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Change-Id: I3b20c90322a0c0deec68a161b8fcbab9188fb6b2
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Change-Id: I42891b98d822d57aaead8815d2a32ea625e8437b
Reviewed-on: https://go-review.googlesource.com/c/go/+/339450
Run-TryBot: David Chase <drchase@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Alexander Rakoczy <alex@golang.org>
Trust: Damien Neil <dneil@google.com>
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TestCancelRequestWhenSharingConnection
This test made many requests over the same connection for 10
seconds, trusting that this will exercise the request cancelation
race from #41600.
Change the test to exhibit the specific race in a targeted fashion
with only two requests.
Fixes #47534.
Updates #41600.
Updates #47016.
Change-Id: If99c9b9331ff645f6bb67fe9fb79b8aab8784710
Reviewed-on: https://go-review.googlesource.com/c/go/+/339594
Trust: Damien Neil <dneil@google.com>
Run-TryBot: Damien Neil <dneil@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
(cherry picked from commit 6e738868a7a943d7d4fd6bb1963e7f6d78111726)
Reviewed-on: https://go-review.googlesource.com/c/go/+/339829
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This patch reinstates a fix for PowerPC with regard to making VDSO calls
while receiving a signal, and subsequently crashing. The crash happens
because certain VDSO calls can modify the r30 register, which is where g
is stored. This change was reverted for PowerPC because r30 is supposed
to be a non-volatile register. This is true, but that only makes a
guarantee across function calls, but not "within" a function call. This
patch was seemingly fine before because the Linux kernel still had hand
rolled assembly VDSO function calls, however with a recent change to C
function calls it seems the compiler used can generate instructions
which temporarily clobber r30. This means that when we receive a signal
during one of these calls the value of r30 will not be the g as the
runtime expects, causing a segfault.
You can see from this assembly dump how the register is clobbered during
the call:
(the following is from a 5.13rc2 kernel)
```
Dump of assembler code for function __cvdso_clock_gettime_data:
0x00007ffff7ff0700 <+0>: cmplwi r4,15
0x00007ffff7ff0704 <+4>: bgt 0x7ffff7ff07f0 <__cvdso_clock_gettime_data+240>
0x00007ffff7ff0708 <+8>: li r9,1
0x00007ffff7ff070c <+12>: slw r9,r9,r4
0x00007ffff7ff0710 <+16>: andi. r10,r9,2179
0x00007ffff7ff0714 <+20>: beq 0x7ffff7ff0810 <__cvdso_clock_gettime_data+272>
0x00007ffff7ff0718 <+24>: rldicr r10,r4,4,59
0x00007ffff7ff071c <+28>: lis r9,32767
0x00007ffff7ff0720 <+32>: std r30,-16(r1)
0x00007ffff7ff0724 <+36>: std r31,-8(r1)
0x00007ffff7ff0728 <+40>: add r6,r3,r10
0x00007ffff7ff072c <+44>: ori r4,r9,65535
0x00007ffff7ff0730 <+48>: lwz r8,0(r3)
0x00007ffff7ff0734 <+52>: andi. r9,r8,1
0x00007ffff7ff0738 <+56>: bne 0x7ffff7ff07d0 <__cvdso_clock_gettime_data+208>
0x00007ffff7ff073c <+60>: lwsync
0x00007ffff7ff0740 <+64>: mftb r30 <---- RIGHT HERE
=> 0x00007ffff7ff0744 <+68>: ld r12,40(r6)
```
What I believe is happening is that the kernel changed the PowerPC VDSO
calls to use standard C calls instead of using hand rolled assembly. The
hand rolled assembly calls never touched r30, so this change was safe to
roll back. That does not seem to be the case anymore as on the 5.13rc2
kernel the compiler *is* generating assembly which modifies r30, making
this change again unsafe and causing a crash when the program receives a
signal during these calls (which will happen often due to async
preempt). This change happened here:
https://lwn.net/ml/linux-kernel/235e5571959cfa89ced081d7e838ed5ff38447d2.1601365870.git.christophe.leroy@csgroup.eu/.
I realize this was reverted due to unexplained hangs in PowerPC
builders, but I think we should reinstate this change and investigate
those issues separately:
https://github.com/golang/go/commit/f4ca3c1e0a2066ca4f7bd6203866d282ed34acf2
Fixes #46857
Change-Id: Ib18d7bbfc80a1a9cb558f0098878d41081324b52
GitHub-Last-Rev: c3002bcfca3ef58b27485e31328e6297b7a9dfe7
GitHub-Pull-Request: golang/go#46767
Reviewed-on: https://go-review.googlesource.com/c/go/+/328110
Run-TryBot: Lynn Boger <laboger@linux.vnet.ibm.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Trust: Lynn Boger <laboger@linux.vnet.ibm.com>
(cherry picked from commit 16e82be454cbf41299e6a055d54d489ca4612ee0)
Reviewed-on: https://go-review.googlesource.com/c/go/+/334411
Run-TryBot: Carlos Amedee <carlos@golang.org>
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package paths in 'go mod vendor'
copyMetadata walk-up to parent directory until the pkg become modPath.
