All of lore.kernel.org
 help / color / mirror / Atom feed
From: "Sebastian Pöhn" <sebastian.poehn@gmail.com>
To: netdev@vger.kernel.org
Subject: nf_conntrack_h323: Fix locking in process_urq
Date: Fri, 15 Jan 2016 22:55:18 +0100	[thread overview]
Message-ID: <1452894918.4622.3.camel@gmail.com> (raw)

nf_ct_remove_expectations has to be called under nf_conntrack_expect_lock
    
Signed-off-by: Sebastian Pöhn <sebastian.poehn@gmail.com>

---

diff --git a/net/netfilter/nf_conntrack_h323_main.c b/net/netfilter/nf_conntrack_h323_main.c
index 9511af0..d477375 100644
--- a/net/netfilter/nf_conntrack_h323_main.c
+++ b/net/netfilter/nf_conntrack_h323_main.c
@@ -1518,7 +1518,9 @@ static int process_urq(struct sk_buff *skb, struct nf_conn *ct,
        }
 
        /* Clear old expect */
+       spin_lock_bh(&nf_conntrack_expect_lock);
        nf_ct_remove_expectations(ct);
+       spin_unlock_bh(&nf_conntrack_expect_lock);
        info->sig_port[dir] = 0;
        info->sig_port[!dir] = 0;
 

             reply	other threads:[~2016-01-15 21:55 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-15 21:55 Sebastian Pöhn [this message]
2016-01-15 22:42 ` nf_conntrack_h323: Fix locking in process_urq Florian Westphal
2016-01-15 22:57   ` Sebastian Pöhn

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=1452894918.4622.3.camel@gmail.com \
    --to=sebastian.poehn@gmail.com \
    --cc=netdev@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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.