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@xxxxxxx>
---
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
--
Best Regards / S pozdravem,
Stanislav Brabec
software developer
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