[gentoo-commits] repo/gentoo:master commit in: sys-libs/glibc/

[Sergei Trofimovich]

commit:     93ceed55cd26146919435836599a90e17a5dddba
Author:     Sergei Trofimovich <slyfox <AT> gentoo <DOT> org>
AuthorDate: Fri Apr  3 22:37:33 2020 +0000
Commit:     Sergei Trofimovich <slyfox <AT> gentoo <DOT> org>
CommitDate: Fri Apr  3 22:37:33 2020 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=93ceed55

sys-libs/glibc: switch -fstack-protector-all to -strong, bug #712356

Package-Manager: Portage-2.3.96, Repoman-2.3.22
Signed-off-by: Sergei Trofimovich <slyfox <AT> gentoo.org>

 sys-libs/glibc/glibc-2.29-r8.ebuild | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sys-libs/glibc/glibc-2.29-r8.ebuild 
b/sys-libs/glibc/glibc-2.29-r8.ebuild
index c869cce61d5..c95d7016c40 100644
--- a/sys-libs/glibc/glibc-2.29-r8.ebuild
+++ b/sys-libs/glibc/glibc-2.29-r8.ebuild
@@ -812,7 +812,11 @@ glibc_do_configure() {
                        myconf+=( --enable-stack-protector=no )
                        ;;
                *)
-                       myconf+=( --enable-stack-protector=$(usex ssp all no) )
+                       # Use '=strong' instead of '=all' to protect only 
functions
+                       # worth protecting from stack smashes.
+                       # '=all' is also known to have a problem in IFUNC 
resolution
+                       # tests: https://sourceware.org/PR25680, bug #712356.
+                       myconf+=( --enable-stack-protector=$(usex ssp strong 
no) )
                        ;;
        esac
        myconf+=( --enable-stackguard-randomization )