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assignee=Noneclosed_at=<Date2021-09-21.20:06:38.466>created_at=<Date2021-05-21.10:48:37.741>labels= ['tests', '3.11']
title='test__xxsubinterpreters: heap-buffer-overflow in interp_is_running() on AMD64 Arch Linux Asan 3.x'updated_at=<Date2021-09-21.20:06:38.465>user='https://github.com/vstinner'
bpo-44100: test__xxsubinterpreters: test_one() fails in AMD64 Fedora Stable 3.x: "Fatal Python error: Py_EndInterpreter: thread still has a frame"
0:37:59 load avg: 1.07 Re-running test__xxsubinterpreters in verbose mode
(...)
test_from_sibling (test.test__xxsubinterpreters.DestroyTests) ... ok
test_main (test.test__xxsubinterpreters.DestroyTests) ... ok
test_one (test.test__xxsubinterpreters.DestroyTests) ... ok
=================================================================
==16132==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x608000783694 at pc 0x7f20abecb577 bp 0x7fff392627b0 sp 0x7fff392627a0
READ of size 1 at 0x608000783694 thread T0
#0 0x7f20abecb576 in _PyFrame_IsExecuting Include/cpython/frameobject.h:53 #1 0x7f20abecb576 in _is_running /buildbot/buildarea/3.x.pablogsal-arch-x86_64.asan/build/Modules/_xxsubinterpretersmodule.c:1842 #2 0x7f20abecb576 in interp_is_running /buildbot/buildarea/3.x.pablogsal-arch-x86_64.asan/build/Modules/_xxsubinterpretersmodule.c:2255 #3 0x55a7ff1daa4f in cfunction_call Objects/methodobject.c:539
(...) #194 0x55a7fed361f4 in Py_BytesMain Modules/main.c:720
0x608000783694 is located 12 bytes to the left of 96-byte region [0x6080007836a0,0x608000783700)
allocated by thread T0 here:
#0 0x7f20b27b2459 in __interceptor_malloc /build/gcc/src/gcc/libsanitizer/asan/asan_malloc_linux.cpp:145 #1 0x55a7ff035572 in _PyObject_GC_Alloc Modules/gcmodule.c:2250
(...) #8 0x55a7ff24eedd in builtin___build_class__ Python/bltinmodule.c:225
(...) #17 0x55a7fef8dd90 in exec_code_in_module Python/import.c:771
(...) #20 0x55a7fefc33f6 in init_importlib Python/pylifecycle.c:141 #21 0x55a7fefc33f6 in pycore_interp_init Python/pylifecycle.c:811 #22 0x55a7fefccf03 in new_interpreter Python/pylifecycle.c:1916 #23 0x55a7fefccf03 in _Py_NewInterpreter Python/pylifecycle.c:1946 #24 0x7f20abec613c in interp_create /buildbot/buildarea/3.x.pablogsal-arch-x86_64.asan/build/Modules/_xxsubinterpretersmodule.c:2022
(...)
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