On Thu, Jul 19, 2007 at 03:03:55PM -0700, Andrew Morton wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=8782
[fsnotify and /proc]
> > --- linux-2.6.15/fs/proc/base.c
> > +++ linux-2.6.15.4/fs/proc/base.c
> > @@ -1945,6 +1945,7 @@
> > if(proc_dentry != NULL) {
> > shrink_dcache_parent(proc_dentry);
> > dput(proc_dentry);
> > + fsnotify_nameremove (proc_dentry, 1);
> > }
>
> I wonder if this is racy - after the dput() we might no longer have a
> reference?
It is indeed racy. dput() => kill_it: => d_kill() => d_free() =>
__d_free() eventually. *boom*
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