On Wed, Feb 12, 2020 at 08:15:08PM +0100, Florian Weimer wrote: > | Further, I've found some inconsistent behavior with ext4: chmod on the > | magic symlink fails with EOPNOTSUPP as in Florian's test, but fchmod > | on the O_PATH fd succeeds and changes the symlink mode. This is with > | 5.4. Cany anyone else confirm this? Is it a problem? > > It looks broken to me because fchmod (as an inode-changing operation) > is not supposed to work on O_PATH descriptors. Why? O_PATH does have an associated inode just fine; where does that "not supposed to" come from?
