diff options
| -rw-r--r-- | net/ipv4/sysctl_net_ipv4.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index 9205e492dc9d..63d4eccc674d 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -248,6 +248,8 @@ int proc_tcp_fastopen_key(ctl_table *ctl, int write, void __user *buffer, ctxt = rcu_dereference(tcp_fastopen_ctx); if (ctxt) memcpy(user_key, ctxt->key, TCP_FASTOPEN_KEY_LENGTH); + else + memset(user_key, 0, sizeof(user_key)); rcu_read_unlock(); snprintf(tbl.data, tbl.maxlen, "%08x-%08x-%08x-%08x", |