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8d0015a7ab
linux/net
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Cong Wang 8d0015a7ab netfilter: xt_hashlimit: limit the max size of hashtable 
The user-specified hashtable size is unbound, this could
easily lead to an OOM or a hung task as we hold the global
mutex while allocating and initializing the new hashtable.

Add a max value to cap both cfg->size and cfg->max, as
suggested by Florian.

Reported-and-tested-by: syzbot+adf6c6c2be1c3a718121@syzkaller.appspotmail.com
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Reviewed-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2020-02-07 15:53:31 +01:00
..
6lowpan
9p 9p pull request for inclusion in 5.4 2019-09-27 15:10:34 -07:00
802 treewide: Use sizeof_field() macro 2019-12-09 10:36:44 -08:00
8021q Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-01-09 12:13:43 -08:00
appletalk appletalk: enforce CAP_NET_RAW for raw sockets 2019-09-24 16:37:18 +02:00
atm proc: convert everything to "struct proc_ops" 2020-02-04 03:05:26 +00:00
ax25 net: Make sock protocol value checks more specific 2020-01-09 18:41:40 -08:00
batman-adv Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net 2020-01-19 22:10:04 +01:00
bluetooth Bluetooth: Fix race condition in hci_release_sock() 2020-01-26 10:34:17 +02:00
bpf bpf: Allow to change skb mark in test_run 2019-12-18 17:05:58 -08:00
bpfilter
bridge net: bridge: vlan: add per-vlan state 2020-01-24 12:58:14 +01:00
caif caif_usb: fix spelling mistake "to" -> "too" 2020-01-24 08:12:06 +01:00
can can: j1939: j1939_sk_bind(): take priv after lock is held 2019-12-08 11:52:02 +01:00
ceph libceph, rbd, ceph: convert to use the new mount API 2019-11-27 22:28:37 +01:00
core devlink: report 0 after hitting end in region read 2020-02-05 14:23:20 +01:00
dcb
dccp treewide: Use sizeof_field() macro 2019-12-09 10:36:44 -08:00
decnet net: Make sock protocol value checks more specific 2020-01-09 18:41:40 -08:00
dns_resolver
dsa net: dsa: Fix use-after-free in probing of DSA switch tree 2020-01-27 11:12:46 +01:00
ethernet net: remove eth_change_mtu 2020-01-27 11:09:31 +01:00
ethtool net/core: Replace driver version to be kernel version 2020-01-27 13:47:22 +01:00
hsr net: hsr: fix possible NULL deref in hsr_handle_frame() 2020-02-04 09:27:07 +01:00
ieee802154 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-02 13:54:56 -07:00
ife net: Fix Kconfig indentation 2019-09-26 08:56:17 +02:00
ipv4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-02-04 13:32:20 +00:00
ipv6 mptcp: Fix undefined mptcp_handle_ipv6_mapped for modular IPV6 2020-01-30 10:55:54 +01:00
iucv treewide: Use sizeof_field() macro 2019-12-09 10:36:44 -08:00
kcm kcm: disable preemption in kcm_parse_func_strparser() 2019-09-27 10:27:14 +02:00
key
l2tp l2tp: Allow duplicate session creation with UDP 2020-02-04 12:35:49 +01:00
l3mdev
lapb
llc llc2: Fix return statement of llc_stat_ev_rx_null_dsap_xid_c (and _test_c) 2019-12-20 21:19:36 -08:00
mac80211 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-01-28 16:02:33 -08:00
mac802154
mpls net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup 2019-12-04 12:27:13 -08:00
mptcp mptcp: fix use-after-free for ipv6 2020-02-06 11:25:09 +01:00
ncsi net/ncsi: Support for multi host mellanox card 2020-01-09 18:36:22 -08:00
netfilter netfilter: xt_hashlimit: limit the max size of hashtable 2020-02-07 15:53:31 +01:00
netlabel netlabel: remove redundant assignment to pointer iter 2019-09-01 11:45:02 -07:00
netlink treewide: Use sizeof_field() macro 2019-12-09 10:36:44 -08:00
netrom net: core: add generic lockdep keys 2019-10-24 14:53:48 -07:00
nfc net: nfc: nci: fix a possible sleep-in-atomic-context bug in nci_uart_tty_receive() 2019-12-18 11:57:33 -08:00
nsh
openvswitch net: openvswitch: use skb_list_walk_safe helper for gso segments 2020-01-14 11:48:41 -08:00
packet y2038: core, driver and file system changes 2020-01-29 14:55:47 -08:00
phonet net: Remove redundant BUG_ON() check in phonet_pernet 2020-01-03 12:25:50 -08:00
psample net: psample: fix skb_over_panic 2019-11-26 14:40:13 -08:00
qrtr net: qrtr: Remove receive worker 2020-01-14 18:36:42 -08:00
rds net/rds: Use prefetch for On-Demand-Paging MR 2020-01-18 11:48:19 +02:00
rfkill rfkill: Fix incorrect check to avoid NULL pointer dereference 2019-12-16 10:15:49 +01:00
rose Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-01-26 10:40:21 +01:00
rxrpc rxrpc: Fix call RCU cleanup using non-bh-safe locks 2020-02-07 11:20:57 +01:00
sched taprio: Fix dropping packets when using taprio + ETF offloading 2020-02-07 11:30:03 +01:00
sctp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-01-09 12:13:43 -08:00
smc net/smc: allow unprivileged users to read pnet table 2020-01-21 11:39:56 +01:00
strparser
sunrpc proc: convert everything to "struct proc_ops" 2020-02-04 03:05:26 +00:00
switchdev
tipc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-01-28 16:02:33 -08:00
tls Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net 2020-01-19 22:10:04 +01:00
unix skbuff: fix a data race in skb_queue_len() 2020-02-06 13:59:10 +01:00
vmw_vsock Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net 2020-01-19 22:10:04 +01:00
wimax
wireless Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-01-28 16:02:33 -08:00
x25 net/x25: fix nonblocking connect 2020-01-09 18:39:33 -08:00
xdp mm, tree-wide: rename put_user_page*() to unpin_user_page*() 2020-01-31 10:30:38 -08:00
xfrm treewide: remove redundant IS_ERR() before error code check 2020-02-04 03:05:27 +00:00
compat.c y2038: socket: use __kernel_old_timespec instead of timespec 2019-11-15 14:38:29 +01:00
Kconfig mptcp: Add MPTCP socket stubs 2020-01-24 13:44:07 +01:00
Makefile mptcp: Add MPTCP socket stubs 2020-01-24 13:44:07 +01:00
socket.c socket: fix unused-function warning 2020-01-08 15:02:21 -08:00
sysctl_net.c