linux-kernel - Re: [syzbot] [bluetooth?] KASAN: slab-use-after-free Write in __sco_sock

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Message-ID: <0000000000007fd73e060b1d08ec@google.com>
Date:   Sun, 26 Nov 2023 23:13:04 -0800
From:   syzbot <syzbot+dec4d528fb7a7c5d8ce3@...kaller.appspotmail.com>
To:     davem@...emloft.net, eadavis@...a.com, edumazet@...gle.com,
        hdanton@...a.com, johan.hedberg@...il.com, kuba@...nel.org,
        linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org,
        luiz.dentz@...il.com, luiz.von.dentz@...el.com,
        marcel@...tmann.org, netdev@...r.kernel.org, pabeni@...hat.com,
        pav@....fi, syzkaller-bugs@...glegroups.com,
        william.xuanziyang@...wei.com
Subject: Re: [syzbot] [bluetooth?] KASAN: slab-use-after-free Write in __sco_sock_close

syzbot suspects this issue was fixed by commit:

commit 181a42edddf51d5d9697ecdf365d72ebeab5afb0
Author: Ziyang Xuan <william.xuanziyang@...wei.com>
Date:   Wed Oct 11 09:57:31 2023 +0000

    Bluetooth: Make handle of hci_conn be unique

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=140ffa0ce80000
start commit:   bd6c11bc43c4 Merge tag 'net-next-6.6' of git://git.kernel...
git tree:       net-next
kernel config:  https://syzkaller.appspot.com/x/.config?x=634e05b4025da9da
dashboard link: https://syzkaller.appspot.com/bug?extid=dec4d528fb7a7c5d8ce3
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=145586a8680000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13bf8dffa80000

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

#syz fix: Bluetooth: Make handle of hci_conn be unique

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