[Linux-kernel-mentees] [PATCH] bluetooth: hci_h5: close serdev device and free hu in h5_close

Marcel Holtmann marcel at holtmann.org
Thu Oct 1 07:08:24 UTC 2020


Hi Anant,

> When h5_close() gets called, the memory allocated for the hu gets 
> freed only if hu->serdev doesn't exist. This leads to a memory leak.
> So when h5_close() is requested, close the serdev device instance and
> free the memory allocated to the hu entirely instead.
> 
> Fixes: https://syzkaller.appspot.com/bug?extid=6ce141c55b2f7aafd1c4
> Reported-by: syzbot+6ce141c55b2f7aafd1c4 at syzkaller.appspotmail.com
> Tested-by: syzbot+6ce141c55b2f7aafd1c4 at syzkaller.appspotmail.com
> Signed-off-by: Anant Thazhemadam <anant.thazhemadam at gmail.com>
> ---
> drivers/bluetooth/hci_h5.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)

patch has been applied to bluetooth-next tree.

Regards

Marcel



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