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Wang Yufen b8879ca1fd ipv6: Fix signed integer overflow in l2tp_ip6_sendmsg 
[ Upstream commit f638a84afef3dfe10554c51820c16e39a278c915 ]

When len >= INT_MAX - transhdrlen, ulen = len + transhdrlen will be
overflow. To fix, we can follow what udpv6 does and subtract the
transhdrlen from the max.

Signed-off-by: Wang Yufen <wangyufen@huawei.com>
Link: https://lore.kernel.org/r/20220607120028.845916-2-wangyufen@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-06-22 14:13:15 +02:00
..
6lowpan
6lowpan: iphc: Fix an off-by-one check of array index
2021-09-15 09:50:34 +02:00
9p
xen/9p: use alloc/free_pages_exact()
2022-03-11 12:11:54 +01:00
802
net/802/garp: fix memleak in garp_request_join()
2021-07-31 08:16:11 +02:00
8021q
net: vlan: fix underflow for the real_dev refcnt
2021-12-01 09:19:08 +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
ax25: Fix UAF bugs in ax25 timers
2022-04-20 09:23:32 +02:00
batman-adv
batman-adv: Don't skb_split skbuffs with frag_list
2022-05-18 10:23:42 +02:00
bluetooth
Bluetooth: use hdev lock for accept_list and reject_list in conn req
2022-06-09 10:21:09 +02:00
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: Clear offload_fwd_mark when passing frame up bridge interface.
2022-05-25 09:17:59 +02:00
caif
net-caif: avoid user-triggerable WARN_ON(1)
2021-09-22 12:27:56 +02:00
can
can: isotp: remove re-binding of bound socket
2022-05-12 12:25:35 +02:00
ceph
libceph: fix potential use-after-free on linger ping and resends
2022-05-25 09:17:56 +02:00
core
netfilter: nf_tables: bail out early if hardware offload is not supported
2022-06-14 18:32:40 +02:00
dcb
net: dcb: disable softirqs in dcbnl_flush_dev()
2022-03-08 19:09:37 +01:00
dccp
lsm,selinux: pass flowi_common instead of flowi to the LSM hooks
2022-06-09 10:21:09 +02:00
decnet
net: decnet: Fix sleeping inside in af_decnet
2021-07-28 14:35:38 +02:00
dns_resolver
…
dsa
net: dsa: Add missing of_node_put() in dsa_port_link_register_of
2022-05-09 09:05:02 +02:00
ethernet
…
ethtool
ethtool: do not perform operations on net devices being unregistered
2021-12-17 10:14:41 +01:00
hsr
net: hsr: fix mac_len checks
2021-06-03 09:00:50 +02:00
ieee802154
net: ieee802154: Return meaningful error codes from the netlink helpers
2022-02-08 18:30:37 +01:00
ife
…
ipv4
tcp: fix tcp_mtup_probe_success vs wrong snd_cwnd
2022-06-14 18:32:47 +02:00
ipv6
net: ipv6: unexport __init-annotated seg6_hmac_init()
2022-06-14 18:32:40 +02:00
iucv
net/af_iucv: remove WARN_ONCE on malformed RX packets
2021-03-07 12:34:05 +01:00
kcm
…
key
Revert "net: af_key: add check for pfkey_broadcast in function pfkey_process"
2022-06-14 18:32:43 +02:00
l2tp
ipv6: Fix signed integer overflow in l2tp_ip6_sendmsg
2022-06-22 14:13:15 +02:00
l3mdev
l3mdev: l3mdev_master_upper_ifindex_by_index_rcu should be using netdev_master_upper_dev_get_rcu
2022-04-27 13:53:50 +02:00
lapb
net: lapb: Copy the skb before sending a packet
2021-02-10 09:29:14 +01:00
llc
llc: only change llc->dev when bind() succeeds
2022-03-28 09:57:10 +02:00
mac80211
mac80211: upgrade passive scan to active scan on DFS channels after beacon rx
2022-06-09 10:21:26 +02:00
mac802154
net: mac802154: Fix general protection fault
2021-04-14 08:42:13 +02:00
mpls
net: mpls: Fix notifications when deleting a device
2021-12-08 09:03:23 +01:00
mptcp
mptcp: clear 'kern' flag from fallback sockets
2021-12-22 09:30:54 +01:00
ncsi
net/ncsi: check for error return from call to nla_put_u32
2022-01-05 12:40:32 +01:00
netfilter
netfilter: nf_tables: bail out early if hardware offload is not supported
2022-06-14 18:32:40 +02:00
netlabel
netlabel: fix out-of-bounds memory accesses
2022-04-13 21:01:00 +02:00
netlink
netlink: do not reset transport header in netlink_recvmsg()
2022-05-18 10:23:43 +02:00
netrom
netrom: fix api breakage in nr_setsockopt()
2022-01-27 10:54:03 +01:00
nfc
NFC: NULL out the dev->rfkill to prevent UAF
2022-06-09 10:21:01 +02:00
nsh
…
openvswitch
openvswitch: fix OOB access in reserve_sfa_size()
2022-04-27 13:53:55 +02:00
packet
net/packet: fix packet_sock xmit return value checking
2022-04-27 13:53:50 +02:00
phonet
phonet: refcount leak in pep_sock_accep
2022-01-11 15:25:01 +01:00
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: memory leak in __rds_conn_create()
2021-12-22 09:30:54 +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 decision on when to generate an IDLE ACK
2022-06-09 10:21:12 +02:00
sched
net/sched: act_pedit: sanitize shift argument before usage
2022-05-25 09:17:58 +02:00
sctp
sctp: read sk->sk_bound_dev_if once in sctp_rcv()
2022-06-09 10:21:09 +02:00
smc
net/smc: fixes for converting from "struct smc_cdc_tx_pend **" to "struct smc_wr_tx_pend_priv *"
2022-06-14 18:32:36 +02:00
strparser
bpf: sockmap, strparser, and tls are reusing qdisc_skb_cb and colliding
2021-11-18 14:04:27 +01:00
sunrpc
SUNRPC: Fix the calculation of xdr->end in xdr_get_next_encode_buffer()
2022-06-14 18:32:40 +02:00
switchdev
net: switchdev: don't set port_obj_info->handled true when -EOPNOTSUPP
2021-02-07 15:37:12 +01:00
tipc
tipc: check attribute length for bearer name
2022-06-14 18:32:37 +02:00
tls
tls: Fix context leak on tls_device_down
2022-05-18 10:23:45 +02:00
unix
af_unix: Fix a data-race in unix_dgram_peer_wake_me().
2022-06-14 18:32:40 +02:00
vmw_vsock
vsock: each transport cycles only on its own sockets
2022-03-23 09:13:27 +01:00
wimax
…
wireless
cfg80211: declare MODULE_FIRMWARE for regulatory.db
2022-06-09 10:21:26 +02:00
x25
net/x25: Fix null-ptr-deref caused by x25_disconnect
2022-04-08 14:40:30 +02:00
xdp
Revert "xsk: Do not sleep in poll() when need_wakeup set"
2021-12-22 09:30:59 +01:00
xfrm
lsm,selinux: pass flowi_common instead of flowi to the LSM hooks
2022-06-09 10:21:09 +02:00
compat.c
net: Return the correct errno code
2021-06-18 10:00:06 +02:00
devres.c
…
Kconfig
…
Makefile
…
socket.c
ethtool: improve compat ioctl handling
2021-09-18 13:40:21 +02:00
sysctl_net.c
…