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authorLinus Torvalds <torvalds@linux-foundation.org>2026-01-15 10:11:11 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2026-01-15 10:11:11 -0800
commit9e995c573b63453a904f3157813dc8cde4a6aba4 (patch)
treeb51edd38e4e16c43771b976c1e5c22bd3ec37113 /net
parent944aacb68baf7624ab8d277d0ebf07f025ca137c (diff)
parent851822aec1a3359ecb7a4767d7f4a32336043c2f (diff)
downloadlinux-next-9e995c573b63453a904f3157813dc8cde4a6aba4.tar.gz
linux-next-9e995c573b63453a904f3157813dc8cde4a6aba4.zip
Merge tag 'net-6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni: "Including fixes from bluetooth, can and IPsec. Current release - regressions: - net: add net.core.qdisc_max_burst - can: propagate CAN device capabilities via ml_priv Previous releases - regressions: - dst: fix races in rt6_uncached_list_del() and rt_del_uncached_list() - ipv6: fix use-after-free in inet6_addr_del(). - xfrm: fix inner mode lookup in tunnel mode GSO segmentation - ip_tunnel: spread netdev_lockdep_set_classes() - ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv() - bluetooth: hci_sync: enable PA sync lost event - eth: virtio-net: - fix the deadlock when disabling rx NAPI - fix misalignment bug in struct virtnet_info Previous releases - always broken: - ipv4: ip_gre: make ipgre_header() robust - can: fix SSP_SRC in cases when bit-rate is higher than 1 MBit. - eth: - mlx5e: profile change fix - octeon_ep_vf: fix free_irq dev_id mismatch in IRQ rollback - macvlan: fix possible UAF in macvlan_forward_source()" * tag 'net-6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (37 commits) virtio_net: Fix misalignment bug in struct virtnet_info net: can: j1939: j1939_xtp_rx_rts_session_active(): deactivate session upon receiving the second rts can: raw: instantly reject disabled CAN frames can: propagate CAN device capabilities via ml_priv Revert "can: raw: instantly reject unsupported CAN frames" net/sched: sch_qfq: do not free existing class in qfq_change_class() selftests: drv-net: fix RPS mask handling for high CPU numbers selftests: drv-net: fix RPS mask handling in toeplitz test ipv6: Fix use-after-free in inet6_addr_del(). dst: fix races in rt6_uncached_list_del() and rt_del_uncached_list() net: hv_netvsc: reject RSS hash key programming without RX indirection table tools: ynl: render event op docs correctly net: add net.core.qdisc_max_burst net: airoha: Fix typo in airoha_ppe_setup_tc_block_cb definition net: phy: motorcomm: fix duplex setting error for phy leds net: octeon_ep_vf: fix free_irq dev_id mismatch in IRQ rollback net/mlx5e: Restore destroying state bit after profile cleanup net/mlx5e: Pass netdev to mlx5e_destroy_netdev instead of priv net/mlx5e: Don't store mlx5e_priv in mlx5e_dev devlink priv net/mlx5e: Fix crash on profile change rollback failure ...
