diff options
| -rw-r--r-- | security/smack/smackfs.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c index 66f3c539d504..3a75d2a8f517 100644 --- a/security/smack/smackfs.c +++ b/security/smack/smackfs.c @@ -855,6 +855,8 @@ static ssize_t smk_set_cipso(struct file *file, const char __user *buf, if (format == SMK_FIXED24_FMT && (count < SMK_CIPSOMIN || count > SMK_CIPSOMAX)) return -EINVAL; + if (count > PAGE_SIZE) + return -EINVAL; data = memdup_user_nul(buf, count); if (IS_ERR(data)) |