Re: [PATCH] Fix invalid-free in bcsp_close()

From: Marcel Holtmann
Date: Mon Nov 04 2019 - 09:19:55 EST


Hi Tomas,

> Syzbot reported an invalid-free that I introduced fixing a memleak.
>
> bcsp_recv() also frees bcsp->rx_skb but never nullifies its value.
> Nullify bcsp->rx_skb every time it is freed.
>
> Signed-off-by: Tomas Bortoli <tomasbortoli@xxxxxxxxx>
> Reported-by: syzbot+a0d209a4676664613e76@xxxxxxxxxxxxxxxxxxxxxxxxx
> ---
> drivers/bluetooth/hci_bcsp.c | 3 +++
> 1 file changed, 3 insertions(+)

patch has been applied to bluetooth-next tree.

Regards

Marcel