ruby-changes:62762

https://git.ruby-lang.org/ruby.git/commit/?id=9eda654781

From 9eda6547812cbda23a73ba3b2620520b0de2bdd6 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Sun, 30 Aug 2020 16:07:12 +0900
Subject: KNOWNBUGS.rb: use-after-poison since
 b9007b6c548f91e88fd3f2ffa23de740431fa969


diff --git a/KNOWNBUGS.rb b/KNOWNBUGS.rb
index 35a8e75..4db33a6 100644
--- a/KNOWNBUGS.rb
+++ b/KNOWNBUGS.rb
@@ -5,3 +5,85 @@ https://github.com/ruby/ruby/blob/trunk/KNOWNBUGS.rb#L5
 # This test file includes tests which point out known bugs.
 # So all tests will cause failure.
 #
+
+assert_normal_exit %q{
+  using Module.new
+}
+
+=begin
+=================================================================
+==43397==ERROR: AddressSanitizer: use-after-poison on address 0x62d000004028 at pc 0x000107ffd8b2 bp 0x7ffee87380d0 sp 0x7ffee87380c8
+READ of size 8 at 0x62d000004028 thread T0
+    #0 0x107ffd8b1 in invalidate_all_cc vm_method.c:243
+    #1 0x107a891bf in objspace_each_objects_without_setup gc.c:3074
+    #2 0x107ab6d4b in objspace_each_objects_protected gc.c:3084
+    #3 0x107a5409b in rb_ensure eval.c:1137
+    #4 0x107a88bcb in objspace_each_objects gc.c:3152
+    #5 0x107a8888a in rb_objspace_each_objects gc.c:3136
+    #6 0x107ffd843 in rb_clear_method_cache_all vm_method.c:259
+    #7 0x107a55c9f in rb_using_module eval.c:1483
+    #8 0x107a57dcf in top_using eval.c:1829
+    #9 0x10806f65f in call_cfunc_1 vm_insnhelper.c:2439
+    #10 0x108062ea5 in vm_call_cfunc_with_frame vm_insnhelper.c:2601
+    #11 0x1080491b7 in vm_call_cfunc vm_insnhelper.c:2622
+    #12 0x108048136 in vm_call_method_each_type vm_insnhelper.c:3100
+    #13 0x108047507 in vm_call_method vm_insnhelper.c:3204
+    #14 0x10800c03c in vm_call_general vm_insnhelper.c:3240
+    #15 0x10803858e in vm_sendish vm_insnhelper.c:4194
+    #16 0x107feb993 in vm_exec_core insns.def:799
+    #17 0x1080223db in rb_vm_exec vm.c:1944
+    #18 0x108026d2f in rb_iseq_eval_main vm.c:2201
+    #19 0x107a4e863 in rb_ec_exec_node eval.c:296
+    #20 0x107a4e323 in ruby_run_node eval.c:354
+    #21 0x1074c2c94 in main main.c:50
+    #22 0x7fff6b093cc8 in start (libdyld.dylib:x86_64+0x1acc8)
+
+0x62d000004028 is located 40 bytes inside of 16384-byte region [0x62d000004000,0x62d000008000)
+allocated by thread T0 here:
+    #0 0x1086bf1c0 in wrap_posix_memalign (libclang_rt.asan_osx_dynamic.dylib:x86_64h+0x461c0)
+    #1 0x107a9be2f in rb_aligned_malloc gc.c:9748
+    #2 0x107ab26fd in heap_page_allocate gc.c:1771
+    #3 0x107ab24a4 in heap_page_create gc.c:1875
+    #4 0x107ab23e8 in heap_assign_page gc.c:1895
+    #5 0x107a88093 in heap_add_pages gc.c:1908
+    #6 0x107a87f8f in Init_heap gc.c:3030
+    #7 0x107a4afd6 in ruby_setup eval.c:85
+    #8 0x107a4b64c in ruby_init eval.c:108
+    #9 0x1074c2c02 in main main.c:49
+    #10 0x7fff6b093cc8 in start (libdyld.dylib:x86_64+0x1acc8)
+
+SUMMARY: AddressSanitizer: use-after-poison vm_method.c:243 in invalidate_all_cc
+Shadow bytes around the buggy address:
+  0x1c5a000007b0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
+  0x1c5a000007c0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
+  0x1c5a000007d0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
+  0x1c5a000007e0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
+  0x1c5a000007f0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
+=>0x1c5a00000800: 00 00 00 00 00[f7]00 00 00 00 f7 00 00 00 00 f7
+  0x1c5a00000810: 00 00 00 00 f7 00 00 00 00 f7 00 00 00 00 f7 00
+  0x1c5a00000820: 00 00 00 f7 00 00 00 00 f7 00 00 00 00 f7 00 00
+  0x1c5a00000830: 00 00 f7 00 00 00 00 f7 00 00 00 00 f7 00 00 00
+  0x1c5a00000840: 00 f7 00 00 00 00 f7 00 00 00 00 f7 00 00 00 00
+  0x1c5a00000850: f7 00 00 00 00 f7 00 00 00 00 f7 00 00 00 00 f7
+Shadow byte legend (one shadow byte represents 8 application bytes):
+  Addressable:           00
+  Partially addressable: 01 02 03 04 05 06 07
+  Heap left redzone:       fa
+  Freed heap region:       fd
+  Stack left redzone:      f1
+  Stack mid redzone:       f2
+  Stack right redzone:     f3
+  Stack after return:      f5
+  Stack use after scope:   f8
+  Global redzone:          f9
+  Global init order:       f6
+  Poisoned by user:        f7
+  Container overflow:      fc
+  Array cookie:            ac
+  Intra object redzone:    bb
+  ASan internal:           fe
+  Left alloca redzone:     ca
+  Right alloca redzone:    cb
+  Shadow gap:              cc
+==43397==ABORTING
+=end
-- 
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