File util-linux-libmount-utab-lock.patch of Package util-linux.7828

From ecfeae90a2947fb82e19076131a3ef166374b249 Mon Sep 17 00:00:00 2001
From: Stanislav Brabec <sbrabec@suse.cz>
Date: Tue, 11 Apr 2017 16:12:52 +0200
Subject: [PATCH] libmount: Ensure utab.lock mode 644

If utab.lock is created by a process with a restricted umask, utab.lock is
created with restricted permissions. It breaks userspace monitor.

Ensure that the mode is always 644.

Signed-off-by: Stanislav Brabec <sbrabec@suse.cz>
---
 libmount/src/lock.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libmount/src/lock.c b/libmount/src/lock.c
index 06eff1344..f9d0253fb 100644
--- a/libmount/src/lock.c
+++ b/libmount/src/lock.c
@@ -220,6 +220,11 @@ static int lock_simplelock(struct libmnt_lock *ml)
 		rc = -errno;
 		goto err;
 	}
+	rc = fchmod(ml->lockfile_fd, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH);
+	if (rc < 0) {
+		rc = -errno;
+		goto err;
+	}
 
 	while (flock(ml->lockfile_fd, LOCK_EX) < 0) {
 		int errsv;
-- 
2.12.2