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 AF9F6C83F38 for ; Thu, 31 Aug 2023 18:07:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346863AbjHaSH3 (ORCPT ); Thu, 31 Aug 2023 14:07:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46232 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245202AbjHaSH2 (ORCPT ); Thu, 31 Aug 2023 14:07:28 -0400 Received: from mail-pf1-f197.google.com (mail-pf1-f197.google.com [209.85.210.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2BEEBE61 for ; Thu, 31 Aug 2023 11:07:26 -0700 (PDT) Received: by mail-pf1-f197.google.com with SMTP id d2e1a72fcca58-68a3b41fa66so1202767b3a.2 for ; Thu, 31 Aug 2023 11:07:26 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1693505245; x=1694110045; 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=njfYBBE85fdBpuB5EzpnYY/diSr1FYw5dCw1nUvq2Vk=; b=QphZmvqh3yxK7Z2KSHeo0kBDAibTNJo2BVsoe8NWz200LkVT87LtR/nVZZdnEij/6P ZndAiOtB9B7qCySstyr9/qTuArJxVzKyA0QQ+P860eCKFShC25+AqALNRYa+4vKBPc22 2985kAKXPHwHTznGjXQC4qaq3aZyD5pUO4F8q6+OZ7SY/0ROpbywdHiIB7tS0/hBlf8y B+uV0QQz0TfzfX9qxhvn46JFJtaloYe+Fnqo+7rpkFsi7z60A3lhd/SNjS7WueZ7g7qB 73j/P11In7gvjL5G8Ik7RM+vAstxKgf8S1S/LGODdelqr+PU6oxrK4dJ4QGcwQCq6fOJ VudQ== X-Gm-Message-State: AOJu0YyaZEN3Gx3KJ0bnrDuE0KH4oL5UF1m+JN/rGo84RbEX4QyPUOux UB9BNfd4PYKKZOnVDCMlYGDBqRw0p0GZWh7GscgUvuwu1xQS X-Google-Smtp-Source: AGHT+IH8JEjKbyJOwR1AlsPkocQN5FnvA4GhXUZ7IAxgSPkZ0enwK1JVxfvdTuJyfySOUsuV1deb5dA+CsZkb7VxauvFD9EKxUhZ MIME-Version: 1.0 X-Received: by 2002:a05:6a00:3997:b0:68a:58e1:ebf5 with SMTP id fi23-20020a056a00399700b0068a58e1ebf5mr176877pfb.2.1693505245662; Thu, 31 Aug 2023 11:07:25 -0700 (PDT) Date: Thu, 31 Aug 2023 11:07:25 -0700 In-Reply-To: <0000000000005ab984060371583e@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000097e45506043beaeb@google.com> Subject: Re: [syzbot] [bluetooth?] KASAN: slab-use-after-free Read in hci_send_acl From: syzbot To: hdanton@sina.com, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, luiz.dentz@gmail.com, luiz.von.dentz@intel.com, marcel@holtmann.org, pav@iki.fi, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@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=1042c5ffa80000 start commit: 7271b2a53042 Add linux-next specific files for 20230818 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=1242c5ffa80000 console output: https://syzkaller.appspot.com/x/log.txt?x=1442c5ffa80000 kernel config: https://syzkaller.appspot.com/x/.config?x=1936af09cdef7dd6 dashboard link: https://syzkaller.appspot.com/bug?extid=a0c80b06ae2cb8895bc4 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13506923a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=147569efa80000 Reported-by: syzbot+a0c80b06ae2cb8895bc4@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