[LTP] [PATCH 3/3] cve/cve-2016-7042: Make use of the fallback functions in lapi/keyctl.h

[Guangwen Feng]

Signed-off-by: Guangwen Feng <fenggw-fnst@cn.fujitsu.com>
---
 testcases/cve/Makefile        |  1 +
 testcases/cve/cve-2016-7042.c | 12 ++++--------
 2 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/testcases/cve/Makefile b/testcases/cve/Makefile
index 04abc1f..db87299 100644
--- a/testcases/cve/Makefile
+++ b/testcases/cve/Makefile
@@ -17,6 +17,7 @@ top_srcdir		?= ../..
 
 include $(top_srcdir)/include/mk/testcases.mk
 
+LDLIBS			+= $(KEYUTILS_LIBS)
 CFLAGS			+= -D_GNU_SOURCE
 
 cve-2016-7117:	CFLAGS += -pthread
diff --git a/testcases/cve/cve-2016-7042.c b/testcases/cve/cve-2016-7042.c
index ff9c057..8719eba 100644
--- a/testcases/cve/cve-2016-7042.c
+++ b/testcases/cve/cve-2016-7042.c
@@ -31,7 +31,6 @@
 #include <stdio.h>
 
 #include "tst_test.h"
-#include "lapi/syscalls.h"
 #include "lapi/keyctl.h"
 
 #define PATH_KEYS	"/proc/keys"
@@ -43,12 +42,11 @@ static void do_test(void)
 {
 	char buf[BUFSIZ];
 
-	key = tst_syscall(__NR_add_key,
-		"user", "ltptestkey", "a", 1, KEY_SPEC_SESSION_KEYRING);
+	key = add_key("user", "ltptestkey", "a", 1, KEY_SPEC_SESSION_KEYRING);
 	if (key == -1)
 		tst_brk(TBROK, "Failed to add key");
 
-	if (tst_syscall(__NR_keyctl, KEYCTL_UPDATE, key, "b", 1))
+	if (keyctl(KEYCTL_UPDATE, key, "b", 1))
 		tst_brk(TBROK, "Failed to update key");
 
 	fd = SAFE_OPEN(PATH_KEYS, O_RDONLY);
@@ -61,8 +59,7 @@ static void do_test(void)
 
 	SAFE_CLOSE(fd);
 
-	if (tst_syscall(__NR_keyctl, KEYCTL_UNLINK, key,
-		KEY_SPEC_SESSION_KEYRING))
+	if (keyctl(KEYCTL_UNLINK, key, KEY_SPEC_SESSION_KEYRING))
 		tst_brk(TBROK, "Failed to unlink key");
 	key = 0;
 }
@@ -75,8 +72,7 @@ static void setup(void)
 
 static void cleanup(void)
 {
-	if (key > 0 && tst_syscall(__NR_keyctl, KEYCTL_UNLINK, key,
-		KEY_SPEC_SESSION_KEYRING))
+	if (key > 0 && keyctl(KEYCTL_UNLINK, key, KEY_SPEC_SESSION_KEYRING))
 		tst_res(TWARN, "Failed to unlink key");
 
 	if (fd > 0)
-- 
2.9.4