tree d695906ddc133bee6c113f495eb1be9818ab02c3
parent f3c0eb05e258c6a48c2d1ef2fa71ffb6ff63cd18
author Pablo Neira Ayuso <pablo@netfilter.org> 1495319830 +0200
committer Pablo Neira Ayuso <pablo@netfilter.org> 1495572854 +0200

netfilter: nft_set_rbtree: handle element re-addition after deletion

The existing code selects no next branch to be inspected when
re-inserting an inactive element into the rb-tree, looping endlessly.
This patch restricts the check for active elements to the EEXIST case
only.

Fixes: e701001e7cbe ("netfilter: nft_rbtree: allow adjacent intervals with dynamic updates")
Reported-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
Tested-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>