lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Mon, 01 Feb 2010 11:12:40 +0100
From:	Eric Dumazet <>
To:	Alexey Dobriyan <>
Cc:	Jon Masters <>,
	linux-kernel <>,
	netdev <>,
	netfilter-devel <>,
	Patrick McHardy <>
Subject: Re: debug: nt_conntrack and KVM crash

Le lundi 01 février 2010 à 11:36 +0200, Alexey Dobriyan a écrit :
> On Mon, Feb 1, 2010 at 11:32 AM, Jon Masters <> wrote:
> > I hacked up a per-namespace version of hashtables (this needs doing
> > anyway, since the global stuff is just waiting to break)
> Which ones? Conntrack hashtables are per-netns.

It seems they are, but this is not a complete work :

1) Global settings (shared by all netns)
2) nf_conntrack_cachep is shared, it should be not shared.
3) nf_conntrack_untracked shared by all netns, it should be local.

nf_conntrack_cleanup_net() can block forever because of this.

while (atomic_read(&nf_conntrack_untracked.ct_general.use) > 1)


To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to
More majordomo info at

Powered by blists - more mailing lists