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c2780c1a3f
linux/net
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Petr Machata c1f7e02979 net: cls_flower: Remove filter from mask before freeing it 
In fl_change(), when adding a new rule (i.e. fold == NULL), a driver may
reject the new rule, for example due to resource exhaustion. By that
point, the new rule was already assigned a mask, and it was added to
that mask's hash table. The clean-up path that's invoked as a result of
the rejection however neglects to undo the hash table addition, and
proceeds to free the new rule, thus leaving a dangling pointer in the
hash table.

Fix by removing fnew from the mask's hash table before it is freed.

Fixes: 35cc3cefc4 ("net/sched: cls_flower: Reject duplicated rules also under skip_sw")
Signed-off-by: Petr Machata <petrm@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-04 09:19:14 -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 net: core: dev: Add extack argument to dev_change_flags() 2018-12-06 13:26:07 -08:00
appletalk
atm Revert "net: simplify sock_poll_wait" 2018-10-23 10:57:06 -07:00
ax25 ax25: fix possible use-after-free 2019-01-23 11:18:00 -08:00
batman-adv Here are some batman-adv bugfixes: 2019-02-01 10:19:26 -08:00
bluetooth Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2018-12-27 13:53:32 -08:00
bpf Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2018-12-10 18:00:43 -08:00
bpfilter net: bpfilter: change section name of bpfilter UMH blob. 2019-01-16 15:46:46 -08:00
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf 2019-01-28 10:51:51 -08:00
caif Revert "net: simplify sock_poll_wait" 2018-10-23 10:57:06 -07:00
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/bpf/bpf 2019-02-01 15:28:07 -08:00
dcb
dccp dccp: fool proof ccid_hc_[rt]x_parse_options() 2019-02-01 14:49:10 -08:00
decnet decnet: fix DN_IFREQ_SIZE 2019-01-27 23:11:55 -08:00
dns_resolver dns: Allow the dns resolver to retrieve a server set 2018-10-04 09:40:52 -07:00
dsa net: dsa: ksz: Add STP multicast handling 2018-12-16 14:23:33 -08:00
ethernet net: ethernet: provide nvmem_get_mac_address() 2018-12-03 15:40:30 -08:00
hsr
ieee802154 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-12-24 16:19:56 -08:00
ife
ipv4 net: ip_gre: always reports o_key to userspace 2019-01-30 14:00:02 -08:00
ipv6 ipv6: sr: clear IP6CB(skb) on SRH ip4ip6 encapsulation 2019-01-30 14:06:12 -08:00
iucv iucv: Remove SKB list assumptions. 2018-11-10 16:55:11 -08:00
kcm
key af_key: fix indentation on declaration statement 2018-11-15 18:09:32 +01:00
l2tp l2tp: copy 4 more bytes to linear part if necessary 2019-01-31 08:58:46 -08:00
l3mdev l3mdev: add function to retreive upper master 2018-12-03 14:15:26 -08:00
lapb
llc llc: do not use sk_eat_skb() 2018-10-22 19:59:20 -07:00
mac80211 mac80211: ensure that mgmt tx skbs have tailroom for encryption 2019-02-01 11:08:02 +01:00
mac802154
mpls net/mpls: Handle kernel side filtering of route dumps 2018-10-16 00:14:07 -07:00
ncsi net/ncsi: Add NCSI Mellanox OEM command 2018-11-27 16:37:20 -08:00
netfilter netfilter: nfnetlink_osf: add missing fmatch check 2019-01-28 11:09:11 +01:00
netlabel
netlink net: netlink: rename NETLINK_DUMP_STRICT_CHK -> NETLINK_GET_STRICT_CHK 2018-12-14 11:44:31 -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 openvswitch: Avoid OOB read when parsing flow nlattrs 2019-01-16 13:35:21 -08:00
packet af_packet: fix raw sockets over 6in4 tunnel 2019-01-17 15:54:45 -08:00
phonet net: Revert recent Spectre-v1 patches. 2018-12-23 16:01:35 -08:00
psample
qrtr
rds rds: fix refcount bug in rds_sock_addref 2019-01-31 09:43:27 -08:00
rfkill rfkill: gpio: Remove unused include 2018-12-18 13:13:56 +01:00
rose net/rose: fix NULL ax25_cb kernel panic 2019-01-27 10:40:01 -08:00
rxrpc Revert "rxrpc: Allow failed client calls to be retried" 2019-01-15 21:33:36 -08:00
sched net: cls_flower: Remove filter from mask before freeing it 2019-02-04 09:19:14 -08:00
sctp sctp: check and update stream->out_curr when allocating stream_out 2019-02-03 14:27:47 -08:00
smc net/smc: correct state change for peer closing 2019-02-04 09:11:19 -08:00
strparser bpf, sockmap: convert to generic sk_msg interface 2018-10-15 12:23:19 -07:00
sunrpc SUNRPC: Address Kerberos performance/behavior regression 2019-01-15 15:36:41 -05:00
switchdev net: switchdev: Add extack to switchdev_handle_port_obj_add() callback 2018-12-12 16:34:22 -08:00
tipc tipc: fix uninit-value in tipc_nl_compat_doit 2019-01-15 20:29:21 -08:00
tls net: tls: Fix deadlock in free_resources tx 2019-01-28 23:07:08 -08:00
unix Revert "net: simplify sock_poll_wait" 2018-10-23 10:57:06 -07:00
vmw_vsock vsock/virtio: reset connected sockets on device removal 2019-02-03 11:06:25 -08:00
wimax
wireless cfg80211: call disconnect_wk when AP stops 2019-02-01 11:12:50 +01:00
x25 net/x25: handle call collisions 2018-11-29 14:25:36 -08:00
xdp xsk: Check if a queue exists during umem setup 2019-01-15 20:51:57 +01:00
xfrm xfrm: Make set-mark default behavior backward compatible 2019-01-16 13:10:55 +01:00
compat.c Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
Kconfig net: convert bridge_nf to use skb extension infrastructure 2018-12-19 11:21:37 -08:00
Makefile
socket.c net: socket: make bond ioctls go through compat_ifreq_ioctl() 2019-01-30 10:19:31 -08:00
sysctl_net.c