Hi Greg and Sasha, On Tue, 10 Aug 2021 16:45:34 +0000 SeongJae Park <sj38.park@xxxxxxxxx> wrote: > From: SeongJae Park <sjpark@xxxxxxxxx> > > When running a test program, 'run_one()' checks if the program has the > execution permission and fails if it doesn't. However, it's easy to > mistakenly missing the permission, as some common tools like 'diff' > don't support the permission change well[1]. Compared to that, making > mistakes in the test program's path would only rare, as those are > explicitly listed in 'TEST_PROGS'. Therefore, it might make more sense > to resolve the situation on our own and run the program. > > For the reason, this commit makes the test program runner function to > still print the warning message but try parsing the interpreter of the > program and explicitly run it with the interpreter, in the case. > > [1] https://lore.kernel.org/mm-commits/YRJisBs9AunccCD4@xxxxxxxxx/ > > Suggested-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > Signed-off-by: SeongJae Park <sjpark@xxxxxxxxx> This patch has merged into the mainline by the commit 303f8e2d0200 ("selftests/kselftest/runner/run_one(): allow running non-executable files"). However, this patch has not added to v5.15.y, while there are some selftests having no execution permission, including that for DAMON. As a result, the selftests always fail unless this patch is manually applied. Could you please add this patch to v5.15.y? I confirmed this patch can cleanly cherry-picked on the latest v5.15.y. Thanks, SJ