[PATCH 3.10 154/180] KEYS: 64-bit MIPS needs to use compat_sys_keyctl for 32-bit userspace
From: Willy Tarreau <w@1wt.eu>
Date: 2016-08-21 15:35:32
Also in:
linux-mips, lkml
Subsystem:
mips, the rest · Maintainers:
Thomas Bogendoerfer, Linus Torvalds
From: David Howells <dhowells@redhat.com> commit 20f06ed9f61a185c6dabd662c310bed6189470df upstream. MIPS64 needs to use compat_sys_keyctl for 32-bit userspace rather than calling sys_keyctl. The latter will work in a lot of cases, thereby hiding the issue. Reported-by: Stephan Mueller <redacted> Signed-off-by: David Howells <dhowells@redhat.com> cc: stable@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: linux-security-module@vger.kernel.org Cc: keyrings@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/13832/ Signed-off-by: Ralf Baechle <redacted> Signed-off-by: Willy Tarreau <w@1wt.eu> --- arch/mips/kernel/scall64-n32.S | 2 +- arch/mips/kernel/scall64-o32.S | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index cab1507..b657fbe 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S@@ -349,7 +349,7 @@ EXPORT(sysn32_call_table) PTR sys_ni_syscall /* available, was setaltroot */ PTR sys_add_key PTR sys_request_key - PTR sys_keyctl /* 6245 */ + PTR compat_sys_keyctl /* 6245 */ PTR sys_set_thread_area PTR sys_inotify_init PTR sys_inotify_add_watch
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 37605dc..bf56d7e 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S@@ -474,7 +474,7 @@ sys_call_table: PTR sys_ni_syscall /* available, was setaltroot */ PTR sys_add_key /* 4280 */ PTR sys_request_key - PTR sys_keyctl + PTR compat_sys_keyctl PTR sys_set_thread_area PTR sys_inotify_init PTR sys_inotify_add_watch /* 4285 */
--
2.8.0.rc2.1.gbe9624a