linux-kernel - Re: kernel BUG in new r8188eu

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: <YQfKohnSRWHjlht6@kroah.com>
Date:   Mon, 2 Aug 2021 12:36:18 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Larry Finger <Larry.Finger@...inger.net>
Cc:     LKML <linux-kernel@...r.kernel.org>, linux-staging@...ts.linux.dev
Subject: Re: kernel BUG in new r8188eu

On Sun, Aug 01, 2021 at 03:15:52PM -0500, Larry Finger wrote:
> On 8/1/21 1:31 AM, Greg Kroah-Hartman wrote:
> > 
> > I am worried that my "remove the wrapper" logic got something wrong
> > here, so if you could test the revert of that, I would appreciate it.
> > 
> > I think I need to go buy one of these devices so I can test cleanups
> > locally...
> 
> The bad commit was 9ff1cc4ef80e ("staging: r8188eu: remove rtw_buf_free()
> function").
> 
> Looking at it, the only difference between the original wrapper and the new
> code is that the wrapper zeros the len variable before the kfree() call, but
> making that change did not help. Reverting that patch restores the old
> behavior.

Ah, doh, that was my fault, sorry, that patch was incorrect (odd git id,
don't know where that came from, it's a different id in my tree.)  Let
me revert this commit and then will redo it correctly.

thanks for finding this.

> There are lots of these on Ebay from $2.47 up with free shipping!

Any hints on the name for how to figure out which devices are supported
by this driver?

thanks,

greg k-h