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

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Message-ID: <000000000000bbb70f060ee8d44b@google.com>
Date: Sun, 14 Jan 2024 06:37:04 -0800
From: syzbot <syzbot+a0c80b06ae2cb8895bc4@...kaller.appspotmail.com>
To: davem@...emloft.net, 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 Read in hci_send_acl

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=127944c1e80000
start commit:   4b2b606075e5 ipv4/fib: send notify when delete source addr..
git tree:       net
kernel config:  https://syzkaller.appspot.com/x/.config?x=d594086f139d167
dashboard link: https://syzkaller.appspot.com/bug?extid=a0c80b06ae2cb8895bc4
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=138aad9e680000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=125e0b92680000

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