Fix intern.c and fast.c (#1015)

* Fix intern.c and fast.c
* Update changelog
* clang-format

Author: ohler55

CHANGELOG.md

@@ -1,5 +1,9 @@
 # CHANGELOG
 
+## 3.17.3 - 2026-06-04
+
+- Fixed issue in intern.c and fast.c.
+
 ## 3.17.2 - 2026-05-27
 
 - Fixed multiple issues related to extreme sizes.

ext/oj/fast.c

@@ -1504,6 +1504,9 @@ static VALUE doc_each_child(int argc, VALUE *argv, VALUE self) {
             Leaf first = (*doc->where)->elements->next;
             Leaf e     = first;
 
+            if (MAX_STACK <= (doc->where + 1) - doc->where_path) {
+                rb_raise(rb_const_get_at(Oj, rb_intern("DepthError")), "Path too deep. Limit is %d levels.", MAX_STACK);
+            }
             doc->where++;
             do {
                 *doc->where = e;
@@ -1513,6 +1516,7 @@ static VALUE doc_each_child(int argc, VALUE *argv, VALUE self) {
                 }
                 e = e->next;
             } while (e != first);
+            doc->where--;
         }
         if (0 < wlen) {
             memcpy(doc->where_path, save_path, sizeof(Leaf) * (wlen + 1));

ext/oj/intern.c

@@ -69,7 +69,7 @@ static VALUE form_attr(const char *str, size_t len) {
             memcpy(b + 1, str, len);
             b[len + 1] = '\0';
         }
-        id = rb_intern3(buf, len + 1, oj_utf8_encoding);
+        id = rb_intern3(b, len + 1, oj_utf8_encoding);
         OJ_R_FREE(b);
         return id;
     }

lib/oj/version.rb

@@ -1,4 +1,4 @@
 module Oj
   # Current version of the module.
-  VERSION = '3.17.2'
+  VERSION = '3.17.3'
 end