go, branch go1.12.13

[release-branch.go1.12] go1.12.13

2019-10-31T22:53:22Z

Change-Id: Ic4db4625c4b7031aa08cb235f526267058a50430 Reviewed-on: https://go-review.googlesource.com/c/go/+/204641 Run-TryBot: Andrew Bonventre TryBot-Result: Gobot Gobot Reviewed-by: Alexander Rakoczy

[release-branch.go1.12] doc: document Go 1.12.13

2019-10-31T21:53:06Z

Change-Id: Ic65a74e56320adbd76aeef1cf3b19d7906ffe8fe Reviewed-on: https://go-review.googlesource.com/c/go/+/204639 Run-TryBot: Andrew Bonventre Reviewed-by: Dmitri Shuralyov TryBot-Result: Gobot Gobot

[release-branch.go1.12] go1.12.12

2019-10-17T21:51:57Z

Change-Id: I3494e831beac93e322788f7bd76948b52f769f37 Reviewed-on: https://go-review.googlesource.com/c/go/+/201822 Run-TryBot: Alexander Rakoczy TryBot-Result: Gobot Gobot Reviewed-by: Katie Hockman

[release-branch.go1.12] doc: document Go 1.12.12

2019-10-17T21:06:37Z

Change-Id: I832ba5f32d513b586bb0b02371231786b25631e3 Reviewed-on: https://go-review.googlesource.com/c/go/+/201817 Reviewed-by: Andrew Bonventre (cherry picked from commit 58e8f7897a0b69fee891af8461e1270d59f4d1a6) Reviewed-on: https://go-review.googlesource.com/c/go/+/201821

[release-branch.go1.12] all: merge release-branch.go1.12-security into release-branch.go1.12

2019-10-17T19:20:29Z

Change-Id: Ied19fb5f182670c9dc3bd15327d461b203187cf6

[release-branch.go1.12-security] go1.12.11

2019-10-17T17:32:27Z

Change-Id: I8421754104cb795270dbcb6f554ed3a78a719483 Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/575988 Reviewed-by: Filippo Valsorda

[release-branch.go1.12-security] doc: document Go 1.12.11

2019-10-17T15:57:19Z

Change-Id: I73f27924046a0a2493330ddc732d1a2fd3f730a5 Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/575981 Reviewed-by: Filippo Valsorda Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/575985

[release-branch.go1.12-security] crypto/dsa: prevent bad public keys from causing panic

2019-10-16T21:24:47Z

dsa.Verify might currently use a nil s inverse in a multiplication if the public key contains a non-prime Q, causing a panic. Change this to check that the mod inverse exists before using it. Fixes CVE-2019-17596 Change-Id: I94d5f3cc38f1b5d52d38dcb1d253c71b7fd1cae7 Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/572809 Reviewed-by: Filippo Valsorda (cherry picked from commit 9119dfb0511326d4485b248b83d4fde19c95d0f7) Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/575232

[release-branch.go1.12] cmd/vendor/golang.org/x/arch/arm64/arm64asm: recognise new ssbb/pssbb mnemonics from objdump

2019-10-09T18:02:10Z

This patches in CL 136455 from the 'arch' repo. Commands run: ~/go/src/cmd$ GOPATH=$(../../bin/go env GOROOT) govendor fetch golang.org/x/arch/arm64/arm64asm@b19384d3c130858bb31a343ea8fce26be71b5998 Updates #27754 Fixes #31305 Change-Id: I8fcc3bc3c718cf0d93afbd1d383df48316b522d4 Reviewed-on: https://go-review.googlesource.com/136455 Run-TryBot: Michael Hudson-Doyle TryBot-Result: Gobot Gobot Reviewed-by: Cherry Zhang Reviewed-on: https://go-review.googlesource.com/c/go/+/200057 Run-TryBot: Bryan C. Mills

runtime: fix GDB tests on s390x running Ubuntu 18.04

2019-10-09T15:48:47Z

On Ubuntu 18.04 I am seeing GDB fail to restore the stack pointer during this test because stack unwinding can't find the PC. This CL is essentially a partial revert of CL 23940 and fixes the issue on s390x. Fixes #33757 Change-Id: Ib4c41162dc85dc882eb6e248330f4082c3fa94c3 Reviewed-on: https://go-review.googlesource.com/c/go/+/169857 Run-TryBot: Cherry Zhang TryBot-Result: Gobot Gobot Reviewed-by: Cherry Zhang (cherry picked from commit d91f7e6637cc96029cd5a360a0a74153b39a3ae6) Reviewed-on: https://go-review.googlesource.com/c/go/+/200039 Run-TryBot: Katie Hockman Reviewed-by: Bryan C. Mills Reviewed-by: Michael Munday