Drop 0102-patch-5.14-can-j1939-j1939_netdev_start-fix-UAF-for-rx_kref-of-.patch as it is already in RHEL upstream

SOURCES/0102-patch-5.14-can-j1939-j1939_netdev_start-fix-UAF-for-rx_kref-of-.patch

@@ -1,70 +0,0 @@
-can: j1939: j1939_netdev_start(): fix UAF for rx_kref of j1939_priv
-
-It will trigger UAF for rx_kref of j1939_priv as following.
-
-        cpu0                                    cpu1
-j1939_sk_bind(socket0, ndev0, ...)
-j1939_netdev_start
-                                        j1939_sk_bind(socket1, ndev0, ...)
-                                        j1939_netdev_start
-j1939_priv_set
-                                        j1939_priv_get_by_ndev_locked
-j1939_jsk_add
-.....
-j1939_netdev_stop
-kref_put_lock(&priv->rx_kref, ...)
-                                        kref_get(&priv->rx_kref, ...)
-                                        REFCOUNT_WARN("addition on 0;...")
-
-====================================================
-refcount_t: addition on 0; use-after-free.
-WARNING: CPU: 1 PID: 20874 at lib/refcount.c:25 refcount_warn_saturate+0x169/0x1e0
-RIP: 0010:refcount_warn_saturate+0x169/0x1e0
-Call Trace:
- j1939_netdev_start+0x68b/0x920
- j1939_sk_bind+0x426/0xeb0
- ? security_socket_bind+0x83/0xb0
-
-The rx_kref's kref_get() and kref_put() should use j1939_netdev_lock to
-protect.
-
-Fixes: 9d71dd0c70099 ("can: add support of SAE J1939 protocol")
-Link: https://lore.kernel.org/all/20210926104757.2021540-1-william.xuanziyang@huawei.com
-Cc: stable@vger.kernel.org
-Reported-by: syzbot+85d9878b19c94f9019ad@syzkaller.appspotmail.com
-Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
-Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>
-Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
----
-diff -ruN  linux-5.14.0-427.18.orig/net/can/j1939/main.c linux-5.14.0-427.18/net/can/j1939/main.c
-index 0e9af9075..0cf84b7e5 100644
---- linux-5.14.0-427.18.orig/net/can/j1939/main.c
-+++ linux-5.14.0-427.18/net/can/j1939/main.c
-@@ -253,11 +253,14 @@ struct j1939_priv *j1939_netdev_start(struct net_device *ndev)
- 	struct j1939_priv *priv, *priv_new;
- 	int ret;
- 
--	priv = j1939_priv_get_by_ndev(ndev);
-+	spin_lock(&j1939_netdev_lock);
-+	priv = j1939_priv_get_by_ndev_locked(ndev);
- 	if (priv) {
- 		kref_get(&priv->rx_kref);
-+		spin_unlock(&j1939_netdev_lock);
- 		return priv;
- 	}
-+	spin_unlock(&j1939_netdev_lock);
- 
- 	priv = j1939_priv_create(ndev);
- 	if (!priv)
-@@ -273,10 +276,10 @@ struct j1939_priv *j1939_netdev_start(struct net_device *ndev)
- 		/* Someone was faster than us, use their priv and roll
- 		 * back our's.
- 		 */
-+		kref_get(&priv_new->rx_kref);
- 		spin_unlock(&j1939_netdev_lock);
- 		dev_put(ndev);
- 		kfree(priv);
--		kref_get(&priv_new->rx_kref);
- 		return priv_new;
- 	}
- 	j1939_priv_set(ndev, priv);

SPECS/kernel.spec

@@ -958,7 +958,6 @@ Patch2007: 0007-Bring-back-deprecated-pci-ids-to-be2iscsi-driver.patch
 
 # Backported by Inferit
 Patch3001: 0101-patch-5.14-bluetooth-hci_sysfs-Fix-attempting-to-call-device_ad.patch
-Patch3002: 0102-patch-5.14-can-j1939-j1939_netdev_start-fix-UAF-for-rx_kref-of-.patch
 
 # Inferit hardware support
 Patch3101: 0201-5.14.0-mic-fix.patch
@@ -1698,7 +1697,6 @@ ApplyPatch 0006-Bring-back-deprecated-pci-ids-to-qla4xxx-driver.patch
 ApplyPatch 0007-Bring-back-deprecated-pci-ids-to-be2iscsi-driver.patch
 
 ApplyPatch 0101-patch-5.14-bluetooth-hci_sysfs-Fix-attempting-to-call-device_ad.patch
-ApplyPatch 0102-patch-5.14-can-j1939-j1939_netdev_start-fix-UAF-for-rx_kref-of-.patch
 ApplyPatch 0201-5.14.0-mic-fix.patch
 
 ApplyOptionalPatch patch-%{patchversion}-redhat.patch