chelsio/chtls: fix panic during unload reload chtls

there is kernel panic in inet_twsk_free() while chtls
module unload when socket is in TIME_WAIT state because
sk_prot_creator was not preserved on connection socket.

Fixes: cc35c88ae4db ("crypto : chtls - CPL handler definition")
Signed-off-by: Udai Sharma <udai.sharma@chelsio.com>
Signed-off-by: Vinay Kumar Yadav <vinay.yadav@chelsio.com>
Link: https://lore.kernel.org/r/20201125214913.16938-1-vinay.yadav@chelsio.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c
index 96d5616534963e298660f39782febd9744340c93..50e3a70e5a290a1f0e9dbafbfc7e813ed3bd6d40 100644 (file)
--- a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c
+++ b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c
@@ -1206,6 +1206,7 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
        sk_setup_caps(newsk, dst);
        ctx = tls_get_ctx(lsk);
        newsk->sk_destruct = ctx->sk_destruct;
+       newsk->sk_prot_creator = lsk->sk_prot_creator;
        csk->sk = newsk;
        csk->passive_reap_next = oreq;
        csk->tx_chan = cxgb4_port_chan(ndev);