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GNU C Library master sources branch master updated. glibc-2.27.9000-585-g921595d
- From: hjl at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 18 Jul 2018 13:33:20 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.27.9000-585-g921595d
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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=921595d151ee1661cc5476bb019483e12b7b47f6
commit 921595d151ee1661cc5476bb019483e12b7b47f6
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Jul 18 06:32:54 2018 -0700
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
* sysdeps/x86_64/multiarch/strcpy-sse2-unaligned.S
(BRANCH_TO_JMPTBL_ENTRY): Add _CET_NOTRACK before indirect jump
to jump table.
diff --git a/ChangeLog b/ChangeLog
index 1c9f408..cf1bac4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
2018-07-18 H.J. Lu <hongjiu.lu@intel.com>
+ * sysdeps/x86_64/multiarch/strcpy-sse2-unaligned.S
+ (BRANCH_TO_JMPTBL_ENTRY): Add _CET_NOTRACK before indirect jump
+ to jump table.
+
+2018-07-18 H.J. Lu <hongjiu.lu@intel.com>
+
* sysdeps/x86_64/strcmp.S (STRCMP): Add _CET_NOTRACK before
indirect jump to jump table.
diff --git a/sysdeps/x86_64/multiarch/strcpy-sse2-unaligned.S b/sysdeps/x86_64/multiarch/strcpy-sse2-unaligned.S
index 56b748e..72bf7e8 100644
--- a/sysdeps/x86_64/multiarch/strcpy-sse2-unaligned.S
+++ b/sysdeps/x86_64/multiarch/strcpy-sse2-unaligned.S
@@ -33,7 +33,7 @@
lea TABLE(%rip), %r11; \
movslq (%r11, INDEX, SCALE), %rcx; \
lea (%r11, %rcx), %rcx; \
- jmp *%rcx
+ _CET_NOTRACK jmp *%rcx
# ifndef USE_AS_STRCAT
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
sysdeps/x86_64/multiarch/strcpy-sse2-unaligned.S | 2 +-
2 files changed, 7 insertions(+), 1 deletions(-)
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