netdev - Re: [PATCH net] usbnet: Fix memory leak in usbnet

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:   Mon, 26 Sep 2022 12:47:42 +0200
From:   Oliver Neukum <oneukum@...e.com>
To:     Peilin Ye <yepeilin.cs@...il.com>,
        Oliver Neukum <oneukum@...e.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     Peilin Ye <peilin.ye@...edance.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Ming Lei <ming.lei@...onical.com>,
        Cong Wang <cong.wang@...edance.com>, netdev@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] usbnet: Fix memory leak in usbnet_disconnect()



On 23.09.22 06:25, Peilin Ye wrote:
Hi,

> I think we may have similar issues at other usb_scuttle_anchored_urbs()
> call sites.  Since urb->context is (void *), should we pass a "destructor"
> callback to usb_scuttle_anchored_urbs(), or replace this function with
> usb_get_from_anchor() loops like this patch does?
> 

please introduce a new function with an additional parameter
for that, so that we do not need to touch the correct usages.

	Regards
		Oliver