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Change-Id: I2536f540cb7271f1edfcfb3a126e62ebf0c24261
Reviewed-on: https://go-review.googlesource.com/c/go/+/526138
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
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Add a new GODEBUG setting, tlsmaxrsasize, which allows controlling the
maximum RSA key size we will accept during TLS handshakes.
Fixes #61968
Change-Id: I52f060be132014d219f4cd438f59990011a35c96
Reviewed-on: https://go-review.googlesource.com/c/go/+/517495
Auto-Submit: Roland Shoemaker <roland@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
Run-TryBot: Roland Shoemaker <roland@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-on: https://go-review.googlesource.com/c/go/+/518536
Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
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Historically, the Transport has silently truncated invalid
Host headers at the first '/' or ' ' character. CL 506996 changed
this behavior to reject invalid Host headers entirely.
Unfortunately, Docker appears to rely on the previous behavior.
When sending a HTTP/1 request with an invalid Host, send an empty
Host header. This is safer than truncation: If you care about the
Host, then you should get the one you set; if you don't care,
then an empty Host should be fine.
Continue to fully validate Host headers sent to a proxy,
since proxies generally can't productively forward requests
without a Host.
For #60374
Fixes #61431
Fixes #61825
Change-Id: If170c7dd860aa20eb58fe32990fc93af832742b6
Reviewed-on: https://go-review.googlesource.com/c/go/+/511155
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Run-TryBot: Damien Neil <dneil@google.com>
(cherry picked from commit b9153f6ef338baee5fe02a867c8fbc83a8b29dd1)
Reviewed-on: https://go-review.googlesource.com/c/go/+/518855
Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
Run-TryBot: Roland Shoemaker <roland@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
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With #60078 accepted, we expect Go 1.22 will have different
for loop semantics than Go 1.19 did.
Go 1.19 is already unsupported, but add a check anyway, just to
help catch some mistakes and usage of old Go toolchains
beyond their end-of-support.
Note that Go 1.19 can keep being used indefinitely with pre-Go 1.22 code.
This change only makes it refuse to build code that says it needs
Go 1.22 semantics, because Go 1.19 does not provide those.
Cherry-pick of the change from the Go 1.20 branch.
For #60078.
Change-Id: I75118d6fbd0cc08a6bc309aca54c389a255ba7dc
Reviewed-on: https://go-review.googlesource.com/c/go/+/518675
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-on: https://go-review.googlesource.com/c/go/+/518815
Auto-Submit: Russ Cox <rsc@golang.org>
TryBot-Bypass: Russ Cox <rsc@golang.org>
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Change-Id: Id84d0d837b59d52e0c93560f0c31dc7226cad912
Reviewed-on: https://go-review.googlesource.com/c/go/+/514937
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Gopher Robot <gobot@golang.org>
Run-TryBot: Gopher Robot <gobot@golang.org>
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8192 bits
Extremely large RSA keys in certificate chains can cause a client/server
to expend significant CPU time verifying signatures. Limit this by
restricting the size of RSA keys transmitted during handshakes to <=
8192 bits.
Based on a survey of publicly trusted RSA keys, there are currently only
three certificates in circulation with keys larger than this, and all
three appear to be test certificates that are not actively deployed. It
is possible there are larger keys in use in private PKIs, but we target
the web PKI, so causing breakage here in the interests of increasing the
default safety of users of crypto/tls seems reasonable.
Thanks to Mateusz Poliwczak for reporting this issue.
Updates #61460
Fixes #61579
Fixes CVE-2023-29409
Change-Id: Ie35038515a649199a36a12fc2c5df3af855dca6c
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1912161
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Tatiana Bradley <tatianabradley@google.com>
Run-TryBot: Roland Shoemaker <bracewell@google.com>
(cherry picked from commit d865c715d92887361e4bd5596e19e513f27781b7)
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1965487
Reviewed-on: https://go-review.googlesource.com/c/go/+/514915
Run-TryBot: David Chase <drchase@google.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
TryBot-Bypass: David Chase <drchase@google.com>
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ops for riscv64
Go's memory model closely follows the approach C++ concurrency memory
model (https://go.dev/ref/mem) and Go atomic "has the same semantics as C++'s
sequentially consistent atomics".
Meanwhile according to RISCV manual A.6 "Mappings from C/C++ primitives to RISC-V primitives".
