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

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Message-ID: <87v9c2qtj9.fsf@tynnyri.adurom.net>
Date:   Tue, 12 Jan 2021 13:33:14 +0200
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Michal Kubecek <mkubecek@...e.cz>
Cc:     linux-wireless@...r.kernel.org,
        Mordechay Goodstein <mordechay.goodstein@...el.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Takashi Iwai <tiwai@...e.de>,
        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)

(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")

-- 
https://patchwork.kernel.org/project/linux-wireless/list/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches