Re: [syzbot] [wireless?] WARNING: net/mac80211/tx.c:LINE at __ieee80211_beacon_get, CPU: syz.NUM.NUM/NUM

From: Aleksandr Nogikh
Date: Tue Jun 17 2025 - 05:49:04 EST


On Tue, Jun 17, 2025 at 11:43 AM Johannes Berg
<johannes@xxxxxxxxxxxxxxxx> 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