diff -Nur clamav-0.103.6/clambc/bcrun.c clamav-0.103.6_bak/clambc/bcrun.c
--- clamav-0.103.6/clambc/bcrun.c	2022-05-02 12:46:41.000000000 +0800
+++ clamav-0.103.6_bak/clambc/bcrun.c	2022-05-26 10:02:06.307956926 +0800
@@ -406,7 +406,7 @@
         // ctx was memset, so recursion_level starts at 0.
         cctx.recursion_stack[cctx.recursion_level].fmap = map;
         cctx.recursion_stack[cctx.recursion_level].type = CL_TYPE_ANY; /* ANY for the top level, because we don't yet know the type. */
-        cctx.recursion_stack[cctx.recursion_level].size = map->len;
+        //cctx.recursion_stack[cctx.recursion_level].size = map->len;
 
         cctx.fmap = cctx.recursion_stack[cctx.recursion_level].fmap;