> Am 18.07.2022 um 22:12 schrieb Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>: > > On Mon, Jul 18, 2022 at 12:28 PM Miklos Szeredi <miklos@xxxxxxxxxx> wrote: >> >> So this is a bug in the kernel part of fuse, that doesn't catch and >> convert ENOSYS in case of the ioctl request. > > Ahh, even better. No need to worry about external issues. > > Linus My concern was fixing it in fuse instead of ovl would leave non-fuse filesystems affected (even though I don't have proof that such filesystems exist). I'm glad you are OK with Miklos' change; the outcome of this discussion certainly adds some nuance to the famous "don't break userspace" / error code thread from 2012. Best, Christian
