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84eef2b218
linux/net
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Ka-Cheong Poon 84eef2b218 rds: Incorrect reference counting in TCP socket creation 
Commit 0933a578cd ("rds: tcp: use sock_create_lite() to create the
accept socket") has a reference counting issue in TCP socket creation
when accepting a new connection.  The code uses sock_create_lite() to
create a kernel socket.  But it does not do __module_get() on the
socket owner.  When the connection is shutdown and sock_release() is
called to free the socket, the owner's reference count is decremented
and becomes incorrect.  Note that this bug only shows up when the socket
owner is configured as a kernel module.

v2: Update comments

Fixes: 0933a578cd ("rds: tcp: use sock_create_lite() to create the accept socket")
Signed-off-by: Ka-Cheong Poon <ka-cheong.poon@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Acked-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-02 09:40:27 -05:00
..
6lowpan
9p virtio: bugfixes 2018-02-15 14:29:27 -08:00
802
8021q net: delete /proc THIS_MODULE references 2018-01-16 15:01:33 -05:00
appletalk net: delete /proc THIS_MODULE references 2018-01-16 15:01:33 -05:00
atm vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
ax25 net: delete /proc THIS_MODULE references 2018-01-16 15:01:33 -05:00
batman-adv vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
bluetooth vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
bpf bpf: fix null pointer deref in bpf_prog_test_run_xdp 2018-02-01 07:43:56 -08:00
bridge bridge: Fix VLAN reference count problem 2018-02-26 15:15:53 -05:00
caif vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
can can: migrate documentation to restructured text 2018-01-26 10:46:44 +01:00
ceph libceph: check kstrndup() return value 2018-01-29 18:36:12 +01:00
core net: ethtool: don't ignore return from driver get_fecparam method 2018-03-01 21:41:06 -05:00
dcb
dccp vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
decnet dn_getsockoptdecnet: move nf_{get/set}sockopt outside sock lock 2018-02-16 15:46:15 -05:00
dns_resolver afs: Support the AFS dynamic root 2018-02-06 14:43:37 +00:00
dsa net: dsa: Support internal phy on 'cpu' port 2018-01-23 19:22:38 -05:00
ethernet
hsr
ieee802154
ife
ipv4 vrf: check forwarding on the original netdevice when generating ICMP dest unreachable 2018-03-01 21:40:22 -05:00
ipv6 sit: fix IFLA_MTU ignored on NEWLINK 2018-02-27 14:36:28 -05:00
iucv vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
kcm vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
key af_key: Fix memory leak in key_notify_policy. 2018-01-10 09:45:11 +01:00
l2tp l2tp: fix tunnel lookup use-after-free race 2018-02-26 12:20:37 -05:00
l3mdev
lapb
llc net: delete /proc THIS_MODULE references 2018-01-16 15:01:33 -05:00
mac80211 Various fixes across the tree, the shortlog basically says it all: 2018-02-22 15:17:01 -05:00
mac802154
mpls mpls, nospec: Sanitize array index in mpls_label_ok() 2018-02-08 15:24:12 -05:00
ncsi net/ncsi: Don't take any action on HNCDSC AEN 2017-12-18 14:50:11 -05:00
netfilter netfilter: IDLETIMER: be syzkaller friendly 2018-02-19 18:28:59 +01:00
netlabel
netlink netlink: put module reference if dump start fails 2018-02-22 14:01:38 -05:00
netrom net: delete /proc THIS_MODULE references 2018-01-16 15:01:33 -05:00
nfc NFC: llcp: Limit size of SDP URI 2018-02-16 15:16:05 -05:00
nsh
openvswitch openvswitch: Remove padding from packet before L3+ conntrack processing 2018-02-01 09:46:22 -05:00
packet vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
phonet vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
psample
qrtr qrtr: add MODULE_ALIAS macro to smd 2018-02-26 15:07:04 -05:00
rds rds: Incorrect reference counting in TCP socket creation 2018-03-02 09:40:27 -05:00
rfkill vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
rose net: delete /proc THIS_MODULE references 2018-01-16 15:01:33 -05:00
rxrpc rxrpc: Fix send in rxrpc_send_data_packet() 2018-02-22 15:37:47 -05:00
sched net: sched: report if filter is too large to dump 2018-02-20 21:57:17 -05:00
sctp sctp: remove the left unnecessary check for chunk in sctp_renege_events 2018-02-16 16:32:37 -05:00
smc net/smc: fix NULL pointer dereference on sock_create_kern() error path 2018-02-28 12:30:25 -05:00
strparser strparser: Call sock_owned_by_user_nocheck 2017-12-28 14:28:22 -05:00
sunrpc vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
switchdev
tipc tipc: correct initial value for group congestion flag 2018-02-27 11:46:03 -05:00
tls tls: Use correct sk->sk_prot for IPV6 2018-02-27 14:41:48 -05:00
unix net: af_unix: fix typo in UNIX_SKB_FRAGS_SZ comment 2018-02-13 12:21:45 -05:00
vmw_vsock vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
wimax
wireless Various fixes across the tree, the shortlog basically says it all: 2018-02-22 15:17:01 -05:00
x25
xfrm Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2018-01-26 10:22:53 -05:00
compat.c
Kconfig Staging/IIO patches for 4.16-rc1 2018-02-01 09:51:57 -08:00
Makefile ipx: move Novell IPX protocol support into staging 2017-11-28 13:55:00 +01:00
socket.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2018-01-31 14:31:10 -08:00
sysctl_net.c