kraken: cephfs: client: segfault on ceph_rmdir path / #13030
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The segfaulting in the rmdir function is caused by calling filepath::last_dentry() function. last_dentry() function assumes that the bits vector has always at least one element, which is not the case for the the filepath object created with "/" input. This commit also fixes other functions affected by this bug: link, unlink, rename, mkdir, mknod and symlink. Fixes: http://tracker.ceph.com/issues/9935 Signed-off-by: Michal Jarzabek <stiopa@gmail.com> (cherry picked from commit 6ed7f23)
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http://tracker.ceph.com/issues/18612