Received: by 2002:a05:7412:9c07:b0:fa:6e18:a558 with SMTP id lr7csp606961rdb; Sun, 28 Jan 2024 00:24:18 -0800 (PST) X-Google-Smtp-Source: AGHT+IGTFbsqz8LDnVlD8au0Zq363sRWHcHFEh3dEUuFpUPDXel09pvtuxasNeFkrlqOsMRZEo7i X-Received: by 2002:a17:902:d2d1:b0:1d7:37cf:6c71 with SMTP id n17-20020a170902d2d100b001d737cf6c71mr3884554plc.38.1706430257748; Sun, 28 Jan 2024 00:24:17 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1706430257; cv=pass; d=google.com; s=arc-20160816; b=L1ZPrpgPoDYtGycxgQVYAytushkDDWjpEB+a+CmZOzTZ9wG+zvyYhSSmONO3CRQxbp nUhqN5OLmMQCaF0t6FVc142qaxlhrpSrEMvzmHcdgx/bEEbLDCd0xWjy1xk1z3Q/5yUE mVG0lYNpupQD3np6G8Br3lPHccra2zlk7MDchyu7/kPbWqhZrCr2YaiU3DUbgcgIfAvh /AdDFqQJ1N7qPGLpoX2dcoawSpNnFE3HJwfDrWUjSDyn0Xw0UDflgwBPGsVdoSp9QJSN X4jaFhUX8o+G73bccQ3ol+tUFW/S4Uhd+n2RA/cRuC0ODOD+z/tbqiJlM89kwkLXg7M/ MV7A== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=to:from:subject:message-id:in-reply-to:date:mime-version :list-unsubscribe:list-subscribe:list-id:precedence; bh=tixAC/dBvIqFOvEhGo9DK9KceemeQG3mheOFlZWOP6Q=; fh=kCwvs00ahm2aQBLk0leNaddEtrKMqgTtCoatRKWtZYU=; b=eI5edBwVknT+4ANqal12bVfIQgWNv01cK3SdK/WSNj49YY7/BJN8BI6L/tEcJDU+me 445BYrWr71pLvI83pWgWK4gvUdVnYnoaRK9gfyaM4ZDM0/ys9A2fNIhwvARG1l7/cRKL iWzGCXxq5mMDz3/ezP3f8CKTgrjDTTaapwPKlVvOaHyj0EySK/XPyIbOHdUUsmhlj38a FPxyu+Gf+vmLtCOciX7aAcyORZPZ7Kpd4XAmWKbC8aWaa528z6uFGOl1iQuMGOTRDB07 5NMyUNBrcb2KbNHCi7DscoE/YH6CaHwYgujrJcCLHqLWpVN0MeJfko/cJ5MgtuO87mak 6khw== ARC-Authentication-Results: i=2; mx.google.com; arc=pass (i=1 spf=pass spfdomain=m3kw2wvrgufz5godrsrytgd7.apphosting.bounces.google.com); spf=pass (google.com: domain of linux-kernel+bounces-41561-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:40f1:3f00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-41561-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Return-Path: Received: from sy.mirrors.kernel.org (sy.mirrors.kernel.org. [2604:1380:40f1:3f00::1]) by mx.google.com with ESMTPS id z5-20020a170902ee0500b001d8d716a833si301405plb.581.2024.01.28.00.24.17 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 28 Jan 2024 00:24:17 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-41561-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:40f1:3f00::1 as permitted sender) client-ip=2604:1380:40f1:3f00::1; Authentication-Results: mx.google.com; arc=pass (i=1 spf=pass spfdomain=m3kw2wvrgufz5godrsrytgd7.apphosting.bounces.google.com); spf=pass (google.com: domain of linux-kernel+bounces-41561-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:40f1:3f00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-41561-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sy.mirrors.kernel.org (Postfix) with ESMTPS id 1DC32B21776 for ; Sun, 28 Jan 2024 08:24:14 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 01656D53B; Sun, 28 Jan 2024 08:24:06 +0000 (UTC) Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) (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 13A5DD527 for ; Sun, 28 Jan 2024 08:24:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706430245; cv=none; b=Lc8reKgIRUUrKYdgtrSAi0tKnJT0F6fCfnRJXm5p5WY5p+HrhQiSICMHFqP6mR5tCvi+eBhCvTFZx60MOVxjLFsZsGOX4CiZG0YWn1Bo/+5WaPlXNKzVovjGwzbZKEBnJb5ZlhMblZPtJAX2HHFuJbX1kb2ke+l5q4gQpsFbeAQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706430245; c=relaxed/simple; bh=djVxdPh6n+qvnaL858ysLJDEfmAO6wdLChSO/yDb3PA=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=O3HSKkdhWGsO+iXNGvZSzLV6shzfIV4uv68ABW9bj+G15kPgpFKQp3PVwDzy3RbZsfjLQF/ufAmAvV5fevIQ7S2PtS8bt+DFc1Y5dgbT8KrZtknttpHMq0UNXB/ygdrNjv0h/zrnTD5w1LGg8sO0EoMex5DuI5SYheMKbMF3Ue0= 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=209.85.166.72 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-io1-f72.google.com with SMTP id ca18e2360f4ac-7bf81e2e5d4so111478739f.2 for ; Sun, 28 Jan 2024 00:24:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1706430243; x=1707035043; 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=tixAC/dBvIqFOvEhGo9DK9KceemeQG3mheOFlZWOP6Q=; b=gbDFGfDRyDsQbmXRfXE5YGgoqszh8248Ldvoxm4XTuWuEB/MizToouWTPRa9flaNSe 9/tceYe6042EuJkDdw7641Wcx8P04DUVc6uRVztZ3joALmJcHKQKZxsGJgZVHs7Ol+Ar yM9PfRGBxcPG2Ja82PlIQgRlq+tzF361dXbCZzNmiM+kfQtu5Y9OnjPTG9Kgs56MZSXb e+cwTg0M8vSDhaOuxFYxHQS0jNt1GaSCeNoPnWG3Sg73kkFXa6Jf7nhVtVW6hRZ2AvwE h3/UADZ18OFNVjeaEt+mz6bciaHYUclaXR9/w7ISZEH2tTjqqTa3GgYUFE/50bWA7HE2 H8MA== X-Gm-Message-State: AOJu0YyhSmysECpa89EG26xTCq1yOpX6iSG3xm2A/+dwh8KQNV6R6x0w x+FXwmpBEWYhVFxm32YSOJfiu/jHolUXaA0z48LQxfWpnn/KzsRtbSceivIsbHTP8TuqzpgTsFI E+nA0mT3oCXAn62dgTGogX++JVWWiAHrRFFVwZfFwOWththd/bdTx2uw= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:12e3:b0:363:7aed:f073 with SMTP id l3-20020a056e0212e300b003637aedf073mr106632iln.0.1706430243219; Sun, 28 Jan 2024 00:24:03 -0800 (PST) Date: Sun, 28 Jan 2024 00:24:03 -0800 In-Reply-To: <20240128075340.1015-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000007b3188060ffd4061@google.com> Subject: Re: [syzbot] [overlayfs?] possible deadlock in seq_read_iter (2) From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+da4f9f61f96525c62cc7@syzkaller.appspotmail.com Tested on: commit: 8a696a29 Merge tag 'platform-drivers-x86-v6.8-2' of gi.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master console output: https://syzkaller.appspot.com/x/log.txt?x=1516855fe80000 kernel config: https://syzkaller.appspot.com/x/.config?x=5057c9bffe24fc70 dashboard link: https://syzkaller.appspot.com/bug?extid=da4f9f61f96525c62cc7 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.