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Sebastian Andrzej Siewior 1dc4514cd5 xdp: xdp_mem_allocator can be NULL in trace_mem_connect(). 
commit e0ae713023a9d09d6e1b454bdc8e8c1dd32c586e upstream.

Since the commit mentioned below __xdp_reg_mem_model() can return a NULL
pointer. This pointer is dereferenced in trace_mem_connect() which leads
to segfault.

The trace points (mem_connect + mem_disconnect) were put in place to
pair connect/disconnect using the IDs. The ID is only assigned if
__xdp_reg_mem_model() does not return NULL. That connect trace point is
of no use if there is no ID.

Skip that connect trace point if xdp_alloc is NULL.

[ Toke Høiland-Jørgensen delivered the reasoning for skipping the trace
  point ]

Fixes: 4a48ef70b93b8 ("xdp: Allow registering memory model without rxq reference")
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Acked-by: Toke Høiland-Jørgensen <toke@redhat.com>
Link: https://lore.kernel.org/r/YikmmXsffE+QajTB@linutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-11-19 14:19:39 +01:00
..
6lowpan Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
9p net/9p: fix uninit-value in p9_client_rpc() 2024-11-19 12:27:18 +01:00
802 Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
8021q vlan: skip nested type that is not IFLA_VLAN_QOS_MAPPING 2024-11-18 12:13:00 +01:00
appletalk appletalk: Fix Use-After-Free in atalk_ioctl 2024-11-18 12:11:49 +01:00
atm atm: Fix Use-After-Free in do_vcc_ioctl 2024-11-18 12:11:49 +01:00
ax25 Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
batman-adv batman-adv: Don't accept TT entries for out-of-spec VIDs 2024-11-19 14:19:34 +01:00
bluetooth Bluetooth: L2CAP: Fix rejecting L2CAP_CONN_PARAM_UPDATE_REQ 2024-11-19 14:19:03 +01:00
bpf Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
bpfilter Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
bridge net: bridge: fix multicast-to-unicast with fraglist GSO 2024-11-19 11:32:43 +01:00
caif Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
can net: can: j1939: enhanced error handling for tightly received RTS messages in xtp_rx_rts_session_new 2024-11-19 14:19:34 +01:00
ceph libceph: use kernel_connect() 2024-11-08 11:25:50 +01:00
core xdp: xdp_mem_allocator can be NULL in trace_mem_connect(). 2024-11-19 14:19:39 +01:00
dcb Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
dccp dccp/tcp: Call security_inet_conn_request() after setting IPv6 addresses. 2024-11-18 11:43:07 +01:00
decnet Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
dns_resolver keys, dns: Fix size check of V1 server-list header 2024-11-18 12:12:43 +01:00
dsa Backport mac80211 patches from linux-6.1.y 2024-06-15 16:29:20 -03:00
ethernet ethernet: Add helper for assigning packet type when dest address does not match device address 2024-11-19 11:32:39 +01:00
ethtool ethtool: netlink: Add missing ethnl_ops_begin/complete 2024-11-18 12:12:51 +01:00
hsr hsr: Handle failures in module init 2024-11-19 08:44:59 +01:00
ieee802154 Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ife net: sched: ife: fix potential use-after-free 2024-11-18 12:11:59 +01:00
ipv4 tcp: Fix data races around icsk->icsk_af_ops. 2024-11-19 14:19:35 +01:00
ipv6 tcp: Fix data races around icsk->icsk_af_ops. 2024-11-19 14:19:35 +01:00
iucv net/iucv: Avoid explicit cpumask var allocation on stack 2024-11-19 14:19:32 +01:00
kcm net: kcm: fix incorrect parameter validation in the kcm_getsockopt) function 2024-11-19 08:44:50 +01:00
key Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
l2tp net l2tp: drop flow hash on forward 2024-11-19 11:32:42 +01:00
l3mdev Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
lapb Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
