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linux/net/netlink
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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>
History 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