1 files changed, 5 insertions, 1 deletions

diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c
index 237f3795cfaa..43fe85f20d57 100644
--- a/crypto/crypto_user.c
+++ b/crypto/crypto_user.c
@@ -499,6 +499,7 @@ static int crypto_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
                 if (link->dump == NULL)
                         return -EINVAL;
 
+                down_read(&crypto_alg_sem);
                 list_for_each_entry(alg, &crypto_alg_list, cra_list)
                         dump_alloc += CRYPTO_REPORT_MAXSIZE;
 
@@ -508,8 +509,11 @@ static int crypto_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
                                 .done = link->done,
                                 .min_dump_alloc = dump_alloc,
                         };
-                        return netlink_dump_start(crypto_nlsk, skb, nlh, &c);
+                        err = netlink_dump_start(crypto_nlsk, skb, nlh, &c);
                 }
+                up_read(&crypto_alg_sem);
+
+                return err;
         }
 
         err = nlmsg_parse(nlh, crypto_msg_min[type], attrs, CRYPTOCFGA_MAX,