3.7-stable review patch.  If anyone has any objections, please let me know.

------------------


From: Daniel Borkmann <[email protected]>

[ Upstream commit 4cb9d6eaf85ecdd266a9a5c6d825c56ca9eefc14 ]

Commit 24cb81a6a (sctp: Push struct net down into all of the
state machine functions) introduced the net structure into all
state machine functions, but jsctp_sf_eat_sack was not updated,
hence when SCTP association probing is enabled in the kernel,
any simple SCTP client/server program from userspace will panic
the kernel.

Cc: Vlad Yasevich <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
Acked-by: Vlad Yasevich <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
 net/sctp/probe.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/net/sctp/probe.c
+++ b/net/sctp/probe.c
@@ -122,7 +122,8 @@ static const struct file_operations sctp
        .llseek = noop_llseek,
 };
 
-sctp_disposition_t jsctp_sf_eat_sack(const struct sctp_endpoint *ep,
+sctp_disposition_t jsctp_sf_eat_sack(struct net *net,
+                                    const struct sctp_endpoint *ep,
                                     const struct sctp_association *asoc,
                                     const sctp_subtype_t type,
                                     void *arg,


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