From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) (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 565948C11 for ; Thu, 3 Jul 2025 01:17:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751505448; cv=none; b=TCMB5Nr8nQChZ/z7rRaV1+D0aDbkS7lZItIoaaKM2S79qHA+KQr27wU2i05JKFXuLVhUQqfjycW6qFqee2Oyf+HzulvIpG/oxCB0oITpKc10XtjK2METKyJG7WUA1ulnFHrItoMRqN4DdlnEyK+oWaQsIL7ejjgGVgzquZkYa8I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751505448; c=relaxed/simple; bh=DJNKakqU3YkAerqiUC6OSmZ1gRpO+3vICX9ml1dECuU=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=K0J48eJZxu/j+Ze8bBwHCwl1bMenyX4KjJ/Ro80LiQ7wOgvJs/MUCRmsGsLtkZHoJGg535biD8eeZN1tFqRbQSmasdLfmsLGK4ADQoVi/bt8Nt0/Cua7pB4qgHOJiVfg+TKq4H8eE2sJM2HMfg++YnJbcl+261TdZFXwhuP45wA= 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=209.85.166.69 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-f69.google.com with SMTP id ca18e2360f4ac-86cfe68a8bbso519431839f.1 for ; Wed, 02 Jul 2025 18:17:27 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751505446; x=1752110246; 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=rkAxNpgnFcgnY2m4dXwwl866T3/ZuVH9y1Vs9ZVnAk8=; b=bvdzUicUazfqmLlHzlLmLlZN3D4fD9oTE1w3nWOiYtqpovjlma6fhGN9lksMnlxMV/ GSVNklUGS8Ef7Acb2zqBO6SjmUdxIYa2rdJ4/kh/S4fyPuXftiyQaIIawmVLpsFU/yiR Y7+uWNAouZnUfuLtidWChqy4kjsZbFzCA7WgqDd51bUul69bfWKk1gLsKfUiaRQy+ndh pKCwzcuEn0n+T1QDQ4AW+x44xMD/QJrcsn6b/Q0Qf+T/Dq3aPkJTnHVDrdgW9PxdgEmk GlpRJ9UQ34Uk0LJSEoQmaHUPsttIRCKUgS/qb9emV5fowzcGjLKp/GV0UmaD0evo3UjA Tymg== X-Gm-Message-State: AOJu0YySyx7MPhYT4s53KqqcjDc7+OApZvwoJhhziYlEGAv121QxwenK IL6TMFXeQvO8nH9PPEiMJtUsU9E2ektgnrM1DDsmcSBuAICJ5Q2w9cgO91/VwWL5wFUhdtCEawn Lrt2Nq0dtU/h5EkGmUW6ua/Ga5no1VyOZ77UE7WG3Vc6N5+fid+UXuj+EI+Q= X-Google-Smtp-Source: AGHT+IHOB46WzM55UxMiHTC2Rvq04Vb8fWwzFX9Otcxqx1QKWm+DK75o0TUybkk3gjWeNnYZ8212cYutMQyb4gypIRZokRTiqcwx Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:148f:b0:86a:84f:7a45 with SMTP id ca18e2360f4ac-876d1f2a62bmr254346439f.8.1751505446483; Wed, 02 Jul 2025 18:17:26 -0700 (PDT) Date: Wed, 02 Jul 2025 18:17:26 -0700 In-Reply-To: <68656f4c.a70a0220.2b31f5.0000.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6865da26.a70a0220.2b31f5.0009.GAE@google.com> Subject: Re: [syzbot] Re: [syzbot] [nfs?] [net?] possible deadlock in rpc_close_pipes From: syzbot To: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org. *** Subject: Re: [syzbot] [nfs?] [net?] possible deadlock in rpc_close_pipes Author: lizhi.xu@windriver.com #syz test diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c index 0bd1df2ebb47..ae5643e0bc43 100644 --- a/net/sunrpc/rpc_pipe.c +++ b/net/sunrpc/rpc_pipe.c @@ -693,7 +693,7 @@ void rpc_unlink(struct rpc_pipe *pipe) { if (pipe->dentry) { - simple_recursive_removal(pipe->dentry, rpc_close_pipes); + locked_recursive_removal(pipe->dentry, rpc_close_pipes); pipe->dentry = NULL; } }