C/C++ atomic operations (memory_order_acq_rel) should be map to "amo<op>.{w|d}.aqrl"
LR/SC (memory_order_acq_rel) should map to "lr.{w|d}.aq; <op>; sc.{w|d}.rl"
goos: linux
goarch: riscv64
pkg: runtime/internal/atomic
│ atomic.old.bench │ atomic.new.bench │
│ sec/op │ sec/op vs base │
AtomicLoad64-4 4.216n ± 1% 4.202n ± 0% ~ (p=0.127 n=10)
AtomicStore64-4 5.040n ± 0% 6.718n ± 0% +33.30% (p=0.000 n=10)
AtomicLoad-4 4.217n ± 0% 4.213n ± 0% ~ (p=0.145 n=10)
AtomicStore-4 5.040n ± 0% 6.718n ± 0% +33.30% (p=0.000 n=10)
And8-4 9.237n ± 0% 9.240n ± 0% ~ (p=0.582 n=10)
And-4 5.878n ± 0% 6.719n ± 0% +14.31% (p=0.000 n=10)
And8Parallel-4 28.44n ± 0% 28.46n ± 0% +0.07% (p=0.000 n=10)
AndParallel-4 28.40n ± 0% 28.43n ± 0% +0.11% (p=0.000 n=10)
Or8-4 8.399n ± 0% 8.398n ± 0% ~ (p=0.357 n=10)
Or-4 5.879n ± 0% 6.718n ± 0% +14.27% (p=0.000 n=10)
Or8Parallel-4 28.43n ± 0% 28.45n ± 0% +0.09% (p=0.000 n=10)
OrParallel-4 28.40n ± 0% 28.43n ± 0% +0.11% (p=0.000 n=10)
Xadd-4 30.05n ± 0% 30.10n ± 0% +0.18% (p=0.000 n=10)
Xadd64-4 30.05n ± 0% 30.09n ± 0% +0.12% (p=0.000 n=10)
Cas-4 60.48n ± 0% 61.13n ± 0% +1.08% (p=0.000 n=10)
Cas64-4 62.28n ± 0% 62.34n ± 0% ~ (p=0.810 n=10)
Xchg-4 30.05n ± 0% 30.09n ± 0% +0.15% (p=0.000 n=10)
Xchg64-4 30.05n ± 0% 30.09n ± 0% +0.13% (p=0.000 n=10)
geomean 15.42n 16.17n +4.89%
Fixes #61470
Change-Id: I97b5325db50467eeec36fb079bded7b09a32330f
Reviewed-on: https://go-review.googlesource.com/c/go/+/508715
Reviewed-by: Austin Clements <austin@google.com>
Reviewed-by: Joel Sing <joel@sing.id.au>
Run-TryBot: M Zhuo <mzh@golangcn.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
(cherry picked from commit 890b96f7abd8ba5b2243959d9b49c212a0fc4d78)
Reviewed-on: https://go-review.googlesource.com/c/go/+/511495
Reviewed-by: M Zhuo <mzh@golangcn.org>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Bypass: Matthew Dempsky <mdempsky@google.com>
Auto-Submit: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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On our linux-arm64 builders, we're getting permission errors despite
running as root. Detect those errors and skip the test.
For #61414.
Fixes #61448.
Change-Id: I5d7c45789337bee3860b19335bbb9eb884c48986
Reviewed-on: https://go-review.googlesource.com/c/go/+/510737
Auto-Submit: Heschi Kreinick <heschi@google.com>
Run-TryBot: Heschi Kreinick <heschi@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
(cherry picked from commit 8e1ec1cb9385414a7d6b664d8ace6bc9468cc500)
Reviewed-on: https://go-review.googlesource.com/c/go/+/511097
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Bypass: Heschi Kreinick <heschi@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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masking
This backport required manual cleanup as go1.20 combined the
ANDCCconst and ANDconst opcodes into one. Similarly, CL 456736
introduced a suble bug by using (Select1 (ANDCCconst ...)). This
usually worked because the same rule quietly changes the type
of the newly created ANDCCconst to a tuple. This change exposed
the bug, so fix it too.
(ANDconst [y] (MOV.*reg x)) should only be merged when zero
extending. Otherwise, sign bits are lost on negative values.
(ANDconst [0xFF] (MOVBreg x)) should be simplified to a zero
extension of x. Likewise for the MOVHreg variant.
Fixes #61319
Change-Id: I04e4fd7dc6a826e870681f37506620d48393698b
Reviewed-on: https://go-review.googlesource.com/c/go/+/508775
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Paul Murphy <murp@ibm.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/509018
Auto-Submit: Heschi Kreinick <heschi@google.com>
TryBot-Bypass: Heschi Kreinick <heschi@google.com>
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Change-Id: Ic6685cba7c4cf96dfc0c837df90002f557e9e86a
Reviewed-on: https://go-review.googlesource.com/c/go/+/508837
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Gopher Robot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Heschi Kreinick <heschi@google.com>
Auto-Submit: Gopher Robot <gobot@golang.org>
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Verify that the Host header we send is valid.