Diffstat (limited to 'net')
-rw-r--r--net/bluetooth/hci_sync.c1
-rw-r--r--net/bridge/br_fdb.c28
-rw-r--r--net/bridge/br_input.c4
-rw-r--r--net/can/j1939/transport.c10
-rw-r--r--net/can/raw.c51
-rw-r--r--net/core/dev.c31
-rw-r--r--net/core/dst.c1
-rw-r--r--net/core/hotdata.c1
-rw-r--r--net/core/sysctl_net_core.c7
-rw-r--r--net/ipv4/esp4_offload.c4
-rw-r--r--net/ipv4/ip_gre.c11
-rw-r--r--net/ipv4/ip_tunnel.c5
-rw-r--r--net/ipv4/route.c4
-rw-r--r--net/ipv6/addrconf.c4
-rw-r--r--net/ipv6/esp6_offload.c4
-rw-r--r--net/ipv6/ip6_tunnel.c2
-rw-r--r--net/ipv6/route.c4
-rw-r--r--net/sched/sch_qfq.c6
-rw-r--r--net/xfrm/xfrm_state.c1
19 files changed, 96 insertions, 83 deletions
diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c
index a9f5b1a68356..cbc3a75d7326 100644
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -4420,6 +4420,7 @@ static int hci_le_set_event_mask_sync(struct hci_dev *hdev)
if (bis_capable(hdev)) {
events[1] |= 0x20; /* LE PA Report */
events[1] |= 0x40; /* LE PA Sync Established */
+ events[1] |= 0x80; /* LE PA Sync Lost */
events[3] |= 0x04; /* LE Create BIG Complete */
events[3] |= 0x08; /* LE Terminate BIG Complete */
events[3] |= 0x10; /* LE BIG Sync Established */
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index 58d22e2b85fc..0501ffcb8a3d 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -70,7 +70,7 @@ static inline int has_expired(const struct net_bridge *br,
{
return !test_bit(BR_FDB_STATIC, &fdb->flags) &&
!test_bit(BR_FDB_ADDED_BY_EXT_LEARN, &fdb->flags) &&
- time_before_eq(fdb->updated + hold_time(br), jiffies);
+ time_before_eq(READ_ONCE(fdb->updated) + hold_time(br), jiffies);
}
static int fdb_to_nud(const struct net_bridge *br,
@@ -126,9 +126,9 @@ static int fdb_fill_info(struct sk_buff *skb, const struct net_bridge *br,
if (nla_put_u32(skb, NDA_FLAGS_EXT, ext_flags))
goto nla_put_failure;
- ci.ndm_used = jiffies_to_clock_t(now - fdb->used);
+ ci.ndm_used = jiffies_to_clock_t(now - READ_ONCE(fdb->used));
ci.ndm_confirmed = 0;
- ci.ndm_updated = jiffies_to_clock_t(now - fdb->updated);
+ ci.ndm_updated = jiffies_to_clock_t(now - READ_ONCE(fdb->updated));
ci.ndm_refcnt = 0;
if (nla_put(skb, NDA_CACHEINFO, sizeof(ci), &ci))
goto nla_put_failure;
@@ -551,7 +551,7 @@ void br_fdb_cleanup(struct work_struct *work)
*/
rcu_read_lock();
hlist_for_each_entry_rcu(f, &br->fdb_list, fdb_node) {
- unsigned long this_timer = f->updated + delay;
+ unsigned long this_timer = READ_ONCE(f->updated) + delay;
if (test_bit(BR_FDB_STATIC, &f->flags) ||
test_bit(BR_FDB_ADDED_BY_EXT_LEARN, &f->flags)) {
@@ -924,6 +924,7 @@ int br_fdb_fillbuf(struct net_bridge *br, void *buf,
{
struct net_bridge_fdb_entry *f;
struct __fdb_entry *fe = buf;
+ unsigned long delta;
int num = 0;
memset(buf, 0, maxnum*sizeof(struct __fdb_entry));
@@ -953,8 +954,11 @@ int br_fdb_fillbuf(struct net_bridge *br, void *buf,
fe->port_hi = f->dst->port_no >> 8;
fe->is_local = test_bit(BR_FDB_LOCAL, &f->flags);
