From: Zhang Tianxing zhangtianxing3@huawei.com
hulk inclusion category: bugfix bugzilla: 46797 CVE: NA Reference: https://gitee.com/openeuler/kernel/issues/I3C03N
-------------------------------------------------
This patch fix a memory leak problem when deleting digest list.
hlist_del_rcu in ima_del_digest_data_entry only deletes the digest struct from the linked list without releasing the memory it uses.
Signed-off-by: Zhang Tianxing zhangtianxing3@huawei.com Reviewed-by: Roberto Sassu roberto.sassu@huawei.com Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Signed-off-by: Zhou Shuiqingzhoushuiqing2@huawei.com --- security/integrity/ima/ima_digest_list.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/security/integrity/ima/ima_digest_list.c b/security/integrity/ima/ima_digest_list.c index 0712023d6761..5aaea24571d9 100644 --- a/security/integrity/ima/ima_digest_list.c +++ b/security/integrity/ima/ima_digest_list.c @@ -120,6 +120,7 @@ static void ima_del_digest_data_entry(u8 *digest, enum hash_algo algo,
hlist_del_rcu(&d->hnext); atomic_long_dec(&ima_digests_htable.len); + kfree(d); }
/***********************