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 795EA17736 for ; Fri, 5 Sep 2025 00:46:26 +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=1757033187; cv=none; b=ScDa2IqxRRp3wwkfLaf8HgEim/niZe28oZSnhvhaSxuwB2XKEU8A0j2zkwGtIqeykZmbiBHTHvZoyTjAJLUmOsnGCFBbQfF/2wn2vXTz/Nn7PF+BK+kPWRcbt4kxPH1KEg6cCSwDz5S93Vx9F7lU+kq7MIRlrkj2I1NhURafNQ0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757033187; c=relaxed/simple; bh=t/tsGB2PgjtWlGJYuG6tYUu0+jsyFlyipZHrS5X8xKM=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=sRtt50N6sPYAKg9jnsLYyzx/efqq/AHa6VgynAm1hPQQCwkGYKwJd433WXThrHjuRhPL2yrlLlDrvIErM6lXf7uvzJW0XnBoahR2Kf8h5qVcKuhUc8Odl1OG3UX93abZCZIbJHKox+wCqvHpZUm4NlK/m5VqviaosYI0agUJ8QE= 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-887280cfa52so187953839f.3 for ; Thu, 04 Sep 2025 17:46:26 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1757033185; x=1757637985; 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=9JHIJZxE6Uqw+PxN1tHk3k85HfF4x7LH7g4WAgpoRrg=; b=EJko3iLsHR7mZlTuBJwsJRjeH7FBzWGZJrVFBVK7ZCWL+EyY2ONCeUE7McQYaVtKc8 tMJNLvmEd0tNnaBvHjH++8v0ya6Q5BN26Yy9wgqZnBwZPd/U85UWOdoGE/CCVS9zhHUB TnqKqvC/bClpKUgc9BaD+I4E+s394gVl7Xb/EueLufrXXnFQOK1P0fTaZwroHYlI2bud HltkTB5zVNFjlmIWJtj+wq02+3JCqT0MGIz3pDVwtxZJzB0yPjMwt3wONzmnq/1QRzYQ 9N4jhcfTs15Tp4aYpyEKcentw2AmtTw9vsjQkat9s/BvBwAxGC8ep4JsOzqZaryPAy+i a2WA== X-Gm-Message-State: AOJu0YyhZmcvE2CaCghVmXI7lv2fnVDCpCCgyW0nsCUjvZRVKUjBA2Oe MZCFVHibyQ0dPJgtIM0tf/HdoylbDEBPfbKbYyNAsU+FG8OKqi+rwlTxTqMr0Q3K4GfnWO1lk1H U/fOZhQmwmUDK6yfGdprYwihjfFrBhEF9L0fLLU0UUvTXUEzwh1mLfgG9Xes= X-Google-Smtp-Source: AGHT+IGfIuZ4NNGYb2m+x5M5UpMMUtxR+dvkV50tbTNT/+izlpzYvhZFNx3Q71Mc05GJ+8k9ul7E/XE563wQdxTRamcb3ArfI6/I Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:4903:b0:3f6:5621:fbde with SMTP id e9e14a558f8ab-3f65621fe5fmr210580265ab.6.1757033185666; Thu, 04 Sep 2025 17:46:25 -0700 (PDT) Date: Thu, 04 Sep 2025 17:46:25 -0700 In-Reply-To: <68b9d0eb.050a0220.192772.000c.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68ba32e1.050a0220.192772.00d9.GAE@google.com> Subject: Forwarded: Re: [syzbot] [netfs?] kernel BUG in netfs_perform_write 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] [netfs?] kernel BUG in netfs_perform_write Author: lizhi.xu@windriver.com #syz test diff --git a/fs/netfs/buffered_write.c b/fs/netfs/buffered_write.c index f27ea5099a68..09394ac2c180 100644 --- a/fs/netfs/buffered_write.c +++ b/fs/netfs/buffered_write.c @@ -347,7 +347,7 @@ ssize_t netfs_perform_write(struct kiocb *iocb, struct iov_iter *iter, folio_put(folio); ret = filemap_write_and_wait_range(mapping, fpos, fpos + flen - 1); if (ret < 0) - goto error_folio_unlock; + goto out; continue; copied: