Re: [PATCH v2] Bluetooth: add timeout sanity check to hci_inquiry

[Marcel Holtmann]

Hi Pavel,

> Syzbot hit "task hung" bug in hci_req_sync(). The problem was in
> unreasonable huge inquiry timeout passed from userspace.
> Fix it by adding sanity check for timeout value to hci_inquiry().
> 
> Since hci_inquiry() is the only user of hci_req_sync() with user
> controlled timeout value, it makes sense to check timeout value in
> hci_inquiry() and don't touch hci_req_sync().
> 
> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> Reported-and-tested-by: syzbot+be2baed593ea56c6a84c@xxxxxxxxxxxxxxxxxxxxxxxxx
> Signed-off-by: Pavel Skripkin <paskripkin@xxxxxxxxx>
> ---
> 
> Changes in v2:
> 	Removed define + added comment suggested by Marcel
> 
> ---
> net/bluetooth/hci_core.c | 6 ++++++
> 1 file changed, 6 insertions(+)

patch has been applied to bluetooth-next tree.

Regards

Marcel