From 11b8a0e1d7b6175470ffc9077e94104c896093b7 Mon Sep 17 00:00:00 2001 From: Liubov Dmitrieva Date: Wed, 26 Jun 2013 12:28:43 -0700 Subject: [PATCH] Fix buffers overrun in x86_64 memcmp-ssse3.S --- ChangeLog | 5 +++++ sysdeps/x86_64/multiarch/memcmp-ssse3.S | 6 ++---- 2 files changed, 7 insertions(+), 4 deletions(-) diff --git a/ChangeLog b/ChangeLog index 64f2fe3..fd3a90f 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2013-06-26 Liubov Dmitrieva + + [BZ #15674] + * sysdeps/x86_64/multiarch/memcmp-ssse3.S: Fix buffers overrun. + 2013-06-26 Maciej W. Rozycki [BZ #15022] diff --git a/sysdeps/x86_64/multiarch/memcmp-ssse3.S b/sysdeps/x86_64/multiarch/memcmp-ssse3.S index bdd2ed2..e319df9 100644 --- a/sysdeps/x86_64/multiarch/memcmp-ssse3.S +++ b/sysdeps/x86_64/multiarch/memcmp-ssse3.S @@ -1463,10 +1463,8 @@ L(next_24_bytes): test $0x40, %dh jnz L(Byte22) - mov -9(%rdi), %eax - and $0xff, %eax - mov -9(%rsi), %edx - and $0xff, %edx + movzbl -9(%rdi), %eax + movzbl -9(%rsi), %edx sub %edx, %eax ret # else -- 2.7.4