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Re: [RFC][PATCH] ns: Syscalls for better namespace sharing control.

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From: Eric W. Biederman
Subject: Re: [RFC][PATCH] ns: Syscalls for better namespace sharing control.
Date: Monday, March 8, 2010 - 10:29 am

Daniel Lezcano <daniel.lezcano@free.fr> writes:


I am clearly running an old userspace on my test machine.  No udev.
It looks like udev has a long standing netlink misfeature, where
it does not initializing NETLINK_CB....


From 8d85e3ab88718eda3d94cf8e1be14b69dae2b8f1 Mon Sep 17 00:00:00 2001
From: Eric W. Biederman <ebiederm@xmission.com>
Date: Mon, 8 Mar 2010 09:25:20 -0800
Subject: [PATCH] kobject_uevent:  Use the netlink allocator helper...

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 lib/kobject_uevent.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index 920a3ca..b8229cc 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -216,7 +216,7 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
 
 		/* allocate message with the maximum possible size */
 		len = strlen(action_string) + strlen(devpath) + 2;
-		skb = alloc_skb(len + env->buflen, GFP_KERNEL);
+		skb = nlmsg_new(len + env->buflen, GFP_KERNEL);
 		if (skb) {
 			char *scratch;
 
-- 
1.6.5.2.143.g8cc62
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Messages in current thread:
RFC: netfilter: nf_conntrack: add support for &quot;conntrack z ..., Patrick McHardy, (Thu Jan 14, 7:05 am)
Re: RFC: netfilter: nf_conntrack: add support for &quot;conntra ..., jamal, (Thu Jan 14, 8:05 am)
Re: RFC: netfilter: nf_conntrack: add support for &quot;conntra ..., Patrick McHardy, (Thu Jan 14, 8:37 am)
Re: RFC: netfilter: nf_conntrack: add support for &quot;conntra ..., jamal, (Thu Jan 14, 10:33 am)
Re: RFC: netfilter: nf_conntrack: add support for &quot;conntra ..., Ben Greear, (Thu Jan 14, 11:32 am)
Re: RFC: netfilter: nf_conntrack: add support for &quot;conntra ..., Patrick McHardy, (Fri Jan 15, 3:15 am)
Re: RFC: netfilter: nf_conntrack: add support for &quot;conntra ..., jamal, (Fri Jan 15, 8:03 am)
Re: RFC: netfilter: nf_conntrack: add support for &quot;conntra ..., jamal, (Fri Jan 15, 8:19 am)
Re: RFC: netfilter: nf_conntrack: add support for &quot;conntra ..., Eric W. Biederman, (Mon Feb 22, 1:46 pm)
Re: RFC: netfilter: nf_conntrack: add support for &quot;conntra ..., jamal, (Mon Feb 22, 2:55 pm)
Re: RFC: netfilter: nf_conntrack: add support for &quot;conntra ..., Eric W. Biederman, (Mon Feb 22, 4:17 pm)
Re: RFC: netfilter: nf_conntrack: add support for &quot;conntra ..., jamal, (Tue Feb 23, 6:27 am)
Re: RFC: netfilter: nf_conntrack: add support for &quot;conntra ..., Eric W. Biederman, (Tue Feb 23, 7:07 am)
Re: RFC: netfilter: nf_conntrack: add support for &quot;conntra ..., jamal, (Tue Feb 23, 7:20 am)
Re: RFC: netfilter: nf_conntrack: add support for &quot;conntra ..., Eric W. Biederman, (Tue Feb 23, 1:00 pm)
Re: RFC: netfilter: nf_conntrack: add support for &quot;conntra ..., jamal, (Tue Feb 23, 4:09 pm)
Re: RFC: netfilter: nf_conntrack: add support for &quot;conntra ..., Matt Helsley, (Tue Feb 23, 4:49 pm)
Re: RFC: netfilter: nf_conntrack: add support for &quot;conntra ..., Eric W. Biederman, (Tue Feb 23, 6:32 pm)
Re: RFC: netfilter: nf_conntrack: add support for &quot;conntra ..., Serge E. Hallyn, (Tue Feb 23, 6:39 pm)
Re: RFC: netfilter: nf_conntrack: add support for &quot;conntra ..., Eric W. Biederman, (Tue Feb 23, 6:43 pm)
[RFC][PATCH] ns: Syscalls for better namespace sharing con ..., Eric W. Biederman, (Thu Feb 25, 1:57 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Daniel Lezcano, (Thu Feb 25, 2:31 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Matt Helsley, (Thu Feb 25, 2:46 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Thu Feb 25, 2:49 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Thu Feb 25, 2:54 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Daniel Lezcano, (Thu Feb 25, 3:13 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Thu Feb 25, 3:31 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Thu Feb 25, 5:53 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Matt Helsley, (Thu Feb 25, 6:09 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Thu Feb 25, 6:26 pm)
