diff options
Diffstat (limited to 'meta/recipes-core/glibc/glibc/0004-i686-Add-missing-IS_IN-libc-guards-to-vectorized-str.patch')
-rw-r--r-- | meta/recipes-core/glibc/glibc/0004-i686-Add-missing-IS_IN-libc-guards-to-vectorized-str.patch | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/meta/recipes-core/glibc/glibc/0004-i686-Add-missing-IS_IN-libc-guards-to-vectorized-str.patch b/meta/recipes-core/glibc/glibc/0004-i686-Add-missing-IS_IN-libc-guards-to-vectorized-str.patch new file mode 100644 index 0000000000..43c4398fec --- /dev/null +++ b/meta/recipes-core/glibc/glibc/0004-i686-Add-missing-IS_IN-libc-guards-to-vectorized-str.patch @@ -0,0 +1,62 @@ +From 203835b3bf6f1edfe1ebe4a7fa15dc085e6dc8f7 Mon Sep 17 00:00:00 2001 +From: Florian Weimer <fweimer@redhat.com> +Date: Wed, 14 Jun 2017 08:11:22 +0200 +Subject: [PATCH] i686: Add missing IS_IN (libc) guards to vectorized strcspn + +Since commit d957c4d3fa48d685ff2726c605c988127ef99395 (i386: Compile +rtld-*.os with -mno-sse -mno-mmx -mfpmath=387), vector intrinsics can +no longer be used in ld.so, even if the compiled code never makes it +into the final ld.so link. This commit adds the missing IS_IN (libc) +guard to the SSE 4.2 strcspn implementation, so that it can be used from +ld.so in the future. + +(cherry picked from commit 69052a3a95da37169a08f9e59b2cc1808312753c) + +Upstream-Status: Backport +https://sourceware.org/git/?p=glibc.git;a=commit;h=86ac4a78a9218d1e1dcfbacc6f7d09957c1fe3a4 + +Required to build fixes for CVE-2017-1000366. + +Signed-off-by: George McCollister <george.mccollister@gmail.com> +--- + ChangeLog | 5 +++++ + sysdeps/i386/i686/multiarch/strcspn-c.c | 6 ++++-- + sysdeps/i386/i686/multiarch/varshift.c | 4 +++- + 3 files changed, 12 insertions(+), 3 deletions(-) + +diff --git a/ChangeLog b/ChangeLog +index 638cb632b1..3f89a2cdb2 100644 +--- a/ChangeLog ++++ b/ChangeLog +@@ -1,3 +1,8 @@ ++2017-06-14 Florian Weimer <fweimer@redhat.com> ++ ++ * sysdeps/i386/i686/multiarch/strcspn-c.c: Add IS_IN (libc) guard. ++ * sysdeps/i386/i686/multiarch/varshift.c: Likewise. ++ + 2017-06-19 Florian Weimer <fweimer@redhat.com> + + * elf/rtld.c (audit_list_string): New variable. +diff --git a/sysdeps/i386/i686/multiarch/strcspn-c.c b/sysdeps/i386/i686/multiarch/strcspn-c.c +index 6d61e190a8..ec230fb383 100644 +--- a/sysdeps/i386/i686/multiarch/strcspn-c.c ++++ b/sysdeps/i386/i686/multiarch/strcspn-c.c +@@ -1,2 +1,4 @@ +-#define __strcspn_sse2 __strcspn_ia32 +-#include <sysdeps/x86_64/multiarch/strcspn-c.c> ++#if IS_IN (libc) ++# define __strcspn_sse2 __strcspn_ia32 ++# include <sysdeps/x86_64/multiarch/strcspn-c.c> ++#endif +diff --git a/sysdeps/i386/i686/multiarch/varshift.c b/sysdeps/i386/i686/multiarch/varshift.c +index 7760b966e2..6742a35d41 100644 +--- a/sysdeps/i386/i686/multiarch/varshift.c ++++ b/sysdeps/i386/i686/multiarch/varshift.c +@@ -1 +1,3 @@ +-#include <sysdeps/x86_64/multiarch/varshift.c> ++#if IS_IN (libc) ++# include <sysdeps/x86_64/multiarch/varshift.c> ++#endif +-- +2.15.0 + |