| From foo@baz Sat Oct 24 10:56:27 AM CEST 2020 |
| From: Vinay Kumar Yadav <vinay.yadav@chelsio.com> |
| Date: Mon, 19 Oct 2020 17:20:22 +0530 |
| Subject: chelsio/chtls: fix panic when server is on ipv6 |
| |
| From: Vinay Kumar Yadav <vinay.yadav@chelsio.com> |
| |
| [ Upstream commit 86cdf9ca4409d997a391103e480b3f77b7ccc19b ] |
| |
| Netdev is filled in egress_dev when connection is established, |
| If connection is closed before establishment, then egress_dev |
| is NULL, Fix it using ip_dev_find() rather then extracting from |
| egress_dev. |
| |
| Fixes: 6abde0b24122 ("crypto/chtls: IPv6 support for inline TLS") |
| Signed-off-by: Venkatesh Ellapu <venkatesh.e@chelsio.com> |
| Signed-off-by: Vinay Kumar Yadav <vinay.yadav@chelsio.com> |
| Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| --- |
| drivers/crypto/chelsio/chtls/chtls_cm.c | 5 ++--- |
| 1 file changed, 2 insertions(+), 3 deletions(-) |
| |
| --- a/drivers/crypto/chelsio/chtls/chtls_cm.c |
| +++ b/drivers/crypto/chelsio/chtls/chtls_cm.c |
| @@ -736,14 +736,13 @@ void chtls_listen_stop(struct chtls_dev |
| |
| #if IS_ENABLED(CONFIG_IPV6) |
| if (sk->sk_family == PF_INET6) { |
| - struct chtls_sock *csk; |
| + struct net_device *ndev = chtls_find_netdev(cdev, sk); |
| int addr_type = 0; |
| |
| - csk = rcu_dereference_sk_user_data(sk); |
| addr_type = ipv6_addr_type((const struct in6_addr *) |
| &sk->sk_v6_rcv_saddr); |
| if (addr_type != IPV6_ADDR_ANY) |
| - cxgb4_clip_release(csk->egress_dev, (const u32 *) |
| + cxgb4_clip_release(ndev, (const u32 *) |
| &sk->sk_v6_rcv_saddr, 1); |
| } |
| #endif |