Avoids surprising behavior such as a Host of "go.dev\r\nX-Evil:oops"
adding an X-Evil header to HTTP/1 requests.
Add a test, skip the test for HTTP/2. HTTP/2 is not vulnerable to
header injection in the way HTTP/1 is, but x/net/http2 doesn't validate
the header and will go into a retry loop when the server rejects it.
CL 506995 adds the necessary validation to x/net/http2.
Updates #60374
Fixes #61075
For CVE-2023-29406
Change-Id: I05cb6866a9bead043101954dfded199258c6dd04
Reviewed-on: https://go-review.googlesource.com/c/go/+/506996
Reviewed-by: Tatiana Bradley <tatianabradley@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Damien Neil <dneil@google.com>
(cherry picked from commit 499458f7ca04087958987a33c2703c3ef03e27e2)
Reviewed-on: https://go-review.googlesource.com/c/go/+/507358
Run-TryBot: Tatiana Bradley <tatianabradley@google.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
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goroutine
When reusing a g struct the runtime did not reset
g.raceignore. Initialize raceignore to zero when initially
setting racectx.
A goroutine can end with a non-zero raceignore if it exits
after calling runtime.RaceDisable without a matching
runtime.RaceEnable. If that goroutine's g is later reused
the race detector is in a weird state: the underlying
g.racectx is active, yet g.raceignore is non-zero, and
raceacquire/racerelease which check g.raceignore become
no-ops. This causes the race detector to report races when
there are none.
For #60934
Fixes #60948
Change-Id: Ib8e412f11badbaf69a480f03740da70891f4093f
Reviewed-on: https://go-review.googlesource.com/c/go/+/505055
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Michael Knyszek <mknyszek@google.com>
(cherry picked from commit 48dbb6227acf3ebc8ac21924567aa2b6d5064915)
Reviewed-on: https://go-review.googlesource.com/c/go/+/505675
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
TryBot-Bypass: Carlos Amedee <carlos@golang.org>
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TestWindowsStackMemory*
Original version of TestWindowsStackMemory did not consider sysmon and
other threads running during the test. Allow for 5 extra threads in this
test - this should cover any new threads in the future.
For #58570
Fixes #61054
Change-Id: I215790f9b94ff40a32ddd7aa54af715d1dc391c6
Reviewed-on: https://go-review.googlesource.com/c/go/+/473415
Reviewed-by: Michael Pratt <mpratt@google.com>
Run-TryBot: Alex Brainman <alex.brainman@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
(cherry picked from commit f6cbc1da05da141a78ee33954b52d17642c95130)
Reviewed-on: https://go-review.googlesource.com/c/go/+/506975
Run-TryBot: Michael Knyszek <mknyszek@google.com>
Auto-Submit: Michael Knyszek <mknyszek@google.com>
(cherry picked from commit 08a58dd8b6337c9bac93face4c386a918a3dd97b)
Reviewed-on: https://go-review.googlesource.com/c/go/+/506976
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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The gccgo on the builder is not updated to support runtime/cgo
For #60306.
For #60513.
Change-Id: If0fb1ccdf589cc9741f6a065bacfa4f06e64ec15
Reviewed-on: https://go-review.googlesource.com/c/go/+/501435
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
(cherry picked from commit 688d75b14fd7646d66c18825f22f0a67e9fafd9e)
Reviewed-on: https://go-review.googlesource.com/c/go/+/505596
Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
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racecallatomic
In racecallatomic, we do a load before calling into TSAN, so if
the address is invalid we fault on the Go stack. We currently use
a 8-byte load instruction, regardless of the data size that the
atomic operation is performed on. So if, say, we are doing a
LoadUint32 at an address that is the last 4 bytes of a memory
mapping, we may fault unexpectedly. Do a 1-byte load instead.
(Ideally we should do a load with the right size, so we fault
correctly if we're given an unaligned address for a wide load
across a page boundary. Leave that for another CL.)
Fix AMD64, ARM64, and PPC64. The code already uses 1-byte load
on S390X.
Fixes #60844.
Updates #60825.
Change-Id: I3dee93eb08ba180c85e86a9d2e71b5b520e8dcf0
Reviewed-on: https://go-review.googlesource.com/c/go/+/503937
Run-TryBot: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: David Chase <drchase@google.com>
(cherry picked from commit 1a7709d6af76c06d465c5e969b502fc206f8e687)
Reviewed-on: https://go-review.googlesource.com/c/go/+/503977
Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
TryBot-Bypass: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Austin Clements <austin@google.com>
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in 'go mod tidy'
We don't normally keep explicit requirements for test dependencies of
packages loaded from other modules when the required version is
already the selected version in the module graph. However, in some
cases we may need to keep an explicit requirement in order to make use
of lazy module loading to disambiguate an otherwise-ambiguous import.
