From: Edward Adam Davis <eadavis@qq.com>
To: paskripkin@gmail.com
Cc: davem@davemloft.net, eadavis@qq.com, edumazet@google.com,
johan.hedberg@gmail.com, kuba@kernel.org,
linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org,
luiz.dentz@gmail.com, luiz.von.dentz@intel.com,
marcel@holtmann.org, netdev@vger.kernel.org, pabeni@redhat.com,
syzbot+b2545b087a01a7319474@syzkaller.appspotmail.com,
syzkaller-bugs@googlegroups.com, william.xuanziyang@huawei.com
Subject: Re: [syzbot] [bluetooth?] WARNING in hci_conn_del
Date: Sun, 16 Jun 2024 21:18:26 +0800 [thread overview]
Message-ID: <tencent_FFD6C6DB52C846598999EEF3AEC04CBFE706@qq.com> (raw)
In-Reply-To: <fcdde042-6424-46a8-9fa6-e4f4021b0717@gmail.com>
On Sun, 16 Jun 2024 13:37:17 +0300, Pavel Skripkin wrote:
> > hci_le_big_sync_established_evt is necessary to filter out cases where the handle
> > value is belone to ida id range, otherwise ida will be erroneously released in
> > hci_conn_cleanup.
> >
> > Fixes: 181a42edddf5 ("Bluetooth: Make handle of hci_conn be unique")
> > Reported-by: syzbot+b2545b087a01a7319474@syzkaller.appspotmail.com
> > Signed-off-by: Edward Adam Davis <eadavis@qq.com>
> > ---
>
> There is one more user of `hci_conn_add` which may pass too big handle
> which is `hci_le_cis_req_evt`.
This case only affect hci_le_big_sync_established_evt.
--
Edward
prev parent reply other threads:[~2024-06-16 13:23 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-28 4:53 [syzbot] [bluetooth?] WARNING in hci_conn_del syzbot
2024-06-16 10:20 ` [PATCH] bluetooth: handle value within the ida range should not be handled in BIG Edward Adam Davis
2024-06-16 10:37 ` Pavel Skripkin
2024-06-16 13:18 ` Edward Adam Davis [this message]
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