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# See https://bugs.kde.org/show_bug.cgi?id=205541#c1
Index: memcheck/mc_main.c
===================================================================
--- memcheck/mc_main.c (revision 10877)
+++ memcheck/mc_main.c (working copy)
@@ -3708,7 +3708,14 @@
if (rr || ww || xx)
MC_(make_mem_defined)(a, len);
else
- MC_(make_mem_noaccess)(a, len);
+ MC_(make_mem_defined)(a, len);
+ /* State after mmap(,,PROT_NONE,,,) should match
+ * state after mprotect(,,PROT_NONE): the operating system
+ * will trap any access, but any subsequent mprotect(,,PROT_R|W|X)
+ * will re-instate the previous V bits [in this case, all valid].
+ * See comment in mc_pre_clo_init() re:
+ * VG_(track_change_mem_mprotect) ( NULL );
+ */
}
static
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