Note that there is no Go version guard for this change: in the cases
where the behavior of 'go mod tidy' has changed, previous versions of
Go would produce go.mod files that break successive calls to
'go mod tidy'. Given that, I suspect that any existing user in the
wild affected by this bug either already has a workaround in place
using redundant import statements (in which case the change does not
affect them) or is running 'go mod tidy -e' to force past the error
(in which case a change in behavior to a non-error should not be
surprising).
Updates #60313.
Fixes #60351.
Change-Id: Idf294f72cbe3904b871290d79e4493595a0c7bfc
Reviewed-on: https://go-review.googlesource.com/c/go/+/496635
Auto-Submit: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
Reviewed-by: Russ Cox <rsc@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
(cherry picked from commit 2ed6a54a39339ca37e9da4530b3f37a9d29b7c84)
Reviewed-on: https://go-review.googlesource.com/c/go/+/499636
TryBot-Bypass: Bryan Mills <bcmills@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
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The test is fixed at tip, but it is non-trivial enough to backport
to (potentionally the last) Go 1.19 minor release. Skip the test.
Fixes #60637.
Change-Id: I0425b703a5270b680346b63ab38c47b890a3a3bf
Reviewed-on: https://go-review.googlesource.com/c/go/+/501824
TryBot-Result: Gopher Robot <gobot@golang.org>
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error that includes the import path
This refines the error output that was previously adjusted in CL 437298.
Longer term, we should consider unraveling the call chains involving
formatOutput to avoid passing so many parameters through so many
different formatting functions.
Updates #60710.
Updates #60650.
Updates #25842.
Change-Id: I3b9d03bf5968902d8ccc4841ab4dbe114a2239e4
Reviewed-on: https://go-review.googlesource.com/c/go/+/451218
Reviewed-by: Bryan Mills <bcmills@google.com>
Auto-Submit: Russ Cox <rsc@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-on: https://go-review.googlesource.com/c/go/+/502196
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
TryBot-Bypass: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
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-e -export
go list -e -export puts errors running build actions on the load.Package
corresponding to the failed action rather than exiting with a non zero
exit code.
Fixes #60710.
Fixes #60650.
Updates #25842.
Change-Id: I1fea85cc5a0557f514fe9d4ed3b6a858376fdcde
Reviewed-on: https://go-review.googlesource.com/c/go/+/437298
Run-TryBot: Bryan Mills <bcmills@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
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Auto-Submit: Bryan Mills <bcmills@google.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
Reviewed-on: https://go-review.googlesource.com/c/go/+/502195
TryBot-Bypass: Bryan Mills <bcmills@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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a '//line' directive with a multiline file path
Line directives do not provide a way to escape newline characters, so
source file paths containing newlines must not be written in them.
Updates #60515.
Updates #60167.
Change-Id: I30f8b381cc7d1df6914c27591544edf424a4b634
Reviewed-on: https://go-review.googlesource.com/c/go/+/501578
Reviewed-by: Robert Griesemer <gri@google.com>
Auto-Submit: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
(cherry picked from commit d1087efa42ea0b0f011283a87d7a732cba51e4ad)
Reviewed-on: https://go-review.googlesource.com/c/go/+/501823
Reviewed-by: Ian Lance Taylor <iant@google.com>
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contains a newline
cmd/cover uses '//line' directives to map instrumented source files
back to the original source file and line numbers.
Line directives have no way to escape newline characters, so cmd/cover
must not be used with source file paths that contain such characters.
Updates #60515.
Updates #60167.
Change-Id: I6dc039392d59fc3a5a6121ef6ca97b0ab0da5288
Reviewed-on: https://go-review.googlesource.com/c/go/+/501577
Auto-Submit: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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(cherry picked from commit 3d78c735fc7d213e23383b9744297bd5251dc0e3)
Reviewed-on: https://go-review.googlesource.com/c/go/+/501822
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directives would contain a newline
cmd/cgo uses '//line' directives to map generated source
files back to the original source file and line nmubers.
The line directives have no way to escape newline characters,
so cmd/cgo must not be used if the line directives would contain
such characters.
Updates #60515.
Updates #60167.
Change-Id: I8581cea74d6c08f82e86ed87127e81252e1bf78c
Reviewed-on: https://go-review.googlesource.com/c/go/+/501576
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Bryan Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
(cherry picked from commit c48228312e7fdd9580078f58f5f4a287ce1185d5)
Reviewed-on: https://go-review.googlesource.com/c/go/+/501821
TryBot-Bypass: Bryan Mills <bcmills@google.com>
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CGO_ENABLED=0
Updates #60515.
