Messages in this thread | | | Date | Sat, 7 Oct 2000 01:06:33 +0200 | From | Pavel Machek <> | Subject | Re: one-line umount patch needed for am-utils |
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Hi!
> > It's kind of silly and an abuse of the VFS, I agree. Unfortunately, it's > > been around for a while, it works on other systems and real people are > > using it. And they get a nasty surprise when they try it on Linux: the > > amd-provided NFS filesystems cannot be unmounted, because the VFS umount > > code follows the root symlink. > > So fix amd and teach it not to do that.
This is kernel bug. It allows root to (easily) get into situation when he can't unmount filesystem. While we allow root to shoot into his foot (-:), this is much too easy.
Pavel -- I'm pavel@ucw.cz. "In my country we have almost anarchy and I don't care." Panos Katsaloulis describing me w.r.t. patents at discuss@linmodems.org - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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