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a70a9aa990
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Antonio Quartulli a70a9aa990 batman-adv: lock around TT operations to avoid sending inconsistent data 
A TT response may be prepared and sent while the local or
global translation table is getting updated.

The worst case is when one of the tables is accessed after
its content has been recently updated but the metadata
(TTVN/CRC) has not yet. In this case the reader will get a
table content which does not match the TTVN/CRC.
This will lead to an inconsistent state and so to a TT
recovery.

To avoid entering this situation, put a lock around those TT
operations recomputing the metadata and around the TT
Response creation (the latter is the only reader that
accesses the metadata together with the table).

Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2013-10-19 17:31:56 +02:00
..
9p for-linus-3.12-merge minor 9p fixes and tweaks for 3.12 merge window 2013-09-11 12:34:13 -07:00
802 mrp: add periodictimer to allow retries when packets get lost 2013-09-23 16:53:52 -04:00
8021q Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-10-08 23:07:53 -04:00
appletalk net: proc_fs: trivial: print UIDs as unsigned int 2013-08-15 14:37:46 -07:00
atm net: always pass struct netdev_notifier_info to netdevice notifiers 2013-05-28 21:58:54 -07:00
ax25 ax25: cleanup a range test 2013-10-18 13:56:07 -04:00
batman-adv batman-adv: lock around TT operations to avoid sending inconsistent data 2013-10-19 17:31:56 +02:00
bluetooth Bluetooth: Only one command per L2CAP LE signalling is supported 2013-10-03 16:09:59 +03:00
bridge netfilter: nf_tables: complete net namespace support 2013-10-14 18:00:59 +02:00
caif caif: Add missing braces to multiline if in cfctrl_linkup_request 2013-09-05 14:31:02 -04:00
can can: gw: add a per rule limitation of frame hops 2013-08-29 22:58:24 +02:00
ceph Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client 2013-09-19 12:50:37 -05:00
core net: refactor sk_page_frag_refill() 2013-10-18 00:08:51 -04:00
dcb
dccp inet: rename ir_loc_port to ir_num 2013-10-10 14:37:35 -04:00
decnet netfilter: pass hook ops to hookfn 2013-10-14 11:29:31 +02:00
dns_resolver net: strict_strtoul is obsolete, use kstrtoul instead 2013-07-12 16:09:14 -07:00
dsa net: dsa: inherit addr_assign_type along with dev_addr 2013-09-03 20:57:49 -04:00
ethernet ethernet: use likely() for common Ethernet encap 2013-09-30 21:52:53 -07:00
ieee802154 6lowpan: Sync default hardware address of lowpan links to their wpan 2013-10-08 15:28:37 -04:00
ipv4 tcp: remove redundant code in __tcp_retransmit_skb() 2013-10-18 16:22:00 -04:00
ipv6 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2013-10-18 13:51:35 -04:00
ipx net: proc_fs: trivial: print UIDs as unsigned int 2013-08-15 14:37:46 -07:00
irda net/irda: fixed style issues in irttp 2013-07-19 17:34:40 -07:00
iucv net: delete __cpuinit usage from all net files 2013-07-14 19:36:58 -04:00
key xfrm: Remove rebundant address family checking 2013-08-07 10:12:58 +02:00
l2tp ipv6: make lookups simpler and faster 2013-10-09 00:01:25 -04:00
lapb net/lapb: re-send packets on timeout 2013-09-23 16:52:45 -04:00
llc llc: Use normal etherdevice.h tests 2013-09-03 22:34:47 -04:00
mac80211 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2013-10-17 14:02:07 -04:00
mac802154 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-04-30 03:55:20 -04:00
mpls MPLS: Add limited GSO support 2013-05-27 22:50:59 -07:00
netfilter netfilter: nf_tables: add trace support 2013-10-14 18:01:02 +02:00
netlabel inet: includes a sock_common in request_sock 2013-10-10 00:08:07 -04:00
netlink net: netlink: filter particular protocols from analyzers 2013-09-06 14:43:48 -04:00
netrom net: Convert uses of typedef ctl_table to struct ctl_table 2013-06-13 02:36:09 -07:00
nfc NFC: Update secure element state 2013-08-14 01:13:40 +02:00
openvswitch net ipv4: Convert ipv4.ip_local_port_range to be per netns v3 2013-09-30 21:59:38 -07:00
packet net: packet: use reciprocal_divide in fanout_demux_hash 2013-08-29 16:43:29 -04:00
phonet net: proc_fs: trivial: print UIDs as unsigned int 2013-08-15 14:37:46 -07:00
rds net: Convert uses of typedef ctl_table to struct ctl_table 2013-06-13 02:36:09 -07:00
rfkill Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2013-09-05 14:54:29 -07:00
rose net: Convert uses of typedef ctl_table to struct ctl_table 2013-06-13 02:36:09 -07:00
rxrpc
sched em_ipset: use dev_net() accessor 2013-10-18 16:23:06 -04:00
sctp ipv6: make lookups simpler and faster 2013-10-09 00:01:25 -04:00
sunrpc net: fix build errors if ipv6 is disabled 2013-10-09 13:04:03 -04:00
tipc tipc: simplify the link lookup routine 2013-10-18 13:20:43 -04:00
unix unix_diag: fix info leak 2013-10-02 16:08:24 -04:00
vmw_vsock Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-08-16 15:37:26 -07:00
wimax
wireless Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2013-10-17 14:02:07 -04:00
x25 x25: add a sanity check parsing X.25 facilities 2013-09-04 00:27:27 -04:00
xfrm xfrm: Simplify SA looking up when using wildcard source 2013-10-01 10:09:33 +02:00
compat.c net: heap overflow in __audit_sockaddr() 2013-10-03 16:05:14 -04:00
Kconfig Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
Makefile MPLS: Add limited GSO support 2013-05-27 22:50:59 -07:00
nonet.c
socket.c net: heap overflow in __audit_sockaddr() 2013-10-03 16:05:14 -04:00
sysctl_net.c net: Update the sysctl permissions handler to test effective uid/gid 2013-10-07 15:57:56 -04:00