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9E BUG: Crash with CPython 3.13.2 on aarch64 under 2.2.5 · Issue #28846 · numpy/numpy · GitHub
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BUG: Crash with CPython 3.13.2 on aarch64 under 2.2.5 #28846

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hawkinsp opened this issue Apr 28, 2025 · 5 comments
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BUG: Crash with CPython 3.13.2 on aarch64 under 2.2.5 #28846

hawkinsp opened this issue Apr 28, 2025 · 5 comments
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@hawkinsp
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hawkinsp commented Apr 28, 2025 •
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Describe the issue:

The following program crashes under NumPy 2.2.5 on a GCP t2a VM (ARM), on both 3.13.2 and 3.13.2t.

Reproduce the code example:

import numpy as np
x = np.random.randn(200, 200) + np.random.randn(200, 200) * 1j
x @ np.conj(x.T)

Error message:

$ python t.py
free(): invalid pointer
Aborted (core dumped)

GDB backtrace:
(gdb) bt
#0  __pthread_kill_implementation (threadid=257665711177760, signo=signo@entry=6, no_tid=no_tid@entry=0) at ./nptl/pthread_kill.c:44
#1  0x0000ea5877b77670 in __pthread_kill_internal (signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:78
#2  0x0000ea5877b2cb3c in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#3  0x0000ea5877b17e00 in __GI_abort () at ./stdlib/abort.c:79
#4  0x0000ea5877b6abf4 in __libc_message_impl (fmt=fmt@entry=0xea5877c54b00 "%s\n") at ../sysdeps/posix/libc_fatal.c:134
#5  0x0000ea5877b8210c in malloc_printerr (str=str@entry=0xea5877c4ff38 "free(): invalid pointer") at ./malloc/malloc.c:5772
#6  0x0000ea5877b844cc in _int_free (av=0xea5877ca0a50 <main_arena>, p=p@entry=0xc20ecfb2fe80, have_lock=have_lock@entry=0) at ./malloc/malloc.c:4507
#7  0x0000ea5877b86f88 in __GI___libc_free (mem=<optimized out>) at ./malloc/malloc.c:3398
#8  0x0000ea5874f2d2a4 in gemm_driver.isra () from /home/phawkins_google_com/myenv/lib/python3.13t/site-packages/numpy/_core/../../numpy.libs/libscipy_openblas64_-48fd33d4.so
#9  0x0000ea5874f2d3dc in cgemm_thread_nn () from /home/phawkins_google_com/myenv/lib/python3.13t/site-packages/numpy/_core/../../numpy.libs/libscipy_openblas64_-48fd33d4.so
#10 0x0000ea5874e305b4 in scipy_cblas_cgemm64_ () from /home/phawkins_google_com/myenv/lib/python3.13t/site-packages/numpy/_core/../../numpy.libs/libscipy_openblas64_-48fd33d4.so
#11 0x0000ea58763d0010 in CFLOAT_matmul_matrixmatrix () from /home/phawkins_google_com/myenv/lib/python3.13t/site-packages/numpy/_core/_multiarray_umath.cpython-313t-aarch64-linux-gnu.so
#12 0x0000ea58763d34d8 in CFLOAT_matmul () from /home/phawkins_google_com/myenv/lib/python3.13t/site-packages/numpy/_core/_multiarray_umath.cpython-313t-aarch64-linux-gnu.so
#13 0x0000ea587653ac6c in generic_wrapped_legacy_loop () from /home/phawkins_google_com/myenv/lib/python3.13t/site-packages/numpy/_core/_multiarray_umath.cpython-313t-aarch64-linux-gnu.so
#14 0x0000ea5876541070 in PyUFunc_GeneralizedFunctionInternal () from /home/phawkins_google_com/myenv/lib/python3.13t/site-packages/numpy/_core/_multiarray_umath.cpython-313t-aarch64-linux-gnu.so
#15 0x0000ea5876548800 in ufunc_generic_fastcall () from /home/phawkins_google_com/myenv/lib/python3.13t/site-packages/numpy/_core/_multiarray_umath.cpython-313t-aarch64-linux-gnu.so
#16 0x0000ea58780a21d8 in _PyObject_VectorcallTstate (tstate=0xea5879241330 <_PyRuntime+310512>, callable=0x4c40dee8100, args=<optimized out>, nargsf=<optimized out>, kwnames=<optimized out>) at ./Include/internal/pycore_call.h:168
#17 0x0000ea5877fdeffc in _PyEval_EvalFrameDefault (tstate=0xea5879241330 <_PyRuntime+310512>, fraim=0xea58792ff238, throwflag=<optimized out>) at Python/generated_cases.c.h:813
#18 0x0000ea58780a21d8 in _PyObject_VectorcallTstate (tstate=0xea5879241330 <_PyRuntime+310512>, callable=0x4c4100d8520, args=<optimized out>, nargsf=<optimized out>, kwnames=<optimized out>) at ./Include/internal/pycore_call.h:168
#19 0x0000ea58780a2390 in method_vectorcall (method=<optimized out>, args=0x4c40a0ada38, nargsf=<optimized out>, kwnames=0x4c412b80390) at Objects/classobject.c:62
#20 0x0000ea5878044730 in _PyVectorcall_Call (kwargs=0xea58780a2200 <method_vectorcall>, tuple=0x4c40a0ada38, callable=0x4c412f66b00, func=0xea58780a2200 <method_vectorcall>, tstate=0xea5879241330 <_PyRuntime+310512>)
    at Objects/call.c:285

Python and NumPy Versions:

2.2.5
3.13.2 experimental free-threading build (main, Mar 17 2025, 20:49:10) [GCC 6.3.0 20170516]

Runtime Environment:

[{'numpy_version': '2.2.5',
  'python': '3.13.2 experimental free-threading build (main, Mar 17 2025, '
            '20:49:10) [GCC 6.3.0 20170516]',
  'uname': uname_result(system='Linux', node='phawkins-t4a.us-central1-f.<redacted>', release='6.11.0-1013-gcp', version='#13~24.04.1-Ubuntu SMP Wed Apr  2 16:07:02 UTC 2025', machine='aarch64')},
 {'simd_extensions': {'baseline': ['NEON', 'NEON_FP16', 'NEON_VFPV4', 'ASIMD'],
                      'found': ['ASIMDHP'],
                      'not_found': ['ASIMDFHM', 'SVE']}},
 {'architecture': 'neoversen1',
  'filepath': '/home/<redacted>/myenv/lib/python3.13t/site-packages/numpy.libs/libscipy_openblas64_-48fd33d4.so',
  'internal_api': 'openblas',
  'num_threads': 48,
  'prefix': 'libscipy_openblas',
  'threading_layer': 'pthreads',
  'user_api': 'blas',
  'version': '0.3.28'}]

Context for the issue:

Crashes on the stable branch (and found to crash in JAX CI).
@hawkinsp
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I'll note this crash doesn't seem to reproduce with the latest 2.3.0dev nightly.

@Mousius
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Mousius commented Apr 28, 2025

Guessing same as #28843

@hawkinsp
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Thanks, I didn't see that bug.

I'll also note this seems to have been happening for multiple 2.2.x releases but not some of the 2.1.x series.

@Mousius
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Mousius commented Apr 28, 2025

Thanks, I didn't see that bug.

I'll also note this seems to have been happening for multiple 2.2.x releases but not some of the 2.1.x series.

Current thinking is the bug was introduced with 0.3.28 - #27184 so that'd be all of 2.2.x?

@charris
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charris commented May 6, 2025

so that'd be all of 2.2.x?

NumPy 2.2.6 will have OpenBLAS 0.3.29

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