linux-kernel - Re: [syzbot] [ntfs3?] kernel panic: stack is corrupted in debug_object_active

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Message-ID: <68a1741c.050a0220.e29e5.005d.GAE@google.com>
Date: Sat, 16 Aug 2025 23:18:04 -0700
From: syzbot <syzbot+56728135217003dc6f7d@...kaller.appspotmail.com>
To: almaz.alexandrovich@...agon-software.com, davem@...emloft.net, 
	johan.hedberg@...il.com, kuba@...nel.org, linma@....edu.cn, 
	linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org, 
	luiz.dentz@...il.com, marcel@...tmann.org, netdev@...r.kernel.org, 
	ntfs3@...ts.linux.dev, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [ntfs3?] kernel panic: stack is corrupted in debug_object_active_state

syzbot has bisected this issue to:

commit e305509e678b3a4af2b3cfd410f409f7cdaabb52
Author: Lin Ma <linma@....edu.cn>
Date:   Sun May 30 13:37:43 2021 +0000

    Bluetooth: use correct lock to prevent UAF of hdev object

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=10c6e234580000
start commit:   ee94b00c1a64 Merge tag 'block-6.17-20250815' of git://git...
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=12c6e234580000
console output: https://syzkaller.appspot.com/x/log.txt?x=14c6e234580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=98e114f4eb77e551
dashboard link: https://syzkaller.appspot.com/bug?extid=56728135217003dc6f7d
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=118d2234580000

Reported-by: syzbot+56728135217003dc6f7d@...kaller.appspotmail.com
Fixes: e305509e678b ("Bluetooth: use correct lock to prevent UAF of hdev object")

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