But pkg should be slash-separated paths. It have to use path.Dir instead of
filepath.Dir.
Updates #46867
Fixes #47014
Change-Id: I44cf1429fe52379a7415b94cc30ae3275cc430e8
Reviewed-on: https://go-review.googlesource.com/c/go/+/330149
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Trust: Bryan C. Mills <bcmills@google.com>
Trust: Alexander Rakoczy <alex@golang.org>
Trust: Carlos Amedee <carlos@golang.org>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
(cherry picked from commit 835d86a17ebf32a3cb081f66119c74363dbd8825)
Reviewed-on: https://go-review.googlesource.com/c/go/+/332330
Reviewed-by: Jay Conrod <jayconrod@google.com>
Run-TryBot: Carlos Amedee <carlos@golang.org>
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non-standard calls on ARM64
On ARM64, (external) linker generated trampoline may clobber R16
and R17. In CL 183842 we change Duff's devices not to use those
registers. However, this is not enough. The register allocator
also needs to know that these registers may be clobbered in any
calls that don't follow the standard Go calling convention. This
include Duff's devices and the write barrier.
Fixes #46927.
Updates #32773.
Change-Id: Ia52a891d9bbb8515c927617dd53aee5af5bd9aa4
Reviewed-on: https://go-review.googlesource.com/c/go/+/184437
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Meng Zhuo <mzh@golangcn.org>
Reviewed-by: Keith Randall <khr@golang.org>
Trust: Meng Zhuo <mzh@golangcn.org>
(cherry picked from commit 11b4aee05bfe83513cf08f83091e5aef8b33e766)
Reviewed-on: https://go-review.googlesource.com/c/go/+/331030
Trust: Cherry Mui <cherryyz@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
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in a cycle
When hitting an import cycle in reusePackage, and there is already
an error set, make sure IsImportCycle is set so that we don't
end up stuck in a loop.
Updates #25830
Fixes #47347
Change-Id: Iba966aea4a637dfc34ee22782a477209ac48c9bd
Reviewed-on: https://go-review.googlesource.com/c/go/+/301289
Trust: Roland Shoemaker <roland@golang.org>
Run-TryBot: Roland Shoemaker <roland@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Jay Conrod <jayconrod@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
(cherry picked from commit cdd08e615a9b92742b21a94443720b6d70452510)
Reviewed-on: https://go-review.googlesource.com/c/go/+/336669
Trust: Bryan C. Mills <bcmills@google.com>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
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request body
Reading from an incoming request body after the request handler aborts
with a panic can cause a panic, becuse http.Server does not (contrary
to its documentation) close the request body in this case.
Always close the incoming request body in ReverseProxy.ServeHTTP to
ensure that any in-flight outgoing requests using the body do not
read from it.
Fixes #47473
Updates #46866
Fixes CVE-2021-36221
Change-Id: I310df269200ad8732c5d9f1a2b00de68725831df
Reviewed-on: https://go-review.googlesource.com/c/go/+/333191
Trust: Damien Neil <dneil@google.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
(cherry picked from commit b7a85e0003cedb1b48a1fd3ae5b746ec6330102e)
Reviewed-on: https://go-review.googlesource.com/c/go/+/338550
Trust: Filippo Valsorda <filippo@golang.org>
Run-TryBot: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
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Change-Id: Ia5ae002730c2c0e6bea5e9a10bf335af3ef23e23
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Change-Id: Id56b45b4911db7f659d53b8797daebe954964c34
Reviewed-on: https://go-review.googlesource.com/c/go/+/334090
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
Trust: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
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When casting the certificate public key in generateClientKeyExchange,
check the type is appropriate. This prevents a panic when a server
agrees to a RSA based key exchange, but then sends an ECDSA (or
other) certificate.
Updates #47143
Fixes #47144
Fixes CVE-2021-34558
Thanks to Imre Rad for reporting this issue.
Change-Id: Iabccacca6052769a605cccefa1216a9f7b7f6aea
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1116723
Reviewed-by: Filippo Valsorda <valsorda@google.com>
Reviewed-by: Katie Hockman <katiehockman@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/334030
Trust: Filippo Valsorda <filippo@golang.org>
Run-TryBot: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
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of hard failing
Instead of hard failing on a single bad record, filter the bad records
and return anything valid. This only applies to the methods which can
return multiple records, LookupMX, LookupNS, LookupSRV, and LookupAddr.
When bad results are filtered out, also return an error, indicating
that this filtering has happened.
Updates #46241
Updates #46979
Fixes #47012
Change-Id: I6493e0002beaf89f5a9795333a93605abd30d171
Reviewed-on: https://go-review.googlesource.com/c/go/+/332549
Trust: Roland Shoemaker <roland@golang.org>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
(cherry picked from commit 296ddf2a936a30866303a64d49bc0e3e034730a8)
Reviewed-on: https://go-review.googlesource.com/c/go/+/333331
Run-TryBot: Roland Shoemaker <roland@golang.org>
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Bypass hostname validity checking when a null mx record is returned as,
defined in RFC 7505.
Updates #46979
Updates #47012
Change-Id: Ibe683bd6b47333a8ff30909fb2680ec8e10696ef
Reviewed-on: https://go-review.googlesource.com/c/go/+/332094
Trust: Roland Shoemaker <roland@golang.org>
Trust: Katie Hockman <katie@golang.org>
Run-TryBot: Roland Shoemaker <roland@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Katie Hockman <katie@golang.org>
(cherry picked from commit 03761ede028d811dd7d7cf8a2690d4bfa2771d85)
Reviewed-on: https://go-review.googlesource.com/c/go/+/332372
Run-TryBot: Katie Hockman <katie@golang.org>
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The compiler machinery that generates "map.zero" symbols marks them as
RODATA and DUPOK, which is problematic when a given application has
multiple map zero symbols (from different packages) with varying
sizes: the dupok path in the loader assumes that if two symbols have
the same name, it is safe to pick any of the versions. In the case of
map.zero, the link needs to select the largest symbol, not an
arbitrary sym.
This patch changes the linker's dupok symbol loading path to detect
this problem, and in situations where we're loading a dupok symbol
whose name is the same as an existing symbol but whose size is large,
select the new dup over the old. Note: this fix differs from the one
used in 1.16/1.17, which uses content-addressable symbols instead.
Fixes #46656.
Change-Id: Iabd2feef01d448670ba795c7eaddc48c191ea276
Reviewed-on: https://go-review.googlesource.com/c/go/+/326211
Trust: Than McIntosh <thanm@google.com>
Run-TryBot: Than McIntosh <thanm@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
(cherry picked from commit aa5540cd82170f82c6fe11511e12de96aa58cbc1)
Reviewed-on: https://go-review.googlesource.com/c/go/+/326213
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failure on Fedora
For #46752
Fixes #46768
Change-Id: I2eaa9d15fac4e859e18191fcf1372e5be94899df
GitHub-Last-Rev: f533c37ff9d259e307b200a01e3606bfaff10464
GitHub-Pull-Request: golang/go#46753
Reviewed-on: https://go-review.googlesource.com/c/go/+/328069
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
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linker when testing supported flag
When testing if a flag (e.g. "-no-pie") is supported by the
external linker, pass arch-specific flags (like "-marm").
In particular, on the ARM builder, if CGO_LDFLAGS=-march=armv6
is set, the C toolchain fails to build if -marm is not passed.
# cc -march=armv6 1.c
1.c: In function 'main':
1.c:3:1: sorry, unimplemented: Thumb-1 hard-float VFP ABI
int main() {
^~~
This makes the Go linker think "-no-pie" is not supported when it
actually is.
Passing -marm makes it work.
Fixes #46684.
Change-Id: I4e8b71f08818993cbbcb2494b310c68d812d6b50
Reviewed-on: https://go-review.googlesource.com/c/go/+/278592
Trust: Cherry Zhang <cherryyz@google.com>
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
(cherry picked from commit a318d56c1e6e89996a3852a780f45c792d860d64)
Reviewed-on: https://go-review.googlesource.com/c/go/+/326711
Run-TryBot: Carlos Amedee <carlos@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Dmitri Shuralyov <dmitshur@golang.org>
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Change-Id: I90b28aa5938fe0bddf11201c6bdb851de5c654c3
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Change-Id: Ib0907538e78ef9b272be8858bc8b52c8b7d6c71a
Reviewed-on: https://go-review.googlesource.com/c/go/+/324551
Run-TryBot: David Chase <drchase@google.com>
Trust: David Chase <drchase@google.com>
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Reviewed-by: Carlos Amedee <carlos@golang.org>
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Also don't unnecessarily deref the error return.
