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b2c5f60ccc6f140879d4a763aaa6c54a46b3c37a
linux/net/batman-adv
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Sven Eckelmann e181bb93c9 batman-adv: Don't schedule OGM for disabled interface 
commit 8e8ce08198 upstream.

A transmission scheduling for an interface which is currently dropped by
batadv_iv_ogm_iface_disable could still be in progress. The B.A.T.M.A.N. V
is simply cancelling the workqueue item in an synchronous way but this is
not possible with B.A.T.M.A.N. IV because the OGM submissions are
intertwined.

Instead it has to stop submitting the OGM when it detect that the buffer
pointer is set to NULL.

Reported-by: syzbot+a98f2016f40b9cd3818a@syzkaller.appspotmail.com
Reported-by: syzbot+ac36b6a33c28a491e929@syzkaller.appspotmail.com
Fixes: c6c8fea297 ("net: Add batman-adv meshing protocol")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Cc: Hillf Danton <hdanton@sina.com>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-20 10:54:23 +01:00
..
bat_algo.c
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
bat_algo.h
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
bat_iv_ogm.c
batman-adv: Don't schedule OGM for disabled interface
2020-03-20 10:54:23 +01:00
bat_iv_ogm.h
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
bat_v_elp.c
batman-adv: Use explicit tvlv padding for ELP packets
2018-12-13 09:18:46 +01:00
bat_v_elp.h
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
bat_v_ogm.c
batman-adv: Avoid free/alloc race when handling OGM2 buffer
2020-03-20 10:54:22 +01:00
bat_v_ogm.h
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
bat_v.c
batman-adv: Fix check of retrieved orig_gw in batadv_v_gw_is_eligible
2020-03-20 10:54:21 +01:00
bat_v.h
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
bitarray.c
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
bitarray.h
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
bridge_loop_avoidance.c
batman-adv: Reduce claim hash refcnt only for removed entry
2019-05-08 07:20:47 +02:00
bridge_loop_avoidance.h
batman-adv: prevent multiple ARP replies sent by gateways if dat enabled
2017-03-22 10:30:53 +01:00
debugfs.c
batman-adv: Fix debugfs path for renamed softif
2020-03-20 10:54:22 +01:00
debugfs.h
batman-adv: Fix debugfs path for renamed softif
2020-03-20 10:54:22 +01:00
distributed-arp-table.c
batman-adv: Fix DAT candidate selection on little endian systems
2020-01-23 08:20:34 +01:00
distributed-arp-table.h
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
fragmentation.c
batman-adv: Always initialize fragment header priority
2020-03-20 10:54:20 +01:00
fragmentation.h
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
gateway_client.c
batman-adv: Prevent duplicated gateway_node entry
2018-10-20 09:48:48 +02:00
gateway_client.h
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
gateway_common.c
Merge tag 'batadv-net-for-davem-20170316' of git://git.open-mesh.org/linux-merge
2017-03-16 12:05:38 -07:00
gateway_common.h
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
hard-interface.c
batman-adv: Avoid free/alloc race when handling OGM buffer
2020-03-20 10:54:22 +01:00
hard-interface.h
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
hash.c
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
hash.h
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
icmp_socket.c
networking: make skb_put & friends return void pointers
2017-06-16 11:48:39 -04:00
icmp_socket.h
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
Kconfig
batman-adv: Allow selecting BATMAN V if CFG80211 is not built
2016-10-17 16:28:48 +02:00
log.c
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
log.h
batman-adv: Fix possible side-effects in _batadv_dbg
2017-03-16 21:14:52 +01:00
main.c
batman-adv: mcast: fix multicast tt/tvlv worker locking
2019-05-31 06:47:13 -07:00
main.h
batman-adv: Start new development cycle
2017-07-29 09:51:25 +02:00
Makefile
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
multicast.c
batman-adv: mcast: fix multicast tt/tvlv worker locking
2019-05-31 06:47:13 -07:00
multicast.h
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
netlink.c
batman-adv: fix uninit-value in batadv_netlink_get_ifindex()
2019-09-16 08:20:45 +02:00
netlink.h
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
network-coding.c
batman-adv: Prevent duplicated nc_node entry
2018-10-20 09:48:48 +02:00
network-coding.h
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
originator.c
batman-adv: Fix internal interface indices types
2020-03-20 10:54:21 +01:00
originator.h
batman-adv: Fix internal interface indices types
2020-03-20 10:54:21 +01:00
packet.h
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
routing.c
batman-adv: update data pointers after skb_cow()
2020-03-20 10:54:21 +01:00
routing.h
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
send.c
batman-adv: fix various spelling mistakes
2017-07-29 09:51:28 +02:00
send.h
batman-adv: restructure rebroadcast counter into forw_packet API
2017-03-26 12:46:44 +02:00
soft-interface.c
batman-adv: fix uninit-value in batadv_interface_tx()
2019-02-27 10:08:06 +01:00
soft-interface.h
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
sysfs.c
batman-adv: Fix segfault when writing to sysfs elp_interval
2018-10-20 09:48:48 +02:00
sysfs.h
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
tp_meter.c
networking: make skb_put & friends return void pointers
2017-06-16 11:48:39 -04:00
tp_meter.h
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
translation-table.c
batman-adv: prevent TT request storms by not sending inconsistent TT TLVLs
2020-03-20 10:54:22 +01:00
translation-table.h
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
tvlv.c
batman-adv: Prevent duplicated tvlv handler
2018-10-20 09:48:49 +02:00
tvlv.h
batman-adv: update copyright years for 2017
2017-01-26 08:34:19 +01:00
types.h
batman-adv: Avoid free/alloc race when handling OGM buffer
2020-03-20 10:54:22 +01:00