sctp: jsctp_sf_eat_sack: fix jprobes function signature mismatch

[ 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 <vyasevich@gmail.com>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/net/sctp/probe.c b/net/sctp/probe.c
index bc6cd75cc1dcdc82792b7056ce2b1566bbb945d5..5f7518de2fd1755a7f2b874144740beb8d6d7d89 100644 (file)
--- a/net/sctp/probe.c
+++ b/net/sctp/probe.c
@@ -122,7 +122,8 @@ static const struct file_operations sctpprobe_fops = {
        .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,