Updates #60167.
Change-Id: I3792682e80a3c48d78a3b9e647cc968a1d5c8f2b
Reviewed-on: https://go-review.googlesource.com/c/go/+/501575
Auto-Submit: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
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Reviewed-by: Ian Lance Taylor <iant@google.com>
(cherry picked from commit e2b1c0baa600968345d18c6ab339f07b09763da1)
Reviewed-on: https://go-review.googlesource.com/c/go/+/501820
TryBot-Bypass: Bryan Mills <bcmills@google.com>
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go version lines more often in pre-1.21 modules
This updates the logic from CL 489075 to avoid trying to save extra
sums if they aren't already expected to be present
and cfg.BuildMod != "mod" (as in the case of "go list -m -u all" with
a go.mod file that specifies go < 1.21).
Fixes #60697.
Updates #60667.
Updates #56222.
Change-Id: Ied6ed3e80a62f9cd9a328b43a415a42d14481056
Reviewed-on: https://go-review.googlesource.com/c/go/+/502017
Reviewed-by: Michael Matloob <matloob@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
Run-TryBot: Bryan Mills <bcmills@google.com>
TryBot-Bypass: Bryan Mills <bcmills@google.com>
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For #60306
For #60513
Change-Id: I8b37d74433456f3270c2ea465ecf406da6e5a578
Reviewed-on: https://go-review.googlesource.com/c/go/+/501297
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: David Chase <drchase@google.com>
TryBot-Bypass: Dmitri Shuralyov <dmitshur@golang.org>
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Change-Id: I2005c04787ac85f4ec62eb9a9c21d8ebc9018199
Reviewed-on: https://go-review.googlesource.com/c/go/+/501237
Run-TryBot: Gopher Robot <gobot@golang.org>
Auto-Submit: Gopher Robot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
TryBot-Bypass: David Chase <drchase@google.com>
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Directory or file paths containing newlines may cause tools (such as
cmd/cgo) that emit "//line" or "#line" -directives to write part of
the path into non-comment lines in generated source code. If those
lines contain valid Go code, it may be injected into the resulting
binary.
(Note that Go import paths and file paths within module zip files
already could not contain newlines.)
Thanks to Juho Nurminen of Mattermost for reporting this issue.
Updates #60167.
Fixes #60515.
Fixes CVE-2023-29402.
Change-Id: If55d0400c02beb7a5da5eceac60f1abeac99f064
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1882606
Reviewed-by: Roland Shoemaker <bracewell@google.com>
Run-TryBot: Roland Shoemaker <bracewell@google.com>
Reviewed-by: Russ Cox <rsc@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
(cherry picked from commit 41f9046495564fc728d6f98384ab7276450ac7e2)
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1902229
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1904343
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/501218
Run-TryBot: David Chase <drchase@google.com>
Auto-Submit: Michael Knyszek <mknyszek@google.com>
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Enforce that linker flags which expect arguments get them, otherwise it
may be possible to smuggle unexpected flags through as the linker can
consume what looks like a flag as an argument to a preceding flag (i.e.
"-Wl,-O -Wl,-R,-bad-flag" is interpreted as "-O=-R -bad-flag"). Also be
somewhat more restrictive in the general format of some flags.
Thanks to Juho Nurminen of Mattermost for reporting this issue.
Updates #60305
Fixes #60511
Fixes CVE-2023-29404
Change-Id: Icdffef2c0f644da50261cace6f43742783931cff
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1876275
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
(cherry picked from commit 896779503cf754cbdac24b61d4cc953b50fe2dde)
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1902225
Run-TryBot: Roland Shoemaker <bracewell@google.com>
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1904342
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Reviewed-on: https://go-review.googlesource.com/c/go/+/501217
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The flags that we recorded in _cgo_flags did not use any quoting,
so a flag containing embedded spaces was mishandled.
Change the _cgo_flags format to put each flag on a separate line.
That is a simple format that does not require any quoting.
As far as I can tell only cmd/go uses _cgo_flags, and it is only
used for gccgo. If this patch doesn't cause any trouble, then
in the next release we can change to only using _cgo_flags for gccgo.
Thanks to Juho Nurminen of Mattermost for reporting this issue.
Updates #60306
Fixes #60513
Fixes CVE-2023-29405
Change-Id: Id738a737ecae47babb34c4b4fc4d65336cf0c0f3
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1875094
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Roland Shoemaker <bracewell@google.com>
(cherry picked from commit bcdfcadd5612212089d958bc352a6f6c90742dcc)
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1902227
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Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1904341
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Reviewed-on: https://go-review.googlesource.com/c/go/+/501216
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On Unix platforms, the runtime previously did nothing special when a
program was run with either the SUID or SGID bits set. This can be
dangerous in certain cases, such as when dumping memory state, or
assuming the status of standard i/o file descriptors.
