicate) syntactical
method set computation and generally simplifies checking
of interface types significantly. A few (esoteric) test
cases now have slightly different error messages but all
tests that are accepted by cmd/compile are also accepted
by go/types.
(This is a replacement for golang.org/cl/190258.)
Updates #6977.
Change-Id: Ic8b9321374ab4f617498d97c12871b69d1119735
Reviewed-on: https://go-review.googlesource.com/c/go/+/191257
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Specifying -halt in `go test -run Check$ -halt` causes a panic
upon encountering the first error. The stack trace is useful to
determine what code path issued the error.
Change-Id: I2e17e0014ba87505b01786980b98565f468065bf
Reviewed-on: https://go-review.googlesource.com/c/go/+/190257
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
The doc comments of both ServerContextKey and LocalAddrContextKey both suggest that context.WithValue can be used to access (get) properties of the server or connection. This PR fixes those comments to refer to Context.Value instead.
Change-Id: I4ed383ef97ba1951f90c555243007469cfc18d4d
GitHub-Last-Rev: 05bc3acf82
GitHub-Pull-Request: golang/go#33833
Reviewed-on: https://go-review.googlesource.com/c/go/+/191838
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This reverts commit 739123c3a3.
Reason for revert: broke Windows and Plan 9 builders
Fixes#33828
Change-Id: I1d85c81549b1b34924fdd0ade8bf9406e5cf6555
Reviewed-on: https://go-review.googlesource.com/c/go/+/191742
Run-TryBot: Andrew Bonventre <andybons@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Jonathan Amsterdam <jba@google.com>
This saves a redirect and makes the document more consistent.
Change-Id: Ib7f68b1967275c0c676a044314919449680297f3
Reviewed-on: https://go-review.googlesource.com/c/go/+/191537
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Update vendored x/arch repo to pick up the fix of issue #33802.
This is done with the following commands:
$ cd $GOROOT/src/cmd
$ go get -d golang.org/x/arch@latest
go: finding golang.org/x/arch latest
go: downloading golang.org/x/arch v0.0.0-20190815191158-8a70ba74b3a1
go: extracting golang.org/x/arch v0.0.0-20190815191158-8a70ba74b3a1
$ go mod tidy
$ go mod vendor
Fixes#33802.
Change-Id: I0a44f1d83d6f573124cea1f099378b1c851f3feb
Reviewed-on: https://go-review.googlesource.com/c/go/+/191619
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Jay Conrod <jayconrod@google.com>
The -m flag is removed in Go 1.13. -d should be used instead.
Change-Id: Ia53764748309f16cb231e5ac6770400a73804484
Reviewed-on: https://go-review.googlesource.com/c/go/+/191621
Run-TryBot: Jay Conrod <jayconrod@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Update golang.org/x/net to v0.0.0-20190813141303-74dc4d7220e7 to import
the following security fix.
commit 74dc4d7220e7acc4e100824340f3e66577424772
Author: Filippo Valsorda <filippo@golang.org>
Date: Sun Aug 11 02:12:18 2019 -0400
http2: limit number of control frames in server send queue
An attacker could cause servers to queue an unlimited number of PING
ACKs or RST_STREAM frames by soliciting them and not reading them, until
the program runs out of memory.
Limit control frames in the queue to a few thousands (matching the limit
imposed by other vendors) by counting as they enter and exit the scheduler,
so the protection will work with any WriteScheduler.
Once the limit is exceeded, close the connection, as we have no way to
communicate with the peer.
Change-Id: I842968fc6ed3eac654b497ade8cea86f7267886b
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/525552
Reviewed-by: Brad Fitzpatrick <bradfitz@google.com>
This change was generated with cmd/go and cmd/bundle:
$ go get -u golang.org/x/net
$ go mod tidy
$ go mod vendor
$ go generate net/http
Fixes CVE-2019-9512 and CVE-2019-9514
Fixes#33606
Change-Id: I464baf96175006aa101d65d3b0f6494f28a626ab
Reviewed-on: https://go-review.googlesource.com/c/go/+/190137
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
- Add doc to syscall.Errno (and syscall.ErrorString for plan9).
