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  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, 29 Oct 2014 18:23:02 +0800
From:	Junjie Mao <eternal.n08@...il.com>
To:	Martin Pitt <martin.pitt@...ntu.com>
Cc:	Junjie Mao <eternal.n08@...il.com>,
	Fengguang Wu <fengguang.wu@...el.com>,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mac80211_hwsim: release driver when ieee80211_register_hw fails

I was not familiar with the acquiring/releasing API either, until I met
with this bug...

Perhaps we can use static checkers to avoid these issues as early as
possible. Any suggestions?

Best Regards
Junjie Mao

Martin Pitt <martin.pitt@...ntu.com> writes:

> Acked-By: Martin Pitt <martin.pitt@...ntu.com>
>
> Hello Junjie,
>
> Junjie Mao [2014-10-28  9:31 +0800]:
>> The driver is not released when ieee80211_register_hw fails in
>> mac80211_hwsim_create_radio, leading to the access to the unregistered (and
>> possibly freed) device in platform_driver_unregister:
>
> Many thanks for fixing this! Sorry about that, I don't know these bits
> very well.
>
> Martin
--
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

Powered by blists - more mailing lists