Linux Netfilter development
 help / color / mirror / Atom feed
From: Patrick McHardy <kaber@trash.net>
To: davem@davemloft.net
Cc: Patrick McHardy <kaber@trash.net>, netfilter-devel@vger.kernel.org
Subject: netfilter 04/06: ctnetlink: fix sleep in read-side lock section
Date: Mon, 18 Aug 2008 18:51:54 +0200 (MEST)	[thread overview]
Message-ID: <20080818165153.18978.28019.sendpatchset@localhost.localdomain> (raw)
In-Reply-To: <20080818165147.18978.92208.sendpatchset@localhost.localdomain>

netfilter: ctnetlink: fix sleep in read-side lock section

Fix allocation with GFP_KERNEL in ctnetlink_create_conntrack() under
read-side lock sections.

This problem was introduced in 2.6.25.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>

---
commit 3b198ff714ffc62115554f821e80f22d817b2b17
tree 48aa718f0375e5a110357682f789800c85516969
parent 4a58ff2a369c6020ece596812f819641f9d19820
author Pablo Neira Ayuso <pablo@netfilter.org> Mon, 18 Aug 2008 13:17:04 +0200
committer Patrick McHardy <kaber@trash.net> Mon, 18 Aug 2008 13:17:04 +0200

 net/netfilter/nf_conntrack_netlink.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index d1fb2f8..a5b95cc 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -1139,7 +1139,7 @@ ctnetlink_create_conntrack(struct nlattr *cda[],
 	rcu_read_lock();
 	helper = __nf_ct_helper_find(rtuple);
 	if (helper) {
-		help = nf_ct_helper_ext_add(ct, GFP_KERNEL);
+		help = nf_ct_helper_ext_add(ct, GFP_ATOMIC);
 		if (help == NULL) {
 			rcu_read_unlock();
 			err = -ENOMEM;

  parent reply	other threads:[~2008-08-18 16:51 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-18 16:51 netfilter 00/06: netfilter fixes Patrick McHardy
2008-08-18 16:51 ` netfilter 01/06: Move linux/in.h and linux/in6.h inclusions outside of Patrick McHardy
2008-08-18 16:57   ` Jan Engelhardt
2008-08-18 17:01     ` Patrick McHardy
2008-08-19  4:21       ` David Miller
2008-08-18 16:51 ` netfilter 02/06: ipt_addrtype: fix matching of inverted destination address type Patrick McHardy
2008-08-19  4:30   ` David Miller
2008-08-18 16:51 ` netfilter 03/06: ctnetlink: fix double helper assignation for NAT'ed conntracks Patrick McHardy
2008-08-19  4:31   ` David Miller
2008-08-18 16:51 ` Patrick McHardy [this message]
2008-08-19  4:31   ` netfilter 04/06: ctnetlink: fix sleep in read-side lock section David Miller
2008-08-18 16:51 ` netfilter 05/06: ctnetlink: sleepable allocation with spin lock bh Patrick McHardy
2008-08-19  4:31   ` David Miller
2008-08-18 16:51 ` nf_nat 06/06: use secure_ipv4_port_ephemeral() for NAT port randomization Patrick McHardy
2008-08-19  4:32   ` David Miller

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20080818165153.18978.28019.sendpatchset@localhost.localdomain \
    --to=kaber@trash.net \
    --cc=davem@davemloft.net \
    --cc=netfilter-devel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox