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

[Eric W. Biederman]

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

> Eric W. Biederman wrote:
>> I have take an snapshot of my development tree and placed it at.
>>
>>
>> git://git.kernel.org/pub/scm/linux/people/ebiederm/linux-2.6.33-nsfd-v5.git
>>   
>
> Hi Eric,
>
> thanks for the pointer.
>
> I tried to boot the kernel under qemu and I got this oops:

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 at 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 at 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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