Updates #46504
Fixes #46531
Change-Id: I22d14ac76776f8988fa0774bdcb5fcd801ce0185
Reviewed-on: https://go-review.googlesource.com/c/go/+/324190
Trust: David Chase <drchase@google.com>
Trust: Damien Neil <dneil@google.com>
Run-TryBot: David Chase <drchase@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
(cherry picked from commit dd7ba3ba2c860c40be6d70b63d4a678449cae80f)
Reviewed-on: https://go-review.googlesource.com/c/go/+/324333
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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is newer than supported
This backports the test from CL 319669, but — because of extensive
changes to the module loader during the Go 1.16 and 1.17 cycles — the
implementation is entirely different. (This implementation is based on
the addGoStmt function already present in init.go.)
Fixes #46143
Updates #46142
Change-Id: Ib7a0a159e53cbe476be6aa9a050add10cc750dec
Reviewed-on: https://go-review.googlesource.com/c/go/+/319710
Trust: Bryan C. Mills <bcmills@google.com>
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Reviewed-by: Jay Conrod <jayconrod@google.com>
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TestScript/mod_readonly
For some reason, the go.mod file added to this test in CL 147281 lists
'go 1.20' instead of the version that was actually current when the
go.mod file was added.
That causes the test's behavior to change under lazy loading, because
1.20 is above the threshold to trigger lazy-loading invariants (1.17).
This backports CL 314049 to Go 1.15 in order to fix a spurious test
failure in a subsequent change.
For #46143
Updates #46142
Updates #36460
Change-Id: I92400996cb051ab30e99bfffafd91ff32a1e7087
Reviewed-on: https://go-review.googlesource.com/c/go/+/314049
Trust: Bryan C. Mills <bcmills@google.com>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-on: https://go-review.googlesource.com/c/go/+/319709
Reviewed-by: Jay Conrod <jayconrod@google.com>
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ppc64le trampolines
When creating programs with large text sections on ppc64le,
trampolines are needed for calls that are too far; however
they are not created if the code is generated such that the TOC
register r2 is initialized and maintained in the code because
then the external linker can create the trampolines. Previously
the function DynlinkingGo was used to determine this but in the
case where plugins are used, this could return true even though
r2 is not valid.
To fix this problem I've added a new function r2Valid which returns
true when the build options indicate that the r2 is
initialized and maintained. Because of the ways that
DynlinkingGo is used I wanted to maintain its previous
behavior.
Fixes #46002
Change-Id: I6d902eba6ad41757aa6474948b79acdbd479cb38
Reviewed-on: https://go-review.googlesource.com/c/go/+/315289
Trust: Lynn Boger <laboger@linux.vnet.ibm.com>
Run-TryBot: Lynn Boger <laboger@linux.vnet.ibm.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
(cherry picked from commit 9ed736ac2a99aa2e7ef7d8bed3b01ca8b20a6f80)
Reviewed-on: https://go-review.googlesource.com/c/go/+/317974
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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TestMissingStatusNoPanic
If the client request never makes it to the server, the outstanding
accept is never broken. Change the test to always close the listening
socket when the client request completes.
Updates #45358
Change-Id: I744a91dfa11704e7e528163d7669c394e90456dc
Reviewed-on: https://go-review.googlesource.com/c/go/+/319275
Trust: Heschi Kreinick <heschi@google.com>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
(cherry picked from commit c0a7ecfae775a9d50d338e8123fac32a5d04308c)
Reviewed-on: https://go-review.googlesource.com/c/go/+/320189
Reviewed-by: Damien Neil <dneil@google.com>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
Run-TryBot: Damien Neil <dneil@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
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Previously, we'd fail to remove the Connection header from a request
like this:
Connection:
Connection: x-header
Updates #46313
Fixes #46314
Fixes CVE-2021-33197
Change-Id: Ie3009e926ceecfa86dfa6bcc6fe14ff01086be7d
Reviewed-on: https://go-review.googlesource.com/c/go/+/321929
Run-TryBot: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Katie Hockman <katie@golang.org>
Trust: Katie Hockman <katie@golang.org>
Trust: Filippo Valsorda <filippo@golang.org>
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Reviewed-on: https://go-review.googlesource.com/c/go/+/323091
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reasonably sized
Since the number of files in the EOCD record isn't validated, it isn't
safe to preallocate Reader.Files using that field. A malformed archive
can indicate it contains up to 1 << 128 - 1 files. We can still safely
preallocate the slice by checking if the specified number of files in
the archive is reasonable, given the size of the archive.
Thanks to the OSS-Fuzz project for discovering this issue and to
Emmanuel Odeke for reporting it.
