Xin Long cd443f1e91 netlink: reset extack earlier in netlink_rcv_skb ...

Move up the extack reset/initialization in netlink_rcv_skb, so that
those 'goto ack' will not skip it. Otherwise, later on netlink_ack
may use the uninitialized extack and cause kernel crash.

Fixes: cbbdf8433a ("netlink: extack needs to be reset each time through loop")
Reported-by: syzbot+03bee3680a37466775e7@syzkaller.appspotmail.com
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2018-01-18 15:14:51 -05:00

..

af_netlink.c

netlink: reset extack earlier in netlink_rcv_skb

2018-01-18 15:14:51 -05:00

af_netlink.h

af_netlink: ensure that NLMSG_DONE never fails in dumps

2017-11-13 10:17:13 +09:00

diag.c

netlink/diag: report flags for netlink sockets

2017-04-05 07:13:56 -07:00

genetlink.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

Kconfig

netlink: remove mmapped netlink support

2016-02-18 11:42:18 -05:00

Makefile

netlink: Diag core and basic socket info dumping (v2)

2013-03-21 12:38:03 -04:00