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Cong Wang e41f054847 tipc: use the right skb in tipc_sk_fill_sock_diag() 
Commit 4b2e6877b8 ("tipc: Fix namespace violation in tipc_sk_fill_sock_diag")
tried to fix the crash but failed, the crash is still 100% reproducible
with it.

In tipc_sk_fill_sock_diag(), skb is the diag dump we are filling, it is not
correct to retrieve its NETLINK_CB(), instead, like other protocol diag,
we should use NETLINK_CB(cb->skb).sk here.

Reported-by: <syzbot+326e587eff1074657718@syzkaller.appspotmail.com>
Fixes: 4b2e6877b8 ("tipc: Fix namespace violation in tipc_sk_fill_sock_diag")
Fixes: c30b70deb5 (tipc: implement socket diagnostics for AF_TIPC)
Cc: GhantaKrishnamurthy MohanKrishna <mohan.krishna.ghanta.krishnamurthy@ericsson.com>
Cc: Jon Maloy <jon.maloy@ericsson.com>
Cc: Ying Xue <ying.xue@windriver.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2018-04-08 12:34:29 -04:00
..
6lowpan License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
9p virtio: bugfixes 2018-02-15 14:29:27 -08:00
802 treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
8021q vlan: also check phy_driver ts_info for vlan's real device 2018-04-01 20:53:50 -04:00
appletalk net: Use octal not symbolic permissions 2018-03-26 12:07:48 -04:00
atm net: Use octal not symbolic permissions 2018-03-26 12:07:48 -04:00
ax25 net: Use octal not symbolic permissions 2018-03-26 12:07:48 -04:00
batman-adv Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-04-01 19:49:34 -04:00
bluetooth Bluetooth: Mark expected switch fall-throughs 2018-04-01 21:43:03 +03:00
bpf bpf: fix null pointer deref in bpf_prog_test_run_xdp 2018-02-01 07:43:56 -08:00
bridge net: bridge: disable bridge MTU auto tuning if it was set manually 2018-03-31 22:19:00 -04:00
caif net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
can net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
ceph net: Use octal not symbolic permissions 2018-03-26 12:07:48 -04:00
core net: fix uninit-value in __hw_addr_add_ex() 2018-04-07 22:32:31 -04:00
dcb
…
dccp dccp: initialize ireq->ir_mark 2018-04-07 22:32:31 -04:00
decnet net: Use octal not symbolic permissions 2018-03-26 12:07:48 -04:00
dns_resolver net: Use octal not symbolic permissions 2018-03-26 12:07:48 -04:00
dsa net: dsa: Discard frames from unused ports 2018-04-08 10:34:49 -04:00
ethernet
…
hsr net: hsr: Convert timers to use timer_setup() 2017-10-25 13:00:27 +09:00
ieee802154 inet: frags: fix ip6frag_low_thresh boundary 2018-04-04 12:04:59 -04:00
ife MAINTAINERS: Update Yotam's E-mail 2017-11-01 12:19:03 +09:00
ipv4 soreuseport: initialise timewait reuseport field 2018-04-07 22:32:32 -04:00
ipv6 net/ipv6: Increment OUTxxx counters after netfilter hook 2018-04-05 22:23:43 -04:00
iucv Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-03-23 11:31:58 -04:00
kcm net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
key net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
l2tp net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
l3mdev
…
lapb treewide: Remove TIMER_FUNC_TYPE and TIMER_DATA_TYPE casts 2017-11-21 16:35:54 -08:00
llc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-04-01 19:49:34 -04:00
mac80211 We have a fair number of patches, but many of them are from the 2018-03-29 16:23:26 -04:00
mac802154 net/mac802154: disambiguate mac80215 vs mac802154 trace events 2018-03-28 22:55:18 +02:00
mpls net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
ncsi net/ncsi: check for null return from call to nla_nest_start 2018-03-27 10:38:26 -04:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-04-01 19:49:34 -04:00
netlabel net/netlabel: Add list_next_rcu() in rcu_dereference(). 2017-11-18 10:32:41 +09:00
netlink netlink: fix uninit-value in netlink_sendmsg 2018-04-07 22:32:31 -04:00
netrom net: Use octal not symbolic permissions 2018-03-26 12:07:48 -04:00
nfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-02-19 18:46:11 -05:00
nsh openvswitch: enable NSH support 2017-11-08 16:12:33 +09:00
openvswitch ovs: Remove rtnl_lock() from ovs_exit_net() 2018-03-29 13:47:54 -04:00
packet net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
phonet net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
psample MAINTAINERS: Update Yotam's E-mail 2017-11-01 12:19:03 +09:00
qrtr Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-03-06 01:20:46 -05:00
rds net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
rfkill vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
rose net: Use octal not symbolic permissions 2018-03-26 12:07:48 -04:00
rxrpc rxrpc: Fix undefined packet handling 2018-04-04 11:04:08 -04:00
sched net_sched: fix a missing idr_remove() in u32_delete_key() 2018-04-07 12:36:45 -04:00
sctp sctp: sctp_sockaddr_af must check minimal addr length for AF_INET6 2018-04-08 12:29:41 -04:00
smc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-04-01 19:49:34 -04:00
strparser strparser: Fix sign of err codes 2018-03-27 11:00:18 -04:00
sunrpc net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
switchdev net: bridge: Add/del switchdev object on host join/leave 2017-11-10 13:41:40 +09:00
tipc tipc: use the right skb in tipc_sk_fill_sock_diag() 2018-04-08 12:34:29 -04:00
tls tls: support for Inline tls record 2018-03-31 23:37:32 -04:00
unix af_unix: remove redundant lockdep class 2018-04-04 11:13:40 -04:00
vmw_vsock net: make getname() functions return length rather than use int* parameter 2018-02-12 14:15:04 -05:00
wimax License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
wireless Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2018-03-31 23:33:04 -04:00
x25 net: Use octal not symbolic permissions 2018-03-26 12:07:48 -04:00
xfrm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-04-01 19:49:34 -04:00
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
compat.c net: socket: add __compat_sys_...msg() helpers; remove in-kernel calls to compat syscalls 2018-04-02 20:15:20 +02:00
socket.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2018-04-03 14:04:18 -07:00
sysctl_net.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00