Bluetooth: hci_bcsp: Fix memory leak in rx_skb
authorTomas Bortoli <tomasbortoli@gmail.com>
Tue, 28 May 2019 13:42:58 +0000 (15:42 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 31 Jul 2019 05:28:32 +0000 (07:28 +0200)
commit05b9c7b0059b4bbc2ed638891e910af0bbd7ece7
tree8fb947ef875e7b9ba041077c71b7bdb0ff42913d
parent12fd5c11d3357b21f3bf53b717225c3ae6baee42
Bluetooth: hci_bcsp: Fix memory leak in rx_skb

[ Upstream commit 4ce9146e0370fcd573f0372d9b4e5a211112567c ]

Syzkaller found that it is possible to provoke a memory leak by
never freeing rx_skb in struct bcsp_struct.

Fix by freeing in bcsp_close()

Signed-off-by: Tomas Bortoli <tomasbortoli@gmail.com>
Reported-by: syzbot+98162c885993b72f19c4@syzkaller.appspotmail.com
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/bluetooth/hci_bcsp.c