This is a note to let you know that I've just added the patch titled
decnet: Do not build routes to devices without decnet private data.
to the 3.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
decnet-do-not-build-routes-to-devices-without-decnet-private-data.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Mon May 16 14:28:52 PDT 2016
From: "David S. Miller" <davem@xxxxxxxxxxxxx>
Date: Sun, 10 Apr 2016 23:01:30 -0400
Subject: decnet: Do not build routes to devices without decnet private data.
Status: RO
Content-Length: 1298
Lines: 50
From: "David S. Miller" <davem@xxxxxxxxxxxxx>
[ Upstream commit a36a0d4008488fa545c74445d69eaf56377d5d4e ]
In particular, make sure we check for decnet private presence
for loopback devices.
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/decnet/dn_route.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -1030,10 +1030,13 @@ source_ok:
if (!fld.daddr) {
fld.daddr = fld.saddr;
- err = -EADDRNOTAVAIL;
if (dev_out)
dev_put(dev_out);
+ err = -EINVAL;
dev_out = init_net.loopback_dev;
+ if (!dev_out->dn_ptr)
+ goto out;
+ err = -EADDRNOTAVAIL;
dev_hold(dev_out);
if (!fld.daddr) {
fld.daddr =
@@ -1106,6 +1109,8 @@ source_ok:
if (dev_out == NULL)
goto out;
dn_db = rcu_dereference_raw(dev_out->dn_ptr);
+ if (!dn_db)
+ goto e_inval;
/* Possible improvement - check all devices for local addr */
if (dn_dev_islocal(dev_out, fld.daddr)) {
dev_put(dev_out);
@@ -1147,6 +1152,8 @@ select_source:
dev_put(dev_out);
dev_out = init_net.loopback_dev;
dev_hold(dev_out);
+ if (!dev_out->dn_ptr)
+ goto e_inval;
fld.flowidn_oif = dev_out->ifindex;
if (res.fi)
dn_fib_info_put(res.fi);
Patches currently in stable-queue which might be from davem@xxxxxxxxxxxxx are
queue-3.14/route-do-not-cache-fib-route-info-on-local-routes-with-oif.patch
queue-3.14/packet-fix-heap-info-leak-in-packet_diag_mclist-sock_diag-interface.patch
queue-3.14/atl2-disable-unimplemented-scatter-gather-feature.patch
queue-3.14/vsock-do-not-disconnect-socket-when-peer-has-shutdown-send-only.patch
queue-3.14/net-bridge-fix-old-ioctl-unlocked-net-device-walk.patch
queue-3.14/net-fix-a-kernel-infoleak-in-x25-module.patch
queue-3.14/decnet-do-not-build-routes-to-devices-without-decnet-private-data.patch
queue-3.14/net-fix-infoleak-in-llc.patch
queue-3.14/net-fix-infoleak-in-rtnetlink.patch
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