STINNER Victor <[email protected]> added the comment:
test_enable_file, test_enable_single_thread, test_gil_released and
test_read_null read an int (4 bytes) from the address 0 (NULL).
test_sigsegv pass: this test raises explicitly a SIGSEGV and the signal handler
writes the right message ("Segmentation fault").
Mac OS X Lion raises maybe a SIGILL on a segmentation fault if the address is
zero? I suppose that it raises a SIGSEGV if the address is not zero.
Can you try to modify the function faulthandler_read_null() in
Modules/faulthandler.c: replace "int *x = NULL, y;" by "int *x = (int *)1, y;"
? Then recompile (make) and rerun the test (./python.exe -m test -v
test_faulthandler).
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<http://bugs.python.org/issue12700>
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