On Thu, Aug 20, 2026 at 05:40:52PM +0200, Peter Zijlstra wrote:
> On Thu, Jul 02, 2026 at 07:49:19PM +0800, Aaron Lu wrote:
> 
> > The test caused a panic with below msg:
> 
> What test do you run? I think all I have is the prctl selftest thing.

Self-created test for bandwidth testing purpose.
The test machine is gone but I backed the test scripts and I think that
is what I run :-)

I've attached the test scripts for your reference, ./test.sh should
trigger the problem. The test.sh would set quotas but the problem can be
triggered no matter quota is set or not.

nop is just a user space cpu hog like: while (1) { cpu_relax(); }