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Date:   Tue, 12 Jan 2021 14:45:33 +0200
From:   Kalle Valo <>
To:     Takashi Iwai <>
Cc:     Michal Kubecek <>,,
        Mordechay Goodstein <>,,,
        Arjen de Korte <>,
        Luca Coelho <>
Subject: Re: regression in iwlwifi: page fault in iwl_dbg_tlv_alloc_region() (commit ba8f6f4ae254)

Takashi Iwai <> writes:

> On Tue, 12 Jan 2021 12:33:14 +0100,
> Kalle Valo wrote:
>> (adding luca)
>> Michal Kubecek <> writes:
>> > FYI, there is a regression in iwlwifi driver caused by commit
>> > ba8f6f4ae254 ("iwlwifi: dbg: add dumping special device memory")
>> > reported at
>> >
>> >
>> >
>> >
>> > 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.

Bugzilla is problematic as I don't know if anyone tracks it actively, at
least I don't have time for that. I recommend reporting all wireless
issues to mailing lists to make sure everyone see it.


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