linux-kernel - Re: [brauner-vfs:work.pidfs.xattr] [pidfs] e3bfecb731: WARNING:possible_irq_lock_inversion_dependency

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Message-ID: <aFTA2F1ubYQX4sLA@xsang-OptiPlex-9020>
Date: Fri, 20 Jun 2025 10:00:56 +0800
From: Oliver Sang <oliver.sang@...el.com>
To: Christian Brauner <brauner@...nel.org>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>, Christian Brauner
	<christianvanbrauner@...il.com>, <linux-fsdevel@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <oliver.sang@...el.com>
Subject: Re: [brauner-vfs:work.pidfs.xattr] [pidfs]  e3bfecb731:
 WARNING:possible_irq_lock_inversion_dependency_detected

hi, Christian Brauner,

On Thu, Jun 19, 2025 at 10:43:53AM +0200, Christian Brauner wrote:
> On Thu, Jun 19, 2025 at 03:27:28PM +0800, kernel test robot wrote:
> > 
> > 
> > Hello,
> > 
> > kernel test robot noticed "WARNING:possible_irq_lock_inversion_dependency_detected" on:
> > 
> > commit: e3bfecb7310ade68457392f0e7d4c4ec22d0a401 ("pidfs: keep pidfs dentry stashed once created")
> > https://git.kernel.org/cgit/linux/kernel/git/vfs/vfs.git work.pidfs.xattr
> > 
> > in testcase: boot
> > 
> > config: x86_64-randconfig-078-20250618
> > compiler: gcc-12
> > test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
> > 
> > (please refer to attached dmesg/kmsg for entire log/backtrace)
> 
> The branch is irrelevant. I can delete it so it doesn't trigger kbuild.

thanks a lot for information!