Issue 5735: Segfault when loading not recompiled module (original) (raw)

I compiled two versions of python(both from main trunk)

Here's what I do: $cd /usr/local/src/Python-3.0.1/ $./configure $make && make install ... $cd ~/pyext/ $python3.0 setup.py install ... "run python3.0 and import ext1 -- it worked ok" ... $cd /usr/local/src/Python-3.0.1 $mkdir debug $cd debug $./../configure --with-pydebug $make $./python ... Try to import a ext1, and got a Segfault

Backtrace from gdb: (gdb) backtrace #0 0xb7e9b1cb in strlen () from /lib/i686/cmov/libc.so.6 #1 0x0807c06d in PyUnicodeUCS2_FromString (u=0xffffffff <Address 0xffffffff out of bounds>) at ./../Objects/unicodeobject.c:553 #2 0x0816251a in PyModule_New (name=0xffffffff <Address 0xffffffff out of bounds>) at ./../Objects/moduleobject.c:39 #3 0x0816282d in PyModule_Create2 (module=0xb7fd26a0, module_api_version=1013) at ./../Objects/moduleobject.c:106 #4 0xb7fd14b8 in PyInit_ext1 () at ext1.c:40 #5 0x080cfda0 in PyImport_LoadDynamicModule (name=0xbf9f8a17 "ext1", pathname=0xbf9f798f "/usr/local/lib/python3.0/site-packages/ext1.so", fp=0x9a18ef8) at ./../Python/importdl.c:57 #6 0x080cc226 in load_module (name=0xbf9f8a17 "ext1", fp=0x9a18ef8, buf=0xbf9f798f "/usr/local/lib/python3.0/site-packages/ext1.so", type=3, loader=0x0) at ./../Python/import.c:1807 #7 0x080ce236 in import_submodule (mod=0x81b8d4c, subname=0xbf9f8a17 "ext1", fullname=0xbf9f8a17 "ext1") at ./../Python/import.c:2601 #8 0x080cd7b6 in load_next (mod=0x81b8d4c, altmod=0x81b8d4c, p_name=0xbf9f9a30, buf=0xbf9f8a17 "ext1", p_buflen=0xbf9f8a10) at ./../Python/import.c:2406 #9 0x080ccbdf in import_module_level (name=0x0, globals=0xb7e10714, locals=0xb7e10714, fromlist=0x81b8d4c, level=0) at ./../Python/import.c:2123 #10 0x080ccfc7 in PyImport_ImportModuleLevel (name=0x9a057f0 "ext1", globals=0xb7e10714, locals=0xb7e10714, fromlist=0x81b8d4c, level=0) at ./../Python/import.c:2174 #11 0x0809f65f in builtin___import_ (self=0xb7df6ce4, args=0xb7df7a9c, kwds=0x0) at ./../Python/bltinmodule.c:173 #12 0x08161e56 in PyCFunction_Call (func=0xb7df6dfc, arg=0xb7df7a9c, kw=0x0) at ./../Objects/methodobject.c:84 #13 0x081179c1 in PyObject_Call (func=0xb7df6dfc, arg=0xb7df7a9c, kw=0x0) at ./../Objects/abstract.c:2161 #14 0x080b1806 in PyEval_CallObjectWithKeywords (func=0xb7df6dfc, arg=0xb7df7a9c, kw=0x0) at ./../Python/ceval.c:3313 #15 0x080ac71c in PyEval_EvalFrameEx (f=0x9a3105c, throwflag=0) at ./../Python/ceval.c:1995 #16 0x080b03fa in PyEval_EvalCodeEx (co=0x9983ec8, globals=0xb7e10714, locals=0xb7e10714, args=0x0, argcount=0, kws=0x0, kwcount=0, defs=0x0, defcount=0, kwdefs=0x0, closure=0x0) at ./../Python/ceval.c:2869 #17 0x080a562b in PyEval_EvalCode (co=0x9983ec8, globals=0xb7e10714, locals=0xb7e10714) at ./../Python/ceval.c:526 #18 0x080dcb68 in run_mod (mod=0x9a78d68, filename=0x819ff60 "", globals=0xb7e10714, locals=0xb7e10714, flags=0xbf9faf70, arena=0x99126d8) at ./../Python/pythonrun.c:1686 #19 0x080dadf1 in PyRun_InteractiveOneFlags (fp=0xb7f81420, filename=0x819ff60 "", flags=0xbf9faf70) at ./../Python/pythonrun.c:1081 #20 0x080da953 in PyRun_InteractiveLoopFlags (fp=0xb7f81420, filename=0x819ff60 "", flags=0xbf9faf70) at ./../Python/pythonrun.c:993 #21 0x080da7ab in PyRun_AnyFileExFlags (fp=0xb7f81420, filename=0x819ff60 "", closeit=0, flags=0xbf9faf70) at ./../Python/pythonrun.c:962 #22 0x080ec7a7 in Py_Main (argc=1, argv=0xb7de3028) at ./../Modules/main.c:625 #23 0x0805a75b in main (argc=1, argv=0xbf9fb0b4) at ./../Modules/python.c:70