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Eric Dumazet a47e598fbd dccp: fix data-race around dp->dccps_mss_cache 
dccp_sendmsg() reads dp->dccps_mss_cache before locking the socket.
Same thing in do_dccp_getsockopt().

Add READ_ONCE()/WRITE_ONCE() annotations,
and change dccp_sendmsg() to check again dccps_mss_cache
after socket is locked.

Fixes: 7c657876b63c ("[DCCP]: Initial implementation")
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20230803163021.2958262-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-04 18:27:58 -07:00
..
6lowpan
6lowpan: Remove redundant initialisation.
2023-03-29 08:22:52 +01:00
9p
9p: remove dead stores (variable set again without being read)
2023-07-20 19:14:50 +00:00
802
…
8021q
vlan: fix a potential uninit-value in vlan_dev_hard_start_xmit()
2023-05-17 12:55:39 +01:00
appletalk
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
atm
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
ax25
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
batman-adv
batman-adv: Broken sync while rescheduling delayed work
2023-05-26 23:14:49 +02:00
bluetooth
Bluetooth: MGMT: Use correct address for memcpy()
2023-07-20 11:27:22 -07:00
bpf
bpf: Move kernel test kfuncs to bpf_testmod
2023-05-16 22:09:24 -07:00
bpfilter
net: Use umd_cleanup_helper()
2023-05-31 13:06:57 +02:00
bridge
Revert "bridge: Add extack warning when enabling STP in netns."
2023-07-20 10:46:28 +02:00
caif
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
can
net: annotate data-races around sk->sk_mark
2023-07-29 18:13:41 +01:00
ceph
rbd: harden get_lock_owner_info() a bit
2023-07-26 15:08:09 +02:00
core
pull-request: bpf 2023-08-03
2023-08-03 11:22:53 -07:00
dcb
net: dcb: choose correct policy to parse DCB_ATTR_BCN
2023-08-01 21:07:46 -07:00
dccp
dccp: fix data-race around dp->dccps_mss_cache
2023-08-04 18:27:58 -07:00
devlink
devlink: report devlink_port_type_warn source device
2023-06-17 00:31:14 -07:00
dns_resolver
…
dsa
net: dsa: fix older DSA drivers using phylink
2023-07-27 17:19:46 -07:00
ethernet
…
ethtool
net: create device lookup API with reference tracking
2023-06-15 08:21:11 +01:00
handshake
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2023-06-15 22:19:41 -07:00
hsr
net: hsr: Disable promiscuous mode in offload mode
2023-06-21 16:47:05 -07:00
ieee802154
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
ife
…
ipv4
tunnels: fix kasan splat when generating ipv4 pmtu error
2023-08-04 18:24:52 -07:00
ipv6
ip6mr: Fix skb_under_panic in ip6mr_cache_report()
2023-08-02 10:35:21 +01:00
iucv
net/iucv: Fix size of interrupt data
2023-03-16 17:34:40 -07:00
kcm
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
key
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
l2tp
net: annotate data-races around sk->sk_mark
2023-07-29 18:13:41 +01:00
l3mdev
…
lapb
…
llc
llc: Don't drop packet from non-root netns.
2023-07-20 10:46:28 +02:00
mac80211
- New Drivers
2023-07-03 11:26:05 -07:00
mac802154
Core WPAN changes:
2023-06-24 15:41:46 -07:00
mctp
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
mpls
net: move gso declarations and functions to their own files
2023-06-10 00:11:41 -07:00
mptcp
mptcp: fix disconnect vs accept race
2023-08-04 18:26:27 -07:00
ncsi
net/ncsi: change from ndo_set_mac_address to dev_set_mac_address
2023-06-09 10:32:51 +01:00
netfilter
net: annotate data-races around sk->sk_mark
2023-07-29 18:13:41 +01:00
netlabel
netlabel: Reorder fields in 'struct netlbl_domaddr6_map'
2023-06-20 20:06:56 -07:00
netlink
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2023-06-27 09:45:22 -07:00
netrom
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
nfc
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2023-06-27 09:45:22 -07:00
nsh
net: move gso declarations and functions to their own files
2023-06-10 00:11:41 -07:00
openvswitch
net: openvswitch: add support for l4 symmetric hashing
2023-06-12 09:46:30 +01:00
packet
net/packet: annotate data-races around tp->status
2023-08-04 18:03:16 -07:00
phonet
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
psample
…
qrtr
Networking changes for 6.5.
2023-06-28 16:43:10 -07:00
rds
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
rfkill
net: rfkill-gpio: Add explicit include for of.h
2023-04-06 20:36:27 +02:00
rose
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
rxrpc
Networking changes for 6.5.
2023-06-28 16:43:10 -07:00
sched
net/sched: cls_route: No longer copy tcf_result on update to avoid use-after-free
2023-07-31 20:10:37 -07:00
sctp
sctp: fix potential deadlock on &net->sctp.addr_wq_lock
2023-06-29 11:49:42 +02:00
smc
net: annotate data-races around sk->sk_mark
2023-07-29 18:13:41 +01:00
strparser
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sunrpc
NFS client updates for Linux 6.5
2023-07-01 14:38:25 -07:00
switchdev
…
tipc
tipc: stop tipc crypto on failure in tipc_node_create
2023-07-27 11:45:05 +02:00
tls
net: Kill MSG_SENDPAGE_NOTLAST
2023-06-24 15:50:13 -07:00
unix
net: add missing data-race annotations around sk->sk_peek_off
2023-07-29 18:13:41 +01:00
vmw_vsock
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
wireless
wifi: cfg80211: Fix return value in scan logic
2023-07-26 10:08:07 +03:00
x25
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
xdp
net: annotate data-races around sk->sk_mark
2023-07-29 18:13:41 +01:00
xfrm
net: annotate data-races around sk->sk_mark
2023-07-29 18:13:41 +01:00
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/core: Enable socket busy polling on -RT
2023-05-26 08:51:26 +01:00
Kconfig.debug
…
Makefile
net/handshake: Create a NETLINK service for handling handshake requests
2023-04-19 18:48:48 -07:00
socket.c
Networking changes for 6.5.
2023-06-28 16:43:10 -07:00
sysctl_net.c
…