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dc6456e938
linux/net
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Antoine Tenart dc6456e938 net: ipv6: fix skb hash for some RST packets 
The skb hash comes from sk->sk_txhash when using TCP, except for some
IPv6 RST packets. This is because in tcp_v6_send_reset when not in
TIME_WAIT the hash is taken from sk->sk_hash, while it should come from
sk->sk_txhash as those two hashes are not computed the same way.

Packetdrill script to test the above,

   0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3
  +0 fcntl(3, F_SETFL, O_RDWR|O_NONBLOCK) = 0
  +0 connect(3, ..., ...) = -1 EINPROGRESS (Operation now in progress)

  +0 > (flowlabel 0x1) S 0:0(0) <...>

  // Wrong ack seq, trigger a rst.
  +0 < S. 0:0(0) ack 0 win 4000

  // Check the flowlabel matches prior one from SYN.
  +0 > (flowlabel 0x1) R 0:0(0) <...>

Fixes: 9258b8b1be ("ipv6: tcp: send consistent autoflowlabel in RST packets")
Signed-off-by: Antoine Tenart <atenart@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-04-28 09:53:43 +01:00
..
6lowpan 6lowpan: Remove redundant initialisation. 2023-03-29 08:22:52 +01:00
9p 9p/xen : Fix use after free bug in xen_9pfs_front_remove due to race condition 2023-04-02 01:00:31 +00:00
802
8021q vlan: Add MACsec offload operations for VLAN interface 2023-04-21 08:22:14 +01:00
appletalk
atm Networking changes for 6.4. 2023-04-26 16:07:23 -07:00
ax25
batman-adv net: vlan: introduce skb_vlan_eth_hdr() 2023-04-23 14:16:44 +01:00
bluetooth Bluetooth: hci_sync: Only allow hci_cmd_sync_queue if running 2023-04-23 22:07:43 -07:00
bpf bpf: add test_run support for netfilter program type 2023-04-21 11:34:50 -07:00
bpfilter
bridge bridge: Allow setting per-{Port, VLAN} neighbor suppression state 2023-04-21 08:25:50 +01:00
caif net: caif: Fix use-after-free in cfusbl_device_notify() 2023-03-02 22:22:07 -08:00
can Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-04-06 12:01:20 -07:00
ceph Networking changes for 6.3. 2023-02-21 18:24:12 -08:00
core tcp: fix skb_copy_ubufs() vs BIG TCP 2023-04-28 09:40:38 +01:00
dcb net: dcb: add helper functions to retrieve PCP and DSCP rewrite maps 2023-01-20 09:33:22 +00:00
dccp netfilter: keep conntrack reference until IPsecv6 policy checks are done 2023-03-22 21:50:23 +01:00
devlink devlink: drop leftover duplicate/unused code 2023-02-20 11:38:35 +00:00
dns_resolver
dsa net: dsa: tag_ocelot: call only the relevant portion of __skb_vlan_pop() on TX 2023-04-23 14:16:45 +01:00
ethernet
ethtool net: ethtool: coalesce: try to make user settings stick twice 2023-04-24 18:09:49 -07:00
handshake net/handshake: Fix section mismatch in handshake_exit 2023-04-21 20:24:57 -07:00
hsr hsr: ratelimit only when errors are printed 2023-03-16 21:11:03 -07:00
ieee802154 net: ieee802154: remove an unnecessary null pointer check 2023-03-17 09:13:53 +01:00
ife
ipv4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-04-26 10:17:46 +02:00
ipv6 net: ipv6: fix skb hash for some RST packets 2023-04-28 09:53:43 +01:00
iucv net/iucv: Fix size of interrupt data 2023-03-16 17:34:40 -07:00
kcm net/sock: Introduce trace_sk_data_ready() 2023-01-23 11:26:50 +00:00
key af_key: Fix heap information leak 2023-02-13 09:30:14 +00:00
l2tp l2tp: generate correct module alias strings 2023-03-31 09:25:12 +01:00
l3mdev
lapb
llc
mac80211 wireless-next patches for v6.4 2023-04-21 07:35:51 -07:00
mac802154 mac802154: Rename kfree_rcu() to kvfree_rcu_mightsleep() 2023-04-05 13:48:04 +00:00
mctp mctp: remove MODULE_LICENSE in non-modules 2023-03-09 23:06:21 -08:00
mpls net: mpls: fix stale pointer if allocation fails during device rename 2023-02-15 10:26:37 +00:00
mptcp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-04-20 16:29:51 -07:00
ncsi net/ncsi: clear Tx enable mode when handling a Config required AEN 2023-04-28 09:35:33 +01:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-04-26 10:17:46 +02:00
netlabel
netlink Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-04-26 10:17:46 +02:00
netrom netrom: Fix use-after-free caused by accept on already connected socket 2023-01-30 07:30:47 +00:00
nfc nfc: change order inside nfc_se_io error path 2023-03-07 13:37:05 -08:00
nsh
openvswitch net: openvswitch: fix race on port output 2023-04-07 19:42:53 -07:00
packet net/packet: support mergeable feature of virtio 2023-04-21 12:01:58 +01:00
phonet net/sock: Introduce trace_sk_data_ready() 2023-01-23 11:26:50 +00:00
psample
qrtr net: qrtr: Fix an uninit variable access bug in qrtr_tx_resume() 2023-04-13 09:35:30 +02:00
rds rds: rds_rm_zerocopy_callback() correct order for list_add_tail() 2023-02-13 09:33:39 +00:00
rfkill net: rfkill-gpio: Add explicit include for of.h 2023-04-06 20:36:27 +02:00
rose net/rose: Fix to not accept on connected socket 2023-01-28 00:19:57 -08:00
rxrpc rxrpc: Fix potential data race in rxrpc_wait_to_be_connected() 2023-04-27 09:17:41 +02:00
sched net/sched: cls_api: remove block_cb from driver_list before freeing 2023-04-28 09:44:19 +01:00
sctp sctp: delete the nested flexible array hmac 2023-04-21 08:19:30 +01:00
smc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-04-13 16:04:28 -07:00
strparser
sunrpc nfsd-6.3 fixes: 2023-04-19 07:29:33 -07:00
switchdev
tipc Networking changes for 6.3. 2023-02-21 18:24:12 -08:00
tls net: tls: fix device-offloaded sendpage straddling records 2023-03-06 13:26:16 -08:00
unix af_unix: annotate lockless accesses to sk->sk_err 2023-03-17 08:25:05 +00:00
vmw_vsock vsock/loopback: don't disable irqs for queue access 2023-04-14 11:04:04 +01:00
wireless Merge wireless/main into wireless-next/main 2023-03-31 11:07:40 +02:00
x25 net/x25: Fix to not accept on connected socket 2023-01-25 09:51:04 +00:00
xdp bpf-next-for-netdev 2023-04-13 16:43:38 -07:00
xfrm ipsec-next-2023-04-19 2023-04-19 18:46:17 -07:00
compat.c net/compat: Update msg_control_is_user when setting a kernel pointer 2023-04-14 11:09:27 +01:00
devres.c
Kconfig net/handshake: Add Kunit tests for the handshake consumer API 2023-04-19 18:48:48 -07:00
Kconfig.debug
Makefile net/handshake: Create a NETLINK service for handling handshake requests 2023-04-19 18:48:48 -07:00
socket.c net: skbuff: hide wifi_acked when CONFIG_WIRELESS not set 2023-04-19 13:04:30 +01:00
sysctl_net.c