[PATCH 5.9 19/46] chelsio/chtls: fix panic during unload reload chtls

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From: Vinay Kumar Yadav <vinay.yadav@xxxxxxxxxxx>

[ Upstream commit e3d5e971d2f83d8ddd4b91a50cea4517fb488383 ]

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@xxxxxxxxxxx>
Signed-off-by: Vinay Kumar Yadav <vinay.yadav@xxxxxxxxxxx>
Link: https://lore.kernel.org/r/20201125214913.16938-1-vinay.yadav@xxxxxxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/crypto/chelsio/chtls/chtls_cm.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/crypto/chelsio/chtls/chtls_cm.c
+++ b/drivers/crypto/chelsio/chtls/chtls_cm.c
@@ -1206,6 +1206,7 @@ static struct sock *chtls_recv_sock(stru
 	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);





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