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

Anant Thazhemadam anant.thazhemadam at gmail.com
Thu Oct 1 07:15:41 UTC 2020


On 01/10/20 12:38 pm, Marcel Holtmann wrote:
> 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

Great! Thanks :)

Thanks,
Anant


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