diff options
| -rw-r--r-- | Modules/_ctypes/libffi_msvc/ffi.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Modules/_ctypes/libffi_msvc/ffi.c b/Modules/_ctypes/libffi_msvc/ffi.c index 65581a773f..5df4ba4be5 100644 --- a/Modules/_ctypes/libffi_msvc/ffi.c +++ b/Modules/_ctypes/libffi_msvc/ffi.c @@ -110,7 +110,7 @@ void ffi_prep_args(char *stack, extended_cif *ecif) argp += z; } - if (argp - stack > ecif->cif->bytes) + if (argp >= stack && (unsigned)(argp - stack) > ecif->cif->bytes) { Py_FatalError("FFI BUG: not enough stack space for arguments"); } |