Taking cues from glibc, this change implements a set of protections when
a binary is run with SUID or SGID bits set (or is SUID/SGID-like). On
Linux, whether to enable these protections is determined by whether the
AT_SECURE flag is passed in the auxiliary vector. On platforms which
have the issetugid syscall (the BSDs, darwin, and Solaris/Illumos), that
is used. On the remaining platforms (currently only AIX) we check
!(getuid() == geteuid() && getgid == getegid()).
Currently when we determine a binary is "tainted" (using the glibc
terminology), we implement two specific protections:
1. we check if the file descriptors 0, 1, and 2 are open, and if they
are not, we open them, pointing at /dev/null (or fail).
2. we force GOTRACKBACK=none, and generally prevent dumping of
trackbacks and registers when a program panics/aborts.
In the future we may add additional protections.
This change requires implementing issetugid on the platforms which
support it, and implementing getuid, geteuid, getgid, and getegid on
AIX.
Thanks to Vincent Dehors from Synacktiv for reporting this issue.
Updates #60272
Fixes #60517
Fixes CVE-2023-29403
Change-Id: I057fa7153d29cf26515e7f49fed86e4f8bedd0f0
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1878434
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Roland Shoemaker <bracewell@google.com>
Reviewed-by: Russ Cox <rsc@google.com>
(cherry picked from commit 87065663ea6d89cd54f65a515d8f2ed0ef285c19)
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1902231
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1904340
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/501228
Auto-Submit: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
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go generate
For #57050.
Fixes #60457.
Change-Id: I46cac667ff78ac171c878f4366f8f01f58f1d27d
GitHub-Last-Rev: 697c255ece18cd4772b76d62991474a7da2536d8
GitHub-Pull-Request: golang/go#57814
Reviewed-on: https://go-review.googlesource.com/c/go/+/461683
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Reviewed-by: Bryan Mills <bcmills@google.com>
(cherry picked from commit 93d9035c9e8b129578d3a177fd90eb308e44a597)
Reviewed-on: https://go-review.googlesource.com/c/go/+/499295
Run-TryBot: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
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go version lines
When we load a package from a module, we need the go version line from
that module's go.mod file to know what language semantics to use for
the package. We need to save a checksum for the go.mod file even if
the module's requirements are pruned out of the module graph.
Previously, we were missing checksums for test dependencies of
packages in 'all' and packages passed to 'go get -t'.
This change preserves the existing bug for 'go mod tidy',
but fixes it for 'go get -t' and flags the missing checksum
with a clearer error in other cases.
Fixes #60000.
Updates #56222.
Change-Id: Icd6acce348907621ae0b02dbeac04fb180353dcf
(cherry picked from CL 489075 and CL 492741)
Reviewed-on: https://go-review.googlesource.com/c/go/+/492983
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Separate the result and the errno value, rather than assuming
that the result can never be negative.
Change-Id: Ib01a70a3d46285aa77e95371cdde74e1504e7c12
Reviewed-on: https://go-review.googlesource.com/c/go/+/496416
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Bryan Mills <bcmills@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/497136
Run-TryBot: Roland Shoemaker <roland@golang.org>
Auto-Submit: Heschi Kreinick <heschi@google.com>
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Clean up and consolidate on a single consistent definition of fcntl,
which takes three int32 arguments and returns either a positive result
or a negative errno value.
Change-Id: Id9505492712db4b0aab469c6bd15e4fce3c9ff6e
Reviewed-on: https://go-review.googlesource.com/c/go/+/495075
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/497135
Auto-Submit: Heschi Kreinick <heschi@google.com>
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When combining a byteswap and a load, the resulting combined op
must go in the load's block, not the byteswap's block, as the load
has a memory argument that might only be valid in its original block.
Fixes #59974
Change-Id: Icd84863ef3a9ca1fc22f2bb794a003f2808c746f
Reviewed-on: https://go-review.googlesource.com/c/go/+/492616
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Reviewed-by: Keith Randall <khr@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/492697
TryBot-Bypass: Cherry Mui <cherryyz@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
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Change-Id: Ib6c0fa04bf59bfaae8081927059b4860dfcf6d21
Reviewed-on: https://go-review.googlesource.com/c/go/+/491436
Auto-Submit: Gopher Robot <gobot@golang.org>
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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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unquoted attr value
An unquoted action used as an attribute value can result in unsafe
behavior if it is empty, as HTML normalization will result in unexpected
attributes, and may allow attribute injection. If executing a template
results in a empty unquoted attribute value, emit filterFailsafe
instead.
