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51dcb69de6
linux/net
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Cong Wang 51dcb69de6 net_sched: fix a memory leak in cls_tcindex 
(cherry picked from commit 033b228e7f)

When tcindex_destroy() destroys all the filter results in
the perfect hash table, it invokes the walker to delete
each of them. However, results with class==0 are skipped
in either tcindex_walk() or tcindex_delete(), which causes
a memory leak reported by kmemleak.

This patch fixes it by skipping the walker and directly
deleting these filter results so we don't miss any filter
result.

As a result of this change, we have to initialize exts->net
properly in tcindex_alloc_perfect_hash(). For net-next, we
need to consider whether we should initialize ->net in
tcf_exts_init() instead, before that just directly test
CONFIG_NET_CLS_ACT=y.

Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-20 20:11:10 -08:00
..
6lowpan 6lowpan: convert to DEFINE_SHOW_ATTRIBUTE 2018-12-19 00:28:05 +01:00
9p 9p/net: put a lower bound on msize 2018-12-25 17:07:49 +09:00
802
8021q
appletalk
atm atm: clean up vcc_seq_next() 2019-02-16 18:12:22 -08:00
ax25 ax25: fix possible use-after-free 2019-01-23 11:18:00 -08:00
batman-adv Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-02-15 12:38:38 -08:00
bluetooth socket: Use old_timeval types for socket timestamps 2019-02-03 11:17:30 -08:00
bpf bpf: add BPF_PROG_TEST_RUN support for flow dissector 2019-01-29 01:08:29 +01:00
bpfilter bpfilter: remove extra header search paths for bpfilter_umh 2019-02-03 20:11:43 -08:00
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2019-02-18 11:38:30 -08:00
caif net: caif: use skb helpers instead of open-coding them 2019-02-17 11:01:17 -08:00
can can: bcm: check timer values before ktime conversion 2019-01-22 11:33:46 +01:00
ceph libceph: avoid KEEPALIVE_PENDING races in ceph_con_keepalive() 2019-01-21 14:53:12 +01:00
core Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-02-20 00:34:07 -08:00
dcb
dccp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-02-08 15:00:17 -08:00
decnet Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-01-29 21:18:54 -08:00
dns_resolver
dsa net: dsa: Implement flow_dissect callback for tag_dsa. 2019-02-18 16:35:41 -08:00
ethernet
hsr
ieee802154 6lowpan: use rbtree for IP frag queue 2019-02-19 10:38:01 +01:00
ife
ipv4 gso: validate gso_type on ipip style tunnels 2019-02-20 11:24:27 -08:00
ipv6 gso: validate gso_type on ipip style tunnels 2019-02-20 11:24:27 -08:00
iucv
kcm
key
l2tp l2tp: copy 4 more bytes to linear part if necessary 2019-01-31 08:58:46 -08:00
l3mdev
lapb
llc
mac80211 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-02-20 00:34:07 -08:00
mac802154
mpls mpls_iptunnel: use struct_size() helper 2019-02-08 22:57:27 -08:00
ncsi
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-02-20 00:34:07 -08:00
netlabel
netlink net: netlink: add helper to retrieve NETLINK_F_STRICT_CHK 2019-01-19 10:09:58 -08:00
netrom netrom: switch to sock timer API 2019-01-27 10:38:04 -08:00
nfc net: Revert recent Spectre-v1 patches. 2018-12-23 16:01:35 -08:00
nsh
openvswitch Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2019-01-28 17:34:38 -08:00
packet net/packet: fix 4gb buffer limit due to overflow check 2019-02-12 13:37:23 -05:00
phonet net: Revert recent Spectre-v1 patches. 2018-12-23 16:01:35 -08:00
psample
qrtr
rds Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-02-08 15:00:17 -08:00
rfkill rfkill: gpio: Remove unused include 2018-12-18 13:13:56 +01:00
rose net: rose: add missing dev_put() on error in rose_bind 2019-02-19 13:22:46 -08:00
rxrpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-02-08 15:00:17 -08:00
sched net_sched: fix a memory leak in cls_tcindex 2019-02-20 20:11:10 -08:00
sctp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-02-15 12:38:38 -08:00
smc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-02-15 12:38:38 -08:00
strparser
sunrpc Two small fixes, one for crashes using nfs/krb5 with older enctypes, one 2019-02-16 17:38:01 -08:00
switchdev net: Get rid of SWITCHDEV_ATTR_ID_PORT_PARENT_ID 2019-02-06 14:17:03 -08:00
tipc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-02-15 12:38:38 -08:00
tls net/tls: Move protocol constants from cipher context to tls context 2019-02-19 10:40:36 -08:00
unix
vmw_vsock Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-02-15 12:38:38 -08:00
wimax
wireless Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-02-15 12:38:38 -08:00
x25 net/x25: do not hold the cpu too long in x25_new_lci() 2019-02-11 13:20:14 -08:00
xdp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-02-20 00:34:07 -08:00
xfrm xfrm: Make set-mark default behavior backward compatible 2019-01-16 13:10:55 +01:00
compat.c socket: Use old_timeval types for socket timestamps 2019-02-03 11:17:30 -08:00
Kconfig bpf: make LWTUNNEL_BPF dependent on INET 2019-02-16 01:06:30 +01:00
Makefile
socket.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-02-08 15:00:17 -08:00
sysctl_net.c