1 files changed, 12 insertions, 0 deletions

diff --git a/crypto/seqiv.c b/crypto/seqiv.c
index 9daa854cc485..b7bb9a2f4a31 100644
--- a/crypto/seqiv.c
+++ b/crypto/seqiv.c
@@ -267,6 +267,12 @@ static struct crypto_instance *seqiv_ablkcipher_alloc(struct rtattr **tb)
         if (IS_ERR(inst))
                 goto out;
 
+        if (inst->alg.cra_ablkcipher.ivsize < sizeof(u64)) {
+                skcipher_geniv_free(inst);
+                inst = ERR_PTR(-EINVAL);
+                goto out;
+        }
+
         inst->alg.cra_ablkcipher.givencrypt = seqiv_givencrypt_first;
 
         inst->alg.cra_init = seqiv_init;
@@ -287,6 +293,12 @@ static struct crypto_instance *seqiv_aead_alloc(struct rtattr **tb)
         if (IS_ERR(inst))
                 goto out;
 
+        if (inst->alg.cra_aead.ivsize < sizeof(u64)) {
+                aead_geniv_free(inst);
+                inst = ERR_PTR(-EINVAL);
+                goto out;
+        }
+
         inst->alg.cra_aead.givencrypt = seqiv_aead_givencrypt_first;
 
         inst->alg.cra_init = seqiv_aead_init;