From: Darrick J. Wong <darrick.wong@oracle.com>
Date: Sat, 10 Dec 2016 14:55:01 +0000 (-0500)
Subject: ext4: reject inodes with negative size
X-Git-Tag: v3.2.87~163
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8e905a3924e225f6037cfa3420e9cdfd880adb85;p=pandora-kernel.git

ext4: reject inodes with negative size

commit 7e6e1ef48fc02f3ac5d0edecbb0c6087cd758d58 upstream.

Don't load an inode with a negative size; this causes integer overflow
problems in the VFS.

[ Added EXT4_ERROR_INODE() to mark file system as corrupted. -TYT]

Fixes: a48380f769df (ext4: rename i_dir_acl to i_size_high)
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
[bwh: Backported to 3.2: use EIO instead of EFSCORRUPTED]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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