Updates #46242
Fixes #46396
Fixes CVE-2021-33196
Change-Id: I3c76d8eec178468b380d87fdb4a3f2cb06f0ee76
Reviewed-on: https://go-review.googlesource.com/c/go/+/318909
Trust: Roland Shoemaker <roland@golang.org>
Trust: Katie Hockman <katie@golang.org>
Trust: Joe Tsai <thebrokentoaster@gmail.com>
Run-TryBot: Roland Shoemaker <roland@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Katie Hockman <katie@golang.org>
Reviewed-by: Joe Tsai <thebrokentoaster@gmail.com>
(cherry picked from commit 74242baa4136c7a9132a8ccd9881354442788c8c)
Reviewed-on: https://go-review.googlesource.com/c/go/+/322949
Reviewed-by: Filippo Valsorda <filippo@golang.org>
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For the methods LookupCNAME, LookupSRV, LookupMX, LookupNS, and
LookupAddr check that the returned domain names are in fact valid DNS
names using the existing isDomainName function.
Thanks to Philipp Jeitner and Haya Shulman from Fraunhofer SIT for
reporting this issue.
Updates #46241
Fixes #46356
Fixes CVE-2021-33195
Change-Id: I47a4f58c031cb752f732e88bbdae7f819f0af4f3
Reviewed-on: https://go-review.googlesource.com/c/go/+/323131
Trust: Roland Shoemaker <roland@golang.org>
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Reviewed-by: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Katie Hockman <katie@golang.org>
(cherry picked from commit cdcd02842da7c004efd023881e3719105209c908)
Reviewed-on: https://go-review.googlesource.com/c/go/+/323269
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Found by OSS-Fuzz https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33284
Thanks to Emmanuel Odeke for reporting this issue.
Updates #45910
Fixes #46305
Fixes CVE-2021-33198
Change-Id: I61e7b04dbd80343420b57eede439e361c0f7b79c
Reviewed-on: https://go-review.googlesource.com/c/go/+/316149
Trust: Robert Griesemer <gri@golang.org>
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TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Katie Hockman <katie@golang.org>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
(cherry picked from commit 6c591f79b0b5327549bd4e94970f7a279efb4ab0)
Reviewed-on: https://go-review.googlesource.com/c/go/+/321831
Run-TryBot: Katie Hockman <katie@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
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When linking a very large binary, the section address may not fit
in int32. Don't truncate it.
Fixes #46127.
Updates #46126.
Change-Id: Ibcc8d74bf5662611949e547ce44ca8b973de383f
Reviewed-on: https://go-review.googlesource.com/c/go/+/319289
Trust: Cherry Mui <cherryyz@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
(cherry picked from commit af0f8c149e8a4b237910fc7b41739bedc546473c)
Reviewed-on: https://go-review.googlesource.com/c/go/+/319370
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The s390x assembly for shlVU does a forward copy when the shift amount s
is 0. This causes corruption of the result z when z is aliased to the
input x.
This fix removes the s390x assembly for both shlVU and shrVU so the pure
go implementations will be used.
Test cases have been added to the existing TestShiftOverlap test to
cover shift values of 0, 1 and (_W - 1).
Fixes #45335
Change-Id: I75ca0e98f3acfaa6366a26355dcd9dd82499a48b
Reviewed-on: https://go-review.googlesource.com/c/go/+/274442
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Trust: Robert Griesemer <gri@golang.org>
(cherry picked from commit b1369d5862bc78eaa902ae637c874e6a6133f1f9)
Reviewed-on: https://go-review.googlesource.com/c/go/+/320169
Trust: Carlos Amedee <carlos@golang.org>
Run-TryBot: Carlos Amedee <carlos@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
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arguments > 1
Don't overwrite incoming test data.
The change uses copy instead of assigning statement to avoid this.
For #45335
Change-Id: Ib907101822d811de5c45145cb9d7961907e212c3
Reviewed-on: https://go-review.googlesource.com/c/go/+/250137
Run-TryBot: Emmanuel Odeke <emm.odeke@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
(cherry picked from commit 41bc0a1713b9436e96c2d64211ad94e42cafd591)
Reviewed-on: https://go-review.googlesource.com/c/go/+/319831
Run-TryBot: Carlos Amedee <carlos@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Carlos Amedee <carlos@golang.org>
Reviewed-by: Jonathan Albrecht <jonathan.albrecht@ibm.com>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
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Change-Id: I32e96d4675ba1c6a87b193f41700f6aa83b85bd1
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Change-Id: I2d5e242a8324ae76e9d78b94cbc2825561b0c2de
Reviewed-on: https://go-review.googlesource.com/c/go/+/317650
Run-TryBot: Heschi Kreinick <heschi@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Trust: Carlos Amedee <carlos@golang.org>
Trust: Heschi Kreinick <heschi@google.com>
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Most of the time, the pprof tests are passing, except
for the builder. The reason is still unknown but I'd rather release
the builder to avoid missing other more important bugs.