Thanks to Juho Nurminen of Mattermost for reporting this issue.
For #59722
Fixes #59815
Fixes CVE-2023-29400
Change-Id: Ia38d1b536ae2b4af5323a6c6d861e3c057c2570a
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1826631
Reviewed-by: Julie Qiu <julieqiu@google.com>
Run-TryBot: Roland Shoemaker <bracewell@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1851498
Reviewed-by: Roland Shoemaker <bracewell@google.com>
Run-TryBot: Damien Neil <dneil@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/491357
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Rather than just a small set. Character class as defined by \s [0].
Thanks to Juho Nurminen of Mattermost for reporting this.
For #59721
Fixes #59813
Fixes CVE-2023-24540
[0] https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions/Character_Classes
Change-Id: I56d4fa1ef08125b417106ee7dbfb5b0923b901ba
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1821459
Reviewed-by: Julie Qiu <julieqiu@google.com>
Run-TryBot: Roland Shoemaker <bracewell@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1851497
Run-TryBot: Damien Neil <dneil@google.com>
Reviewed-by: Roland Shoemaker <bracewell@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/491355
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
TryBot-Bypass: Carlos Amedee <carlos@golang.org>
Run-TryBot: Carlos Amedee <carlos@golang.org>
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Angle brackets should not appear in CSS contexts, as they may affect
token boundaries (such as closing a <style> tag, resulting in
injection). Instead emit filterFailsafe, matching the behavior for other
dangerous characters.
Thanks to Juho Nurminen of Mattermost for reporting this issue.
For #59720
Fixes #59811
Fixes CVE-2023-24539
Change-Id: Iccc659c9a18415992b0c05c178792228e3a7bae4
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1826636
Reviewed-by: Julie Qiu <julieqiu@google.com>
Run-TryBot: Roland Shoemaker <bracewell@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1851496
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Reviewed-by: Roland Shoemaker <bracewell@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/491335
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When server and client have mismatch in curve preference, the server will
send HelloRetryRequest during TLSv1.3 PSK resumption. There was a bug
introduced by Go1.19.6 or later and Go1.20.1 or later, that makes the client
calculate the PSK binder hash incorrectly. Server will reject the TLS
handshake by sending alert: invalid PSK binder.
For #59424.
Fixes #59539.
Change-Id: I2ca8948474275740a36d991c057b62a13392dbb9
GitHub-Last-Rev: 1aad9bcf27f563449c1a7ed6d0dd1d247cc65713
GitHub-Pull-Request: golang/go#59425
Reviewed-on: https://go-review.googlesource.com/c/go/+/481955
Reviewed-by: Roland Shoemaker <roland@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Run-TryBot: Roland Shoemaker <roland@golang.org>
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Auto-Submit: Roland Shoemaker <roland@golang.org>
(cherry picked from commit 2c70690451f1484607a9172a4c24f78ae832dcb0)
Reviewed-on: https://go-review.googlesource.com/c/go/+/488075
Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
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multi-byte stores
Use the type of the store for the byteswap, not the type of the
store's value argument.
Normally when we're storing a 16-bit value, the value being stored is
also typed as 16 bits. But sometimes it is typed as something smaller,
usually because it is the result of an upcast from a smaller value,
and that upcast needs no instructions.
If the type of the store's arg is thinner than the type being stored,
and the byteswap'd value uses that thinner type, and the byteswap'd
value needs to be spilled & restored, that spill/restore happens using
the thinner type, which causes us to lose some of the top bits of the
value.
Fixes #59373
Change-Id: If6ce1e8a76f18bf8e9d79871b6caa438bc3cce4d
Reviewed-on: https://go-review.googlesource.com/c/go/+/481395
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Keith Randall <khr@golang.org>
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If we increased the NOFILE rlimit when starting the program,
restore the original rlimit when forking a child process.
In CL 393354 the os package was changed to raise the open file rlimit
at program start. That code is not inherently tied to the os package.
This CL moves it into the syscall package.
This is a backport of CLs 476096 and 476097 from trunk.
For #46279
Fixes #59063
Change-Id: I9be6ecc52d4f82eb226907611aec9df808e1da84
Reviewed-on: https://go-review.googlesource.com/c/go/+/478660
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Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
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Range statement will mutate the key and value, so we should treat them as reassigned.
