> [cc'ing folks whose proc files are affected]
>
> kallsyms_lookup() can call module_address_lookup() which iterates over
> modules list without module_mutex taken. Comment at the top of
> module_address_lookup() says it's for oops resolution so races are
> irrelevant, but in some cases it's reachable from regular code:
looking at the problem from another angle: wouldnt this be something
that would benefit from freeze_processes()/unfreeze_processes(), and
hence no locking would be required?
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