audit: use inline function to get audit context

Recognizing that the audit context is an internal audit value, use an
access function to retrieve the audit context pointer for the task
rather than reaching directly into the task struct to get it.

Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
[PM: merge fuzz in auditsc.c and selinuxfs.c, checkpatch.pl fixes]
Signed-off-by: Paul Moore <paul@paul-moore.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 4cafe6a19167..713c1648014f 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -3294,7 +3294,8 @@ static int selinux_inode_setxattr(struct dentry *dentry, const char *name,
                         } else {
                                 audit_size = 0;
                         }
-                        ab = audit_log_start(current->audit_context, GFP_ATOMIC, AUDIT_SELINUX_ERR);
+                        ab = audit_log_start(audit_context(),
+                                             GFP_ATOMIC, AUDIT_SELINUX_ERR);
                         audit_log_format(ab, "op=setxattr invalid_context=");
                         audit_log_n_untrustedstring(ab, value, audit_size);
                         audit_log_end(ab);
@@ -6431,7 +6432,9 @@ static int selinux_setprocattr(const char *name, void *value, size_t size)
                                         audit_size = size - 1;
                                 else
                                         audit_size = size;
-                                ab = audit_log_start(current->audit_context, GFP_ATOMIC, AUDIT_SELINUX_ERR);
+                                ab = audit_log_start(audit_context(),
+                                                     GFP_ATOMIC,
+                                                     AUDIT_SELINUX_ERR);
                                 audit_log_format(ab, "op=fscreate invalid_context=");
                                 audit_log_n_untrustedstring(ab, value, audit_size);
                                 audit_log_end(ab);