Updates #45170
Change-Id: I667543ee1ae309b7319c5b3676a0901b4d0ecf2e
Reviewed-on: https://go-review.googlesource.com/c/go/+/306489
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Trust: Lynn Boger <laboger@linux.vnet.ibm.com>
(cherry picked from commit 7bfd681c2f11918c6245ad2906b2efc12eda2914)
Reviewed-on: https://go-review.googlesource.com/c/go/+/317369
Reviewed-by: Heschi Kreinick <heschi@google.com>
Trust: Dmitri Shuralyov <dmitshur@golang.org>
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
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expandFinalInlineFrame
This is a follow-up to golang.org/cl/301369, which made the same change
in Frames.Next. The same logic applies here: a profile stack may have
been truncated at an invalid PC provided by cgoTraceback.
expandFinalInlineFrame will then try to lookup the inline tree and
crash.
The same fix applies as well: upon encountering a bad PC, simply leave
it as-is and move on.
For #44971
For #45480
Fixes #45481
Change-Id: I2823c67a1f3425466b05384cc6d30f5fc8ee6ddc
Reviewed-on: https://go-review.googlesource.com/c/go/+/309109
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Trust: Michael Pratt <mpratt@google.com>
(cherry picked from commit aad13cbb749d1e6c085ff0556d306de1a2d5d063)
Reviewed-on: https://go-review.googlesource.com/c/go/+/309550
Run-TryBot: Michael Pratt <mpratt@google.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
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The timerpMask optimization updates a mask of Ps (potentially)
containing timers in pidleget / pidleput. For correctness, it depends on
the assumption that new timers can only be added to a P's own heap.
addtimer violates this assumption if it is preempted after computing pp.
That G may then run on a different P, but adding a timer to the original
P's heap.
Avoid this by disabling preemption while pp is in use.
Other uses of doaddtimer should be OK:
* moveTimers: always moves to the current P's heap
* modtimer, cleantimers, addAdjustedTimers, runtimer: does not add net
new timers to the heap while locked
For #44868
Fixes #45731
Change-Id: I4a5d080865e854931d0a3a09a51ca36879101d72
Reviewed-on: https://go-review.googlesource.com/c/go/+/300610
Trust: Michael Pratt <mpratt@google.com>
Run-TryBot: Michael Pratt <mpratt@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-on: https://go-review.googlesource.com/c/go/+/313129
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Michael Pratt <mpratt@google.com>
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20210428183841-261fb518b1ed
Steps:
go get -d golang.org/x/net@release-branch.go1.15
go mod tidy
go mod vendor
This http2 bundle does not need to be updated.
Fixes #45711
Change-Id: I085ca592dfc8d5d9c328a7979142e88e7130a813
Reviewed-on: https://go-review.googlesource.com/c/go/+/314790
Trust: Katie Hockman <katie@golang.org>
Run-TryBot: Katie Hockman <katie@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
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Change-Id: I964039a36b7c2c6ef217717755ad78595a3b71fb
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extend string
If the current time is computed from extend string
and the zone file contains multiple zones with the
same name, the lookup by name might find incorrect
zone.
This happens for example with the slim Europe/Dublin
time zone file in the embedded zip. This zone file
has last transition in 1996 and rest is covered by
extend string.
tzset returns IST as the zone name to use, but there
are two records with IST name. Lookup by name finds
the wrong one. We need to check offset and isDST too.
In case we can't find an existing zone, we allocate
a new zone so that we use correct offset and isDST.
I have renamed zone variable to zones as it shadowed
the zone type that we need to allocate the cached zone.
Backport note: this change also incorporates portions of
CL 264077.
For #45370
Fixes #45384
Change-Id: I43d416d009e20878261156c821a5784e2407ed1f
Reviewed-on: https://go-review.googlesource.com/c/go/+/307212
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
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Change-Id: I601bb0b69e8204055ce37150b50779818a339169
Reviewed-on: https://go-review.googlesource.com/c/go/+/306570
Run-TryBot: Carlos Amedee <carlos@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
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The cgo header has an unnecessary space in the exported function
definition on non-windows goos.
This was introduced in go1.16 so it would be good to fix it before
release.
Example:
// Current behavior, notice there is an unecessary space
// between extern and void
extern void Foo();
// With this CL
extern void Foo();
Updates #43591.
