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 80703C76196 for ; Sun, 26 Mar 2023 00:49:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229925AbjCZAq1 (ORCPT ); Sat, 25 Mar 2023 20:46:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50684 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229564AbjCZAqZ (ORCPT ); Sat, 25 Mar 2023 20:46:25 -0400 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 65F327EC6 for ; Sat, 25 Mar 2023 17:46:24 -0700 (PDT) Received: by mail-io1-f70.google.com with SMTP id y69-20020a6bc848000000b00758ac1b67f8so3348561iof.17 for ; Sat, 25 Mar 2023 17:46:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679791583; 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=d15GJEJLrbSuQbr+AyveUByn8eaLHxEndF8G5qdETKg=; b=RgYn/ZUXZF1NxhP3wTBqdl6PY4CmCukn7NLj1zI37SfgSoAxx9/ZIDfr1ORINy0Eax 45PHogiixuDnd/uRJV39ZdfBDYD2Hw6PLJ9S0K7X4/pAXNxVlETxHxg+8BwGRTpJf4C1 +eDNSVINKuxrcAqEbi2hMJ/UnMDOfclSWM2X4vBxkBLHEHjLCqIXp0LPNyL7FA0LdAnN GW6xXFH0kKNHPKILRWTlzZ8O5vhE18zhWsEigLTB1M4V1qMa3/P4tlu+iT6qtZfmgvks 7eWGo70rcj2HSWp6HWmDD2JAScTSgHqZhEMxizzKM1Yhn+drZosN3ab0I2h8QDhSX17/ jB2A== X-Gm-Message-State: AAQBX9fmXvH/G3JWG+/sWkAOLIUKf2QgADaHTHZ321K7e92maiLmJMYQ Ebb9JSiHNbvUlRCeV+4chjzFKGQXunjNHrq5hrrut+zpxhNF X-Google-Smtp-Source: AKy350YZ9Bw8Wn5/59DoOMOyPZeeVBG4oqgre9seN+QlAM/OXP3XvNoAOYg87OLsF8K1W5LMJIqbJ5jc7VzPsO6XacVyiqxdYvr8 MIME-Version: 1.0 X-Received: by 2002:a05:6e02:d51:b0:325:e737:9d62 with SMTP id h17-20020a056e020d5100b00325e7379d62mr2276622ilj.6.1679791583750; Sat, 25 Mar 2023 17:46:23 -0700 (PDT) Date: Sat, 25 Mar 2023 17:46:23 -0700 In-Reply-To: <000000000000e8fd1f05ed75bf20@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a5727605f7c2f407@google.com> Subject: Re: [syzbot] [nfc?] possible deadlock in nci_start_poll From: syzbot To: bongsu.jeon@samsung.com, davem@davemloft.net, dvyukov@google.com, edumazet@google.com, hdanton@sina.com, krzysztof.kozlowski@linaro.org, kuba@kernel.org, linma@zju.edu.cn, linux-kernel@vger.kernel.org, linux-nfc@lists.01.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot suspects this issue was fixed by commit: commit b2e44aac91b25abbed57d785089c4b7af926a7bd Author: Dmitry Vyukov Date: Tue Nov 15 10:00:17 2022 +0000 NFC: nci: Allow to create multiple virtual nci devices bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=117e50c1c80000 start commit: 0b1dcc2cf55a Merge tag 'mm-hotfixes-stable-2022-11-24' of .. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=436ee340148d5197 dashboard link: https://syzkaller.appspot.com/bug?extid=f1f36887d202cea1446d syz repro: https://syzkaller.appspot.com/x/repro.syz?x=125fa5c5880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12508d3d880000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: NFC: nci: Allow to create multiple virtual nci devices For information about bisection process see: https://goo.gl/tpsmEJ#bisection