raulcd commented on issue #49935:
URL: https://github.com/apache/arrow/issues/49935#issuecomment-4387000560
I've been able to reproduce with:
```python
pandas==3.0.2
pyarrow==24.0.0
```
See:
```python
Python 3.13.12 (main, Feb 4 2026, 15:06:39) [GCC 15.2.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import pandas as pd
... import pyarrow as pa
...
... null_col = pd.array([pd.NA], dtype=pd.ArrowDtype(pa.null()))
... df = pd.DataFrame({"x": null_col})
... df_orig = pd.DataFrame({"x": null_col})
...
>>> df.fillna(df_orig)
/arrow/cpp/src/arrow/result.cc:27: Constructed with a non-error status: OK
Aborted python
```
debug trace points to `arrow::compute::internal::(anonymous
namespace)::ReplaceMaskChunked`:
```gdb
/arrow/cpp/src/arrow/result.cc:27: Constructed with a non-error status: OK
Thread 1 "python" received signal SIGABRT, Aborted.
Download failed: Invalid argument. Continuing without source file
./nptl/./nptl/pthread_kill.c.
__pthread_kill_implementation (threadid=<optimized out>,
signo=signo@entry=6, no_tid=no_tid@entry=0) at ./nptl/pthread_kill.c:44
⚠️ warning: 44 ./nptl/pthread_kill.c: No such file or directory
(gdb) bt
#0 __pthread_kill_implementation (threadid=<optimized out>,
signo=signo@entry=6, no_tid=no_tid@entry=0) at ./nptl/pthread_kill.c:44
#1 0x00007ffff7cfbdbf in __pthread_kill_internal (threadid=<optimized out>,
signo=6) at ./nptl/pthread_kill.c:89
#2 0x00007ffff7ca4d02 in __GI_raise (sig=sig@entry=6) at
../sysdeps/posix/raise.c:26
#3 0x00007ffff7c8c4b2 in __GI_abort () at ./stdlib/abort.c:77
#4 0x00007fffc5fc1324 in arrow::util::ArrowLog::~ArrowLog() [clone .cold]
() from
/home/raulcd/code/anatomy-arrow-parquet/.venv/lib/python3.13/site-packages/pyarrow/libarrow.so.2400
#5 0x00007fffc60f7a30 in
arrow::internal::DieWithMessage(std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > const&) ()
from
/home/raulcd/code/anatomy-arrow-parquet/.venv/lib/python3.13/site-packages/pyarrow/libarrow.so.2400
#6 0x00007fffc8965860 in arrow::Result<long>::Result(arrow::Status const&)
[clone .part.0] [clone .lto_priv.0] ()
from
/home/raulcd/code/anatomy-arrow-parquet/.venv/lib/python3.13/site-packages/pyarrow/libarrow_compute.so.2400
#7 0x00007fffc8ae3e8e in arrow::compute::internal::(anonymous
namespace)::ReplaceMaskChunked<arrow::NullType>::Exec(arrow::compute::KernelContext*,
arrow::compute::ExecBatch const&, arrow::Datum*) [clone .lto_priv.0] () from
/home/raulcd/code/anatomy-arrow-parquet/.venv/lib/python3.13/site-packages/pyarrow/libarrow_compute.so.2400
#8 0x00007fffc64d6818 in arrow::compute::detail::(anonymous
namespace)::VectorExecutor::Execute(arrow::compute::ExecBatch const&,
arrow::compute::detail::ExecListener*) ()
from
/home/raulcd/code/anatomy-arrow-parquet/.venv/lib/python3.13/site-packages/pyarrow/libarrow.so.2400
#9 0x00007fffc64f4d5e in
arrow::compute::detail::FunctionExecutorImpl::Execute(std::vector<arrow::Datum,
std::allocator<arrow::Datum> > const&, long) ()
from
/home/raulcd/code/anatomy-arrow-parquet/.venv/lib/python3.13/site-packages/pyarrow/libarrow.so.2400
#10 0x00007fffc64f3d79 in arrow::compute::(anonymous
namespace)::ExecuteInternal(arrow::compute::Function const&,
std::vector<arrow::Datum, std::allocator<arrow::Datum> >, long,
arrow::compute::FunctionOptions const*, arrow::compute::ExecContext*) () from
/home/raulcd/code/anatomy-arrow-parquet/.venv/lib/python3.13/site-packages/pyarrow/libarrow.so.2400
#11 0x00007fffc64f4011 in
arrow::compute::Function::Execute(std::vector<arrow::Datum,
std::allocator<arrow::Datum> > const&, arrow::compute::FunctionOptions const*,
arrow::compute::ExecContext*) const ()
from
/home/raulcd/code/anatomy-arrow-parquet/.venv/lib/python3.13/site-packages/pyarrow/libarrow.so.2400
#12 0x00007fffbf1fdad4 in
