Xiang Zhang added the comment:
I could reproduce this using Audric's command. And yes, debug build doesn't
suffer from this crash. Nosy Victor.
DEBUG:root:Called with: ['/tmp/minimal_crash.py', '-d', 'sqlite:///crash.db',
'-v']
INFO:__main__:Connecting to DB 'sqlite:///crash.db'
INFO:sqlalchemy.engine.base.Engine:SELECT CAST('test plain returns' AS
VARCHAR(60)) AS anon_1
INFO:sqlalchemy.engine.base.Engine:()
INFO:sqlalchemy.engine.base.Engine:SELECT CAST('test unicode returns' AS
VARCHAR(60)) AS anon_1
INFO:sqlalchemy.engine.base.Engine:()
INFO:sqlalchemy.engine.base.Engine:BEGIN (implicit)
INFO:sqlalchemy.engine.base.Engine:SELECT table_name.id AS table_name_id,
table_name.att_1 AS table_name_att_1, table_name.att_2 AS table_name_att_2,
table_name.att_3 AS table_name_att_3, table_name.date_1 AS table_name_date_1,
table_name.date_2 AS table_name_date_2
FROM table_name
WHERE table_name.id = ? AND table_name.att_1 = ? AND table_name.att_2 = ? AND
table_name.att_3 = ?
INFO:sqlalchemy.engine.base.Engine:('12345678912345', '123456789123456', 2, 4)
DEBUG:__main__:No item found, new item
DEBUG:__main__:Documents processed
INFO:sqlalchemy.engine.base.Engine:INSERT INTO table_name (id, att_1, att_2,
att_3, date_1, date_2) VALUES (?, ?, ?, ?, ?, ?)
INFO:sqlalchemy.engine.base.Engine:('12345678912345', None, None, None, None,
None)
INFO:sqlalchemy.engine.base.Engine:ROLLBACK
Program received signal SIGSEGV, Segmentation fault.
_PyObject_Alloc (ctx=0x0, elsize=296, nelem=1, use_calloc=0) at
Objects/obmalloc.c:1258
1258 if ((pool->freeblock = *(block **)bp) != NULL) {
(gdb) bt
#0 _PyObject_Alloc (ctx=0x0, elsize=296, nelem=1, use_calloc=0) at
Objects/obmalloc.c:1258
#1 _PyObject_Malloc (ctx=0x0, nbytes=296) at Objects/obmalloc.c:1437
#2 0x000055555564082c in new_keys_object (size=<optimized out>) at
Objects/dictobject.c:536
#3 dictresize (mp=mp@entry=0x7ffff7e36510, minsize=<optimized out>) at
Objects/dictobject.c:1242
#4 0x000055555564456f in insertion_resize (mp=0x7ffff7e36510) at
Objects/dictobject.c:1094
#5 insertdict (value=<optimized out>, hash=<optimized out>, key=<optimized
out>, mp=<optimized out>) at Objects/dictobject.c:1142
#6 PyDict_SetItem (value=0x7ffff39f5d68, key=0x7ffff66f9260,
op=0x7ffff7e36510) at Objects/dictobject.c:1564
#7 dict_ass_sub (mp=0x7ffff7e36510, v=0x7ffff66f9260, w=0x7ffff39f5d68) at
Objects/dictobject.c:2148
#8 0x00005555555af8d4 in _PyEval_EvalFrameDefault (f=<optimized out>,
throwflag=<optimized out>) at Python/ceval.c:1673
#9 0x00005555555ab211 in PyEval_EvalFrameEx (throwflag=0, f=0x7ffff3487da0) at
Python/ceval.c:664
#10 _PyFunction_FastCall (co=<optimized out>, args=<optimized out>, nargs=2,
globals=<optimized out>) at Python/ceval.c:4926
#11 0x00005555555b30ff in call_function (kwnames=0x0, oparg=<optimized out>,
pp_stack=<synthetic pointer>) at Python/ceval.c:4868
#12 _PyEval_EvalFrameDefault (f=<optimized out>, throwflag=<optimized out>) at
Python/ceval.c:3290
#13 0x00005555556e37b0 in PyEval_EvalFrameEx (throwflag=0, f=0x555555eb0ce8) at
Python/ceval.c:664
#14 _PyEval_EvalCodeWithName (_co=0x7ffff7e34300, globals=<optimized out>,
locals=locals@entry=0x0, args=<optimized out>, argcount=2,
kwnames=0x7ffff7e360f0, kwargs=0x555555eaf210, kwcount=3, kwstep=1,
defs=0x0, defcount=0, kwdefs=0x7ffff7e36480, closure=0x0,
name=0x7ffff7e30420, qualname=0x7ffff7e31f60) at Python/ceval.c:4165
#15 0x00005555556e395b in fast_function (func=<optimized out>, stack=<optimized
out>, nargs=<optimized out>, kwnames=<optimized out>) at Python/ceval.c:4987
#16 0x00005555555b22a8 in call_function (kwnames=0x7ffff7e360d8,
oparg=<optimized out>, pp_stack=<synthetic pointer>) at Python/ceval.c:4868
#17 _PyEval_EvalFrameDefault (f=<optimized out>, throwflag=<optimized out>) at
Python/ceval.c:3336
...
----------
nosy: +haypo, xiang.zhang
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<http://bugs.python.org/issue29438>
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