linux-kernel - Re: KASAN: use-after-free Read in hci_chan

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Message-ID: <20210608085310.GA1955@kadam>
Date:   Tue, 8 Jun 2021 11:53:10 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     "Jason A. Donenfeld" <Jason@...c4.com>
Cc:     SyzScope <syzscope@...il.com>,
        syzbot <syzbot+305a91e025a73e4fd6ce@...kaller.appspotmail.com>,
        davem@...emloft.net, johan.hedberg@...il.com, kuba@...nel.org,
        linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org,
        marcel@...tmann.org, netdev@...r.kernel.org,
        syzkaller-bugs@...glegroups.com,
        kernel-hardening@...ts.openwall.com
Subject: Re: KASAN: use-after-free Read in hci_chan_del

This SyzScope stuff could be good in theory and it could be something
useful with more work.  But in real life terms do you know anyone who
looked at "use-after-free Read in hci_chan_del" and thought, "Oh that
sounds totally harmless."

regards,
dan carpenter