Re: [PATCH v5 1/1] selftests/mm/uffd: Refactor non-composite global vars into struct

On Tue Jun 17, 2025 at 5:22 PM UTC, Peter Xu wrote:

ERROR: munmap (errno=22, @uffd-common.c:277)

Looks the same as what I reported here:

https://lore.kernel.org/all/DAITJKYRQMFD.OLOUWS7UPGVD@google.com/

Ujwal, can you reproduce these issues and have a look?

The script I mentioned in that other mail should help with this:

https://github.com/bjackman/linux/blob/github-base/.github/scripts/run_local...

That's my hacky attempt at a "hermetic" runner for these tests, it ought to let you get the exact Kconfig, userspace, and QEMU command that I used when I hit the issue.

The GitHub workflow definition shows how to get its dependencies installed on a Debian-alike:

https://github.com/bjackman/linux/blob/github-base/.github/workflows/test.ya...