From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 39A4C16FF3B for ; Sat, 2 Nov 2024 22:58:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730588285; cv=none; b=Rd/SZCZsuufF6YkdLfYvCHlsImL/WfSdjBs48EsKIWCiK9AL+kG5KFcsmcOg8vVtdRqa0GDUOpoPkMiXZJLpg25wTTbqpBmL0KeXMU3LA+RbGCSUE+dSI+zeHdqNcgbOgFBR9+v1CJHGc6yfS2zokKs2TTNMsPnc0+G69H5w4iY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730588285; c=relaxed/simple; bh=lQTJmVE2dpbn2916q3lXchAWyB180O9oib1aRjyR9Zk=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=UwcUXDsaFdn4iWTu0scNWQAdh8u4x6LRV6yu+8f+9n+UwAgU96723VtXfTt1xtX6ak613bll8D5pZ+r7+fvXTxv2O4MEaZr7P8s6IRrrcuKlAD/yDGxEsGsHusPjirqqcpfTnCVVdYaSXgDi+2IE2Hquv2tRxKWsrGZCBxLuYq4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.197 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f197.google.com with SMTP id e9e14a558f8ab-3a6c355b3f5so6868235ab.3 for ; Sat, 02 Nov 2024 15:58:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730588283; x=1731193083; h=content-transfer-encoding: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=3yBzUyljWebaGC+XnQZjALDFZL0q7JsGCGKAUh0yZEw=; b=T1RzohqcAN1w1ssk+Z4LHZIQlpQ3m+bFBl9VRyUNKhoKwgiAfOC28nvJPOlpbn0mLv 4XzM6VykF5iTNrMksekbIS/9HqnuMFaD+35OhKNZNCHbEIPv+PRTUxsT+glEBN6RDLRB sPdFduqVMULb9GLsgv412WtQGay28LaF86w61AOxCveyy1kNcEhwIaY4lBz5SsqjwtAt YqIrJDF6vQmGX3uCGIx2cwyxZRG7dnYPOKztMNOMkCb6/0DmWP6LoSybjaUGV+YD/wl/ 0ws2ut5J3hUFvkZYq/T28tZbEM87dnxT5LxtZrbV40ZDF2aMfqb/4GTd3f+2f8nzC25d UDtw== X-Forwarded-Encrypted: i=1; AJvYcCUEFyn3wP8bMwsiHu06mFPCHEGPPbuzaM4LOg46t+gSIJ36VbvJq1keOgcwQbmyRnhUrXI7CCB801di@vger.kernel.org X-Gm-Message-State: AOJu0YwVTLEW3ngWlVvlWl0nWtpRLebtcoYIj0Vjz3WPE+CuqtQ4a5H3 9twB+ZcnI/ZXPtLA4MWBU+Qh9+rtdJFkK0X+sEqfyPUaFSn78UuJVL+nFPHLkxHomnxlWO2lgwn Pvoqb8YI1dhfb2qvrQK8spD4dZemnWxhrjkAyo7EmKu8+dx1vQ0YrtfU= X-Google-Smtp-Source: AGHT+IHiBflm0OrHzRauDd2+Qk79yPQ2UsUXEsZO3NY2JhYxJXK8UlMJyJX29+TPwFZDLAECael9bu2Y9DD9M2ZTmExsyybtfnvw Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:cdac:0:b0:3a2:6cd7:3250 with SMTP id e9e14a558f8ab-3a4ed29dcdemr256947425ab.10.1730588283359; Sat, 02 Nov 2024 15:58:03 -0700 (PDT) Date: Sat, 02 Nov 2024 15:58:03 -0700 In-Reply-To: <000000000000163e1406152c6877@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6726ae7b.050a0220.35b515.018a.GAE@google.com> Subject: Re: [syzbot] [ext4?] possible deadlock in ext4_xattr_inode_iget (3) From: syzbot To: adilger.kernel@dilger.ca, adilger@dilger.ca, eadavis@qq.com, hdanton@sina.com, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, tytso@mit.edu, wojciech.gladysz@infogain.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable syzbot suspects this issue was fixed by commit: commit d1bc560e9a9c78d0b2314692847fc8661e0aeb99 Author: Wojciech G=C5=82adysz Date: Thu Aug 1 14:38:27 2024 +0000 ext4: nested locking for xattr inode bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=3D1245f55f9800= 00 start commit: fe46a7dd189e Merge tag 'sound-6.9-rc1' of git://git.kernel.= . git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=3D1a07d5da4eb2158= 6 dashboard link: https://syzkaller.appspot.com/bug?extid=3Dee72b9a7aad1e5a77= c5c syz repro: https://syzkaller.appspot.com/x/repro.syz?x=3D12407f4518000= 0 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=3D140d9db1180000 If the result looks correct, please mark the issue as fixed by replying wit= h: #syz fix: ext4: nested locking for xattr inode For information about bisection process see: https://goo.gl/tpsmEJ#bisectio= n