78 lines
2.4 KiB
Diff
78 lines
2.4 KiB
Diff
|
From 6be390fe5b1a7e9480e9cf0f85777a8eb205ad08 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Andy Lutomirski <luto@kernel.org>
|
||
|
|
Date: Sat, 4 Nov 2017 04:19:48 -0700
|
||
|
|
Subject: [PATCH 112/231] selftests/x86/protection_keys: Fix syscall NR
|
||
|
|
redefinition warnings
|
||
|
|
MIME-Version: 1.0
|
||
|
|
Content-Type: text/plain; charset=UTF-8
|
||
|
|
Content-Transfer-Encoding: 8bit
|
||
|
|
|
||
|
|
CVE-2017-5754
|
||
|
|
|
||
|
|
On new enough glibc, the pkey syscalls numbers are available. Check
|
||
|
|
first before defining them to avoid warnings like:
|
||
|
|
|
||
|
|
protection_keys.c:198:0: warning: "SYS_pkey_alloc" redefined
|
||
|
|
|
||
|
|
Signed-off-by: Andy Lutomirski <luto@kernel.org>
|
||
|
|
Cc: Borislav Petkov <bpetkov@suse.de>
|
||
|
|
Cc: Dave Hansen <dave.hansen@intel.com>
|
||
|
|
Cc: Linus Torvalds <torvalds@linux-foundation.org>
|
||
|
|
Cc: Peter Zijlstra <peterz@infradead.org>
|
||
|
|
Cc: Thomas Gleixner <tglx@linutronix.de>
|
||
|
|
Cc: stable@vger.kernel.org
|
||
|
|
Link: http://lkml.kernel.org/r/1fbef53a9e6befb7165ff855fc1a7d4788a191d6.1509794321.git.luto@kernel.org
|
||
|
|
Signed-off-by: Ingo Molnar <mingo@kernel.org>
|
||
|
|
(cherry picked from commit 693cb5580fdb026922363aa103add64b3ecd572e)
|
||
|
|
Signed-off-by: Andy Whitcroft <apw@canonical.com>
|
||
|
|
Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>
|
||
|
|
(cherry picked from commit 64c8ec4beb84ca8b0ff3250a8b6044d06be6315b)
|
||
|
|
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
|
||
|
|
---
|
||
|
|
tools/testing/selftests/x86/protection_keys.c | 24 ++++++++++++++++++------
|
||
|
|
1 file changed, 18 insertions(+), 6 deletions(-)
|
||
|
|
|
||
|
|
diff --git a/tools/testing/selftests/x86/protection_keys.c b/tools/testing/selftests/x86/protection_keys.c
|
||
|
|
index 3237bc010e1c..3c54d5c40952 100644
|
||
|
|
--- a/tools/testing/selftests/x86/protection_keys.c
|
||
|
|
+++ b/tools/testing/selftests/x86/protection_keys.c
|
||
|
|
@@ -188,17 +188,29 @@ void lots_o_noops_around_write(int *write_to_me)
|
||
|
|
#define u64 uint64_t
|
||
|
|
|
||
|
|
#ifdef __i386__
|
||
|
|
-#define SYS_mprotect_key 380
|
||
|
|
-#define SYS_pkey_alloc 381
|
||
|
|
-#define SYS_pkey_free 382
|
||
|
|
+
|
||
|
|
+#ifndef SYS_mprotect_key
|
||
|
|
+# define SYS_mprotect_key 380
|
||
|
|
+#endif
|
||
|
|
+#ifndef SYS_pkey_alloc
|
||
|
|
+# define SYS_pkey_alloc 381
|
||
|
|
+# define SYS_pkey_free 382
|
||
|
|
+#endif
|
||
|
|
#define REG_IP_IDX REG_EIP
|
||
|
|
#define si_pkey_offset 0x14
|
||
|
|
+
|
||
|
|
#else
|
||
|
|
-#define SYS_mprotect_key 329
|
||
|
|
-#define SYS_pkey_alloc 330
|
||
|
|
-#define SYS_pkey_free 331
|
||
|
|
+
|
||
|
|
+#ifndef SYS_mprotect_key
|
||
|
|
+# define SYS_mprotect_key 329
|
||
|
|
+#endif
|
||
|
|
+#ifndef SYS_pkey_alloc
|
||
|
|
+# define SYS_pkey_alloc 330
|
||
|
|
+# define SYS_pkey_free 331
|
||
|
|
+#endif
|
||
|
|
#define REG_IP_IDX REG_RIP
|
||
|
|
#define si_pkey_offset 0x20
|
||
|
|
+
|
||
|
|
#endif
|
||
|
|
|
||
|
|
void dump_mem(void *dumpme, int len_bytes)
|
||
|
|
--
|
||
|
|
2.14.2
|
||
|
|
|