netdev - Re: [syzbot] INFO: task hung in hci_req

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Message-ID: <568c354b-6e4b-d15a-613e-3389c99a93a1@gmail.com>
Date:   Mon, 16 Aug 2021 23:00:50 +0300
From:   Pavel Skripkin <paskripkin@...il.com>
To:     Marcel Holtmann <marcel@...tmann.org>
Cc:     syzbot <syzbot+be2baed593ea56c6a84c@...kaller.appspotmail.com>,
        "David S. Miller" <davem@...emloft.net>,
        Johan Hedberg <johan.hedberg@...il.com>, kuba@...nel.org,
        linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>,
        netdev@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] INFO: task hung in hci_req_sync

On 8/16/21 6:56 PM, Marcel Holtmann wrote:
> Hi Pavel,
> 

[snip]

> I agree. Feel free to send a patch.
> 

Thank you, Marcel! I will send a patch if it will pass syzbot testing.

I believe, 60 seconds will be more than enough for inquiry request. I've 
searched for examples on the internet and maximum ir.length I found was 
8. Maybe, we have users, which need more than 60 seconds, idk...



#syz test
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master




With regards,
Pavel Skripkin

View attachment "0001-Bluetooth-add-timeout-sanity-check-to-hci_inquiry.patch" of type "text/x-patch" (1252 bytes)