> > If I understand part of CRIU correctly, then we only need read-access > > for the current user. I am sure Andrei, Pavel or Cyrill will correct > > me if I am wrong concerning map_files. > If I do "ls -l /proc/self/map_files" I get the link name and link content. > While I can't open /proc/self/map_files/7fbde0c3200-7fbde0c3300 I can read > that it points to /usr/lib64/ld-2.30.so, which is something I can open and > read. Sure, it's an extra step, but it's no big deal. It does raise the > question of what value comes from disallowing open via the symlink.
Reading the symlink doesn't work in two cases: 1) The file has been deleted 2) The file is a memfd file
