David Ahern 64c6f4bbca neighbor: Reset gc_entries counter if new entry is released before insert ... Ian and Alan both reported seeing overflows after upgrades to 5.x kernels: neighbour: arp_cache: neighbor table overflow! Alan's mpls script helped get to the bottom of this bug. When a new entry is created the gc_entries counter is bumped in neigh_alloc to check if a new one is allowed to be created. ___neigh_create then searches for an existing entry before inserting the just allocated one. If an entry already exists, the new one is dropped in favor of the existing one. In this case the cleanup path needs to drop the gc_entries counter. There is no memory leak, only a counter leak. Fixes: 58956317c8 ("neighbor: Improve garbage collection") Reported-by: Ian Kumlien <ian.kumlien@gmail.com> Reported-by: Alan Maguire <alan.maguire@oracle.com> Signed-off-by: David Ahern <dsahern@gmail.com> Tested-by: Alan Maguire <alan.maguire@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2019-05-04 00:36:19 -04:00
..
6lowpan	6lowpan: fix debugfs_simple_attr.cocci warnings	2019-01-22 09:51:19 +01:00
9p	9p/net: fix memory leak in p9_client_create	2019-03-13 11:50:04 +01:00
802
8021q	vlan: conditional inclusion of FCoE hooks to match netdevice.h and bnx2x	2019-04-04 17:18:34 -07:00
appletalk	appletalk: Set error code if register_snap_client failed	2019-04-30 11:09:28 -04:00
atm	net: atm: Fix potential Spectre v1 vulnerabilities	2019-04-16 21:01:45 -07:00
ax25	ax25: fix possible use-after-free	2019-01-23 11:18:00 -08:00
batman-adv	batman-adv: Fix genl notification for throughput_override	2019-03-25 09:31:19 +01:00
bluetooth	Bluetooth: Check address length before reading address field	2019-04-12 10:25:03 -07:00
bpf	bpf: fix warning about using plain integer as NULL	2019-03-08 21:17:07 +01:00
bpfilter	bpfilter: re-add header search paths to tools include to fix build error	2019-02-23 13:34:40 -08:00
bridge	Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf	2019-04-22 21:23:55 -07:00
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: fix breakage caused by multipage bvecs	2019-03-25 22:28:07 +01:00
core	neighbor: Reset gc_entries counter if new entry is released before insert	2019-05-04 00:36:19 -04:00
dcb
dccp	dccp: Fix memleak in __feat_register_sp	2019-04-01 18:15:10 -07:00
decnet	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	2019-01-29 21:18:54 -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: Implement flow_dissect callback for tag_qca	2019-03-28 16:57:19 -07:00
ethernet	net/ethernet: Add parse_protocol header_ops support	2019-02-22 12:55:31 -08:00
hsr	net/hsr: fix possible crash in add_timer()	2019-03-07 11:02:08 -08:00
ieee802154	net: remove unused struct inet_frag_queue.fragments field	2019-02-26 08:27:05 -08:00
ife
ipv4	udp: fix GRO packet of death	2019-05-01 22:29:56 -04:00
ipv6	ipv6: A few fixes on dereferencing rt->from	2019-05-01 17:17:54 -04:00
iucv	iucv: Remove SKB list assumptions.	2018-11-10 16:55:11 -08:00
kcm	kcm: switch order of device registration to fix a crash	2019-04-01 14:59:20 -07:00
key	xfrm: clean up xfrm protocol checks	2019-03-26 08:35:36 +01:00
l2tp	l2ip: fix possible use-after-free	2019-04-30 11:35:48 -04:00
l3mdev	l3mdev: add function to retreive upper master	2018-12-03 14:15:26 -08:00
lapb
llc	llc: Check address length before reading address field	2019-04-12 10:25:03 -07:00
mac80211	mac80211: don't attempt to rename ERR_PTR() debugfs dirs	2019-04-23 13:47:05 +02:00
mac802154	mac802154: Remove VLA usage of skcipher	2018-09-28 12:46:07 +08:00
mpls	mpls: Fix 6PE forwarding	2019-03-19 16:00:22 -07:00
ncsi	net/ncsi: handle overflow when incrementing mac address	2019-04-23 21:15:15 -07:00
netfilter	netfilter: fix nf_l4proto_log_invalid to log invalid packets	2019-04-22 10:38:50 +02:00
netlabel	netlabel: fix out-of-bounds memory accesses	2019-02-27 21:45:24 -08:00
netlink	genetlink: use idr_alloc_cyclic for family->id assignment	2019-04-26 11:59:58 -04:00
netrom	net: netrom: Fix error cleanup path of nr_proto_init	2019-04-11 13:59:49 -07:00
nfc	NFC: nci: Add some bounds checking in nci_hci_cmd_received()	2019-04-06 15:05:07 -07:00
nsh
openvswitch	openvswitch: fix flow actions reallocation	2019-03-28 17:15:44 -07:00
packet	packet: validate msg_namelen in send directly	2019-05-01 11:28:35 -04:00
phonet	phonet: fix building with clang	2019-02-21 16:23:56 -08:00
psample
qrtr	mm: replace all open encodings for NUMA_NO_NODE	2019-03-05 21:07:14 -08:00
rds	rds: ib: force endiannes annotation	2019-05-01 17:15:36 -04:00
rfkill	rfkill: gpio: Remove unused include	2018-12-18 13:13:56 +01:00
rose	net/rose: fix unbound loop in rose_loopback_timer()	2019-04-24 14:39:26 -07:00
rxrpc	rxrpc: Fix net namespace cleanup	2019-04-30 10:50:50 -04:00
sched	sch_cake: Make sure we can write the IP header before changing DSCP bits	2019-04-04 10:55:59 -07:00
sctp	sctp: avoid running the sctp state machine recursively	2019-05-01 09:18:57 -04:00
smc	net/smc: move unhash before release of clcsock	2019-04-11 11:04:08 -07:00
strparser	net: strparser: partially revert "strparser: Call skb_unclone conditionally"	2019-04-10 13:07:02 -07:00
sunrpc	Fix miscellaneous nfsd bugs, in NFSv4.1 callbacks, NFSv4.1	2019-04-23 13:40:55 -07:00
switchdev	switchdev: Remove unused transaction item queue	2019-03-01 21:35:19 -08:00
tipc	tipc: set sysctl_tipc_rmem and named_timeout right range	2019-04-16 21:32:02 -07:00
tls	net/tls: avoid NULL pointer deref on nskb->sk in fallback	2019-05-01 11:37:56 -04:00
unix	io_uring-2019-03-06	2019-03-08 14:48:40 -08:00
vmw_vsock	vsock/virtio: fix kernel panic from virtio_transport_reset_no_sock	2019-03-08 15:15:44 -08:00
wimax
wireless	cfg80211: Notify previous user request during self managed wiphy registration	2019-04-23 13:45:30 +02:00
x25	net/x25: reset state in x25_connect()	2019-03-11 15:40:14 -07:00
xdp	xsk: fix umem memory leak on cleanup	2019-03-16 01:27:51 +01:00
xfrm	xfrm: Honor original L3 slave device in xfrmi policy lookup	2019-03-27 16:14:05 +01:00
compat.c	Merge branch 'timers-2038-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2019-03-05 14:08:26 -08:00
Kconfig	net: devlink: turn devlink into a built-in	2019-02-26 08:49:05 -08:00
Makefile	net: split out functions related to registering inflight socket files	2019-02-28 08:24:23 -07:00
socket.c	net: add documentation to socket.c	2019-03-15 15:29:47 -07:00
sysctl_net.c