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-rw-r--r--security/selinux/hooks.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 94c45a1531a4..79690f401a58 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -2791,11 +2791,16 @@ static int selinux_inode_setxattr(struct dentry *dentry, const char *name,
2791 2791
2792 /* We strip a nul only if it is at the end, otherwise the 2792 /* We strip a nul only if it is at the end, otherwise the
2793 * context contains a nul and we should audit that */ 2793 * context contains a nul and we should audit that */
2794 str = value; 2794 if (value) {
2795 if (str[size - 1] == '\0') 2795 str = value;
2796 audit_size = size - 1; 2796 if (str[size - 1] == '\0')
2797 else 2797 audit_size = size - 1;
2798 audit_size = size; 2798 else
2799 audit_size = size;
2800 } else {
2801 str = "";
2802 audit_size = 0;
2803 }
2799 ab = audit_log_start(current->audit_context, GFP_ATOMIC, AUDIT_SELINUX_ERR); 2804 ab = audit_log_start(current->audit_context, GFP_ATOMIC, AUDIT_SELINUX_ERR);
2800 audit_log_format(ab, "op=setxattr invalid_context="); 2805 audit_log_format(ab, "op=setxattr invalid_context=");
2801 audit_log_n_untrustedstring(ab, value, audit_size); 2806 audit_log_n_untrustedstring(ab, value, audit_size);