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From: syzbot <syzbot+cf54c1da6574b6c1b049@syzkaller.appspotmail.com>
To: davem@davemloft.net, edumazet@google.com,
	johan.hedberg@gmail.com, kuba@kernel.org,
	linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org,
	lrh2000@pku.edu.cn, luiz.dentz@gmail.com,
	luiz.von.dentz@intel.com, marcel@holtmann.org,
	netdev@vger.kernel.org, pabeni@redhat.com, pav@iki.fi,
	syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [bluetooth?] KASAN: slab-use-after-free Write in sco_chan_del
Date: Thu, 17 Aug 2023 21:39:36 -0700	[thread overview]
Message-ID: <000000000000a8c57a06032b1dd2@google.com> (raw)
In-Reply-To: <00000000000013b93805fbbadc50@google.com>

syzbot has bisected this issue to:

commit 45c37c4e9c9aab5bb1cf5778d8e5ebd9f9ad820a
Author: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Date:   Wed Aug 9 23:49:33 2023 +0000

    Bluetooth: hci_sync: Fix UAF in hci_disconnect_all_sync

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1331e265a80000
start commit:   47762f086974 Add linux-next specific files for 20230817
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=10b1e265a80000
console output: https://syzkaller.appspot.com/x/log.txt?x=1731e265a80000
kernel config:  https://syzkaller.appspot.com/x/.config?x=ed03cf326b3ef94c
dashboard link: https://syzkaller.appspot.com/bug?extid=cf54c1da6574b6c1b049
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1125bc65a80000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14ce8f03a80000

Reported-by: syzbot+cf54c1da6574b6c1b049@syzkaller.appspotmail.com
Fixes: 45c37c4e9c9a ("Bluetooth: hci_sync: Fix UAF in hci_disconnect_all_sync")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection

  parent reply	other threads:[~2023-08-18  4:41 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-15 12:47 [syzbot] [bluetooth?] KASAN: slab-use-after-free Write in sco_chan_del syzbot
2023-05-15 16:01 ` Ruihan Li
2023-08-17 12:56 ` syzbot
2023-08-18  4:39 ` syzbot [this message]
     [not found] <20230818114835.2133-1-hdanton@sina.com>
2023-08-18 14:05 ` syzbot
     [not found] <20230819014631.2196-1-hdanton@sina.com>
2023-08-19  2:10 ` syzbot
2023-08-19 13:33 [PATCH] Bluetooth: hci_conn: fail SCO/ISO via hci_conn_failed if ACL gone early Pauli Virtanen
2023-08-19 14:01 ` [syzbot] [bluetooth?] KASAN: slab-use-after-free Write in sco_chan_del syzbot

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