From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 98D9079E5 for ; Fri, 16 Jun 2023 15:09:46 +0000 (UTC) Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6E5B93ABA for ; Fri, 16 Jun 2023 08:09:30 -0700 (PDT) Received: by mail-io1-f71.google.com with SMTP id ca18e2360f4ac-77a0fd9d2eeso65471939f.0 for ; Fri, 16 Jun 2023 08:09:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686928169; x=1689520169; 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=Imb23EaY07Gm7MJa4Np4kGVuIs1+xNQBFZQNfFls+gM=; b=GofT4vwnF+t5Uw9pgN2cX2BjEbF8BV4FBoX1Bdj4cW6dLhWCtzpHAu2hQMKztB/eIG eM+qAJvfM5gMCWzLHrUwPB6w+73vgDWYXn9y7VmKoMdTlFcWnAM0Tje/HMXcOBIGs4ON 9RUAhOO6oEsdeTdrUnaADdg+eNRS6S/5SH6lWgSxrio81Q32jeDmDXq9jAAvo99GALfV smAuMm1SZEQQcJIk2oVSUb12Uu/RrPjmDp2FXn1YzQC2A/c7yJnTC4CkPVfa1DtTXyub EB7l/iRLEcHFCY0CqtaO1uZX5AWF+mxj5Vt8sksLhRAwOhrVAAcYERilzGjhWmOI3hf2 jvtQ== X-Gm-Message-State: AC+VfDy5tuN3HJxVXA/Kfu4X9nEwwQwqGm/4Vrx44JGqRxGBRp7eRG4a lHqNPXOKsGL5aTWn6PFUl7AR9x4RAATh4KBcpvVSp70FMqSx X-Google-Smtp-Source: ACHHUZ74+dXyvXDTGc+FFJWwCq4aB7E4QHdfr+P5b8tR/ce1Zt3HbjyX4nIZUMIKXW6jGatIamaZTBC88weu2rXjtpNJxD+nybqE Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a02:a119:0:b0:423:13e1:8092 with SMTP id f25-20020a02a119000000b0042313e18092mr696867jag.5.1686928169697; Fri, 16 Jun 2023 08:09:29 -0700 (PDT) Date: Fri, 16 Jun 2023 08:09:29 -0700 In-Reply-To: <00000000000098289005dc17b71b@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000051087405fe4092cc@google.com> Subject: Re: [syzbot] [bluetooth?] possible deadlock in sco_conn_del From: syzbot To: davem@davemloft.net, edumazet@google.com, fgheet255t@gmail.com, hdanton@sina.com, johan.hedberg@gmail.com, josephsih@chromium.org, 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, syzkaller-bugs@googlegroups.com, yinghsu@chromium.org Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2, SORTED_RECIPS,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net syzbot suspects this issue was fixed by commit: commit a2ac591cb4d83e1f2d4b4adb3c14b2c79764650a Author: Ruihan Li Date: Wed May 3 13:39:36 2023 +0000 Bluetooth: Fix UAF in hci_conn_hash_flush again bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13755717280000 start commit: e4cf7c25bae5 Merge tag 'kbuild-fixes-v6.2' of git://git.ke.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=555d27e379d75ff1 dashboard link: https://syzkaller.appspot.com/bug?extid=b825d87fe2d043e3e652 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10052058480000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1190687c480000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: Bluetooth: Fix UAF in hci_conn_hash_flush again For information about bisection process see: https://goo.gl/tpsmEJ#bisection