netdev - Re: cannot set IP for ethernet

lists.openwall.net		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 linux-hardening linux-cve-announce 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:	Wed, 13 Jun 2007 13:14:02 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	Oliver Neukum <oliver@...kum.org>
CC:	linux-kernel@...r.kernel.org,
	Linux Netdev List <netdev@...r.kernel.org>,
	Herbert Xu <herbert@...dor.apana.org.au>
Subject: Re: cannot set IP for ethernet

Oliver Neukum wrote:
> Am Dienstag, 12. Juni 2007 schrieb Patrick McHardy:
> 
>>Oliver Neukum wrote:
>>
>>>with 2.6.22-rc4-git2 I am getting errors when setting IP for ethernet
>>>interfaces:
>>>
>>>ioctl(4, SIOCSIFADDR, 0x7fff94931600)   = -1 ENOBUFS (No buffer space available)
>>>
>>>The error is independant of the interface. It happens to all interfaces.
>>>There's nothing in the syslog.
>>>
>>>valisk:/home/oliver # uname -a
>>>Linux valisk 2.6.22-rc4-git2-default #3 SMP Tue Jun 12 13:27:54 CEST 2007 x86_64 x86_64 x86_64 GNU/Linux
>>
>>
>>This can happen if the initial inetdev allocation when the netdevice is
>>registered fails. I think it would make sense to try to allocate again
>>when adding addresses in that case, otherwise there is no way of
>>recovery other than unregistering and registering the device again.
> 
> 
> With your patch the problem has gone away. Is there a way to especially
> stress the system in that regard?


Its a failed allocation at NETDEV_REGISTER time. I guess you could
keep unloading + reloading the driver module to try to reproduce it.
-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html