David Miller 4682a03586 netlink: Always copy on mmap TX. ... Checking the file f_count and the nlk->mapped count is not completely sufficient to prevent the mmap'd area contents from changing from under us during netlink mmap sendmsg() operations. Be careful to sample the header's length field only once, because this could change from under us as well. Fixes: 5fd96123ee ("netlink: implement memory mapped sendmsg()") Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Daniel Borkmann <dborkman@redhat.com> Acked-by: Thomas Graf <tgraf@suug.ch>		2014-12-18 12:35:23 -05:00
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af_netlink.c	netlink: Always copy on mmap TX.	2014-12-18 12:35:23 -05:00
af_netlink.h	netlink: hold nl_sock_hash_lock during diag dump	2014-08-06 19:17:44 -07:00
diag.c	netlink: hold nl_sock_hash_lock during diag dump	2014-08-06 19:17:44 -07:00
genetlink.c	genetlink: remove superfluous assignment	2014-06-02 10:36:18 -07:00
Kconfig	netlink: kconfig: move mmap i/o into netlink kconfig	2013-05-01 15:02:42 -04:00
Makefile	netlink: Diag core and basic socket info dumping (v2)	2013-03-21 12:38:03 -04:00