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34a4c95abd
linux/net
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Pablo Neira Ayuso 34a4c95abd netfilter: nft_connlimit: disable bh on garbage collection 
BH must be disabled when invoking nf_conncount_gc_list() to perform
garbage collection, otherwise deadlock might happen.

  nf_conncount_add+0x1f/0x50 [nf_conncount]
  nft_connlimit_eval+0x4c/0xe0 [nft_connlimit]
  nft_dynset_eval+0xb5/0x100 [nf_tables]
  nft_do_chain+0xea/0x420 [nf_tables]
  ? sch_direct_xmit+0x111/0x360
  ? noqueue_init+0x10/0x10
  ? __qdisc_run+0x84/0x510
  ? tcp_packet+0x655/0x1610 [nf_conntrack]
  ? ip_finish_output2+0x1a7/0x430
  ? tcp_error+0x130/0x150 [nf_conntrack]
  ? nf_conntrack_in+0x1fc/0x4c0 [nf_conntrack]
  nft_do_chain_ipv4+0x66/0x80 [nf_tables]
  nf_hook_slow+0x44/0xc0
  ip_rcv+0xb5/0xd0
  ? ip_rcv_finish_core.isra.19+0x360/0x360
  __netif_receive_skb_one_core+0x52/0x70
  netif_receive_skb_internal+0x34/0xe0
  napi_gro_receive+0xba/0xe0
  e1000_clean_rx_irq+0x1e9/0x420 [e1000e]
  e1000e_poll+0xbe/0x290 [e1000e]
  net_rx_action+0x149/0x3b0
  __do_softirq+0xde/0x2d8
  irq_exit+0xba/0xc0
  do_IRQ+0x85/0xd0
  common_interrupt+0xf/0xf
  </IRQ>
  RIP: 0010:nf_conncount_gc_list+0x3b/0x130 [nf_conncount]

Fixes: 2f971a8f42 ("netfilter: nf_conncount: move all list iterations under spinlock")
Reported-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-10-01 18:42:15 +02:00
..
6lowpan
9p 9p pull request for inclusion in 5.4 2019-09-27 15:10:34 -07:00
802
8021q
appletalk appletalk: enforce CAP_NET_RAW for raw sockets 2019-09-24 16:37:18 +02:00
atm pppoatm: use %*ph to print small buffer 2019-09-05 12:33:28 +02:00
ax25 ax25: enforce CAP_NET_RAW for raw sockets 2019-09-24 16:37:18 +02:00
batman-adv netfilter: drop bridge nf reset from nf_reset 2019-10-01 18:42:15 +02:00
bluetooth Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2019-09-18 12:34:53 -07:00
bpf
bpfilter
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-09-15 14:17:27 +02:00
caif
can can: add support of SAE J1939 protocol 2019-09-04 14:22:33 +02:00
ceph libceph: use ceph_kvmalloc() for osdmap arrays 2019-09-16 12:06:25 +02:00
core netfilter: drop bridge nf reset from nf_reset 2019-10-01 18:42:15 +02:00
dcb
dccp netfilter: drop bridge nf reset from nf_reset 2019-10-01 18:42:15 +02:00
decnet
dns_resolver
dsa Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net 2019-09-17 23:51:10 +02:00
ethernet
hsr
ieee802154 ieee802154: enforce CAP_NET_RAW for raw sockets 2019-09-24 16:37:18 +02:00
ife net: Fix Kconfig indentation 2019-09-26 08:56:17 +02:00
ipv4 netfilter: drop bridge nf reset from nf_reset 2019-10-01 18:42:15 +02:00
ipv6 netfilter: drop bridge nf reset from nf_reset 2019-10-01 18:42:15 +02:00
iucv
kcm kcm: disable preemption in kcm_parse_func_strparser() 2019-09-27 10:27:14 +02:00
key
l2tp netfilter: drop bridge nf reset from nf_reset 2019-10-01 18:42:15 +02:00
l3mdev
lapb
llc
mac80211 mac80211: keep BHs disabled while calling drv_tx_wake_queue() 2019-10-01 17:56:19 +02:00
mac802154
mpls ipv4: mpls: fix mpls_xmit for iptunnel 2019-08-25 14:34:08 -07:00
ncsi net/ncsi: Disable global multicast filter 2019-09-19 18:04:40 -07:00
netfilter netfilter: nft_connlimit: disable bh on garbage collection 2019-10-01 18:42:15 +02:00
netlabel netlabel: remove redundant assignment to pointer iter 2019-09-01 11:45:02 -07:00
netlink
netrom
nfc nfc: enforce CAP_NET_RAW for raw sockets 2019-09-24 16:37:18 +02:00
nsh
openvswitch netfilter: drop bridge nf reset from nf_reset 2019-10-01 18:42:15 +02:00
packet netfilter: drop bridge nf reset from nf_reset 2019-10-01 18:42:15 +02:00
phonet
psample net: sched: take reference to psample group in flow_action infra 2019-09-16 09:18:03 +02:00
qrtr net: qrtr: Stop rx_worker before freeing node 2019-09-21 18:45:46 -07:00
rds net/rds: Check laddr_check before calling it 2019-09-27 12:10:55 +02:00
rfkill
rose
rxrpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-09-15 14:17:27 +02:00
sched net: sched: taprio: Fix potential integer overflow in taprio_set_picos_per_byte 2019-09-30 18:32:20 -07:00
sctp netfilter: drop bridge nf reset from nf_reset 2019-10-01 18:42:15 +02:00
smc net/smc: make sure EPOLLOUT is raised 2019-08-20 12:25:14 -07:00
strparser
sunrpc Highlights: 2019-09-27 17:00:27 -07:00
switchdev
tipc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-09-15 14:17:27 +02:00
tls net/tls: align non temporal copy to cache lines 2019-09-07 18:10:34 +02:00
unix
vmw_vsock vsock/virtio: a better comment on credit update 2019-09-05 09:53:01 +02:00
wimax wimax: no need to check return value of debugfs_create functions 2019-08-10 15:25:47 -07:00
wireless nl80211: fix null pointer dereference 2019-10-01 17:56:19 +02:00
x25
xdp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-09-28 17:47:33 -07:00
xfrm netfilter: drop bridge nf reset from nf_reset 2019-10-01 18:42:15 +02:00
compat.c
Kconfig devlink: Add packet trap infrastructure 2019-08-17 12:40:08 -07:00
Makefile
socket.c
sysctl_net.c