Fixes #59579
Change-Id: I9c6b67d938760a0c6a1d9739f2737c67af4a3a10
Reviewed-on: https://go-review.googlesource.com/c/go/+/483855
Run-TryBot: Wayne Zuo <wdvxdr@golangcn.org>
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Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
(cherry picked from commit 89567a35c11c343cf765d6fb1270e1250e50d83f)
Reviewed-on: https://go-review.googlesource.com/c/go/+/484135
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
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settings
This change documents the new GODEBUG settings introduced for
html/template and mime/multipart, released with Go 1.19.8 and Go 1.20.3
as part of a security fix.
Updates #59153.
For #59269.
Updates #59234.
For #59271.
Change-Id: I25f4d8245da3301dccccfb44da8ff1a5985392a4
Reviewed-on: https://go-review.googlesource.com/c/go/+/482535
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AST is edited
This CL changes the inliner to process transitive inlining iteratively
after the AST has actually been edited, rather than recursively and
immediately. This is important for handling indirect function calls
correctly, because ir.reassigned walks the function body looking for
reassignments; whereas previously the inlined reassignments might not
have been actually added to the AST yet.
Fixes #59158.
This change was previously reverted as CL 481796 because the branch
was frozen for release.
Change-Id: I97fcd32956cc1349d87a92066e8559cb90da73b7
Reviewed-on: https://go-review.googlesource.com/c/go/+/481797
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Change-Id: If779869c8f3357fbf5df28bdb2640b183e608f46
Reviewed-on: https://go-review.googlesource.com/c/go/+/482098
Auto-Submit: Gopher Robot <gobot@golang.org>
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Reviewed-by: Michael Knyszek <mknyszek@google.com>
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ECMAScript 6 introduced template literals[0][1] which are delimited with
backticks. These need to be escaped in a similar fashion to the
delimiters for other string literals. Additionally template literals can
contain special syntax for string interpolation.
There is no clear way to allow safe insertion of actions within JS
template literals, as handling (JS) string interpolation inside of these
literals is rather complex. As such we've chosen to simply disallow
template actions within these template literals.
A new error code is added for this parsing failure case, errJsTmplLit,
but it is unexported as it is not backwards compatible with other minor
release versions to introduce an API change in a minor release. We will
export this code in the next major release.
The previous behavior (with the cavet that backticks are now escaped
properly) can be re-enabled with GODEBUG=jstmpllitinterp=1.
This change subsumes CL471455.
Thanks to Sohom Datta, Manipal Institute of Technology, for reporting
this issue.
Fixes CVE-2023-24538
For #59234
Fixes #59271
[0] https://tc39.es/ecma262/multipage/ecmascript-language-expressions.html#sec-template-literals
[1] https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Template_literals
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1802457
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Change-Id: Ic7f10595615f2b2740d9c85ad7ef40dc0e78c04c
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//line directives
Setting a large line or column number using a //line directive can cause
integer overflow even in small source files.
Limit line and column numbers in //line directives to 2^30-1, which
is small enough to avoid int32 overflow on all reasonbly-sized files.
Fixes CVE-2023-24537
Fixes #59273
For #59180
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1802456
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Reviewed-by: Roland Shoemaker <bracewell@google.com>
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Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1802611
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Change-Id: Ifdfa192d54f722d781a4d8c5f35b5fb72d122168
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The parsed forms of MIME headers and multipart forms can consume
substantially more memory than the size of the input data.
A malicious input containing a very large number of headers or
form parts can cause excessively large memory allocations.
Set limits on the size of MIME data:
Reader.NextPart and Reader.NextRawPart limit the the number
of headers in a part to 10000.
Reader.ReadForm limits the total number of headers in all
FileHeaders to 10000.
Both of these limits may be set with with
GODEBUG=multipartmaxheaders=<values>.
Reader.ReadForm limits the number of parts in a form to 1000.
This limit may be set with GODEBUG=multipartmaxparts=<value>.
Thanks for Jakob Ackermann (@das7pad) for reporting this issue.
For CVE-2023-24536
For #59153
For #59269
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1802455
Run-TryBot: Damien Neil <dneil@google.com>
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Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1801087
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Change-Id: If134890d75f0d95c681d67234daf191ba08e6424
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non-file data
For requests containing large numbers of small parts,
memory consumption of a parsed form could be about 250%
over the estimated size.
When considering the size of parsed forms, account for the size of
FileHeader structs and increase the estimate of memory consumed by
map entries.
Thanks to Jakob Ackermann (@das7pad) for reporting this issue.
For CVE-2023-24536
For #59153
For #59269
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1802454
Run-TryBot: Damien Neil <dneil@google.com>
Reviewed-by: Roland Shoemaker <bracewell@google.com>
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Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1802396
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Change-Id: I31bc50e9346b4eee6fbe51a18c3c57230cc066db
Reviewed-on: https://go-review.googlesource.com/c/go/+/481984
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