On Sun, Sep 23, 2012 at 07:30:38AM +0100, Al Viro wrote: > On Sat, Sep 22, 2012 at 10:59:04PM -0700, Eric W. Biederman wrote: > > > The test: > > >> + if (filp->f_vfsmnt->mnt_root == filp->f_dentry) > > kicks in and no redirection is performed. > > Umm... OK, after the first round of recursion. Unless you bind > /something/pts > on /something.
Other way round, of course... E.g. mount --bind /dev /dev/pts mount --bind /dev /dev/pts/pts etc. enough times to overflow the kernel stack on recursion. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
