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Tadeusz Struk a7d9162586 tipc: check for null after calling kmemdup 
commit 3e6db079751afd527bf3db32314ae938dc571916 upstream.

kmemdup can return a null pointer so need to check for it, otherwise
the null key will be dereferenced later in tipc_crypto_key_xmit as
can be seen in the trace [1].

Cc: tipc-discussion@lists.sourceforge.net
Cc: stable@vger.kernel.org # 5.15, 5.14, 5.10

[1] https://syzkaller.appspot.com/bug?id=bca180abb29567b189efdbdb34cbf7ba851c2a58

Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@linaro.org>
Acked-by: Ying Xue <ying.xue@windriver.com>
Acked-by: Jon Maloy <jmaloy@redhat.com>
Link: https://lore.kernel.org/r/20211115160143.5099-1-tadeusz.struk@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-11-26 10:39:19 +01:00
..
6lowpan
6lowpan: iphc: Fix an off-by-one check of array index
2021-09-15 09:50:34 +02:00
9p
9p/net: fix missing error check in p9_check_errors
2021-11-18 14:04:29 +01:00
802
net/802/garp: fix memleak in garp_request_join()
2021-07-31 08:16:11 +02:00
8021q
net: vlan: fix a UAF in vlan_dev_real_dev()
2021-11-18 14:04:26 +01:00
appletalk
appletalk: Fix skb allocation size in loopback case
2021-04-07 15:00:08 +02:00
atm
net: atm: fix update of position index in lec_seq_next
2020-10-31 12:26:30 -07:00
ax25
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-07-25 17:49:04 -07:00
batman-adv
net: batman-adv: fix error handling
2021-11-02 19:48:22 +01:00
bluetooth
Bluetooth: fix init and cleanup of sco_conn.timeout_work
2021-11-18 14:04:01 +01:00
bpf
bpf, test, cgroup: Use sk_{alloc,free} for test cases
2021-10-27 09:56:56 +02:00
bpfilter
bpfilter: Specify the log level for the kmsg message
2021-07-14 16:56:29 +02:00
bridge
net: bridge: mcast: use multicast_membership_interval for IGMPv3
2021-10-27 09:56:54 +02:00
caif
net-caif: avoid user-triggerable WARN_ON(1)
2021-09-22 12:27:56 +02:00
can
can: j1939: j1939_can_recv(): ignore messages with invalid source address
2021-11-18 14:03:48 +01:00
ceph
libceph: clear con->out_msg on Policy::stateful_server faults
2020-10-12 15:29:27 +02:00
core
sock: fix /proc/net/sockstat underflow in sk_clone_lock()
2021-11-26 10:39:14 +01:00
dcb
net: dcb: Accept RTM_GETDCB messages carrying set-like DCB commands
2021-01-23 16:04:01 +01:00
dccp
tcp: switch orphan_count to bare per-cpu counters
2021-11-18 14:04:08 +01:00
decnet
net: decnet: Fix sleeping inside in af_decnet
2021-07-28 14:35:38 +02:00
dns_resolver
…
dsa
net: dsa: don't allocate the slave_mii_bus using devres
2021-09-30 10:11:02 +02:00
ethernet
…
ethtool
ethtool: fix ethtool msg len calculation for pause stats
2021-11-18 14:04:25 +01:00
hsr
net: hsr: fix mac_len checks
2021-06-03 09:00:50 +02:00
ieee802154
net: Fix memory leak in ieee802154_raw_deliver
2021-08-18 08:59:12 +02:00
ife
…
ipv4
tcp: Fix uninitialized access in skb frags array for Rx 0cp.
2021-11-26 10:39:14 +01:00
ipv6
udp6: allow SO_MARK ctrl msg to affect routing
2021-11-18 14:04:13 +01:00
iucv
net/af_iucv: remove WARN_ONCE on malformed RX packets
2021-03-07 12:34:05 +01:00
kcm
net: pass a sockptr_t into ->setsockopt
2020-07-24 15:41:54 -07:00
key
af_key: relax availability checks for skb size calculation
2021-02-13 13:55:02 +01:00
l2tp
net/l2tp: Fix reference count leak in l2tp_udp_recv_core
2021-09-22 12:27:56 +02:00