llc llc: call sock_orphan() at release time 2024-11-18 12:13:22 +01:00
mac80211 wifi: mac80211: correctly parse Spatial Reuse Parameter Set element 2024-11-19 14:19:00 +01:00
mac802154 mac802154: fix llsec key resources release in mac802154_llsec_key_del 2024-11-19 09:22:33 +01:00
mpls Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mptcp mptcp: pm: update add_addr counters after connect 2024-11-19 14:19:05 +01:00
ncm Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ncsi net/ncsi: Fix the multi thread manner of NCSI driver 2024-11-19 14:19:00 +01:00
netfilter netfilter: nf_tables: fully validate NFT_DATA_VALUE on store to data registers 2024-11-19 14:19:32 +01:00
netlabel calipso: fix memory leak in netlbl_calipso_add_pass() 2024-11-18 12:12:25 +01:00
netlink netlink: annotate lockless accesses to nlk->max_recvmsg_len 2024-11-19 12:26:38 +01:00
netrom netrom: Fix a memory leak in nr_heartbeat_expiry() 2024-11-19 14:19:08 +01:00
nfc nfc: nci: Fix handling of zero-length payload packets in nci_rx_work() 2024-11-19 12:27:10 +01:00
nsh nsh: Restore skb->{protocol,data,mac_header} for outer header in nsh_gso_segment(). 2024-11-19 11:32:42 +01:00
openvswitch openvswitch: Set the skbuff pkt_type for proper pmtud support. 2024-11-19 12:27:09 +01:00
packet af_packet: avoid a false positive warning in packet_setsockopt() 2024-11-19 14:19:06 +01:00
phonet phonet: fix rtm_phonet_notify() skb allocation 2024-11-19 11:32:46 +01:00
psample psample: Require 'CAP_NET_ADMIN' when joining "packets" group 2024-11-18 12:11:46 +01:00
qrtr Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
rds net/rds: fix possible cp null dereference 2024-11-19 09:22:45 +01:00
rfkill net: rfkill: gpio: set GPIO direction 2024-11-18 12:12:01 +01:00
rose net/rose: fix races in rose_kill_by_device() 2024-11-18 12:11:59 +01:00
rxrpc rxrpc: Fix response to PING RESPONSE ACKs to a dead call 2024-11-18 12:13:25 +01:00
sched sched: act_ct: add netns into the key of tcf_ct_flow_table 2024-11-19 14:19:08 +01:00
sctp Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
skb_tracer Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
smc net/smc: reduce rtnl pressure in smc_pnet_create_pnetids_list() 2024-11-19 09:23:13 +01:00
strparser Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sunrpc SUNRPC: Fix a NULL pointer deref in trace_svc_stats_latency() 2024-11-19 14:19:31 +01:00
switchdev Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
tipc tipc: force a dst refcount before doing decryption 2024-11-19 14:19:08 +01:00
tls tls: fix missing memory barrier in tls_init 2024-11-19 12:27:09 +01:00
unix af_unix: Annotate data-race of sk->sk_shutdown in sk_diag_fill(). 2024-11-19 14:19:01 +01:00
vmw_vsock virtio/vsock: fix logic which reduces credit update messages 2024-11-18 12:12:37 +01:00
wimax Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
wireless wifi: cfg80211: pmsr: use correct nla_get_uX functions 2024-11-19 14:19:00 +01:00
x25 net/x25: fix incorrect parameter validation in the x25_getsockopt() function 2024-11-19 08:44:50 +01:00
xdp xsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING 2024-11-19 11:32:19 +01:00
xfrm net: fix __dst_negative_advice() race 2024-11-19 12:27:19 +01:00
compat.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
devres.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
Kconfig Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
Makefile Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
socket.c net: Save and restore msg_namelen in sock_sendmsg 2024-11-18 12:12:07 +01:00
sysctl_net.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
TEST_MAPPING Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00