linux-kernel - Re: [syzbot] [wireless?] WARNING: net/mac80211/tx.c:LINE at __ieee80211_beacon

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Message-ID: <CANp29Y5+W426u0jUz0PT=zVde+QqSD9H1fLpTuaKSzCLrt5FcA@mail.gmail.com>
Date: Tue, 17 Jun 2025 11:48:33 +0200
From: Aleksandr Nogikh <nogikh@...gle.com>
To: Johannes Berg <johannes@...solutions.net>
Cc: syzbot <syzbot+468656785707b0e995df@...kaller.appspotmail.com>, 
	linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org, 
	netdev@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [wireless?] WARNING: net/mac80211/tx.c:LINE at
 __ieee80211_beacon_get, CPU: syz.NUM.NUM/NUM

On Tue, Jun 17, 2025 at 11:43 AM Johannes Berg
<johannes@...solutions.net> wrote:
>
> On Tue, 2025-06-17 at 11:34 +0200, Aleksandr Nogikh wrote:
> > #syz dup: WARNING in __ieee80211_beacon_get
> >
>
> Not just this one :)
>
> https://lore.kernel.org/linux-wireless/20250617104902.146e10919be1.I85f352ca4a2dce6f556e5ff45ceaa5f3769cb5ce@changeid/
>

Ah, interesting :)

FWIW, in this particular case, syzbot sent the duplicate report
because the WARNING format has somewhat changed in the latest
linux-next. So before we updated syzbot's parsing rules, it had
managed to re-report quite a few duplicates.

-- 
Aleksandr

> johannes