diff --git a/t/valgrind/default.supp b/t/valgrind/default.supp
index 2482b3b06a..5f341b8598 100644
--- a/t/valgrind/default.supp
+++ b/t/valgrind/default.supp
@@ -4,6 +4,12 @@
 	obj:*libz.so*
 }
 
+{
+	ignore-zlib-errors-value8
+	Memcheck:Value8
+	obj:*libz.so*
+}
+
 {
 	ignore-zlib-errors-value4
 	Memcheck:Value4
@@ -11,11 +17,27 @@
 }
 
 {
-	writing-data-from-zlib-triggers-errors
+	ignore-ldso-cond
+	Memcheck:Cond
+	obj:*ld-*.so
+}
+
+{
+	ignore-ldso-addr8
+	Memcheck:Addr8
+	obj:*ld-*.so
+}
+
+{
+	ignore-ldso-addr4
+	Memcheck:Addr4
+	obj:*ld-*.so
+}
+
+{
+	writing-data-from-zlib-triggers-even-more-errors
 	Memcheck:Param
 	write(buf)
-	obj:/lib/ld-*.so
-	fun:write_in_full
-	fun:write_buffer
+	...
 	fun:write_loose_object
 }