crush: ensure take bucket value is valid
BugLink: https://bugs.launchpad.net/bugs/1728739 Ensure that the take argument is a valid bucket ID before indexing the buckets array. Reflects ceph.git commit 93ec538e8a667699876b72459b8ad78966d89c61. Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Reviewed-by: Sage Weil <sage@redhat.com> (cherry picked from commit 56a4f309) Signed-off-by: Billy Olsen <billy.olsen@canonical.com> Acked-by: Stefan Bader <stefan.bader@canonical.com> Acked-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com> Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
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