syzbot has bisected this issue to:
commit 45c37c4e9c9aab5bb1cf5778d8e5ebd9f9ad820a
Author: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
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@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 45c37c4e9c9a ("Bluetooth: hci_sync: Fix UAF in hci_disconnect_all_sync")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
