From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Date: Sun, 19 Oct 2008 03:28:01 +0000 (-0700)
Subject: hfsplus: missing O_LARGEFILE check
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=6e7152944426be786c6c232990914e4565290d35;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

hfsplus: missing O_LARGEFILE check

hfsplus: O_LARGEFILE checking is missing

Addresses http://bugzilla.kernel.org/show_bug.cgi?id=8490

From: Alan Cox <alan@redhat.com>
Reported-by: didier <did447@gmail.com>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index b085d64a2b6..963be644297 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -254,6 +254,8 @@ static int hfsplus_file_open(struct inode *inode, struct file *file)
 {
 	if (HFSPLUS_IS_RSRC(inode))
 		inode = HFSPLUS_I(inode).rsrc_inode;
+	if (!(file->f_flags & O_LARGEFILE) && i_size_read(inode) > MAX_NON_LFS)
+		return -EOVERFLOW;
 	atomic_inc(&HFSPLUS_I(inode).opencnt);
 	return 0;
 }