From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3CE45C001DE for ; Fri, 18 Aug 2023 04:41:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1357870AbjHREkP (ORCPT ); Fri, 18 Aug 2023 00:40:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38812 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1357863AbjHREjh (ORCPT ); Fri, 18 Aug 2023 00:39:37 -0400 Received: from mail-pl1-f197.google.com (mail-pl1-f197.google.com [209.85.214.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CE2863AA7 for ; Thu, 17 Aug 2023 21:39:36 -0700 (PDT) Received: by mail-pl1-f197.google.com with SMTP id d9443c01a7336-1bbb97d27d6so7181495ad.1 for ; Thu, 17 Aug 2023 21:39:36 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692333576; x=1692938376; h=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=dvFwXjLMYeqdlXwre0HE3uWwxv+R86ki6i68P3Vs0+0=; b=G/5ggaXiG3ltYlp1OVhcwdJSPTT0+4qpshwkjeoMVsCAWYKtdzhi6+mQAl9QCfNQ8k JS0wBsmacq9Gu76neS2Pnna3NuX0o1QTaXSDIGYtx/y3HJsGr7630/lkG29r4h7HlGI7 5Ms4KufvIjUFECLSKAOnnV5QQLYiTxVKXYFKlYB5s1MCU+fJKwYRb357yyPlzOfVsUlW HIfIUMvtV0QYLnM9VZxiM0231c5uKVe/xxDGbCm8RY9noHcGePXJRc45eFu2gpoERbBf hSUPeNSCovcttOWR8AeY6ruS8dAy04NMKLOKUdVV+oh43ygbzkTvicSIfvXXC7hTqFV6 cz5w== X-Gm-Message-State: AOJu0YwLNynzUSvuREbZPQ20vYRmiI1gbJ2O19mfYgHaigwJHXcUSTc9 OskDNiBfZMhR5BmuyRYtS3ITV4JPpns2V2oPl57e0V2d48wo X-Google-Smtp-Source: AGHT+IEOWZ9TR7uxnnrr5o2vN1zMwhChrSWkI3uvdoJ384ju6Mbmly2riQQtj6/6k2K4DgTVbAMNubudY8qv1xdOJsYBGe16jePd MIME-Version: 1.0 X-Received: by 2002:a17:902:da92:b0:1b9:e8e5:b0a4 with SMTP id j18-20020a170902da9200b001b9e8e5b0a4mr573998plx.8.1692333576338; Thu, 17 Aug 2023 21:39:36 -0700 (PDT) Date: Thu, 17 Aug 2023 21:39:36 -0700 In-Reply-To: <00000000000013b93805fbbadc50@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a8c57a06032b1dd2@google.com> Subject: Re: [syzbot] [bluetooth?] KASAN: slab-use-after-free Write in sco_chan_del 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, lrh2000@pku.edu.cn, luiz.dentz@gmail.com, luiz.von.dentz@intel.com, marcel@holtmann.org, netdev@vger.kernel.org, pabeni@redhat.com, pav@iki.fi, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this issue to: commit 45c37c4e9c9aab5bb1cf5778d8e5ebd9f9ad820a Author: Luiz Augusto von Dentz Date: Wed Aug 9 23:49:33 2023 +0000 Bluetooth: hci_sync: Fix UAF in hci_disconnect_all_sync bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1331e265a80000 start commit: 47762f086974 Add linux-next specific files for 20230817 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=10b1e265a80000 console output: https://syzkaller.appspot.com/x/log.txt?x=1731e265a80000 kernel config: https://syzkaller.appspot.com/x/.config?x=ed03cf326b3ef94c dashboard link: https://syzkaller.appspot.com/bug?extid=cf54c1da6574b6c1b049 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1125bc65a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14ce8f03a80000 Reported-by: syzbot+cf54c1da6574b6c1b049@syzkaller.appspotmail.com Fixes: 45c37c4e9c9a ("Bluetooth: hci_sync: Fix UAF in hci_disconnect_all_sync") For information about bisection process see: https://goo.gl/tpsmEJ#bisection