1 files changed, 1 insertions, 1 deletions

diff --git a/security/keys/request_key_auth.c b/security/keys/request_key_auth.c
index afc304e8b61e..bda6201c6c45 100644
--- a/security/keys/request_key_auth.c
+++ b/security/keys/request_key_auth.c
@@ -247,7 +247,7 @@ struct key *key_get_instantiation_authkey(key_serial_t target_id)
         struct key *authkey;
         key_ref_t authkey_ref;
 
-        sprintf(description, "%x", target_id);
+        ctx.index_key.desc_len = sprintf(description, "%x", target_id);
 
         authkey_ref = search_process_keyrings(&ctx);