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 C991AEB64DC for ; Fri, 14 Jul 2023 15:11:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236352AbjGNPLe (ORCPT ); Fri, 14 Jul 2023 11:11:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43364 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236299AbjGNPLd (ORCPT ); Fri, 14 Jul 2023 11:11:33 -0400 Received: from mail-ot1-f72.google.com (mail-ot1-f72.google.com [209.85.210.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A99FE30E2 for ; Fri, 14 Jul 2023 08:11:32 -0700 (PDT) Received: by mail-ot1-f72.google.com with SMTP id 46e09a7af769-6b7550b41aaso3251834a34.2 for ; Fri, 14 Jul 2023 08:11:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689347492; x=1691939492; 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=CCLOxUsPk9gij7lrd4gl3ju7/pLr9suuyXvJ5OtLAUQ=; b=b17w1jZpOiFdEVajao1gfQwOumI9yvEAeR6fhaHvUsdpDapG0BjRcHFxdjxUxAwRkB J8wYnV7jwez4+3tMBlMQ8MDgos9Od6CBhedwFp8+pQSdff3dXbTiCfcnFceIOa0YyrVD UilQMN0BdhP4cTQHlWa0o944JTjd1QTw0x6fXc3bEHfaFbsvhTePkGE3llMlhGC+sUbt LMa+mUr5Of9nUtu2fiwXCyVGqevrQZ5GJuQtqFGYm1na8Y3LFz3O8h4Tyn2vvpurgr6U wMwLNnG5ZknXFRPOE1L8+GiZ/cDsYgUjUHvmKwifTETRmfy/PUtmNq3wMDlxCXAmMCUm Pjuw== X-Gm-Message-State: ABy/qLYPWY2jxM1riUXNTvzViswBAHaChInH7u/88bh5XQsdsOGxjHsO 41pRXncJ3XSs3GmoYjCDlm2Z1F4jCuLXRi5uKyFQ3owVQN/v X-Google-Smtp-Source: APBJJlE6TyCcdhAUrsmWbb8fvxPE8mWG/ukHNruZoQLsPGdacASBBgg9EA/N2Q99G1L6A2y+bsP1WGM7Wx8B6uHLvOQRaJVtfrE4 MIME-Version: 1.0 X-Received: by 2002:a9d:7488:0:b0:6b8:8894:e4ac with SMTP id t8-20020a9d7488000000b006b88894e4acmr4268213otk.3.1689347492003; Fri, 14 Jul 2023 08:11:32 -0700 (PDT) Date: Fri, 14 Jul 2023 08:11:31 -0700 In-Reply-To: <0000000000005921ef05ffddc3b7@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000029c576060073dd62@google.com> Subject: Re: [syzbot] [f2fs?] possible deadlock in f2fs_getxattr From: syzbot To: chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org syzbot has bisected this issue to: commit 5eda1ad1aaffdfebdecf7a164e586060a210f74f Author: Jaegeuk Kim Date: Wed Jun 28 08:00:56 2023 +0000 f2fs: fix deadlock in i_xattr_sem and inode page lock bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1177322aa80000 start commit: 3f01e9fed845 Merge tag 'linux-watchdog-6.5-rc2' of git://w.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=1377322aa80000 console output: https://syzkaller.appspot.com/x/log.txt?x=1577322aa80000 kernel config: https://syzkaller.appspot.com/x/.config?x=29fd3392a08741ef dashboard link: https://syzkaller.appspot.com/bug?extid=e5600587fa9cbf8e3826 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1336f364a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=130a365aa80000 Reported-by: syzbot+e5600587fa9cbf8e3826@syzkaller.appspotmail.com Fixes: 5eda1ad1aaff ("f2fs: fix deadlock in i_xattr_sem and inode page lock") For information about bisection process see: https://goo.gl/tpsmEJ#bisection