- if (!test_bit(BR_FDB_STATIC, &f->flags))
- fe->ageing_timer_value = jiffies_delta_to_clock_t(jiffies - f->updated);
+ if (!test_bit(BR_FDB_STATIC, &f->flags)) {
+ delta = jiffies - READ_ONCE(f->updated);
+ fe->ageing_timer_value =
+ jiffies_delta_to_clock_t(delta);
+ }
++fe;
++num;
}
@@ -1002,8 +1006,8 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source,
unsigned long now = jiffies;
bool fdb_modified = false;
- if (now != fdb->updated) {
- fdb->updated = now;
+ if (now != READ_ONCE(fdb->updated)) {
+ WRITE_ONCE(fdb->updated, now);
fdb_modified = __fdb_mark_active(fdb);
}
@@ -1242,10 +1246,10 @@ static int fdb_add_entry(struct net_bridge *br, struct net_bridge_port *source,
if (fdb_handle_notify(fdb, notify))
modified = true;
- fdb->used = jiffies;
+ WRITE_ONCE(fdb->used, jiffies);
if (modified) {
if (refresh)
- fdb->updated = jiffies;
+ WRITE_ONCE(fdb->updated, jiffies);
fdb_notify(br, fdb, RTM_NEWNEIGH, true);
}
@@ -1556,7 +1560,7 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p,
goto err_unlock;
}
- fdb->updated = jiffies;
+ WRITE_ONCE(fdb->updated, jiffies);
if (READ_ONCE(fdb->dst) != p) {
WRITE_ONCE(fdb->dst, p);
@@ -1565,7 +1569,7 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p,
if (test_and_set_bit(BR_FDB_ADDED_BY_EXT_LEARN, &fdb->flags)) {
/* Refresh entry */
- fdb->used = jiffies;
+ WRITE_ONCE(fdb->used, jiffies);
} else {
modified = true;
}
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 777fa869c1a1..e355a15bf5ab 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -221,8 +221,8 @@ int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb
if (test_bit(BR_FDB_LOCAL, &dst->flags))
return br_pass_frame_up(skb, false);
- if (now != dst->used)
- dst->used = now;
+ if (now != READ_ONCE(dst->used))
+ WRITE_ONCE(dst->used, now);
br_forward(dst->dst, skb, local_rcv, false);
} else {
if (!mcast_hit)
diff --git a/net/can/j1939/transport.c b/net/can/j1939/transport.c
index 613a911dda10..8656ab388c83 100644
--- a/net/can/j1939/transport.c
+++ b/net/can/j1939/transport.c
@@ -1695,8 +1695,16 @@ static int j1939_xtp_rx_rts_session_active(struct j1939_session *session,
j1939_session_timers_cancel(session);
j1939_session_cancel(session, J1939_XTP_ABORT_BUSY);
- if (session->transmission)
+ if (session->transmission) {
j1939_session_deactivate_activate_next(session);
+ } else if (session->state == J1939_SESSION_WAITING_ABORT) {
+ /* Force deactivation for the receiver.
+ * If we rely on the timer starting in j1939_session_cancel,
+ * a second RTS call here will cancel that timer and fail
+ * to restart it because the state is already WAITING_ABORT.
+ */
+ j1939_session_deactivate_activate_next(session);
+ }
return -EBUSY;
}
diff --git a/net/can/raw.c b/net/can/raw.c
index be1ef7cf4204..12293363413c 100644
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -49,8 +49,8 @@
#include <linux/if_arp.h>
#include <linux/skbuff.h>
#include <linux/can.h>
