ce268825539ebb94ed9755b9e78480abd863ece1
We already do that in get_process_cmdline(), which is very similar in behaviour otherwise. Hence, let's be safe and also filter them in get_process_comm(). Let's try to retain as much information as we can though and escape rather than suppress unprintable characters. Let's not increase comm names beyond the kernel limit on such names however. Also see discussion about this here: https://marc.info/?l=linux-api&m=152649570404881&w=2
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