From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from youngberry.canonical.com ([91.189.89.112]:36285 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755823AbcAPAEs (ORCPT ); Fri, 15 Jan 2016 19:04:48 -0500 From: Kamal Mostafa To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: Al Viro , Theodore Ts'o , Kamal Mostafa Subject: [PATCH 4.2.y-ckt 132/305] ext4: fix an endianness bug in ext4_encrypted_follow_link() Date: Fri, 15 Jan 2016 15:59:06 -0800 Message-Id: <1452902519-2754-133-git-send-email-kamal@canonical.com> In-Reply-To: <1452902519-2754-1-git-send-email-kamal@canonical.com> References: <1452902519-2754-1-git-send-email-kamal@canonical.com> Sender: stable-owner@vger.kernel.org List-ID: 4.2.8-ckt2 -stable review patch. If anyone has any objections, please let me know. ---8<------------------------------------------------------------ From: Al Viro commit 5a1c7f47da9b32d0671e776b0f388095b7f91e2e upstream. applying le32_to_cpu() to 16bit value is a bad idea... Signed-off-by: Al Viro Signed-off-by: Theodore Ts'o Signed-off-by: Kamal Mostafa --- fs/ext4/symlink.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ext4/symlink.c b/fs/ext4/symlink.c index c677f2c..3627fd7 100644 --- a/fs/ext4/symlink.c +++ b/fs/ext4/symlink.c @@ -52,7 +52,7 @@ static const char *ext4_encrypted_follow_link(struct dentry *dentry, void **cook /* Symlink is encrypted */ sd = (struct ext4_encrypted_symlink_data *)caddr; cstr.name = sd->encrypted_path; - cstr.len = le32_to_cpu(sd->len); + cstr.len = le16_to_cpu(sd->len); if ((cstr.len + sizeof(struct ext4_encrypted_symlink_data) - 1) > max_size) { -- 1.9.1