Re: [PATCH v2] ipv4/udp: Verify multicast group is ours in upd_v4_early_demux()

2015-06-04 Thread David Miller
From: Shawn Bohrer Date: Wed, 3 Jun 2015 16:27:38 -0500 > From: Shawn Bohrer > > 421b3885bf6d56391297844f43fb7154a6396e12 "udp: ipv4: Add udp early > demux" introduced a regression that allowed sockets bound to INADDR_ANY > to receive packets from multicast groups that the socket had not joine

[PATCH v2] ipv4/udp: Verify multicast group is ours in upd_v4_early_demux()

2015-06-03 Thread Shawn Bohrer
From: Shawn Bohrer 421b3885bf6d56391297844f43fb7154a6396e12 "udp: ipv4: Add udp early demux" introduced a regression that allowed sockets bound to INADDR_ANY to receive packets from multicast groups that the socket had not joined. For example a socket that had joined 224.168.2.9 could also receiv