From mboxrd@z Thu Jan 1 00:00:00 1970 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 2B21786AC5 for ; Thu, 7 Mar 2024 11:13:02 +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=1709809984; cv=none; b=lb9aOeRAtdCnBY3UtJDnrfM32ga2W+Yj02kZ7hTxHefQBQIFkCUsG3cPwSzfUy5qYyIpqQr7RhWes3SR7AWD4TuZe+idp6nSsl5jEnz2oYvgae3i7YysQXyIj8PfMlduoMW38ZumTb48pk4GjaqdISlDjCNXMckon9mkAgr0o1Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709809984; c=relaxed/simple; bh=yv41owbXv133hve6odU/CNw7rEWPt8uIyDiS3AyVLSs=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=NJrAWZlcP9VbACO669ekiMc2Xey3IY6Rgom4DPwUsTkSwWZvQZQ1k4jsEC41kbOzAglM5fHLOhknQQdHDPTBoEFEh3Y6RhtXwaCgCBRrvKyDgv1jM2qiJ9FmZSIBG6ZmQZPRSHe0cUzsDim48CukBHFVjCNs5RdcS8bQko1TeOQ= 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-7c7c9831579so98420439f.0 for ; Thu, 07 Mar 2024 03:13:02 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709809982; x=1710414782; 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=MZu25r1BI++AxMvkNkxKwJHVQJbUEx48B5bf08VvrTo=; b=GD1k+FvdNQ9td45UvC2Qm+g87GM2C6OfD+HPjXjP3Px2vOXoMq5A8U65m8NCX/Qbw2 cW3JS36WqJlI0576DPwcL6Trv9mCHVJ5Avrsp+PDuwJOrfXaMf0HetZGI5BzfcIqS6NS lipxIuLguhvkvj7LFTpY73qLnP8TfLsrXzVLQajWz4R09Sf1jKhn5UVbGBYqCbdGvXfR naxLg+hDLYHTSYI618HbRheN4PklKp8S8Zbd/7/F24MnAxm3UOiuY3CWQmRCQ9yejk4c mWxtVYxnZ142MbSxnjvpJuhma/sTIYlSqch1LujbIGv0XzcNOoWqrqaJwSOu4GN+gPqY P9rg== X-Forwarded-Encrypted: i=1; AJvYcCVIpctFXX7ObLRE4hhKpLcxbkI6qBtP6Y5yaD4Od4YgljZwVERL/JcCU184iSXnrI7TJPvVgqzeH/AixAYimX0zHQaWLIXuqQ9iZ57h X-Gm-Message-State: AOJu0YxoJeDZ9KqoHlr3NVUpGtyg8Vq2FXYq0NDIC8HJAvYroCpqX9Fz srzJDYeKRXlit2hH6xTIaBmZq3dA1Ejld08GODpxz2GfdlKyagw/3BQ9xM1acWBx+9M8w61tPSX O9ilgv5vdM2zgfLPfwYzVEmSlwPVGQjK0s5qrwSSIeuasxeH9UNqFQZo= X-Google-Smtp-Source: AGHT+IExgBaCsh5qtK7rNOT7hHPlrDMMm/jBJiefAQmRhCgWO+lKoqH9wZyvndsQIOEsJpD5Cc4G4KIR/24amNWZ81WbP5aKSM7k Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:4120:b0:476:992e:6473 with SMTP id ay32-20020a056638412000b00476992e6473mr171773jab.3.1709809982408; Thu, 07 Mar 2024 03:13:02 -0800 (PST) Date: Thu, 07 Mar 2024 03:13:02 -0800 In-Reply-To: <20240307104857.1530-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a2ad99061310283f@google.com> Subject: Re: [syzbot] [usb] INFO: rcu detected stall in newfstatat (3) 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+96127c74434e19e4609d@syzkaller.appspotmail.com Tested on: commit: 67be068d Merge tag 'vfs-6.8-release.fixes' of git://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=1345b1fe180000 kernel config: https://syzkaller.appspot.com/x/.config?x=70429b75d4a1a401 dashboard link: https://syzkaller.appspot.com/bug?extid=96127c74434e19e4609d compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=172671a6180000 Note: testing is done by a robot and is best-effort only.