netdev - [PATCH 05/12] fs: ufs: Use ktime_get_real

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri,  7 Apr 2017 17:57:03 -0700
From:   Deepa Dinamani <deepa.kernel@...il.com>
To:     linux-kernel@...r.kernel.org, akpm@...ux-foundation.org
Cc:     tglx@...utronix.de, viro@...iv.linux.org.uk,
        gregkh@...uxfoundation.org, andreas.dilger@...el.com,
        arnd@...db.de, bfields@...ldses.org, clm@...com,
        davem@...emloft.net, dsterba@...e.com, dushistov@...l.ru,
        eparis@...hat.com, jaegeuk@...nel.org, jbacik@...com,
        jlayton@...chiereds.net, john.stultz@...aro.org,
        jsimmons@...radead.org, mingo@...hat.com, oleg.drokin@...el.com,
        paul@...l-moore.com, rostedt@...dmis.org, yuchao0@...wei.com,
        ceph-devel@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-audit@...hat.com, linux-btrfs@...r.kernel.org,
        linux-cifs@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net,
        linux-fsdevel@...r.kernel.org, linux-mtd@...ts.infradead.org,
        linux-security-module@...r.kernel.org,
        lustre-devel@...ts.lustre.org, netdev@...r.kernel.org,
        samba-technical@...ts.samba.org, y2038@...ts.linaro.org
Subject: [PATCH 05/12] fs: ufs: Use ktime_get_real_ts64() for birthtime

CURRENT_TIME is not y2038 safe.
Replace it with ktime_get_real_ts64().
Inode time formats are already 64 bit long and
accommodates time64_t.

Signed-off-by: Deepa Dinamani <deepa.kernel@...il.com>
---
 fs/ufs/ialloc.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/fs/ufs/ialloc.c b/fs/ufs/ialloc.c
index 9774555..d1dd8cc 100644
--- a/fs/ufs/ialloc.c
+++ b/fs/ufs/ialloc.c
@@ -176,6 +176,7 @@ struct inode *ufs_new_inode(struct inode *dir, umode_t mode)
 	struct ufs_cg_private_info * ucpi;
 	struct ufs_cylinder_group * ucg;
 	struct inode * inode;
+	struct timespec64 ts;
 	unsigned cg, bit, i, j, start;
 	struct ufs_inode_info *ufsi;
 	int err = -ENOSPC;
@@ -323,8 +324,9 @@ struct inode *ufs_new_inode(struct inode *dir, umode_t mode)
 		lock_buffer(bh);
 		ufs2_inode = (struct ufs2_inode *)bh->b_data;
 		ufs2_inode += ufs_inotofsbo(inode->i_ino);
-		ufs2_inode->ui_birthtime = cpu_to_fs64(sb, CURRENT_TIME.tv_sec);
-		ufs2_inode->ui_birthnsec = cpu_to_fs32(sb, CURRENT_TIME.tv_nsec);
+		ktime_get_real_ts64(&ts);
+		ufs2_inode->ui_birthtime = cpu_to_fs64(sb, ts.tv_sec);
+		ufs2_inode->ui_birthnsec = cpu_to_fs32(sb, ts.tv_nsec);
 		mark_buffer_dirty(bh);
 		unlock_buffer(bh);
 		if (sb->s_flags & MS_SYNCHRONOUS)
-- 
2.7.4