Re: Strange EFAULT on mips64el returned by syscall when another thread is forking

From: Xi Ruoyao
Date: Wed Jan 24 2024 - 11:15:08 EST


On Wed, 2024-01-24 at 20:49 +0800, Xi Ruoyao wrote:
> On Wed, 2024-01-24 at 12:59 +0100, Andreas Schwab wrote:
> > On Jan 24 2024, Xi Ruoyao wrote:
> >
> > > Now I'm suspecting this might be a kernel bug.  Any pointer to further
> > > triage?
> >
> > Is this a regression?
>
> Initially I guessed it was perhaps a Glibc regression related to the
> newly introduced clone3 usage on MIPS, but it fails with Glibc-2.35 too.
>
> Not sure if this is a kernel regression, I'll try different kernels in
> several hours (once I can physically access the system).

Not happening with kernel 5.18.1. I can do a bisection but it will take
several days, I guess.

--
Xi Ruoyao <xry111@xxxxxxxxxxx>
School of Aerospace Science and Technology, Xidian University