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From:   "Alexander E. Patrakov" <patrakov@gmail.com>
Date:   Mon, 9 Jan 2023 11:27:54 +0800
Message-ID: <CAN_LGv0gqd1VpWgD0vdVuPZGhZ_R8pdNQntSJ9_602ym_ofeog@mail.gmail.com>
Subject: Re: Commit b320d6c4 broke mt76
To:     Linux regressions mailing list <regressions@lists.linux.dev>
Cc:     Benjamin Berg <benjamin.berg@intel.com>,
        Johannes Berg <johannes.berg@intel.com>,
        Felix Fietkau <nbd@nbd.name>, linux-wireless@vger.kernel.org
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=D0=BF=D0=BD, 9 =D1=8F=D0=BD=D0=B2. 2023 =D0=B3. =D0=B2 04:58, Linux kernel=
 regression tracking (Thorsten
Leemhuis) <regressions@leemhuis.info>:
>
> [CCing the regression list, as it should be in the loop for regressions:
> https://docs.kernel.org/admin-guide/reporting-regressions.html]
>
> On 08.01.23 20:46, Alexander E. Patrakov wrote:
> > Hello Benjamin,
> >
> > I have this hardware, which is supported by the mt76x2e driver:
> >
> > 04:00.0 Network controller [0280]: MEDIATEK Corp. MT7612E 802.11acbgn
> > PCI Express Wireless Network Adapter [14c3:7612]
> >
> > Since Linux 6.1, the mt76 driver panics the kernel due to null
> > dereference shortly after authenticating to the AP, as follows:

<snip>

> > b320d6c456ff2aa43491654407d448bcfa58ac9f is the first bad commit
> > commit b320d6c456ff2aa43491654407d448bcfa58ac9f
> > Author: Benjamin Berg <benjamin.berg@intel.com>
> > Date:   Fri Sep 2 16:12:40 2022 +0200
>
> Not my area of expertise, but I guess it's fixed by this patch:
>
> https://lore.kernel.org/all/20221230200747.19040-1-nbd@nbd.name/

That patch indeed fixes the problem. Thanks!

--=20
Alexander E. Patrakov