Change-Id: Ic2c21f8d806fe35a7be7183dbfe35ac605b6e4f6
Reviewed-on: https://go-review.googlesource.com/c/go/+/283892
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Katie Hockman <katie@golang.org>
Reviewed-on: https://go-review.googlesource.com/c/go/+/300694
Trust: Dmitri Shuralyov <dmitshur@golang.org>
Trust: Emmanuel Odeke <emmanuel@orijtech.com>
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
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buildmode=pie
Marking one functions with __declspec(dllexport) forces mingw to
create .reloc section without having to export all symbols.
See https://insights.sei.cmu.edu/cert/2018/08/when-aslr-is-not-really-aslr---the-case-of-incorrect-assumptions-and-bad-defaults.html for more info.
This change cuts 73kb of a "hello world" pie binary.
Updates #6853.
Updates #40795.
Fixes #43592.
Change-Id: I3cc57c3b64f61187550bc8751dfa085f106c8475
Reviewed-on: https://go-review.googlesource.com/c/go/+/264459
Trust: Alex Brainman <alex.brainman@gmail.com>
Run-TryBot: Alex Brainman <alex.brainman@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Reviewed-by: Austin Clements <austin@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/300692
Trust: Dmitri Shuralyov <dmitshur@golang.org>
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: David Chase <drchase@google.com>
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buildmode=c-shared
Disable default symbol auto-export behaviour by marking exported
function with the __declspec(dllexport) attribute. Old behaviour can
still be used by setting -extldflags=-Wl,--export-all-symbols.
See https://sourceware.org/binutils/docs/ld/WIN32.html for more info.
This change cuts 50kb of a "hello world" dll.
Updates #6853.
Updates #30674.
Fixes #43591.
Change-Id: I9c7fb09c677cc760f24d0f7d199740ae73981413
Reviewed-on: https://go-review.googlesource.com/c/go/+/262797
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Trust: Alex Brainman <alex.brainman@gmail.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/300693
Trust: Dmitri Shuralyov <dmitshur@golang.org>
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: David Chase <drchase@google.com>
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When using cgo, some of the frames can be provided by cgoTraceback, a
cgo-provided function to generate C tracebacks. Unlike Go tracebacks,
cgoTraceback has no particular guarantees that it produces valid
tracebacks.
If one of the (invalid) frames happens to put the PC in the alignment
region at the end of a function (filled with int 3's on amd64), then
Frames.Next will find a valid funcInfo for the PC, but pcdatavalue will
panic because PCDATA doesn't cover this PC.
Tolerate this case by doing a non-strict PCDATA lookup. We'll still show
a bogus frame, but at least avoid throwing.
For #44971
Fixes #45302
Change-Id: I9eed728470d6f264179a7615bd19845c941db78c
Reviewed-on: https://go-review.googlesource.com/c/go/+/301369
Trust: Michael Pratt <mpratt@google.com>
Run-TryBot: Michael Pratt <mpratt@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
(cherry picked from commit e4a4161f1f3157550846e1b6bd4fe83aae15778e)
Reviewed-on: https://go-review.googlesource.com/c/go/+/305890
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intertwined phi values
We need to be careful that when doing value graph surgery, we not
re-substitute a value that has already been substituted. That can lead
to confusing a previous iteration's value with the current iteration's
value.
The simple fix in this CL just aborts the optimization if it detects
intertwined phis (a phi which is the argument to another phi). It
might be possible to keep the optimization with a more complicated
CL, but:
1) This CL is clearly safe to backport.
2) There were no instances of this abort triggering in
all.bash, prior to the test introduced in this CL.
Fixes #45187
Change-Id: I2411dca03948653c053291f6829a76bec0c32330
Reviewed-on: https://go-review.googlesource.com/c/go/+/304251
Trust: Keith Randall <khr@golang.org>
Trust: Josh Bleecher Snyder <josharian@gmail.com>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
(cherry picked from commit 771c57e68ed5ef2bbb0eafc0d48419f59d143932)
Reviewed-on: https://go-review.googlesource.com/c/go/+/304529
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Tx acquires tx.closemu W-lock and then acquires stmt.closemu.W-lock
to fully close the transaction and associated prepared statement.
Stmt query and execution run in reverse ways - acquires
stmt.closemu.R-lock and then acquires tx.closemu.R-lock to grab tx
connection, which may cause deadlock.
Prevent the lock is held around tx.closePrepared to ensure no
deadlock happens.
Includes a test fix from CL 266097.
Fixes #42884
Updates #40985
Updates #42259
Change-Id: Id52737660ada3cebdfff6efc23366cdc3224b8e8
Reviewed-on: https://go-review.googlesource.com/c/go/+/250178
Run-TryBot: Emmanuel Odeke <emmanuel@orijtech.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Daniel Theophanes <kardianos@gmail.com>
Trust: Emmanuel Odeke <emmanuel@orijtech.com>
(cherry picked from commit d4c1ad882973e407ff85b977f4ce5b9435451190)
Reviewed-on: https://go-review.googlesource.com/c/go/+/284513
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
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run.rc
We used to clear GOPATH in all the build scripts.
