From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail333.us4.mandrillapp.com ([205.201.137.77]:45909 "EHLO mail333.us4.mandrillapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751292AbcB2Wo7 (ORCPT ); Mon, 29 Feb 2016 17:44:59 -0500 Received: from pmta03.dal05.mailchimp.com (127.0.0.1) by mail333.us4.mandrillapp.com id hqj4um174nop for ; Mon, 29 Feb 2016 22:44:57 +0000 (envelope-from ) From: Subject: Patch "af_unix: fix struct pid memory leak" has been added to the 4.4-stable tree To: , , , , Cc: , Message-Id: <1456785894249225@kroah.com> Date: Mon, 29 Feb 2016 22:44:56 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled af_unix: fix struct pid memory leak to the 4.4-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: af_unix-fix-struct-pid-memory-leak.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From foo@baz Mon Feb 29 14:33:50 PST 2016 From: Eric Dumazet Date: Sun, 24 Jan 2016 13:53:50 -0800 Subject: af_unix: fix struct pid memory leak From: Eric Dumazet [ Upstream commit fa0dc04df259ba2df3ce1920e9690c7842f8fa4b ] Dmitry reported a struct pid leak detected by a syzkaller program. Bug happens in unix_stream_recvmsg() when we break the loop when a signal is pending, without properly releasing scm. Fixes: b3ca9b02b007 ("net: fix multithreaded signal handling in unix recv routines") Reported-by: Dmitry Vyukov Signed-off-by: Eric Dumazet Cc: Rainer Weikusat Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- net/unix/af_unix.c | 1 + 1 file changed, 1 insertion(+) --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -2332,6 +2332,7 @@ again: if (signal_pending(current)) { err = sock_intr_errno(timeo); + scm_destroy(&scm); goto out; } Patches currently in stable-queue which might be from edumazet@google.com are queue-4.4/ipv4-fix-memory-leaks-in-ip_cmsg_send-callers.patch queue-4.4/tcp-dccp-fix-another-race-at-listener-dismantle.patch queue-4.4/ipv6-fix-a-lockdep-splat.patch queue-4.4/ipv6-addrconf-fix-recursive-spin-lock-call.patch queue-4.4/tcp-do-not-drop-syn_recv-on-all-icmp-reports.patch queue-4.4/tcp-beware-of-alignments-in-tcp_get_info.patch queue-4.4/tcp-md5-release-request-socket-instead-of-listener.patch queue-4.4/gro-make-gro-aware-of-lightweight-tunnels.patch queue-4.4/tcp-fix-null-deref-in-tcp_v4_send_ack.patch queue-4.4/af_unix-fix-struct-pid-memory-leak.patch queue-4.4/net-add-sysctl_max_skb_frags.patch