__pyx_pw_7pyarrow_8_compute_8Function_7call(_object*, _object* const*, long,
_object*) [clone .lto_priv.0] ()
from
/home/raulcd/code/anatomy-arrow-parquet/.venv/lib/python3.13/site-packages/pyarrow/_compute.cpython-313-x86_64-linux-gnu.so
#13 0x0000000000559303 in _PyObject_VectorcallTstate (tstate=0xa986e8
<_PyRuntime+283048>, callable=0x7fffbf4e7520, args=<optimized out>,
nargsf=<optimized out>, kwnames=<optimized out>)
at ../Include/internal/pycore_call.h:168
#14 PyObject_Vectorcall (callable=0x7fffbf4e7520, args=<optimized out>,
nargsf=<optimized out>, kwnames=<optimized out>) at ../Objects/call.c:327
#15 0x000000000056fa95 in _PyEval_EvalFrameDefault (tstate=<optimized out>,
frame=<optimized out>, throwflag=<optimized out>) at
../Python/generated_cases.c.h:813
#16 0x0000000000623275 in _PyEval_EvalFrame (tstate=0xa986e8
<_PyRuntime+283048>, frame=0x7ffff7faf698, throwflag=0) at
../Include/internal/pycore_ceval.h:120
#17 _PyEval_Vector (tstate=0xa986e8 <_PyRuntime+283048>,
func=0x7fffbef684a0, locals=0x0, args=0x7fffffffd460, argcount=<optimized out>,
kwnames=0x0) at ../Python/ceval.c:1820
#18 _PyFunction_Vectorcall (func=0x7fffbef684a0, stack=0x7fffffffd460,
nargsf=<optimized out>, kwnames=0x0) at ../Objects/call.c:413
#19 _PyObject_VectorcallTstate (tstate=0xa986e8 <_PyRuntime+283048>,
callable=<optimized out>, args=0x7fffffffd460, nargsf=<optimized out>,
kwnames=0x0) at ../Include/internal/pycore_call.h:168
#20 vectorcall_unbound (tstate=0xa986e8 <_PyRuntime+283048>,
unbound=<optimized out>, func=<optimized out>, args=0x7fffffffd460,
nargs=<optimized out>) at ../Objects/typeobject.c:2581
#21 vectorcall_method (name=<optimized out>, args=<optimized out>,
nargs=<optimized out>) at ../Objects/typeobject.c:2612
#22 0x000000000064042d in slot_mp_ass_subscript (self=<optimized out>,
key=<optimized out>, value=<optimized out>) at ../Objects/typeobject.c:9368
#23 0x0000000000571201 in _PyEval_EvalFrameDefault (tstate=<optimized out>,
frame=<optimized out>, throwflag=<optimized out>) at
../Python/generated_cases.c.h:5803
#24 0x00000000005dd11c in _PyObject_VectorcallTstate (tstate=0xa986e8
<_PyRuntime+283048>, callable=0x7fffbe796200, args=0x7fffc459acd0,
nargsf=<optimized out>, kwnames=<optimized out>)
at ../Include/internal/pycore_call.h:168
#25 method_vectorcall (method=<optimized out>, args=0x7fffc459acd8,
nargsf=<optimized out>, kwnames=<optimized out>) at ../Objects/classobject.c:63
#26 0x00000000005baa3f in _PyVectorcall_Call (tstate=0xa986e8
<_PyRuntime+283048>, func=0x5dcfa0 <method_vectorcall>,
callable=0x7fffbe716b00, tuple=<optimized out>, kwargs=<optimized out>)
at ../Objects/call.c:285
#27 _PyObject_Call (tstate=0xa986e8 <_PyRuntime+283048>,
callable=0x7fffbe716b00, args=<optimized out>, kwargs=<optimized out>) at
../Objects/call.c:348
#28 0x0000000000571307 in PyObject_Call (callable=0x7fffbe716b00,
args=0xa68e40 <_PyRuntime+88320>, kwargs=0x7fffbdefbc00) at
../Objects/call.c:373
#29 _PyEval_EvalFrameDefault (tstate=<optimized out>, frame=<optimized out>,
throwflag=<optimized out>) at ../Python/generated_cases.c.h:1362
#30 0x0000000000569544 in _PyEval_EvalFrame (tstate=0xa986e8
<_PyRuntime+283048>, frame=0x7ffff7faf020, throwflag=0) at
../Include/internal/pycore_ceval.h:120
#31 _PyEval_Vector (args=0x0, argcount=0, kwnames=0x0, tstate=0xa986e8
<_PyRuntime+283048>, func=0x7ffff7bd9440, locals=<optimized out>) at
../Python/ceval.c:1820
```
Probably from here, as far as I know that code is wrong because Result must
hold either a failure or the value not `Status::OK`
https://github.com/apache/arrow/blob/23cd1ff8f4e33b3207875e3395d2d6b1aeb1edc2/cpp/src/arrow/compute/kernels/vector_replace.cc#L215-L230
What is confusing to me is that this code has been touched for 4 years :)
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