Clearing GOPATH is misleading at best, since you just end up
with the default GOPATH (%USERPROFILE%\go on Windows).
Unless that's your GOROOT, in which case you end up with a
fatal error from the go command (#43938).
run.bash changed to setting GOPATH=/dev/null, which has no
clear analogue on Windows.
run.rc still clears GOPATH.
Change them all to set GOPATH to a non-existent directory
/nonexist-gopath or c:\nonexist-gopath.
For #45238.
Fixes #45239.
Change-Id: I51edd66d37ff6a891b0d0541d91ecba97fbbb03d
Reviewed-on: https://go-review.googlesource.com/c/go/+/288818
Trust: Russ Cox <rsc@golang.org>
Trust: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Reviewed-by: Jason A. Donenfeld <Jason@zx2c4.com>
(cherry picked from commit bb6efb96092cc8ae398c29e3b052a0051c746f88)
Reviewed-on: https://go-review.googlesource.com/c/go/+/304773
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Alexander Rakoczy <alex@golang.org>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Trust: Carlos Amedee <carlos@golang.org>
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error
CL 220905 added code to identify alternate transports that always error
by using http2erringRoundTripper. This does not work when the transport
is from another package, e.g., http2.erringRoundTripper.
Expose a new method that allow detection of such a RoundTripper.
Switch to an interface that is both a RoundTripper and can return the
underlying error.
Fixes #45076.
Updates #40213.
Change-Id: I170739857ab9e99dffb5fa55c99b24b23c2f9c54
Reviewed-on: https://go-review.googlesource.com/c/go/+/243258
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
Run-TryBot: Emmanuel Odeke <emm.odeke@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-on: https://go-review.googlesource.com/c/go/+/304210
Trust: Dmitri Shuralyov <dmitshur@golang.org>
Trust: Emmanuel Odeke <emmanuel@orijtech.com>
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
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Bring in the change in CL 304309 with:
go mod edit -replace=golang.org/x/net=golang.org/x/net@release-branch.go1.15-bundle
GOFLAGS='-mod=mod' go generate -run=bundle std
go mod edit -dropreplace=golang.org/x/net
go get -d golang.org/x/net@release-branch.go1.15
go mod tidy
go mod vendor
For #45076.
Updates #40213.
Change-Id: I68d5e1f2394508c9cf8627fb852dd9e906d45016
Reviewed-on: https://go-review.googlesource.com/c/go/+/305489
Trust: Dmitri Shuralyov <dmitshur@golang.org>
Trust: Emmanuel Odeke <emmanuel@orijtech.com>
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
TryBot-Result: Go Bot <gobot@golang.org>
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packages
Currently, in the trampoline generation pass we expect packages
are laid out in dependency order, so a cross-package jump always
has a known target address so we can check if a trampoline is
needed. With linknames, there can be cycles in the package
dependency graph, making this algorithm no longer work. For them,
as the target address is unkown we conservatively generate a
trampoline. This may generate unnecessary trampolines (if the
packages turn out laid together), but package cycles are extremely
rare so this is fine.
Updates #44639.
Fixes #44748.
Change-Id: I2dc2998edacbda27d726fc79452313a21d07787a
Reviewed-on: https://go-review.googlesource.com/c/go/+/292490
Trust: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
(cherry picked from commit 098504c73ff6ece19566a1ac811ceed73be7c81d)
Reviewed-on: https://go-review.googlesource.com/c/go/+/298030
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
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missing ziphash file
Previously, if an extracted module directory existed in the module
cache, but the corresponding ziphash file did not, if the sum was
missing from go.sum, we would not verify the sum. This caused 'go get'
not to write missing sums. 'go build' in readonly mode (now the
default) checks for missing sums and doesn't attempt to fetch modules
that can't be verified against go.sum.
With this change, when requesting the module directory with
modfetch.DownloadDir, if the ziphash file is missing, the go command
will re-hash the zip without downloading or re-extracting it again.
Note that the go command creates the ziphash file before the module
directory, but another program could remove it separately, and it
might not be present after a crash.
Fixes #44872
Change-Id: I64551e048a3ba17d069de1ec123d5b8b2757543c
Reviewed-on: https://go-review.googlesource.com/c/go/+/298352
Trust: Jay Conrod <jayconrod@google.com>
Run-TryBot: Jay Conrod <jayconrod@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
(cherry picked from commit 302a400316319501748c0f034464fa70e7815272)
Reviewed-on: https://go-review.googlesource.com/c/go/+/299830
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