+#include <linux/can/can-ml.h>
#include <linux/can/core.h>
-#include <linux/can/dev.h> /* for can_is_canxl_dev_mtu() */
#include <linux/can/skb.h>
#include <linux/can/raw.h>
#include <net/sock.h>
@@ -892,58 +892,21 @@ static void raw_put_canxl_vcid(struct raw_sock *ro, struct sk_buff *skb)
}
}
-static inline bool raw_dev_cc_enabled(struct net_device *dev,
- struct can_priv *priv)
-{
- /* The CANXL-only mode disables error-signalling on the CAN bus
- * which is needed to send CAN CC/FD frames
- */
- if (priv)
- return !can_dev_in_xl_only_mode(priv);
-
- /* virtual CAN interfaces always support CAN CC */
- return true;
-}
-
-static inline bool raw_dev_fd_enabled(struct net_device *dev,
- struct can_priv *priv)
-{
- /* check FD ctrlmode on real CAN interfaces */
- if (priv)
- return (priv->ctrlmode & CAN_CTRLMODE_FD);
-
- /* check MTU for virtual CAN FD interfaces */
- return (READ_ONCE(dev->mtu) >= CANFD_MTU);
-}
-
-static inline bool raw_dev_xl_enabled(struct net_device *dev,
- struct can_priv *priv)
-{
- /* check XL ctrlmode on real CAN interfaces */
- if (priv)
- return (priv->ctrlmode & CAN_CTRLMODE_XL);
-
- /* check MTU for virtual CAN XL interfaces */
- return can_is_canxl_dev_mtu(READ_ONCE(dev->mtu));
-}
-
static unsigned int raw_check_txframe(struct raw_sock *ro, struct sk_buff *skb,
struct net_device *dev)
{
- struct can_priv *priv = safe_candev_priv(dev);
-
/* Classical CAN */
- if (can_is_can_skb(skb) && raw_dev_cc_enabled(dev, priv))
+ if (can_is_can_skb(skb) && can_cap_enabled(dev, CAN_CAP_CC))
return CAN_MTU;
/* CAN FD */
if (ro->fd_frames && can_is_canfd_skb(skb) &&
- raw_dev_fd_enabled(dev, priv))
+ can_cap_enabled(dev, CAN_CAP_FD))
return CANFD_MTU;
/* CAN XL */
if (ro->xl_frames && can_is_canxl_skb(skb) &&
- raw_dev_xl_enabled(dev, priv))
+ can_cap_enabled(dev, CAN_CAP_XL))
return CANXL_MTU;
return 0;
@@ -982,6 +945,12 @@ static int raw_sendmsg(struct socket *sock, struct msghdr *msg, size_t size)
if (!dev)
return -ENXIO;
+ /* no sending on a CAN device in read-only mode */
+ if (can_cap_enabled(dev, CAN_CAP_RO)) {
+ err = -EACCES;
+ goto put_dev;
+ }
+
skb = sock_alloc_send_skb(sk, size + sizeof(struct can_skb_priv),
msg->msg_flags & MSG_DONTWAIT, &err);
if (!skb)
diff --git a/net/core/dev.c b/net/core/dev.c
index 36dc5199037e..ccef685023c2 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -478,15 +478,21 @@ static const unsigned short netdev_lock_type[] = {
ARPHRD_IEEE1394, ARPHRD_EUI64, ARPHRD_INFINIBAND, ARPHRD_SLIP,
ARPHRD_CSLIP, ARPHRD_SLIP6, ARPHRD_CSLIP6, ARPHRD_RSRVD,
ARPHRD_ADAPT, ARPHRD_ROSE, ARPHRD_X25, ARPHRD_HWX25,
+ ARPHRD_CAN, ARPHRD_MCTP,
ARPHRD_PPP, ARPHRD_CISCO, ARPHRD_LAPB, ARPHRD_DDCMP,
- ARPHRD_RAWHDLC, ARPHRD_TUNNEL, ARPHRD_TUNNEL6, ARPHRD_FRAD,
+ ARPHRD_RAWHDLC, ARPHRD_RAWIP,
+ ARPHRD_TUNNEL, ARPHRD_TUNNEL6, ARPHRD_FRAD,
ARPHRD_SKIP, ARPHRD_LOOPBACK, ARPHRD_LOCALTLK, ARPHRD_FDDI,
ARPHRD_BIF, ARPHRD_SIT, ARPHRD_IPDDP, ARPHRD_IPGRE,
ARPHRD_PIMREG, ARPHRD_HIPPI, ARPHRD_ASH, ARPHRD_ECONET,
