Willem de Bruijn c27927e372 packet: fix tp_reserve race in packet_set_ring ...

Updates to tp_reserve can race with reads of the field in
packet_set_ring. Avoid this by holding the socket lock during
updates in setsockopt PACKET_RESERVE.

This bug was discovered by syzkaller.

Fixes: 8913336a7e8d ("packet: add PACKET_RESERVE sockopt")
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2017-08-10 09:52:12 -07:00

..

6lowpan

6lowpan: Don't set IFF_NO_QUEUE

2017-04-12 22:02:40 +02:00

9p

Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

2017-07-15 12:00:42 -07:00

802

net: introduce __skb_put_[zero, data, u8]

2017-06-20 13:30:14 -04:00

8021q

net: add netlink_ext_ack argument to rtnl_link_ops.validate

2017-06-26 23:13:22 -04:00

appletalk

networking: make skb_push & __skb_push return void pointers

2017-06-16 11:48:40 -04:00

atm

net, atm: convert eg_cache_entry.use from atomic_t to refcount_t

2017-07-04 22:35:16 +01:00

ax25

net, ax25: convert ax25_cb.refcount from atomic_t to refcount_t

2017-07-04 22:35:19 +01:00

batman-adv

batman-adv: fix TT sync flag inconsistencies

2017-07-31 11:17:38 +02:00

bluetooth

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

2017-07-05 12:31:59 -07:00

bpf

bpf: Align packet data properly in program testing framework.

2017-05-02 11:46:28 -04:00

bridge

net: bridge: fix dest lookup when vlan proto doesn't match

2017-07-14 08:19:23 -07:00

caif

net: convert sock.sk_wmem_alloc from atomic_t to refcount_t

2017-07-01 07:39:08 -07:00

can

networking: introduce and use skb_put_data()

2017-06-16 11:48:37 -04:00

ceph

libceph: make RECOVERY_DELETES feature create a new interval

2017-08-01 16:46:45 +02:00

core

net: avoid skb_warn_bad_offload false positives on UFO

2017-08-08 21:39:01 -07:00

dcb

dcb: enforce minimum length on IEEE_APPS attribute

2017-05-21 13:42:33 -04:00

dccp

dccp: fix a memleak for dccp_feat_init err process

2017-07-27 00:01:05 -07:00

decnet

net, decnet: convert dn_fib_info.fib_clntref from atomic_t to refcount_t

2017-07-04 22:35:15 +01:00

dns_resolver

Merge branch 'WIP.sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2017-03-03 10:16:38 -08:00

dsa

net: dsa: Initialize ds->cpu_port_mask earlier

2017-07-24 17:36:27 -07:00

ethernet

networking: make skb_push & __skb_push return void pointers

2017-06-16 11:48:40 -04:00

hsr

net: add netlink_ext_ack argument to rtnl_link_ops.newlink

2017-06-26 23:13:21 -04:00

ieee802154

net: add netlink_ext_ack argument to rtnl_link_ops.validate

2017-06-26 23:13:22 -04:00

ife

net: Introduce ife encapsulation module

2017-02-03 15:16:45 -05:00

ipv4

udp: consistently apply ufo or fragmentation

2017-08-10 09:52:12 -07:00

ipv6

udp: consistently apply ufo or fragmentation

2017-08-10 09:52:12 -07:00

ipx

net, ipx: convert ipx_route.refcnt from atomic_t to refcount_t

2017-07-04 22:35:17 +01:00

irda

Merge branch 'work.memdup_user' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

2017-07-05 16:05:24 -07:00

iucv

iucv: Convert sk_wmem_alloc accesses to refcount_t.

2017-07-03 02:31:22 -07:00

kcm

net: convert sock.sk_wmem_alloc from atomic_t to refcount_t

2017-07-01 07:39:08 -07:00

key

net, xfrm: convert xfrm_policy.refcnt from atomic_t to refcount_t

2017-07-04 22:35:18 +01:00

l2tp

net, l2tp: convert l2tp_session.ref_count from atomic_t to refcount_t

2017-07-04 22:35:15 +01:00

l3mdev

net: ipv6: Remove l3mdev_get_saddr6

2016-09-10 23:12:53 -07:00

lapb

net, lapb: convert lapb_cb.refcnt from atomic_t to refcount_t

2017-07-04 22:35:16 +01:00

llc

net, llc: convert llc_sap.refcnt from atomic_t to refcount_t

2017-07-04 22:35:15 +01:00

mac80211

net: manual clean code which call skb_put_[data:zero]

2017-06-20 13:30:15 -04:00

mac802154

net: Fix inconsistent teardown and release of private netdev state.

