diff options
Diffstat (limited to 'security/selinux/ss/policydb.h')
| -rw-r--r-- | security/selinux/ss/policydb.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/security/selinux/ss/policydb.h b/security/selinux/ss/policydb.h index 74b63ed1173f..b97cda489753 100644 --- a/security/selinux/ss/policydb.h +++ b/security/selinux/ss/policydb.h @@ -3,7 +3,7 @@ * A policy database (policydb) specifies the * configuration data for the security policy. * - * Author : Stephen Smalley, <sds@tycho.nsa.gov> + * Author : Stephen Smalley, <stephen.smalley.work@gmail.com> */ /* @@ -366,9 +366,12 @@ static inline int next_entry(void *buf, struct policy_file *fp, size_t bytes) return 0; } -static inline int put_entry(const void *buf, size_t bytes, int num, struct policy_file *fp) +static inline int put_entry(const void *buf, size_t bytes, size_t num, struct policy_file *fp) { - size_t len = bytes * num; + size_t len; + + if (unlikely(check_mul_overflow(bytes, num, &len))) + return -EINVAL; if (len > fp->len) return -EINVAL; |