[RFC][PATCH] ns: Syscalls for better namespace sharing con ..., Eric W. Biederman, (Thu Feb 25, 8:15 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Fri Feb 26, 1:35 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Pavel Emelyanov, (Fri Feb 26, 2:13 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Fri Feb 26, 2:24 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Pavel Emelyanov, (Fri Feb 26, 2:34 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Pavel Emelyanov, (Fri Feb 26, 2:35 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Fri Feb 26, 2:42 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Fri Feb 26, 2:49 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Oren Laadan, (Fri Feb 26, 2:58 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Fri Feb 26, 3:16 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Oren Laadan, (Fri Feb 26, 3:52 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Fri Feb 26, 4:13 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Pavel Emelyanov, (Sat Feb 27, 1:30 am)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Sat Feb 27, 2:04 am)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Pavel Emelyanov, (Sat Feb 27, 2:21 am)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Sat Feb 27, 2:42 am)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Pavel Emelyanov, (Sat Feb 27, 9:16 am)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Sat Feb 27, 12:08 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Pavel Emelyanov, (Sat Feb 27, 12:29 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Sat Feb 27, 12:44 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Daniel Lezcano, (Sun Feb 28, 3:05 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Mon Mar 1, 12:24 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Mon Mar 1, 2:42 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Cedric Le Goater, (Tue Mar 2, 6:10 am)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Pavel Emelyanov, (Tue Mar 2, 8:03 am)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Jan Engelhardt, (Tue Mar 2, 8:14 am)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Sukadev Bhattiprolu, (Tue Mar 2, 2:19 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Tue Mar 2, 2:45 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Tue Mar 2, 3:13 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Sukadev Bhattiprolu, (Tue Mar 2, 5:07 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Tue Mar 2, 5:46 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Serge E. Hallyn, (Wed Mar 3, 8:38 am)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Pavel Emelyanov, (Wed Mar 3, 9:50 am)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Wed Mar 3, 12:47 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Wed Mar 3, 1:16 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Jonathan Corbet, (Wed Mar 3, 1:29 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Wed Mar 3, 1:50 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Oren Laadan, (Wed Mar 3, 1:59 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Wed Mar 3, 2:05 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Thu Mar 4, 2:45 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Jan Engelhardt, (Thu Mar 4, 3:55 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Pavel Emelyanov, (Fri Mar 5, 12:18 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Fri Mar 5, 1:26 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Daniel Lezcano, (Sat Mar 6, 7:47 am)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Sat Mar 6, 1:48 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Daniel Lezcano, (Sat Mar 6, 2:26 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Mon Mar 8, 1:32 am)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Daniel Lezcano, (Mon Mar 8, 9:54 am)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Serge E. Hallyn, (Mon Mar 8, 10:07 am)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Mon Mar 8, 10:29 am)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Mon Mar 8, 10:35 am)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Serge E. Hallyn, (Mon Mar 8, 10:47 am)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Daniel Lezcano, (Mon Mar 8, 12:57 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Mon Mar 8, 1:24 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Daniel Lezcano, (Mon Mar 8, 1:42 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Mon Mar 8, 1:47 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Daniel Lezcano, (Mon Mar 8, 2:12 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Mon Mar 8, 2:25 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Serge E. Hallyn, (Mon Mar 8, 2:49 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Mon Mar 8, 3:24 pm)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Daniel Lezcano, (Tue Mar 9, 3:03 am)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Eric W. Biederman, (Tue Mar 9, 3:13 am)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Daniel Lezcano, (Tue Mar 9, 3:26 am)
Re: [RFC][PATCH] ns: Syscalls for better namespace sharing ..., Daniel Lezcano, (Wed Mar 10, 2:16 pm)