linux-kernel - Re: [PATCH] acer-wmi: fix memory leaks in wmab

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] [day] [month] [year] [list]

Message-Id: <201007092153.55715.carlos@strangeworlds.co.uk>
Date:	Fri, 9 Jul 2010 21:53:55 +0100
From:	Carlos Corbacho <carlos@...angeworlds.co.uk>
To:	Axel Lin <axel.lin@...il.com>
Cc:	"linux-kernel" <linux-kernel@...r.kernel.org>,
	Matthew Garrett <mjg@...hat.com>,
	Thomas Renninger <trenn@...e.de>,
	Alan Jenkins <alan-jenkins@...fmail.co.uk>,
	platform-driver-x86@...r.kernel.org
Subject: Re: [PATCH] acer-wmi: fix memory leaks in wmab_execute error path

On Friday 09 July 2010 04:51:15 Axel Lin wrote:
> When acpi_evaluate_object() is passed ACPI_ALLOCATE_BUFFER,
> the caller must kfree the returned buffer if AE_OK is returned.
> 
> Call Trace:
> wmab_execute
>   -> wmi_evaluate_method
>     -> acpi_evaluate_object
> 
> Thus if callers of wmab_execute() pass ACPI_ALLOCATE_BUFFER,
> the return buffer must be kfreed if wmab_execute return AE_OK.
> 
> Signed-off-by: Axel Lin <axel.lin@...il.com>

Acked-by: Carlos Corbacho <carlos@...angeworlds.co.uk>
-- 
E-Mail: carlos@...angeworlds.co.uk
Web: strangeworlds.co.uk
GPG Key ID: 0x23EE722D
--
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/