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Message-ID: <146961615805.14395.5581949237156769439.stgit@warthog.procyon.org.uk>
Date:	Wed, 27 Jul 2016 11:42:38 +0100
From:	David Howells <dhowells@...hat.com>
To:	x86@...nel.org
Cc:	smueller@...onox.de, linux-kernel@...r.kernel.org,
	stable@...r.kernel.org, dhowells@...hat.com,
	linux-security-module@...r.kernel.org, keyrings@...r.kernel.org
Subject: [PATCH] KEYS: x86_64 needs to use compat_sys_keyctl for 32-bit
 userspace

x86_64 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 <smueller@...onox.de>
Signed-off-by: David Howells <dhowells@...hat.com>
cc: stable@...r.kernel.org
---

 arch/x86/entry/syscalls/syscall_32.tbl |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/syscalls/syscall_32.tbl
index 4cddd17153fb..f848572169ea 100644
--- a/arch/x86/entry/syscalls/syscall_32.tbl
+++ b/arch/x86/entry/syscalls/syscall_32.tbl
@@ -294,7 +294,7 @@
 # 285 sys_setaltroot
 286	i386	add_key			sys_add_key
 287	i386	request_key		sys_request_key
-288	i386	keyctl			sys_keyctl
+288	i386	keyctl			sys_keyctl			compat_sys_keyctl
 289	i386	ioprio_set		sys_ioprio_set
 290	i386	ioprio_get		sys_ioprio_get
 291	i386	inotify_init		sys_inotify_init

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