ARPHRD_IRDA, ARPHRD_FCPP, ARPHRD_FCAL, ARPHRD_FCPL,
ARPHRD_FCFABRIC, ARPHRD_IEEE80211, ARPHRD_IEEE80211_PRISM,
- ARPHRD_IEEE80211_RADIOTAP, ARPHRD_PHONET, ARPHRD_PHONET_PIPE,
- ARPHRD_IEEE802154, ARPHRD_VOID, ARPHRD_NONE};
+ ARPHRD_IEEE80211_RADIOTAP,
+ ARPHRD_IEEE802154, ARPHRD_IEEE802154_MONITOR,
+ ARPHRD_PHONET, ARPHRD_PHONET_PIPE,
+ ARPHRD_CAIF, ARPHRD_IP6GRE, ARPHRD_NETLINK, ARPHRD_6LOWPAN,
+ ARPHRD_VSOCKMON,
+ ARPHRD_VOID, ARPHRD_NONE};
static const char *const netdev_lock_name[] = {
"_xmit_NETROM", "_xmit_ETHER", "_xmit_EETHER", "_xmit_AX25",
@@ -495,15 +501,21 @@ static const char *const netdev_lock_name[] = {
"_xmit_IEEE1394", "_xmit_EUI64", "_xmit_INFINIBAND", "_xmit_SLIP",
"_xmit_CSLIP", "_xmit_SLIP6", "_xmit_CSLIP6", "_xmit_RSRVD",
"_xmit_ADAPT", "_xmit_ROSE", "_xmit_X25", "_xmit_HWX25",
+ "_xmit_CAN", "_xmit_MCTP",
"_xmit_PPP", "_xmit_CISCO", "_xmit_LAPB", "_xmit_DDCMP",
- "_xmit_RAWHDLC", "_xmit_TUNNEL", "_xmit_TUNNEL6", "_xmit_FRAD",
+ "_xmit_RAWHDLC", "_xmit_RAWIP",
+ "_xmit_TUNNEL", "_xmit_TUNNEL6", "_xmit_FRAD",
"_xmit_SKIP", "_xmit_LOOPBACK", "_xmit_LOCALTLK", "_xmit_FDDI",
"_xmit_BIF", "_xmit_SIT", "_xmit_IPDDP", "_xmit_IPGRE",
"_xmit_PIMREG", "_xmit_HIPPI", "_xmit_ASH", "_xmit_ECONET",
"_xmit_IRDA", "_xmit_FCPP", "_xmit_FCAL", "_xmit_FCPL",
"_xmit_FCFABRIC", "_xmit_IEEE80211", "_xmit_IEEE80211_PRISM",
- "_xmit_IEEE80211_RADIOTAP", "_xmit_PHONET", "_xmit_PHONET_PIPE",
- "_xmit_IEEE802154", "_xmit_VOID", "_xmit_NONE"};
+ "_xmit_IEEE80211_RADIOTAP",
+ "_xmit_IEEE802154", "_xmit_IEEE802154_MONITOR",
+ "_xmit_PHONET", "_xmit_PHONET_PIPE",
+ "_xmit_CAIF", "_xmit_IP6GRE", "_xmit_NETLINK", "_xmit_6LOWPAN",
+ "_xmit_VSOCKMON",
+ "_xmit_VOID", "_xmit_NONE"};
static struct lock_class_key netdev_xmit_lock_key[ARRAY_SIZE(netdev_lock_type)];
static struct lock_class_key netdev_addr_lock_key[ARRAY_SIZE(netdev_lock_type)];
@@ -516,6 +528,7 @@ static inline unsigned short netdev_lock_pos(unsigned short dev_type)
if (netdev_lock_type[i] == dev_type)
return i;
/* the last key is used by default */
+ WARN_ONCE(1, "netdev_lock_pos() could not find dev_type=%u\n", dev_type);
return ARRAY_SIZE(netdev_lock_type) - 1;
}
@@ -4190,8 +4203,8 @@ static inline int __dev_xmit_skb(struct sk_buff *skb, struct Qdisc *q,
do {
if (first_n && !defer_count) {
defer_count = atomic_long_inc_return(&q->defer_count);
- if (unlikely(defer_count > READ_ONCE(q->limit))) {
- kfree_skb_reason(skb, SKB_DROP_REASON_QDISC_DROP);
+ if (unlikely(defer_count > READ_ONCE(net_hotdata.qdisc_max_burst))) {
+ kfree_skb_reason(skb, SKB_DROP_REASON_QDISC_BURST_DROP);
return NET_XMIT_DROP;
}
}
@@ -4209,7 +4222,7 @@ static inline int __dev_xmit_skb(struct sk_buff *skb, struct Qdisc *q,
ll_list = llist_del_all(&q->defer_list);
/* There is a small race because we clear defer_count not atomically
* with the prior llist_del_all(). This means defer_list could grow
- * over q->limit.
+ * over qdisc_max_burst.
