diff options
| -rw-r--r-- | security/selinux/ss/policydb.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/security/selinux/ss/policydb.h b/security/selinux/ss/policydb.h index 74b63ed1173f..6b4ad8e91265 100644 --- a/security/selinux/ss/policydb.h +++ b/security/selinux/ss/policydb.h @@ -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; |