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From: Zenghui Yu <yuzenghui@huawei.com>
To: Will Deacon <will@kernel.org>
Cc: <linux-arm-kernel@lists.infradead.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Mark Rutland <mark.rutland@arm.com>
Subject: Re: [report] WARN_ON_ONCE() was triggered with pseudo NMI enabled
Date: Mon, 30 Jun 2025 13:08:56 +0800	[thread overview]
Message-ID: <a99ef199-ac63-ac32-12fc-353c8d22fc97@huawei.com> (raw)
In-Reply-To: <aF69MAUB84bPX-Sy@willie-the-truck>

On 2025/6/27 23:48, Will Deacon wrote:
> On Wed, Mar 12, 2025 at 05:27:50PM +0800, Zenghui Yu wrote:
> > With pseudo NMI enabled, I can trigger the following splat when running
> > selftests (e.g., arm64/signal/fake_sigreturn_bad_magic, which will issue
> > a BRK instruction).
> >
> >  ------------[ cut here ]------------
> >  WARNING: CPU: 5 PID: 386876 at ./arch/arm64/include/asm/irqflags.h:34 send_user_sigtrap+0xc8/0xd0
> 
> This is fixed by Ada's series:
> 
> https://lore.kernel.org/r/20250620211207.773980-1-ada.coupriediaz@arm.com

Thanks for the heads-up!

Zenghui


      reply	other threads:[~2025-06-30  5:11 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-12  9:27 [report] WARN_ON_ONCE() was triggered with pseudo NMI enabled Zenghui Yu
2025-06-27 15:48 ` Will Deacon
2025-06-30  5:08   ` Zenghui Yu [this message]

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