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[3.14] gh-149619: Fix `_remote_debugging` permissions error on Linux (GH-150012) by pablogsal · Pull Request #154825 · python/cpython · GitHub

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[3.14] gh-149619: Fix _remote_debugging permissions error on Linux (GH-150012) #154825

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Merged
pablogsal merged 1 commit into from
Jul 28, 2026
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[3.14] gh-149619: Fix _remote_debugging permissions error on Linux (GH-150012) #154825

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18 changes: 11 additions & 7 deletions Python/remote_debug.h
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Original file line number Diff line number Diff line change
Expand Up @@ -159,7 +159,9 @@ _Py_RemoteDebug_ValidatePyRuntimeCookie(proc_handle_t *handle, uintptr_t address
}
char buf[sizeof(_Py_Debug_Cookie) - 1];
if (_Py_RemoteDebug_ReadRemoteMemory(handle, address, sizeof(buf), buf) != 0) {
PyErr_Clear();
if (!_Py_RemoteDebug_HasPermissionError()) {
PyErr_Clear();
}
return 0;
}
return memcmp(buf, _Py_Debug_Cookie, sizeof(buf)) == 0;
Expand Down Expand Up @@ -1062,12 +1064,14 @@ _Py_RemoteDebug_GetPyRuntimeAddress(proc_handle_t* handle)
address = search_linux_map_for_section(handle, "PyRuntime", "python",
_Py_RemoteDebug_ValidatePyRuntimeCookie);
if (address == 0) {
// Error out: 'python' substring covers both executable and DLL
PyObject *exc = PyErr_GetRaisedException();
PyErr_Format(PyExc_RuntimeError,
"Failed to find the PyRuntime section in process %d on Linux platform",
handle->pid);
_PyErr_ChainExceptions1(exc);
if (!_Py_RemoteDebug_HasPermissionError()) {
// Error out: 'python' substring covers both executable and DLL
PyObject *exc = PyErr_GetRaisedException();
PyErr_Format(PyExc_RuntimeError,
"Failed to find the PyRuntime section in process %d on Linux platform",
handle->pid);
_PyErr_ChainExceptions1(exc);
}
}
#elif defined(__APPLE__) && defined(TARGET_OS_OSX) && TARGET_OS_OSX
// On macOS, try libpython first, then fall back to python
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