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[3.15] gh-149619: Harden _remote_debugging error paths (GH-150349) (#150435)

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(cherry picked from commit a5be25d3bd)
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Pablo Galindo Salgado 2026-05-26 00:02:37 +01:00 • committed by GitHub
parent d23b06b2a8
commit d5381e18b8
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11 changed files with 597 additions and 196 deletions
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Modules/_remote_debugging/code_objects.c
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@ -47,7 +47,6 @@ cache_tlbc_array(RemoteUnwinderObject *unwinder, uintptr_t code_addr, uintptr_t
// Read the TLBC array pointer
if (read_ptr(unwinder, tlbc_array_addr, &tlbc_array_ptr) != 0) {
PyErr_SetString(PyExc_RuntimeError, "Failed to read TLBC array pointer");
set_exception_cause(unwinder, PyExc_RuntimeError, "Failed to read TLBC array pointer");
return 0; // Read error
}
@ -61,7 +60,6 @@ cache_tlbc_array(RemoteUnwinderObject *unwinder, uintptr_t code_addr, uintptr_t
// Read the TLBC array size
Py_ssize_t tlbc_size;
if (_Py_RemoteDebug_PagedReadRemoteMemory(&unwinder->handle, tlbc_array_ptr, sizeof(tlbc_size), &tlbc_size) != 0) {
PyErr_SetString(PyExc_RuntimeError, "Failed to read TLBC array size");
set_exception_cause(unwinder, PyExc_RuntimeError, "Failed to read TLBC array size");
return 0; // Read error
}