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Antoine Tenart 8c1b3d65a4 udp: do not transition UDP GRO fraglist partial checksums to unnecessary 
commit f0b8c30345565344df2e33a8417a27503589247d upstream.

UDP GRO validates checksums and in udp4/6_gro_complete fraglist packets
are converted to CHECKSUM_UNNECESSARY to avoid later checks. However
this is an issue for CHECKSUM_PARTIAL packets as they can be looped in
an egress path and then their partial checksums are not fixed.

Different issues can be observed, from invalid checksum on packets to
traces like:

  gen01: hw csum failure
  skb len=3008 headroom=160 headlen=1376 tailroom=0
  mac=(106,14) net=(120,40) trans=160
  shinfo(txflags=0 nr_frags=0 gso(size=0 type=0 segs=0))
  csum(0xffff232e ip_summed=2 complete_sw=0 valid=0 level=0)
  hash(0x77e3d716 sw=1 l4=1) proto=0x86dd pkttype=0 iif=12
  ...

Fix this by only converting CHECKSUM_NONE packets to
CHECKSUM_UNNECESSARY by reusing __skb_incr_checksum_unnecessary. All
other checksum types are kept as-is, including CHECKSUM_COMPLETE as
fraglist packets being segmented back would have their skb->csum valid.

Fixes: 9fd1ff5d2ac7 ("udp: Support UDP fraglist GRO/GSO.")
Signed-off-by: Antoine Tenart <atenart@kernel.org>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-11-19 09:22:47 +01:00
..
6lowpan Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
9p 9p/net: fix possible memory leak in p9_check_errors() 2024-11-18 12:12:01 +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 net: vlan: introduce skb_vlan_eth_hdr() 2024-11-18 12:11:48 +01:00
bluetooth Bluetooth: Fix TOCTOU in HCI debugfs implementation 2024-11-19 09:22:45 +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 netfilter: validate user input for expected length 2024-11-19 09:22:46 +01:00
caif Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
can can: j1939: Fix UAF in j1939_sk_match_filter during setsockopt(SO_J1939_FILTER) 2024-11-18 12:13:33 +01:00
ceph libceph: use kernel_connect() 2024-11-08 11:25:50 +01:00
core bpf, sockmap: Prevent lock inversion deadlock in map delete elem 2024-11-19 09:22:46 +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 Backport mac80211 patches from linux-6.1.y 2024-06-15 16:29:20 -03:00
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 udp: do not transition UDP GRO fraglist partial checksums to unnecessary 2024-11-19 09:22:47 +01:00
ipv6 udp: do not transition UDP GRO fraglist partial checksums to unnecessary 2024-11-19 09:22:47 +01:00
iucv net/iucv: fix the allocation size of iucv_path_table array 2024-11-19 08:44:36 +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 l2tp: fix incorrect parameter validation in the pppol2tp_getsockopt() function 2024-11-19 08:44:50 +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: check/clear fast rx for non-4addr sta VLAN changes 2024-11-19 09:22:41 +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: fix double-free on socket dismantle 2024-11-18 23:18:30 +01:00
ncm Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ncsi net/ncsi: Fix netlink major/minor version numbers 2024-11-18 12:12:28 +01:00
netfilter netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get() 2024-11-19 09:22:46 +01:00
netlabel calipso: fix memory leak in netlbl_calipso_add_pass() 2024-11-18 12:12:25 +01:00
netlink netlink: Fix kernel-infoleak-after-free in __skb_datagram_iter 2024-11-18 23:18:28 +01:00
netrom netrom: Fix data-races around sysctl_net_busy_read 2024-11-18 23:19:35 +01:00
nfc nfc: nci: Fix uninit-value in nci_dev_up and nci_ntf_packet 2024-11-19 09:22:44 +01:00
nsh Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
openvswitch net: openvswitch: limit the number of recursions from action sets 2024-11-18 12:13:28 +01:00
packet packet: annotate data-races around ignore_outgoing 2024-11-19 08:44:59 +01:00
phonet Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
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 net/sched: act_skbmod: prevent kernel-infoleak 2024-11-19 09:22:46 +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: fix illegal rmb_desc access in SMC-D connection dump 2024-11-18 12:12:59 +01:00
strparser Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sunrpc net: sunrpc: Fix an off by one in rpc_sockaddr2uaddr() 2024-11-19 08:44:57 +01:00
switchdev Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
tipc tipc: Check the bearer type before calling tipc_udp_nl_bearer_add() 2024-11-18 12:13:25 +01:00
tls tls: stop recv() if initial process_rx_list gave us non-DATA 2024-11-18 22:25:42 +01:00
unix Revert "io_uring/unix: drop usage of io_uring socket" 2024-11-19 09:11:51 +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: nl80211: reject iftype change with mesh ID change 2024-11-18 23:18:29 +01:00
x25 net/x25: fix incorrect parameter validation in the x25_getsockopt() function 2024-11-19 08:44:50 +01:00
xdp Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
xfrm xfrm: Avoid clang fortify warning in copy_to_user_tmpl() 2024-11-19 09:22:38 +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