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 E7E13C433FE for ; Wed, 16 Nov 2022 05:58:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231542AbiKPF6V (ORCPT ); Wed, 16 Nov 2022 00:58:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35494 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229489AbiKPF6T (ORCPT ); Wed, 16 Nov 2022 00:58:19 -0500 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 49E08220DD for ; Tue, 15 Nov 2022 21:58:18 -0800 (PST) Received: by mail-io1-f69.google.com with SMTP id z139-20020a6bc991000000b006dac0d359edso8174161iof.2 for ; Tue, 15 Nov 2022 21:58:18 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=YWvo2jzqIvuQGsdWFUrnJDvcO8++2ictjA/IpetI45E=; b=EeqNlh0LbuKSgDNFmtilUzAkoiyjK41vOMQ7hNvs/CjKn88UjLSkaGoHLR2UyAGD9b RTBCfESKMEC8ULdK3m6tdRdDswJFECuJIllTTgC8QIdY87kKT6CA3LYX5etsv/GmKjC4 Xo8ogzbX6gdOE6XyEp0fi6Bcqp9IVttMc1xTKbpuB6R1nG/BdA0cSVsXaUeb/2q1Ecu5 hQqRdpnyZwVcWjE2utuOhdUralHSkzLYxN8/XJcL9ELl9H+AvJ5Tcg8mBC12Mo2Kfp63 pRkHW9DBFwVPGoZX2m23yG1kdZTPw6X2pX/Yktx3ENv2kdvDmoSZG/UrdCMeUZjMsXKw 2T/A== X-Gm-Message-State: ANoB5pmdrTyrpemvwWZiQKOsQ2F9TrmOskddAOgQ/8u9SiKFNyco9H82 oTgWXUXz+qxOfsksBSIRIApb0rnD6qg074C+VsTwTk3p56T2 X-Google-Smtp-Source: AA0mqf4eQ+jC+4kQp1fyoHwTeHCiA+2rGPTxKMj9hH+QL4+iJxL3kVD4fiZufqI/RC4CBO/Wqdo1BP9YRy3HaayfCg5kppIlBpH+ MIME-Version: 1.0 X-Received: by 2002:a02:3408:0:b0:373:d769:bc14 with SMTP id x8-20020a023408000000b00373d769bc14mr10172237jae.264.1668578297655; Tue, 15 Nov 2022 21:58:17 -0800 (PST) Date: Tue, 15 Nov 2022 21:58:17 -0800 In-Reply-To: <000000000000cceef005ed659943@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b63a2805ed90289d@google.com> Subject: Re: [syzbot] possible deadlock in virtual_nci_close From: syzbot To: bongsu.jeon@samsung.com, clement.perrochaud@nxp.com, davem@davemloft.net, dvyukov@google.com, hdanton@sina.com, krzysztof.kozlowski@linaro.org, kuba@kernel.org, linux-kernel@vger.kernel.org, michael.thalmeier@hale.at, netdev@vger.kernel.org, r.baldyga@samsung.com, robert.dolca@intel.com, sameo@linux.intel.com, shikha.singh@st.com, syzkaller-bugs@googlegroups.com, thierry.escande@linux.intel.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 e624e6c3e777fb3dfed036b9da4d433aee3608a5 Author: Bongsu Jeon Date: Wed Jan 27 13:08:28 2021 +0000 nfc: Add a virtual nci device driver bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1093fb59880000 start commit: 094226ad94f4 Linux 6.1-rc5 git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=1293fb59880000 console output: https://syzkaller.appspot.com/x/log.txt?x=1493fb59880000 kernel config: https://syzkaller.appspot.com/x/.config?x=7d516a992a8757b5 dashboard link: https://syzkaller.appspot.com/bug?extid=8040d16d30c215f821de syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1360e2f1880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14a95659880000 Reported-by: syzbot+8040d16d30c215f821de@syzkaller.appspotmail.com Fixes: e624e6c3e777 ("nfc: Add a virtual nci device driver") For information about bisection process see: https://goo.gl/tpsmEJ#bisection