From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5DA46396D35; Wed, 21 Jan 2026 18:26:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769019971; cv=none; b=SEQPKEZYnKUPd4XJ6GhditwjEeWeah+0RmgDo69bELtrRsayDEOlOeSjmL/WE3LNN5I0vW8seROPQd2epSdshPSUtadtpjRcwsAJmT/mhHJlXLOPp493It/3ANOzIrzfhQOfCCgoBb0Ok/TPF6SxoUDtUE8V5SCLLJ7b+qwQU9E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769019971; c=relaxed/simple; bh=xw16w4gMmKr0C5q02sI1bGw7JXF++zeu9S2ovThVRgY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=eknhpBi5VH6tCYF+PPf036YRQlRdOcavnVh1oxWbzl8IkN5+j7wOOU84Xs0/sRNaij/WSmgKF/m4ODN8LmYZ6uLiSpRC/vjgjcIr2bEOfO6r0Cd+H+nAHYDmxsEYcP7Xtqk54ILhORzVcWNZ0o6byRyFlXaxyln9Y73FV8n6rsw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=J2gVVQ4J; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="J2gVVQ4J" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B2883C4CEF1; Wed, 21 Jan 2026 18:26:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1769019971; bh=xw16w4gMmKr0C5q02sI1bGw7JXF++zeu9S2ovThVRgY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=J2gVVQ4Jo3Aar6ZF6LPl4XV9gDxNkK4MBKevXAADJHSEcyZzHEjpSqJGazFxKWTsH Whq5PgQo/q4WSfGjkv7eb0ZCdnyJAF+bDg1/aDYo5liJkx8YH1YPk8HuBrViXQzYHp iam6cYbtxWw3aTLvCSGZej8eJh3v+lDLlmxNc33A= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Trond Myklebust , Mike Snitzer , Sasha Levin Subject: [PATCH 6.18 021/198] NFS/localio: Deal with page bases that are > PAGE_SIZE Date: Wed, 21 Jan 2026 19:14:09 +0100 Message-ID: <20260121181419.317312255@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260121181418.537774329@linuxfoundation.org> References: <20260121181418.537774329@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Trond Myklebust [ Upstream commit 60699ab7cbf0a4eb19929cce243002b39c67917d ] When resending requests, etc, the page base can quickly grow larger than the page size. Fixes: 091bdcfcece0 ("nfs/localio: refactor iocb and iov_iter_bvec initialization") Signed-off-by: Trond Myklebust Reviewed-by: Mike Snitzer Signed-off-by: Sasha Levin --- fs/nfs/localio.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/nfs/localio.c b/fs/nfs/localio.c index ed2a7efaf8f20..f537bc3386bf2 100644 --- a/fs/nfs/localio.c +++ b/fs/nfs/localio.c @@ -461,6 +461,8 @@ nfs_local_iters_init(struct nfs_local_kiocb *iocb, int rw) v = 0; total = hdr->args.count; base = hdr->args.pgbase; + pagevec += base >> PAGE_SHIFT; + base &= ~PAGE_MASK; while (total && v < hdr->page_array.npages) { len = min_t(size_t, total, PAGE_SIZE - base); bvec_set_page(&iocb->bvec[v], *pagevec, len, base); -- 2.51.0