On Fri, Oct 08, 2021 at 09:43:59AM +0200, David Hildenbrand wrote: > I'm going to point out that we already do have names for memfds. I just did the same here[1]. :P > [...] It's also displayed in /proc/self/maps. I missed that part! /me screams forever We really need to filter this at creation time. :( At least seq_file_path() escapes "\n" for it, but not "\r", so humans on a terminal could get very confused... $ ./memfd '^M0000000000000000-ffffffffffffffff rwxp 00000000 00:00 0 [stack]' & [1] 2953833 $ cat /proc/2953833/maps ... 0000000000000000-ffffffffffffffff rwxp 00000000 00:00 0 [stack] (deleted) ... -Kees [1] https://lore.kernel.org/lkml/202110081344.FE6A7A82@keescook -- Kees Cook