From 65c90bca0dba56f60dc4ce2a529140c3cc440f22 Mon Sep 17 00:00:00 2001
From: Stephen Smalley <sds@tycho.nsa.gov>
Date: Mon, 4 May 2009 15:43:18 -0400
Subject: [PATCH] selinux: Fix send_sigiotask hook
The CRED patch incorrectly converted the SELinux send_sigiotask hook to
use the current task SID rather than the target task SID in its
permission check, yielding the wrong permission check. This fixes the
hook function. Detected by the ltp selinux testsuite and confirmed to
correct the test failure.
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: James Morris <jmorris@namei.org>
---
security/selinux/hooks.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index ba808ef6babb5..2fcad7c33eafd 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -3153,7 +3153,7 @@ static int selinux_file_send_sigiotask(struct task_struct *tsk,
struct fown_struct *fown, int signum)
{
struct file *file;
- u32 sid = current_sid();
+ u32 sid = task_sid(tsk);
u32 perm;
struct file_security_struct *fsec;
--
GitLab