linux-kernel - Re: Dereferencing freed memory bugs

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]

Message-ID: <49CE63FE.2060609@gmail.com>
Date:	Sat, 28 Mar 2009 18:53:02 +0100
From:	Marcin Slusarz <marcin.slusarz@...il.com>
To:	Dan Carpenter <error27@...il.com>
CC:	LKML <linux-kernel@...r.kernel.org>, eteo@...hat.com,
	Tobias Lorenz <tobias.lorenz@....net>,
	Mauro Carvalho Chehab <mchehab@...radead.org>
Subject: Re: Dereferencing freed memory bugs

Dan Carpenter pisze:
> I added a check to smatch (http://repo.or.cz/w/smatch.git/) to check
> for when we dereference
> freed memory.
> 
> (...)
> drivers/media/radio/radio-si470x.c +1144 si470x_fops_release(32) 'radio'
> drivers/media/radio/radio-si470x.c +1722 si470x_usb_driver_disconnect(13) 'radio'
> (...)


Broken by commit ce5829e5fc8204af09db5b226a3dce9824e7d596:
V4L/DVB (7993): si470x: move global lock to device structure
Adding CCs.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/