Re: [report] WARN_ON_ONCE() was triggered with pseudo NMI enabled

Zenghui Yu
2025-06-30T05:11:41Z

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