[3.8.y.z extended stable] Patch "ext4: don't leave i_crtime.tv_sec uninitialized" has been added to staging queue
Kamal Mostafa
kamal at canonical.com
Thu Mar 20 15:54:39 UTC 2014
This is a note to let you know that I have just added a patch titled
ext4: don't leave i_crtime.tv_sec uninitialized
to the linux-3.8.y-queue branch of the 3.8.y.z extended stable tree
which can be found at:
http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.8.y-queue
This patch is scheduled to be released in version 3.8.13.20.
If you, or anyone else, feels it should not be added to this tree, please
reply to this email.
For more information about the 3.8.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable
Thanks.
-Kamal
------
>From 3d9824dc0b74bdec5a44d48af9b75ea5b8b25da7 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso at mit.edu>
Date: Sun, 16 Feb 2014 19:29:32 -0500
Subject: ext4: don't leave i_crtime.tv_sec uninitialized
commit 19ea80603715d473600cd993b9987bc97d042e02 upstream.
If the i_crtime field is not present in the inode, don't leave the
field uninitialized.
Fixes: ef7f38359 ("ext4: Add nanosecond timestamps")
Reported-by: Vegard Nossum <vegard.nossum at oracle.com>
Tested-by: Vegard Nossum <vegard.nossum at oracle.com>
Signed-off-by: "Theodore Ts'o" <tytso at mit.edu>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
fs/ext4/ext4.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index a4903ff..13644c4 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -776,6 +776,8 @@ do { \
if (EXT4_FITS_IN_INODE(raw_inode, einode, xtime)) \
(einode)->xtime.tv_sec = \
(signed)le32_to_cpu((raw_inode)->xtime); \
+ else \
+ (einode)->xtime.tv_sec = 0; \
if (EXT4_FITS_IN_INODE(raw_inode, einode, xtime ## _extra)) \
ext4_decode_extra_time(&(einode)->xtime, \
raw_inode->xtime ## _extra); \
--
1.8.3.2
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