Hello. On 22.06.21 20:29, Alexander Aring wrote:
Hi, On Tue, 15 Jun 2021 at 22:09, Dongliang Mu <mudongliangabcd@xxxxxxxxx> wrote:No matter from hwsim_remove or hwsim_del_radio_nl, hwsim_del fails to remove the entry in the edges list. Take the example below, phy0, phy1 and e0 will be deleted, resulting in e1 not freed and accessed in the future. hwsim_phys | ------------------------------ | | phy0 (edges) phy1 (edges) ----> e1 (idx = 1) ----> e0 (idx = 0) Fix this by deleting and freeing all the entries in the edges list between hwsim_edge_unsubscribe_me and list_del(&phy->list). Reported-by: syzbot+b80c9959009a9325cdff@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: 1c9f4a3fce77 ("ieee802154: hwsim: fix rcu handling") Signed-off-by: Dongliang Mu <mudongliangabcd@xxxxxxxxx>Acked-by: Alexander Aring <aahringo@xxxxxxxxxx> Thanks!
This patch has been applied to the wpan tree and will be part of the next pull request to net. Thanks! regards Stefan Schmidt
