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SubjectRe: Linux 2.6.26-rc4
On Tue, Jun 03, 2008 at 12:45:33PM +0200, Miklos Szeredi wrote:

> I think it must be autofs4 doing something weird. Like this in
> autofs4_lookup_unhashed():
> /*
> * Make the rehashed dentry negative so the VFS
> * behaves as it should.
> */
> if (inode) {
> dentry->d_inode = NULL;

Lovely. If we ever step into that with somebody else (no matter who)
holding a reference to that dentry, we are certainly well and truly
buggered. It's not just mount(2) - everything in the tree assumes that
holding a reference to positive dentry guarantees that it remains


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