- Mention under `syscall` in release notes.
Fixes#33436.
Change-Id: I032ffebaa76ed67eb9d748e7645ca73f26144ea0
Reviewed-on: https://go-review.googlesource.com/c/go/+/191337
Reviewed-by: Ian Lance Taylor <iant@golang.org>
As of Go 1.13rc1, TimeoutHandler supports the Flusher and Pusher interfaces and
this change corrects its documentation to say that.
Fixes#33769
Updates #29193
Change-Id: Ia0523f7f2e3dc1f8f0b68950b85a7bf81c4abe60
GitHub-Last-Rev: 5310d2c960
GitHub-Pull-Request: golang/go#33770
Reviewed-on: https://go-review.googlesource.com/c/go/+/191237
Reviewed-by: Andrew Bonventre <andybons@golang.org>
Run-TryBot: Andrew Bonventre <andybons@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Document that:
* math/big.Float.Parse
* math/big.Int.SetString
* strconv.ParseFloat
* strconv.ParseInt
* strconv.ParseUint
now accept underscores to group digits only if base = 0,
as per the Go 2 language changes.
Updates #32815
Change-Id: Id45bd803a18442436419739297e8aed0d32ca56c
Reviewed-on: https://go-review.googlesource.com/c/go/+/191077
Reviewed-by: Robert Griesemer <gri@golang.org>
This reverts CL 151157.
CL 151157 introduced a crash when decoding into ",string" fields. It
came with a moderate speedup, so at this stage of the release cycle
let's just revert it, and reapply it in Go 1.14 with the fix in CL 190659.
Also applied the test cases from CL 190659.
Updates #33728
Change-Id: Ie46e2bc15224b251888580daf6b79d5865f3878e
Reviewed-on: https://go-review.googlesource.com/c/go/+/190909
Run-TryBot: Andrew Bonventre <andybons@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Andrew Bonventre <andybons@golang.org>
This CL makes the go command understand that
GOSUMDB=sum.golang.google.cn should connect
to that domain but expect to find a checksum database
signed by sum.golang.org there.
The host sum.golang.google.cn is not yet completely
configured; we hope it will be available in a few weeks.
Change-Id: Ie0fc4323f0c7084dda59bd3b45fc406717fa16d9
Reviewed-on: https://go-review.googlesource.com/c/go/+/191137
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Andrew Bonventre <andybons@golang.org>
The docs refer to "the last two paragraphs", but in fact should refer to
the first two of the previous three paragraphs. Moved up the out of place
paragraph.
Updates #14295
Change-Id: I066da7a665bc6754d246782b941af214a385017a
Reviewed-on: https://go-review.googlesource.com/c/go/+/190839
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Change-Id: I75619feced842b8ca509ee08e01b63258c5e87ca
Reviewed-on: https://go-review.googlesource.com/c/go/+/190757
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Currently test build fails with:
$ go test -tags=gofuzz encoding/json
encoding/json/fuzz.go:36:4: Println call has possible formatting directive %s
FAIL encoding/json [build failed]
Change-Id: I23aef44a421ed0e7bcf48b74ac5a8c6768a4841b
Reviewed-on: https://go-review.googlesource.com/c/go/+/190698
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
CL 131196 optimized Time.Sub, but was reverted because
it incorrectly computed the nanoseconds in some edge cases.
This CL adds a test case to enforce the correct behavior
so that a future optimization does not break this again.
Updates #17858
Updates #33677
Change-Id: I596d8302ca6bf721cf7ca11cc6f939639fcbdd43
Reviewed-on: https://go-review.googlesource.com/c/go/+/190524
Run-TryBot: Joe Tsai <thebrokentoaster@gmail.com>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Reviewed-by: Andrew Bonventre <andybons@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
