On Fri, Aug 28, 2026 at 03:43:40PM +0200, Alexander Gordeev wrote: > This patch increasingly looks as a regression on s390. > We are hitting this once in a while when running the ftrace selftests: [...] > I did not manage to come up with a reproducer - if you have any idea, > please let me know.
Sent a fix: https://lore.kernel.org/all/[email protected]/ It's the deferred trace_event_put_ref() reading file->event_call after the instance rmdir already freed the trace_event_file. Could you give it a run?
