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: <m1tz20zejv.fsf@fess.ebiederm.org>
Date:	Sun, 28 Jun 2009 06:13:56 -0700
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Kay Sievers <kay.sievers@...y.org>
Cc:	Sergey Senozhatsky <sergey.senozhatsky@...l.by>,
	Greg KH <gregkh@...e.de>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kobject_set_name_vargs memory leak

Kay Sievers <kay.sievers@...y.org> writes:

> On Sun, Jun 28, 2009 at 14:07, Eric W. Biederman<ebiederm@...ssion.com> wrote:
>
>> But setting a kobject's name several times in a row is a bug.  You
>> need to call kobject_rename if you are going to change the name.
>
> Sure, we can define in that way.
>
>> So how about we fix the driver core not to do that.  Stop treating fmt
>> as a flag, and make it clear kobject_add should not be passed a name.
>
> Sounds fine to me. You did not try to compile your patch, right? :)

Only the lib/kobject bits...

> block/blk-sysfs.c: In function ‘blk_register_queue’:
> block/blk-sysfs.c:436: error: implicit declaration of function ‘kobj_set_name’
>
> drivers/base/driver.c: In function ‘driver_add_kobj’:
> drivers/base/driver.c:149: error: too many arguments to function ‘kobject_add’

Ugh I totally missed that one.

> Documentation/kobject.txt would also need an update then.

As for the rules it already seems correct.
But getting the prototype and mentioning kobject_set_name wouldn't
hurt.

Eric
--
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/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