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Re: [syzbot] [wireless?] possible deadlock in ieee80211_remove_interfaces

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To: Aleksandr Nogikh <nogikh@xxxxxxxxxx>
Subject: Re: [syzbot] [wireless?] possible deadlock in ieee80211_remove_interfaces
From: Eric Dumazet <edumazet@xxxxxxxxxx>
Date: Tue, 28 Jan 2025 19:16:27 +0100
Cc: syzbot <syzbot+5b9196ecf74447172a9a@xxxxxxxxxxxxxxxxxxxxxxxxx>, davem@xxxxxxxxxxxxx, johannes@xxxxxxxxxxxxxxxx, kuba@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-wireless@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, pabeni@xxxxxxxxxx, syzkaller-bugs@xxxxxxxxxxxxxxxx, Dmitry Vyukov <dvyukov@xxxxxxxxxx>
In-reply-to: <CANp29Y6MrxrKSAWx_Hqk1_mWBSWwKy39-Z_BDK09_FW3VJfF2Q@mail.gmail.com>
References: <000000000000c1ae9e062164e101@google.com> <6789d55f.050a0220.20d369.004e.GAE@google.com> <CANn89iJiQeF=7g0wFVOZ=TMUnL-7U0xvw4ZQL5H5f4+ChBp__w@mail.gmail.com> <CANp29Y6MrxrKSAWx_Hqk1_mWBSWwKy39-Z_BDK09_FW3VJfF2Q@mail.gmail.com>

On Tue, Jan 28, 2025 at 7:13 PM Aleksandr Nogikh <nogikh@xxxxxxxxxx> wrote:
>
> Hi Eric,
>
>
> Could you please share what's the current situation with the fix?
> The bug unfortunately keeps on stalling the fuzzing on syzbot by
> causing 70+% of all daily crashes.

I think I am going to send a revert for the net tree, and revisit this
stuff for the next cycle.

References:
- [syzbot] [wireless?] possible deadlock in ieee80211_remove_interfaces
  - From: syzbot
- Re: [syzbot] [wireless?] possible deadlock in ieee80211_remove_interfaces
  - From: syzbot
- Re: [syzbot] [wireless?] possible deadlock in ieee80211_remove_interfaces
  - From: Eric Dumazet
- Re: [syzbot] [wireless?] possible deadlock in ieee80211_remove_interfaces
  - From: Aleksandr Nogikh

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