Control: close -1 On Mon, 26 Aug 2024 15:22:47 +1000 Russell Coker <russ...@coker.com.au> wrote: > Package: systemd > Version: 256.5-1 > Severity: minor > > https://current.workingdirectory.net/posts/2024/who-ate-my-ram/ > > The above blog post from Planet Debian shows an issue that isn't that uncommon > of running out of RAM due to writing to the wrong name under /dev (eg writing > to /dev/nul). > > While the script in question shouldn't do that it would be good to have the > result of doing so not involve making a server unusable. > > The command "mount -o remount,size=10m /dev" reduces the size and potential > wasted RAM to 10M which prevents this sort of thing from becoming a serious > problem and has no downsides that I can imagine. 10M should be more than > enough for the systems with the largest numbers of devices. > > I'm filing this bug report against systemd because it's related to boot > scripts and I can't think of a better target.
This already happens in systemd and has been for a long time, but in debina it is initramfs-tools that mounts /dev, not systemd, so there's nothing that can be done here.
