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 8B6D83D9F for ; Fri, 22 Sep 2023 12:01:30 +0000 (UTC) Received: from mail-oo1-f69.google.com (mail-oo1-f69.google.com [209.85.161.69]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7D66E19B for ; Fri, 22 Sep 2023 05:01:29 -0700 (PDT) Received: by mail-oo1-f69.google.com with SMTP id 006d021491bc7-57b6d19955bso1210421eaf.1 for ; Fri, 22 Sep 2023 05:01:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695384088; x=1695988888; 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=jj2QWvmiK+0WWAcmrF4T0yz3RCgK8HWXoA++/rR1IPw=; b=QNitjobuhNFxEGc9JUip5vrAYNSvBLC3DGYypFuMXvVaoJ6yD3GB4z4uwWfjXUOjBl kj33W8WWjpuE9hIAPhMpTCMSlWQ+8yMr70mXzoyqG8lhquBc+VWO1ojDG8lyLlA0DWI0 X1ItzGbjoJq8N813FFfO5uW6aeQoyBN9YfpxITa4qAXYZ1Yh8PQzrCxZEBUARgEFHio8 /0FIQIf0S+GHdSFe/kI4k/SK9dde2kmZufii6Ibh6VgYP2Lrao6IHY/jDiwq8S6N1XYU akQk7WUm+EYGlbSgkdToqpiENAngCWMN+H7rtUPq5Iy5QcgKT2pZkj5i/KFejPAOMxnS UPBg== X-Gm-Message-State: AOJu0YzjfpYoQRjoxaM+BgAH/FhpeOD+2zgbE10PkQGa4oFi+t/O803E syqhuoxjGvslSAAx87tOBe11QSILr4Eh0u82LnTV4iWvMRbh X-Google-Smtp-Source: AGHT+IGQtOov5rgUCSHUmJaUiEHw6Xxzi7sjyCjTogbyObjGLfUVrtFsovgvSWXfW6nmE42beN87+I5IFZm0BLhP45xFVBRc0qio Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6870:954d:b0:1d6:41c0:c9bf with SMTP id v13-20020a056870954d00b001d641c0c9bfmr3173482oal.5.1695384088583; Fri, 22 Sep 2023 05:01:28 -0700 (PDT) Date: Fri, 22 Sep 2023 05:01:28 -0700 In-Reply-To: <000000000000140b1405fce42c66@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000005be6710605f15e50@google.com> Subject: Re: [syzbot] [bluetooth?] KASAN: slab-use-after-free Write in sco_conn_del From: syzbot To: davem@davemloft.net, edumazet@google.com, hdanton@sina.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 Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=0.9 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL,SORTED_RECIPS,SPF_HELO_NONE,SPF_PASS,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 has bisected this issue to: commit 9a8ec9e8ebb5a7c0cfbce2d6b4a6b67b2b78e8f3 Author: Luiz Augusto von Dentz Date: Thu Mar 30 21:15:50 2023 +0000 Bluetooth: SCO: Fix possible circular locking dependency on sco_connect_cfm bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10b66646680000 start commit: bd6c11bc43c4 Merge tag 'net-next-6.6' of git://git.kernel... git tree: net-next final oops: https://syzkaller.appspot.com/x/report.txt?x=12b66646680000 console output: https://syzkaller.appspot.com/x/log.txt?x=14b66646680000 kernel config: https://syzkaller.appspot.com/x/.config?x=634e05b4025da9da dashboard link: https://syzkaller.appspot.com/bug?extid=6b9277cad941daf126a2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10f06d04680000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=107fdcd0680000 Reported-by: syzbot+6b9277cad941daf126a2@syzkaller.appspotmail.com Fixes: 9a8ec9e8ebb5 ("Bluetooth: SCO: Fix possible circular locking dependency on sco_connect_cfm") For information about bisection process see: https://goo.gl/tpsmEJ#bisection