linux-kernel - Re: [Bug] "BUG: soft lockup in unwind_get_return

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Message-ID: <992e880b-0a42-4895-8e2d-0875f4dc1037@intel.com>
Date: Thu, 22 May 2025 08:45:20 -0700
From: Dave Hansen <dave.hansen@...el.com>
To: John <john.cs.hey@...il.com>
Cc: Josh Poimboeuf <jpoimboe@...nel.org>,
 Peter Zijlstra <peterz@...radead.org>, Thomas Gleixner <tglx@...utronix.de>,
 Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
 Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
 "H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org
Subject: Re: [Bug] "BUG: soft lockup in unwind_get_return_address" in Linux
 kernel v6.15-rc5

On 5/22/25 08:30, John wrote:
> Thank you very much for your prompt reply and kind support. Based on
> your analysis, I will disable KASAN and attempt to reproduce the crash
> accordingly.
> 
> I will keep you updated with any progress. I truly appreciate your
> time and assistance.

Hi John,

We also tend not to top-post our replies on this mailing list. It's just
one of out conventions. One way to show appreciation is to do your best
to follow those conventions.

Also I asked a few more questions:

> Could you tell us a little more about the overall environment here? It
> seems like you're running syzkaller and just reporting whenever you see
> a splat. Is that about right? Could you tell us a little more about why
> you are doing this? What is your goal?

I'd really appreciate if you could speak to some of that as well.