diff options
| -rw-r--r-- | mthread.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/mthread.c b/mthread.c index 064cbdc..b54b714 100644 --- a/mthread.c +++ b/mthread.c @@ -187,6 +187,10 @@ out: if (parent && parent != c) { struct container *r; + // check we don't introduce a new loop + if (reachable(parent, c) || reachable(c, parent)) + goto out2; + if (c->parent == parent) { // already correct goto out2; } else if (c->parent) { |