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 89C72C7EE2C for ; Thu, 24 Aug 2023 15:56:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242167AbjHXPzu (ORCPT ); Thu, 24 Aug 2023 11:55:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39814 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242354AbjHXPzh (ORCPT ); Thu, 24 Aug 2023 11:55:37 -0400 Received: from mail-pl1-f199.google.com (mail-pl1-f199.google.com [209.85.214.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 14733198D for ; Thu, 24 Aug 2023 08:55:34 -0700 (PDT) Received: by mail-pl1-f199.google.com with SMTP id d9443c01a7336-1bb29dc715bso552795ad.1 for ; Thu, 24 Aug 2023 08:55:34 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692892533; x=1693497333; 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=+aXdP1B+FgxdGCzykCKzGTnnvyJ+Lx6s4rg1obN7Qbk=; b=LHejfDNK1841Vq8KuuoSFWNwNQCZmzIi9TehQxlpdPlULpmUF3uIIXYYVUZ79UfM+S 1mDZk7KVkliWUDdLnauokFlQ8dDterp8wjZYIUbSknvdDPKcTas/pbxwfWRQZGoTHq4m 6F0sacoSpWbR7LAaYUGGz/qxiGkD2C30rWkedQIHczbeA+QTzeyJ5gXZZKG7FBRgsEXB aKOwXBreEbXpI26DD+svhQrZ5xmr6ZJz77PEbTPDXPqkC9wXEIcaYjwQRR4mm5l8/o6u +H8uvHVGnTFxmfDIdwoLxf/Ti/P5vHcHQ39QrqBOxmZxhdhWYieCLaNoZ95ANaEpSNn/ K9mQ== X-Gm-Message-State: AOJu0Yxx6d4O+yDBom5b1XSDBL8BrZD73MxG9R8AWTv7ER2DJ74pfReF poczq+ASgVd1rZUsBguodHyzlVShYV/vjHZNYju8jvKtADIV X-Google-Smtp-Source: AGHT+IGlMDpByqwKN1nPkwOZ6cneGx5U8uHqYAq4mzi8Dm1fiSg/5r5iCD6/x3lo/kY24VLtNZrGpmu0TbdY75CrMu5ucsZiquhn MIME-Version: 1.0 X-Received: by 2002:a17:902:f551:b0:1bc:e37:aa5c with SMTP id h17-20020a170902f55100b001bc0e37aa5cmr6759816plf.1.1692892533578; Thu, 24 Aug 2023 08:55:33 -0700 (PDT) Date: Thu, 24 Aug 2023 08:55:33 -0700 In-Reply-To: <0000000000000f188605ffdd9cf8@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000001b658e0603ad424d@google.com> Subject: Re: [syzbot] [f2fs?] possible deadlock in f2fs_add_inline_entry From: syzbot To: chao@kernel.org, hdanton@sina.com, 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-kernel@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=167691b7a80000 start commit: cacc6e22932f tpm: Add a helper for checking hwrng enabled git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=157691b7a80000 console output: https://syzkaller.appspot.com/x/log.txt?x=117691b7a80000 kernel config: https://syzkaller.appspot.com/x/.config?x=171b698bc2e613cf dashboard link: https://syzkaller.appspot.com/bug?extid=a4976ce949df66b1ddf1 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=103c6bb3a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17bb51c7a80000 Reported-by: syzbot+a4976ce949df66b1ddf1@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