shadow-utils/shadow-4.6-sysugid-min-limit.patch

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diff -up shadow-4.6/libmisc/find_new_gid.c.min-limit shadow-4.6/libmisc/find_new_gid.c
--- shadow-4.6/libmisc/find_new_gid.c.min-limit 2018-04-29 18:42:37.000000001 +0200
+++ shadow-4.6/libmisc/find_new_gid.c 2018-11-06 10:07:14.567611067 +0100
@@ -81,6 +81,12 @@ static int get_ranges (bool sys_group, g
getdef_ulong ("GID_MIN", 1000UL),
(unsigned long) *max_id);
return EINVAL;
+ /*
+ * Zero is reserved for root and the allocation algorithm does not
+ * work right with it.
+ */
+ if (*min_id == 0) {
+ *min_id = (gid_t) 1;
}
} else {
/* Non-system groups */
diff -up shadow-4.6/libmisc/find_new_uid.c.min-limit shadow-4.6/libmisc/find_new_uid.c
--- shadow-4.6/libmisc/find_new_uid.c.min-limit 2018-04-29 18:42:37.000000001 +0200
+++ shadow-4.6/libmisc/find_new_uid.c 2018-11-06 10:07:34.392075491 +0100
@@ -81,6 +81,12 @@ static int get_ranges (bool sys_user, ui
getdef_ulong ("UID_MIN", 1000UL),
(unsigned long) *max_id);
return EINVAL;
+ /*
+ * Zero is reserved for root and the allocation algorithm does not
+ * work right with it.
+ */
+ if (*min_id == 0) {
+ *min_id = (uid_t) 1;
}
} else {
/* Non-system users */