*/
atomic_long_set(&q->defer_count, 0);
diff --git a/net/core/dst.c b/net/core/dst.c
index e9d35f49c9e7..1dae26c51ebe 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -68,6 +68,7 @@ void dst_init(struct dst_entry *dst, struct dst_ops *ops,
dst->lwtstate = NULL;
rcuref_init(&dst->__rcuref, 1);
INIT_LIST_HEAD(&dst->rt_uncached);
+ dst->rt_uncached_list = NULL;
dst->__use = 0;
dst->lastuse = jiffies;
dst->flags = flags;
diff --git a/net/core/hotdata.c b/net/core/hotdata.c
index dddd5c287cf0..a6db36580817 100644
--- a/net/core/hotdata.c
+++ b/net/core/hotdata.c
@@ -17,6 +17,7 @@ struct net_hotdata net_hotdata __cacheline_aligned = {
.tstamp_prequeue = 1,
.max_backlog = 1000,
+ .qdisc_max_burst = 1000,
.dev_tx_weight = 64,
.dev_rx_weight = 64,
.sysctl_max_skb_frags = MAX_SKB_FRAGS,
diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index 8d4decb2606f..05dd55cf8b58 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -430,6 +430,13 @@ static struct ctl_table net_core_table[] = {
.proc_handler = proc_dointvec
},
{
+ .procname = "qdisc_max_burst",
+ .data = &net_hotdata.qdisc_max_burst,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec
+ },
+ {
.procname = "netdev_rss_key",
.data = &netdev_rss_key,
.maxlen = sizeof(int),
diff --git a/net/ipv4/esp4_offload.c b/net/ipv4/esp4_offload.c
index 05828d4cb6cd..abd77162f5e7 100644
--- a/net/ipv4/esp4_offload.c
+++ b/net/ipv4/esp4_offload.c
@@ -122,8 +122,8 @@ static struct sk_buff *xfrm4_tunnel_gso_segment(struct xfrm_state *x,
struct sk_buff *skb,
netdev_features_t features)
{
- const struct xfrm_mode *inner_mode = xfrm_ip2inner_mode(x,
- XFRM_MODE_SKB_CB(skb)->protocol);
+ struct xfrm_offload *xo = xfrm_offload(skb);
+ const struct xfrm_mode *inner_mode = xfrm_ip2inner_mode(x, xo->proto);
__be16 type = inner_mode->family == AF_INET6 ? htons(ETH_P_IPV6)
: htons(ETH_P_IP);
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 8178c44a3cdd..e13244729ad8 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -891,10 +891,17 @@ static int ipgre_header(struct sk_buff *skb, struct net_device *dev,
const void *daddr, const void *saddr, unsigned int len)
{
struct ip_tunnel *t = netdev_priv(dev);
- struct iphdr *iph;
struct gre_base_hdr *greh;
+ struct iphdr *iph;
+ int needed;
+
+ needed = t->hlen + sizeof(*iph);
+ if (skb_headroom(skb) < needed &&
+ pskb_expand_head(skb, HH_DATA_ALIGN(needed - skb_headroom(skb)),
+ 0, GFP_ATOMIC))
+ return -needed;
- iph = skb_push(skb, t->hlen + sizeof(*iph));
+ iph = skb_push(skb, needed);
greh = (struct gre_base_hdr *)(iph+1);
greh->flags = gre_tnl_flags_to_gre_flags(t->parms.o_flags);
greh->protocol = htons(type);
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index 158a30ae7c5f..50d0f5fe4e4c 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -1281,7 +1281,7 @@ int ip_tunnel_changelink(struct net_device *dev, struct nlattr *tb[],
}
EXPORT_SYMBOL_GPL(ip_tunnel_changelink);
-int ip_tunnel_init(struct net_device *dev)
+int __ip_tunnel_init(struct net_device *dev)
{
struct ip_tunnel *tunnel = netdev_priv(dev);
struct iphdr *iph = &tunnel->parms.iph;
@@ -1308,10 +1308,9 @@ int ip_tunnel_init(struct net_device *dev)
if (tunnel->collect_md)
netif_keep_dst(dev);
- netdev_lockdep_set_classes(dev);
return 0;
}
-EXPORT_SYMBOL_GPL(ip_tunnel_init);
+EXPORT_SYMBOL_GPL(__ip_tunnel_init);
