Messages in this thread | | | Subject | Re: [PATCH] Bluetooth: hci_sock: purge socket queues in the destruct() callback | From | Marcel Holtmann <> | Date | Tue, 12 Oct 2021 17:38:45 +0200 |
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Hi Nguyen,
> The receive path may take the socket right before hci_sock_release(), > but it may enqueue the packets to the socket queues after the call to > skb_queue_purge(), therefore the socket can be destroyed without clear > its queues completely. > > Moving these skb_queue_purge() to the hci_sock_destruct() will fix this > issue, because nothing is referencing the socket at this point. > > Signed-off-by: Nguyen Dinh Phi <phind.uet@gmail.com> > Reported-by: syzbot+4c4ffd1e1094dae61035@syzkaller.appspotmail.com > --- > net/bluetooth/hci_sock.c | 11 +++++++---- > 1 file changed, 7 insertions(+), 4 deletions(-)
patch has been applied to bluetooth-next tree.
Regards
Marcel
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