diff options
| -rw-r--r-- | security/selinux/hooks.c | 15 |
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, /* We strip a nul only if it is at the end, otherwise the * context contains a nul and we should audit that */ - str = value; - if (str[size - 1] == '\0') - audit_size = size - 1; - else - audit_size = size; + if (value) { + str = value; + if (str[size - 1] == '\0') + audit_size = size - 1; + else + audit_size = size; + } else { + str = ""; + audit_size = 0; + } ab = audit_log_start(current->audit_context, GFP_ATOMIC, AUDIT_SELINUX_ERR); audit_log_format(ab, "op=setxattr invalid_context="); audit_log_n_untrustedstring(ab, value, audit_size); |