Prevent stack overflows in H5E__push_stack

src/H5Eint.c

@@ -730,13 +730,13 @@ H5E__push_stack(H5E_t *estack, const char *file, const char *func, unsigned line
 
     if (estack->nused < H5E_NSLOTS) {
         /* Increment the IDs to indicate that they are used in this stack */
-        if (H5I_inc_ref(cls_id, false) < 0)
+        if (H5I_inc_ref_noherr(cls_id, false) < 0)
             HGOTO_DONE(FAIL);
         estack->slot[estack->nused].cls_id = cls_id;
-        if (H5I_inc_ref(maj_id, false) < 0)
+        if (H5I_inc_ref_noherr(maj_id, false) < 0)
             HGOTO_DONE(FAIL);
         estack->slot[estack->nused].maj_num = maj_id;
-        if (H5I_inc_ref(min_id, false) < 0)
+        if (H5I_inc_ref_noherr(min_id, false) < 0)
             HGOTO_DONE(FAIL);
         estack->slot[estack->nused].min_num = min_id;
         /* The 'func' & 'file' strings are statically allocated (by the compiler)

src/H5Iint.c

@@ -1230,6 +1230,27 @@ H5I_dec_app_ref_always_close_async(hid_t id, void **token)
     FUNC_LEAVE_NOAPI(ret_value)
 } /* end H5I_dec_app_ref_always_close_async() */
 
+/*-------------------------------------------------------------------------
+ * Function:    H5I_do_inc_ref
+ *
+ * Purpose:     Helper function for H5I_inc_ref/H5I_inc_ref_noherr to
+ *              actually increment the reference count for an object.
+ *
+ * Return:      The new reference count (can't fail)
+ *
+ *-------------------------------------------------------------------------
+ */
+static inline int
+H5I_do_inc_ref(H5I_id_info_t *info, bool app_ref)
+{
+    /* Adjust reference counts */
+    ++(info->count);
+    if (app_ref)
+        ++(info->app_count);
+
+    return (int)(app_ref ? info->app_count : info->count);
+}
+
 /*-------------------------------------------------------------------------
  * Function:    H5I_inc_ref
  *
@@ -1255,18 +1276,59 @@ H5I_inc_ref(hid_t id, bool app_ref)
     if (NULL == (info = H5I__find_id(id)))
         HGOTO_ERROR(H5E_ID, H5E_BADID, (-1), "can't locate ID");
 
-    /* Adjust reference counts */
-    ++(info->count);
-    if (app_ref)
-        ++(info->app_count);
-
     /* Set return value */
-    ret_value = (int)(app_ref ? info->app_count : info->count);
+    ret_value = H5I_do_inc_ref(info, app_ref);
 
 done:
     FUNC_LEAVE_NOAPI(ret_value)
 } /* end H5I_inc_ref() */
 
+/*-------------------------------------------------------------------------
+ * Function:    H5I_inc_ref_noherr
+ *
+ * Purpose:     Increment the reference count for an object. Exactly like
+ *              H5I_inc_ref, except that it makes use of HGOTO_DONE on
+ *              failure instead of HGOTO_ERROR. This function is
+ *              specifically meant to be used in the H5E package, where we
+ *              have to avoid calling any function or macro that may call
+ *              HGOTO_ERROR and similar. Otherwise, we can cause a stack
+ *              overflow that looks like (for example):
+ *
+ *              H5E_printf_stack()
+ *              H5E__push_stack()
+ *              H5I_inc_ref()
+ *              H5I__find_id() (FAIL)
+ *                HGOTO_ERROR()
+ *                H5E_printf_stack()
+ *                ...
+ *
+ * Return:      Success:    The new reference count
+ *              Failure:    -1
+ *
+ *-------------------------------------------------------------------------
+ */
+int
+H5I_inc_ref_noherr(hid_t id, bool app_ref)
+{
+    H5I_id_info_t *info      = NULL; /* Pointer to the ID info */
+    int            ret_value = 0;    /* Return value */
+
+    FUNC_ENTER_NOAPI_NOERR
+
+    /* Sanity check */
+    assert(id >= 0);
+
+    /* General lookup of the ID */
+    if (NULL == (info = H5I__find_id(id)))
+        HGOTO_DONE((-1));
+
+    /* Set return value */
+    ret_value = H5I_do_inc_ref(info, app_ref);
+
+done:
+    FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5I_inc_ref_noherr() */
+
 /*-------------------------------------------------------------------------
  * Function:    H5I_get_ref
  *

src/H5Iprivate.h

@@ -68,6 +68,7 @@ H5_DLL H5I_type_t H5I_get_type(hid_t id);
 H5_DLL herr_t     H5I_iterate(H5I_type_t type, H5I_search_func_t func, void *udata, bool app_ref);
 H5_DLL int        H5I_get_ref(hid_t id, bool app_ref);
 H5_DLL int        H5I_inc_ref(hid_t id, bool app_ref);
+H5_DLL int        H5I_inc_ref_noherr(hid_t id, bool app_ref);
 H5_DLL int        H5I_dec_ref(hid_t id);
 H5_DLL int        H5I_dec_app_ref(hid_t id);
 H5_DLL int        H5I_dec_app_ref_async(hid_t id, void **token);