From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B5BE47B3EE for ; Thu, 8 Feb 2024 15:32:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707406327; cv=none; b=DZciJ3ODstix0pDu9lAZAlJUwCIzkHdIYPoKCLrxyiEWdMY7BNfDoiyjUdcpoCPjCXgZjBr9yf4d2j2eO9XBPvXzKqiXHWhlkhDnvFAHztTYYGRAKD/EMa+TtJQKSc6IixAnSnsqcjIKwQ44f4fiJlcEUUpeB9DMDHyd9cG711U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707406327; c=relaxed/simple; bh=fjsov3uRgEiW3nYU2LA5ZmDxMOxNF1PFM1P2zKSNJWE=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=Y8wz+eWDSpiDghQtzocd6nzHFVZLkw7S/gbO7y+w6uIYV4GFyvUNC7s18z4GbM4ATq5t39oMlj7PVEKX5NecR7e5w6DVyXAJEYJixAB2VMB+wMVLFJhp63/UADPrvAPTC6dXqaQyeQbrhAma6be+rGnGWo/FTfqorcbxzR/LL2M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.198 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f198.google.com with SMTP id e9e14a558f8ab-363d6348a07so15329895ab.3 for ; Thu, 08 Feb 2024 07:32:05 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707406325; x=1708011125; h=content-transfer-encoding:to:from:subject:message-id:in-reply-to :date:mime-version:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=J13MMIPfh9m7LdVejmcRDcZr7MHiXnjkLGh32J/ubZA=; b=XhoGk8R0JAg1jQoKsk6ne3fqT1x+mWbjrTXQjEkfrz1O5S45GKeAmG9iKh7leZZ4i5 EmHvJW+pr8U31StZwCbTnlICSA+v9PyXoAz20+U7qt6gNFmimfSo2ItRkOq+B0yJSQZ2 IhpyCDZ0vRn48oYaA2301DjaHZMS/EIGzXYv2iR5kZ2czmJ/TAbURE+ZtKZBdLgcJVuN 9OS3Ef5WR4GXIYlWGNoAvp9wU/PLViEjMb1Tp+JZpu6jdriB1vQmralNWp7EznJE9KP2 HXMLzT2uJD6zsMl3jBA1oKY9bSMIuLySpSjIlEy/zjQasSjUdHNchXgT7VajlScLzbY8 DHtg== X-Gm-Message-State: AOJu0YxH7SpXtHuDqFyH7ikYuL2II+zpZLlbqiQi/yuw84AE1F2OObrF sRE2rXsq2s+lIOsTf8eZP9uoUVpQziLS8HBohhfe6SzRj6IAZnmGJPAaaokqPDkTkSZZsewFPGB qPJMwmj0cQ9Zs1pGVSlAKTCLCxRcaGFTBumnJ+7OXYXGvcEDqM+UpLuQ= X-Google-Smtp-Source: AGHT+IEXxARntCtqw9oujDkbqJu9ADvKd22NWzIad3D7h/2PbUtbLKRNZ1E6fc45LDIqWXP+mEWNhrOSFdMlCPfWKUfh+NZCzaLl Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1c87:b0:363:b51a:7e59 with SMTP id w7-20020a056e021c8700b00363b51a7e59mr638787ill.0.1707406324981; Thu, 08 Feb 2024 07:32:04 -0800 (PST) Date: Thu, 08 Feb 2024 07:32:04 -0800 In-Reply-To: <000000000000b7b62e0610db6b8a@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000007cea730610e083e8@google.com> Subject: Re: [syzbot] [bluetooth?] KASAN: slab-use-after-free Write in __hci_acl_create_connection_sync From: syzbot To: davem@davemloft.net, edumazet@google.com, johan.hedberg@gmail.com, kuba@kernel.org, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, luiz.dentz@gmail.com, luiz.von.dentz@intel.com, marcel@holtmann.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com, verdre@v0yd.nl Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable syzbot has bisected this issue to: commit 456561ba8e495e9320c1f304bf1cd3d1043cbe7b Author: Jonas Dre=C3=9Fler Date: Tue Feb 6 11:08:13 2024 +0000 Bluetooth: hci_conn: Only do ACL connections sequentially bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=3D154f85501800= 00 start commit: b1d3a0e70c38 Add linux-next specific files for 20240208 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=3D174f85501800= 00 console output: https://syzkaller.appspot.com/x/log.txt?x=3D134f8550180000 kernel config: https://syzkaller.appspot.com/x/.config?x=3Dbb693ba195662a0= 6 dashboard link: https://syzkaller.appspot.com/bug?extid=3D3f0a39be7a2035700= 868 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=3D11d95147e8000= 0 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=3D107c2d8fe80000 Reported-by: syzbot+3f0a39be7a2035700868@syzkaller.appspotmail.com Fixes: 456561ba8e49 ("Bluetooth: hci_conn: Only do ACL connections sequenti= ally") For information about bisection process see: https://goo.gl/tpsmEJ#bisectio= n