void ip_tunnel_uninit(struct net_device *dev)
{
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index b549d6a57307..11d990703d31 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1537,9 +1537,9 @@ void rt_add_uncached_list(struct rtable *rt)
void rt_del_uncached_list(struct rtable *rt)
{
- if (!list_empty(&rt->dst.rt_uncached)) {
- struct uncached_list *ul = rt->dst.rt_uncached_list;
+ struct uncached_list *ul = rt->dst.rt_uncached_list;
+ if (ul) {
spin_lock_bh(&ul->lock);
list_del_init(&rt->dst.rt_uncached);
spin_unlock_bh(&ul->lock);
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index b66217d1b2f8..27ab9d7adc64 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3112,12 +3112,12 @@ static int inet6_addr_del(struct net *net, int ifindex, u32 ifa_flags,
in6_ifa_hold(ifp);
read_unlock_bh(&idev->lock);
- ipv6_del_addr(ifp);
-
if (!(ifp->flags & IFA_F_TEMPORARY) &&
(ifp->flags & IFA_F_MANAGETEMPADDR))
delete_tempaddrs(idev, ifp);
+ ipv6_del_addr(ifp);
+
addrconf_verify_rtnl(net);
if (ipv6_addr_is_multicast(pfx)) {
ipv6_mc_config(net->ipv6.mc_autojoin_sk,
diff --git a/net/ipv6/esp6_offload.c b/net/ipv6/esp6_offload.c
index 22410243ebe8..22895521a57d 100644
--- a/net/ipv6/esp6_offload.c
+++ b/net/ipv6/esp6_offload.c
@@ -158,8 +158,8 @@ static struct sk_buff *xfrm6_tunnel_gso_segment(struct xfrm_state *x,
struct sk_buff *skb,
netdev_features_t features)
{
- const struct xfrm_mode *inner_mode = xfrm_ip2inner_mode(x,
- XFRM_MODE_SKB_CB(skb)->protocol);
+ struct xfrm_offload *xo = xfrm_offload(skb);
+ const struct xfrm_mode *inner_mode = xfrm_ip2inner_mode(x, xo->proto);
__be16 type = inner_mode->family == AF_INET ? htons(ETH_P_IP)
: htons(ETH_P_IPV6);
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 6405072050e0..c1f39735a236 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -844,7 +844,7 @@ static int __ip6_tnl_rcv(struct ip6_tnl *tunnel, struct sk_buff *skb,
skb_reset_network_header(skb);
- if (!pskb_inet_may_pull(skb)) {
+ if (skb_vlan_inet_prepare(skb, true)) {
DEV_STATS_INC(tunnel->dev, rx_length_errors);
DEV_STATS_INC(tunnel->dev, rx_errors);
goto drop;
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index a3e051dc66ee..e3a260a5564b 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -148,9 +148,9 @@ void rt6_uncached_list_add(struct rt6_info *rt)
void rt6_uncached_list_del(struct rt6_info *rt)
{
- if (!list_empty(&rt->dst.rt_uncached)) {
- struct uncached_list *ul = rt->dst.rt_uncached_list;
+ struct uncached_list *ul = rt->dst.rt_uncached_list;
+ if (ul) {
spin_lock_bh(&ul->lock);
list_del_init(&rt->dst.rt_uncached);
spin_unlock_bh(&ul->lock);
diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c
index f4013b547438..9d59090bbe93 100644
--- a/net/sched/sch_qfq.c
+++ b/net/sched/sch_qfq.c
@@ -529,8 +529,10 @@ set_change_agg:
return 0;
destroy_class:
- qdisc_put(cl->qdisc);
- kfree(cl);
+ if (!existing) {
+ qdisc_put(cl->qdisc);
+ kfree(cl);
+ }
return err;
}
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 9e14e453b55c..98b362d51836 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -3151,6 +3151,7 @@ int __xfrm_init_state(struct xfrm_state *x, struct netlink_ext_ack *extack)
int err;
if (family == AF_INET &&
+ (!x->dir || x->dir == XFRM_SA_DIR_OUT) &&
READ_ONCE(xs_net(x)->ipv4.sysctl_ip_no_pmtu_disc))
x->props.flags |= XFRM_STATE_NOPMTUDISC;