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authorH.J. Lu <hjl.tools@gmail.com>2018-07-18 06:29:21 -0700
committerH.J. Lu <hjl.tools@gmail.com>2018-07-18 06:31:53 -0700
commit4ef60d95979b222daa69c2948c279d0912731e76 (patch)
treefac92a4ceaed0863592e75146231233cd3345e5f
parent61c4aad70553200b3473d9e4e97c240b8ea6d336 (diff)
x86_64: Use _CET_NOTRACK in strcmp.S
* sysdeps/x86_64/strcmp.S (STRCMP): Add _CET_NOTRACK before indirect jump to jump table.
-rw-r--r--ChangeLog5
-rw-r--r--sysdeps/x86_64/strcmp.S2
2 files changed, 6 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index c628f7c5c9..1c9f4087eb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+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.
+
2018-07-18 Valery Timiriliyev <timiriliyev@gmail.com>
[BZ #22241]
diff --git a/sysdeps/x86_64/strcmp.S b/sysdeps/x86_64/strcmp.S
index de54fce647..e16945b961 100644
--- a/sysdeps/x86_64/strcmp.S
+++ b/sysdeps/x86_64/strcmp.S
@@ -233,7 +233,7 @@ LABEL(bigger):
lea LABEL(unaligned_table)(%rip), %r10
movslq (%r10, %r9,4), %r9
lea (%r10, %r9), %r10
- jmp *%r10 /* jump to corresponding case */
+ _CET_NOTRACK jmp *%r10 /* jump to corresponding case */
/*
* The following cases will be handled by ashr_0