linux-kernel - Re: regression in iwlwifi: page fault in iwl_dbg_tlv_alloc

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:   Tue, 12 Jan 2021 13:35:05 +0100
From:   Takashi Iwai <tiwai@...e.de>
To:     Kalle Valo <kvalo@...eaurora.org>
Cc:     Michal Kubecek <mkubecek@...e.cz>, linux-wireless@...r.kernel.org,
        Mordechay Goodstein <mordechay.goodstein@...el.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Arjen de Korte <suse+build@...korte.org>,
        Luca Coelho <luciano.coelho@...el.com>
Subject: Re: regression in iwlwifi: page fault in iwl_dbg_tlv_alloc_region() (commit ba8f6f4ae254)

On Tue, 12 Jan 2021 12:33:14 +0100,
Kalle Valo wrote:
> 
> (adding luca)
> 
> Michal Kubecek <mkubecek@...e.cz> writes:
> 
> > FYI, there is a regression in iwlwifi driver caused by commit
> > ba8f6f4ae254 ("iwlwifi: dbg: add dumping special device memory")
> > reported at
> >
> >   https://bugzilla.kernel.org/show_bug.cgi?id=210733
> >   https://bugzilla.suse.com/show_bug.cgi?id=1180344
> >
> > The problem seems to be an attempt to write terminating null character
> > into a string which may be read only. There is also a proposed fix.
> 
> Can someone submit a proper patch, please? See instructions below how to
> submit.
> 
> And please add Fixes tag to the commit log:
> 
> Fixes: ba8f6f4ae254 ("iwlwifi: dbg: add dumping special device memory")

OK, I'll do it for my own, but really I hoped that someone would have
reacted on the bugzilla report before the official patch submission.
So far no one from the upstream devs showed interest in the bug at
all, unfortunately.


thanks,

Takashi