Cleanup: initialize data to 0

Valgrind catches read of uninitialized data caused by the on-stack
"data" argument which ends up not being fully initialized (it contains a
union).

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>

diff --git a/src/common/runas.c b/src/common/runas.c
index 7a6be2837d688ec2829a706d83f4153657464dfe..3e700c02d28f9a1e50658103fa168c29eb17bb99 100644 (file)
--- a/src/common/runas.c
+++ b/src/common/runas.c
@@ -466,6 +466,7 @@ int run_as_mkdir_recursive(const char *path, mode_t mode, uid_t uid, gid_t gid)
 {
        struct run_as_data data;
 
+       memset(&data, 0, sizeof(data));
        DBG3("mkdir() recursive %s with mode %d for uid %d and gid %d",
                        path, (int) mode, (int) uid, (int) gid);
        strncpy(data.u.mkdir.path, path, PATH_MAX - 1);
@@ -479,6 +480,7 @@ int run_as_mkdir(const char *path, mode_t mode, uid_t uid, gid_t gid)
 {
        struct run_as_data data;
 
+       memset(&data, 0, sizeof(data));
        DBG3("mkdir() %s with mode %d for uid %d and gid %d",
                        path, (int) mode, (int) uid, (int) gid);
        strncpy(data.u.mkdir.path, path, PATH_MAX - 1);
@@ -496,6 +498,7 @@ int run_as_open(const char *path, int flags, mode_t mode, uid_t uid, gid_t gid)
 {
        struct run_as_data data;
 
+       memset(&data, 0, sizeof(data));
        DBG3("open() %s with flags %X mode %d for uid %d and gid %d",
                        path, flags, (int) mode, (int) uid, (int) gid);
        strncpy(data.u.open.path, path, PATH_MAX - 1);
@@ -510,6 +513,7 @@ int run_as_unlink(const char *path, uid_t uid, gid_t gid)
 {
        struct run_as_data data;
 
+       memset(&data, 0, sizeof(data));
        DBG3("unlink() %s with for uid %d and gid %d",
                        path, (int) uid, (int) gid);
        strncpy(data.u.unlink.path, path, PATH_MAX - 1);