Subject: Re: LTP: preadv03: WARNING: CPU: 0 PID: 101250 at mm/gup.c:2121 is_valid_gup_args (mm/gup.c:2121 (discriminator 1))

From: Jason Gunthorpe <[email-masked]>
Date: Tue, 7 Feb 2023 08:39:35 -0400

On Tue, Feb 07, 2023 at 02:09:27PM +0530, Naresh Kamboju wrote:
> Following test regressions noticed on Linux next-20230207.
> LTP syscalls pwritev03 and preadv03 failed.
> The tests use external mounted SSD drives for creating tmp files.
> 
> Regressions found on arm64 juno-r2 and x86:
>   - ltp-syscalls/pwritev03
>   - ltp-syscalls/preadv03
>   - ltp-syscalls/pwritev03_64
>   - ltp-syscalls/preadv03_64
> 
> Reported-by: Linux Kernel Functional Testing <[email-masked]>

Yes, this is what Stephen noticed, it is a merge resolution problem
in linux-next

https://lore.kernel.org/all/[email-masked]/

Jason