linux-kernel - Re: [syzbot] upstream boot error: BUG: unable to handle kernel NULL pointer dereference in __dabt

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Message-ID: <CANiq72mor1BkxpAT=v0EsQJN-7fvMjo9K5ooVk1x7ZbBDEyn8g@mail.gmail.com>
Date:   Tue, 25 Apr 2023 22:26:22 +0200
From:   Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To:     syzkaller@...glegroups.com
Cc:     alex.gaynor@...il.com, andriy.shevchenko@...ux.intel.com,
        bjorn3_gh@...tonmail.com, boqun.feng@...il.com,
        bpf@...r.kernel.org, gary@...yguo.net,
        linux-kernel@...r.kernel.org, linux@...musvillemoes.dk,
        ojeda@...nel.org, pmladek@...e.com, rostedt@...dmis.org,
        rust-for-linux@...r.kernel.org, senozhatsky@...omium.org,
        syzkaller-bugs@...glegroups.com, wedsonaf@...il.com
Subject: Re: [syzbot] upstream boot error: BUG: unable to handle kernel NULL
 pointer dereference in __dabt_svc

Hi syzbot engineers,

On Tue, Apr 25, 2023 at 10:06 PM syzbot
<syzbot+d692037148a8169fc9dd@...kaller.appspotmail.com> wrote:
>
> HEAD commit:    de10553fce40 Merge tag 'x86-apic-2023-04-24' of git://git...
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=14bdae68280000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=975b8311f6b96bca
> dashboard link: https://syzkaller.appspot.com/bug?extid=d692037148a8169fc9dd
> compiler:       arm-linux-gnueabi-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
> userspace arch: arm

I am not sure what triggered the bot to consider Rust here -- the
config does not enable it.

What am I missing?

Cheers,
Miguel