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05 April 2024, 19:05:47 UTC
Revision ca10b9e9a8ca7342ee07065289cbe74ac128c169 authored by Eric Dumazet on 08 April 2013, 17:58:11 UTC, committed by David S. Miller on 09 April 2013, 17:23:11 UTC 
selinux: add a skb_owned_by() hook
 
Commit 90ba9b1986b5ac (tcp: tcp_make_synack() can use alloc_skb())
broke certain SELinux/NetLabel configurations by no longer correctly
assigning the sock to the outgoing SYNACK packet.

Cost of atomic operations on the LISTEN socket is quite big,
and we would like it to happen only if really needed.

This patch introduces a new security_ops->skb_owned_by() method,
that is a void operation unless selinux is active.

Reported-by: Miroslav Vadkerti <mvadkert@redhat.com>
Diagnosed-by: Paul Moore <pmoore@redhat.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: linux-security-module@vger.kernel.org
Acked-by: James Morris <james.l.morris@oracle.com>
Tested-by: Paul Moore <pmoore@redhat.com>
Acked-by: Paul Moore <pmoore@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 parent c802d75
History
Tip revision: ca10b9e9a8ca7342ee07065289cbe74ac128c169 authored by Eric Dumazet on 08 April 2013, 17:58:11 UTC
selinux: add a skb_owned_by() hook
Tip revision: ca10b9e
File Mode Size
Makefile -rw-r--r-- 276 bytes
deflate.c -rw-r--r-- 44.0 KB
deflate_syms.c -rw-r--r-- 377 bytes
deftree.c -rw-r--r-- 39.6 KB
defutil.h -rw-r--r-- 11.9 KB
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