2017-06-07 15:53:24 -04:00

mpls

mpls: fix uninitialized in_label var warning in mpls_getroute

2017-07-08 11:26:41 +01:00

ncsi

networking: make skb_push & __skb_push return void pointers

2017-06-16 11:48:40 -04:00

netfilter

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

2017-07-20 16:33:39 -07:00

netlabel

netlink: pass extended ACK struct to parsing functions

2017-04-13 13:58:22 -04:00

netlink

net: convert sock.sk_refcnt from atomic_t to refcount_t

2017-07-01 07:39:08 -07:00

netrom

net, netrom: convert nr_node.refcount from atomic_t to refcount_t

2017-07-04 22:35:17 +01:00

nfc

NFC: Add sockaddr length checks before accessing sa_family in bind handlers

2017-06-23 00:38:31 +02:00

openvswitch

openvswitch: fix potential out of bound access in parse_ct

2017-07-24 16:25:06 -07:00

packet

packet: fix tp_reserve race in packet_set_ring

2017-08-10 09:52:12 -07:00

phonet

net: convert sock.sk_refcnt from atomic_t to refcount_t

2017-07-01 07:39:08 -07:00

psample

networking: make skb_put & friends return void pointers

2017-06-16 11:48:39 -04:00

qrtr

networking: make skb_put & friends return void pointers

2017-06-16 11:48:39 -04:00

rds

rds: Reintroduce statistics counting

2017-08-08 21:03:47 -07:00

rfkill

net: rfkill: gpio: Switch to devm_acpi_dev_add_driver_gpios()

2017-06-13 11:07:51 +02:00

rose

net: Work around lockdep limitation in sockets that use sockets

2017-03-09 18:23:27 -08:00

rxrpc

net: convert sock.sk_refcnt from atomic_t to refcount_t

2017-07-01 07:39:08 -07:00

sched

net: sched: set xt_tgchk_param par.nft_compat as 0 in ipt_init_target

2017-08-09 22:46:44 -07:00

sctp

sctp: fix an array overflow when all ext chunks are set

2017-07-14 09:05:10 -07:00

smc

net/smc: Add warning about remote memory exposure

2017-05-16 14:49:43 -04:00

strparser

strparser: destroy workqueue on module exit

2017-03-03 20:43:26 -08:00

sunrpc

NFS client bugfixes for 4.13

2017-07-21 16:26:01 -07:00

switchdev

net: switchdev: Change notifier chain to be atomic

2017-06-08 14:16:24 -04:00

tipc

tipc: remove premature ESTABLISH FSM event at link synchronization

2017-08-09 22:38:06 -07:00

tls

TLS: Fix length check in do_tls_getsockopt_tx()

2017-07-06 10:58:19 +01:00

unix

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

2017-07-05 12:31:59 -07:00

vmw_vsock

net: manual clean code which call skb_put_[data:zero]

2017-06-20 13:30:15 -04:00

wimax

genetlink: mark families as __ro_after_init

2016-10-27 16:16:09 -04:00

wireless

netlink validation fixes for nl80211

2017-07-07 11:35:55 +01:00

x25

net, x25: convert x25_neigh.refcnt from atomic_t to refcount_t

2017-07-04 22:35:18 +01:00

xfrm

net, xfrm: convert sec_path.refcnt from atomic_t to refcount_t

2017-07-04 22:35:18 +01:00

compat.c

get_compat_bpf_fprog(): don't copyin field-by-field

2017-07-04 13:14:34 -04:00

Kconfig

tls: kernel TLS support

2017-06-15 12:12:40 -04:00

Makefile

tls: kernel TLS support

2017-06-15 12:12:40 -04:00

socket.c

net/socket: fix type in assignment and trim long line

2017-07-24 14:17:01 -07:00

sysctl_net.c

sysctl: Remove dead register_sysctl_root

2017-04-16 23:42:49 -05:00