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Antoine Tenart ec7014b4d3 tunnels: fix out of bounds access when building IPv6 PMTU error 
[ Upstream commit d75abeec401f8c86b470e7028a13fcdc87e5dd06 ]

If the ICMPv6 error is built from a non-linear skb we get the following
splat,

  BUG: KASAN: slab-out-of-bounds in do_csum+0x220/0x240
  Read of size 4 at addr ffff88811d402c80 by task netperf/820
  CPU: 0 PID: 820 Comm: netperf Not tainted 6.8.0-rc1+ #543
  ...
   kasan_report+0xd8/0x110
   do_csum+0x220/0x240
   csum_partial+0xc/0x20
   skb_tunnel_check_pmtu+0xeb9/0x3280
   vxlan_xmit_one+0x14c2/0x4080
   vxlan_xmit+0xf61/0x5c00
   dev_hard_start_xmit+0xfb/0x510
   __dev_queue_xmit+0x7cd/0x32a0
   br_dev_queue_push_xmit+0x39d/0x6a0

Use skb_checksum instead of csum_partial who cannot deal with non-linear
SKBs.

Fixes: 4cb47a8644cc ("tunnels: PMTU discovery support for directly bridged IP packets")
Signed-off-by: Antoine Tenart <atenart@kernel.org>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-11-18 12:13:24 +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: L2CAP: Fix possible multiple reject send 2024-11-18 12:13:17 +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: nf_conntrack_bridge: initialize err to 0 2024-11-18 11:43:20 +01:00
caif Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
can can: isotp: isotp_sendmsg(): fix TX state detection and wait behavior 2024-11-18 10:58:47 +01:00
ceph libceph: use kernel_connect() 2024-11-08 11:25:50 +01:00
core tcp: make sure init the accept_queue's spinlocks once 2024-11-18 12:12:59 +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: Prevent use after free in prp_create_tagged_frame() 2024-11-18 11:43:07 +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 tunnels: fix out of bounds access when building IPv6 PMTU error 2024-11-18 12:13:24 +01:00
ipv6 ipv6: Ensure natural alignment of const ipv6 loopback and router addresses 2024-11-18 12:13:22 +01:00
iucv Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
kcm Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
key Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
l2tp Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
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: mesh_plink: fix matches_local logic 2024-11-18 12:11:58 +01:00
mac802154 Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mpls Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mptcp mptcp: fix uninit-value in mptcp_incoming_options 2024-11-18 12:12:12 +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: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations 2024-11-18 12:13:22 +01:00
netlabel calipso: fix memory leak in netlbl_calipso_add_pass() 2024-11-18 12:12:25 +01:00
netlink netlink: fix potential sleeping issue in mqueue_flush_file 2024-11-18 12:13:00 +01:00
netrom Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfc nfc: llcp_core: Hold a ref to llcp_local->dev when holding a ref to llcp_local 2024-11-18 12:12:06 +01:00
nsh Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
openvswitch Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
packet packet: Move reference count in packet_sock to atomic_long_t 2024-11-18 12:11:42 +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 UBSAN: array-index-out-of-bounds in rds_cmsg_recv 2024-11-18 12:13:00 +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_find_service_conn_rcu: fix the usage of read_seqbegin_or_lock() 2024-11-18 12:13:10 +01:00
sched net: sched: em_text: fix possible memory leak in em_text_destroy() 2024-11-18 12:12:06 +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 SUNRPC: Fix a suspicious RCU usage warning 2024-11-18 12:13:10 +01:00
switchdev Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
tipc tipc: Fix kernel-infoleak due to uninitialized TLV value 2024-11-18 11:43:19 +01:00
tls net: tls, update curr on splice as well 2024-11-18 12:12:08 +01:00
unix af_unix: fix lockdep positive in sk_diag_dump_icons() 2024-11-18 12:13:23 +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: fix RCU dereference in __cfg80211_bss_update 2024-11-18 12:13:21 +01:00
x25 Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
xdp Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
xfrm Revert "xfrm: fix a data-race in xfrm_gen_index()" 2024-11-17 19:38:56 +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