Re: [syzbot] [bluetooth?] possible deadlock in sco_conn_del

From: syzbot
Date: Fri Jun 16 2023 - 11:10:34 EST


syzbot suspects this issue was fixed by commit:

commit a2ac591cb4d83e1f2d4b4adb3c14b2c79764650a
Author: Ruihan Li <lrh2000@xxxxxxxxxx>
Date: Wed May 3 13:39:36 2023 +0000

Bluetooth: Fix UAF in hci_conn_hash_flush again

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13755717280000
start commit: e4cf7c25bae5 Merge tag 'kbuild-fixes-v6.2' of git://git.ke..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=555d27e379d75ff1
dashboard link: https://syzkaller.appspot.com/bug?extid=b825d87fe2d043e3e652
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10052058480000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1190687c480000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: Bluetooth: Fix UAF in hci_conn_hash_flush again

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