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Update to go1.16.6

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- Security fix for CVE-2021-34558
This commit is contained in:
Michael Rochefort 2021-07-14 10:40:11 -04:00
parent 755f2e9f59
commit fb3fb1e87e
2 changed files with 5 additions and 73 deletions
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8
golang.spec
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@ -106,7 +106,7 @@
%endif
%global go_api 1.16
%global go_version %{go_api}.5
%global go_version %{go_api}.6
# For rpmdev-bumpspec and releng automation
%global baserelease 1
@ -158,8 +158,6 @@ Requires: go-srpm-macros
Patch1: 0001-Don-t-use-the-bundled-tzdata-at-runtime-except-for-t.patch
Patch2: 0002-syscall-expose-IfInfomsg.X__ifi_pad-on-s390x.patch
Patch3: 0003-cmd-go-disable-Google-s-proxy-and-sumdb.patch
# Scheduled backport for go1.16 https://golang.org/cl/316750 by laboger
# Patch4: ppc64x-linker-fix.patch
# Having documentation separate was broken
Obsoletes: %{name}-docs < 1.1-4
@ -531,6 +529,10 @@ fi
%endif
%changelog
* Wed Jul 14 2021 Mike Rochefort <mroche@fedoraproject.org> - 1.16.6-1
- Update to go1.16.6
- Security fix for CVE-2021-34558
* Mon Jun 21 2021 Mike Rochefort <mroche@fedoraproject.org> - 1.16.5-1
- Update to go1.16.5
- Security fix for CVE-2021-33195

70
ppc64x-linker-fix.patch
View File

@ -1,70 +0,0 @@
From 714d86f88554329d7f134dee318f57c6c0b524a7 Mon Sep 17 00:00:00 2001
From: Lynn Boger <laboger@linux.vnet.ibm.com>
Date: Thu, 29 Apr 2021 16:07:25 -0500
Subject: [PATCH] [release-branch.go1.16] cmd/link/internal: fix use of DynlinkingGo with 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 #45927
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)
---
diff --git a/src/cmd/link/internal/ppc64/asm.go b/src/cmd/link/internal/ppc64/asm.go
index 602f0b5..539afac 100644
--- a/src/cmd/link/internal/ppc64/asm.go
+++ b/src/cmd/link/internal/ppc64/asm.go
@@ -642,6 +642,16 @@
return int64(o2)<<32 | int64(o1)
}
+// Determine if the code was compiled so that the TOC register R2 is initialized and maintained
+func r2Valid(ctxt *ld.Link) bool {
+ switch ctxt.BuildMode {
+ case ld.BuildModeCArchive, ld.BuildModeCShared, ld.BuildModePIE, ld.BuildModeShared, ld.BuildModePlugin:
+ return true
+ }
+ // -linkshared option
+ return ctxt.IsSharedGoLink()
+}
+
// resolve direct jump relocation r in s, and add trampoline if necessary
func trampoline(ctxt *ld.Link, ldr *loader.Loader, ri int, rs, s loader.Sym) {
@@ -649,7 +659,7 @@
// For internal linking, trampolines are always created for long calls.
// For external linking, the linker can insert a call stub to handle a long call, but depends on having the TOC address in
// r2. For those build modes with external linking where the TOC address is not maintained in r2, trampolines must be created.
- if ctxt.IsExternal() && (ctxt.DynlinkingGo() || ctxt.BuildMode == ld.BuildModeCArchive || ctxt.BuildMode == ld.BuildModeCShared || ctxt.BuildMode == ld.BuildModePIE) {
+ if ctxt.IsExternal() && r2Valid(ctxt) {
// No trampolines needed since r2 contains the TOC
return
}
@@ -703,7 +713,7 @@
}
}
if ldr.SymType(tramp) == 0 {
- if ctxt.DynlinkingGo() || ctxt.BuildMode == ld.BuildModeCArchive || ctxt.BuildMode == ld.BuildModeCShared || ctxt.BuildMode == ld.BuildModePIE {
+ if r2Valid(ctxt) {
// Should have returned for above cases
ctxt.Errorf(s, "unexpected trampoline for shared or dynamic linking")
} else {