That's a known problem. Strictly confined snaps are not allowed to read/write to the system-wide /tmp, that would open the door to spying on other applications and more advanced malicious behaviours. Hence /tmp being remapped to /tmp/snap.chromium/tmp.
This is discussed in details there: https://forum.snapcraft.io/t /sharing-files-via-tmp/1613. ** Changed in: chromium-browser (Ubuntu) Status: New => Won't Fix -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1849437 Title: [snap] user has no permissions to open downloaded files if download folder is set to /tmp To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/1849437/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
