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--- a/src/utils/pxattr.cpp
+++ b/src/utils/pxattr.cpp
@@ -326,6 +326,7 @@
 	return false;
     if (!buf.alloc(ret+1)) // NEEDED on FreeBSD (no ending null)
 	return false;
+    buf.buf[ret] = 0;
     if (fd < 0) {
 	if (flags & PXATTR_NOFOLLOW) {
 	    ret = extattr_list_link(path.c_str(), EXTATTR_NAMESPACE_USER,