l3mdev
net: Fix some comments
2020-08-27 07:55:59 -07:00
lapb
net: lapb: Copy the skb before sending a packet
2021-02-10 09:29:14 +01:00
llc
net: llc: fix skb_over_panic
2021-08-04 12:46:43 +02:00
mac80211
mac80211: check return value of rhashtable_init
2021-10-17 10:43:33 +02:00
mac802154
net: mac802154: Fix general protection fault
2021-04-14 08:42:13 +02:00
mpls
net: avoid infinite loop in mpls_gso_segment when mpls_hlen == 0
2021-03-17 17:06:11 +01:00
mptcp
mptcp: don't return sockets in foreign netns
2021-10-06 15:55:52 +02:00
ncsi
net/ncsi: Avoid channel_monitor hrtimer deadlock
2021-04-14 08:42:08 +02:00
netfilter
netfilter: nfnetlink_queue: fix OOB when mac header was cleared
2021-11-18 14:04:24 +01:00
netlabel
net: fix NULL pointer reference in cipso_v4_doi_free
2021-09-18 13:40:35 +02:00
netlink
netlink: annotate data races around nlk->bound
2021-10-13 10:04:27 +02:00
netrom
netrom: Decrease sock refcount when sock timers expire
2021-07-28 14:35:38 +02:00
nfc
NFC: add NCI_UNREG flag to eliminate the race
2021-11-26 10:39:18 +01:00
nsh
…
openvswitch
ovs: clear skb->tstamp in forwarding path
2021-08-26 08:35:50 -04:00
packet
net/packet: annotate accesses to po->ifindex
2021-06-30 08:47:22 -04:00
phonet
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
psample
net: psample: Fix netlink skb length with tunnel info
2021-03-07 12:34:07 +01:00
qrtr
net: qrtr: fix another OOB Read in qrtr_endpoint_post
2021-09-03 10:09:21 +02:00
rds
rds: stop using dmapool
2021-11-18 14:03:44 +01:00
rfkill
rfkill: Fix use-after-free in rfkill_resume()
2020-11-12 09:18:06 +01:00
rose
rose: Fix Null pointer dereference in rose_send_frame()
2020-11-20 10:04:58 -08:00
rxrpc
rxrpc: Fix _usecs_to_jiffies() by using usecs_to_jiffies()
2021-11-18 14:04:03 +01:00
sched
net: sched: act_mirred: drop dst for the direction from egress to ingress
2021-11-26 10:39:16 +01:00
sctp
sctp: add vtag check in sctp_sf_ootb
2021-11-02 19:48:24 +01:00
smc
net/smc: Make sure the link_id is unique
2021-11-26 10:39:15 +01:00
strparser
bpf: sockmap, strparser, and tls are reusing qdisc_skb_cb and colliding
2021-11-18 14:04:27 +01:00
sunrpc
SUNRPC: Partial revert of commit 6f9f17287e78
2021-11-18 14:04:32 +01:00
switchdev
net: switchdev: don't set port_obj_info->handled true when -EOPNOTSUPP
2021-02-07 15:37:12 +01:00
tipc
tipc: check for null after calling kmemdup
2021-11-26 10:39:19 +01:00
tls
net/tls: Fix flipped sign in async_wait.err assignment
2021-11-02 19:48:23 +01:00
unix
af_unix: fix races in sk_peer_pid and sk_peer_cred accesses
2021-10-06 15:55:58 +02:00
vmw_vsock
vsock: prevent unnecessary refcnt inc for nonblocking connect
2021-11-18 14:04:28 +01:00
wimax
genetlink: move to smaller ops wherever possible
2020-10-02 19:11:11 -07:00
wireless
cfg80211: correct bridge/4addr mode check
2021-11-02 19:48:22 +01:00
x25
net/x25: Return the correct errno code
2021-06-18 10:00:06 +02:00
xdp
xsk: Fix broken Tx ring validation
2021-07-14 16:56:23 +02:00
xfrm
net: xfrm: Fix end of loop tests for list_for_each_entry
2021-08-26 08:35:35 -04:00
compat.c
net: Return the correct errno code
2021-06-18 10:00:06 +02:00
devres.c
…
Kconfig
drop_monitor: Convert to using devlink tracepoint
2020-09-30 18:01:26 -07:00
Makefile
…
socket.c
ethtool: improve compat ioctl handling
2021-09-18 13:40:21 +02:00
sysctl_net.c
…