linux-kernel - Re: [PATCH 1/6] Driver core: Fix potential memory leak

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:	Thu, 22 Jul 2010 16:39:16 -0700
From:	Greg KH <greg@...ah.com>
To:	Patrick Pannuto <ppannuto@...eaurora.org>
Cc:	linux-kernel@...r.kernel.org, Greg Kroah-Hartman <gregkh@...e.de>,
	Emese Revfy <re.emese@...il.com>,
	Stephen Hemminger <shemminger@...tta.com>,
	Jens Axboe <jens.axboe@...cle.com>
Subject: Re: [PATCH 1/6] Driver core: Fix potential memory leak

On Thu, Jul 22, 2010 at 03:09:01PM -0700, Patrick Pannuto wrote:
> In both of the 'goto out' cases, priv has already
> been allocated and assigned to bus->p. We reset
> bus->p to NULL, but neglect to free bus->p
> 
> Signed-off-by: Patrick Pannuto <ppannuto@...eaurora.org>
> ---
>  drivers/base/bus.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/base/bus.c b/drivers/base/bus.c
> index 12eec3f..eb1b7fa 100644
> --- a/drivers/base/bus.c
> +++ b/drivers/base/bus.c
> @@ -945,8 +945,8 @@ bus_devices_fail:
>  	bus_remove_file(bus, &bus_attr_uevent);
>  bus_uevent_fail:
>  	kset_unregister(&bus->p->subsys);
> -	kfree(bus->p);
>  out:
> +	kfree(bus->p);

This fix is already in my tree.

thanks,

greg k-h
--
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/