#0  0x00007ffff6a080db in _wordcopy_bwd_dest_aligned (dstp=8761328, srcp=8761312, len=2305843009212022148) at wordcopy.c:398
#1  0x00007ffff6a01b17 in __memmove_sse2 (dest=0x151c3e1, src=<optimized out>, len=18446744073709551599) at ../string/memmove.c:102
#2  0x00007ffff22e3b3d in ChertTable::add_item_to_block (this=<optimized out>, p=<optimized out>, kt_=<optimized out>, c=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/string3.h:58
#3  0x00007ffff22e5662 in ChertTable::add_item (this=0x14f4978, kt_=..., j=0) at ../backends/chert/chert_table.cc:799
#4  0x00007ffff22e89a4 in ChertTable::add_kt (this=<optimized out>, found=<optimized out>) at ../backends/chert/chert_table.cc:932
#5  0x00007ffff22e8f83 in ChertTable::add (this=0x14f4978, key=<optimized out>, tag=..., already_compressed=<optimized out>) at ../backends/chert/chert_table.cc:1118
#6  0x00007ffff22d73ff in Chert::PostlistChunkWriter::flush (this=0x170c0a0, table=0x14f4978) at ../backends/chert/chert_postlist.cc:636
#7  0x00007ffff22da47a in ChertPostListTable::merge_changes (this=0x14f4978, mod_plists=..., doclens=..., freq_deltas=...) at ../backends/chert/chert_postlist.cc:1244
#8  0x00007ffff22c953a in ChertWritableDatabase::flush_postlist_changes (this=0x14f4940) at ../backends/chert/chert_database.cc:1056
#9  0x00007ffff22c967e in ChertWritableDatabase::commit (this=0x14f4940) at ../backends/chert/chert_database.cc:1049
#10 0x00007ffff2686632 in Xapian::WritableDatabase::flush (this=0x14f4910) at /usr/include/xapian/database.h:557
#11 0x00007ffff2667c8a in _wrap_WritableDatabase_flush (args=<unknown at remote 0x1451d80>) at ../../../../python/modern/xapian_wrap.cc:28201
#12 0x0000000000486380 in PyCFunction_Call (func=<unknown at remote 0x1386588>, arg=<unknown at remote 0x12f8ed0>, kw=0x0) at ../Objects/methodobject.c:101
#13 0x0000000000526afa in do_call (func=<unknown at remote 0x1386588>, pp_stack=0x7ffff0625ba0, na=1, nk=0) at ../Python/ceval.c:4236
#14 0x0000000000525ed6 in call_function (pp_stack=0x7ffff0625ba0, oparg=0) at ../Python/ceval.c:4044
#15 0x0000000000520baf in PyEval_EvalFrameEx (f=<unknown at remote 0x15384f0>, throwflag=0) at ../Python/ceval.c:2666
#16 0x00000000005234b7 in PyEval_EvalCodeEx (co=0x1038eb0, globals=<unknown at remote 0x11c7650>, locals=0x0, args=0x145c508, argcount=1, kws=0x7ffff7f8e088, kwcount=0, defs=0x0, defcount=0, closure=0x0) at ../Python/ceval.c:3253
#17 0x00000000004643f5 in function_call (func=<unknown at remote 0x1447840>, arg=<unknown at remote 0x145c4e0>, kw=<unknown at remote 0x1527d70>) at ../Objects/funcobject.c:526
#18 0x000000000042857b in PyObject_Call (func=<unknown at remote 0x1447840>, arg=<unknown at remote 0x145c4e0>, kw=<unknown at remote 0x1527d70>) at ../Objects/abstract.c:2529
#19 0x000000000052718a in ext_do_call (func=<unknown at remote 0x1447840>, pp_stack=0x7ffff06260a0, flags=3, na=1, nk=0) at ../Python/ceval.c:4334
#20 0x0000000000520e56 in PyEval_EvalFrameEx (f=<unknown at remote 0x15382f0>, throwflag=0) at ../Python/ceval.c:2705
#21 0x00000000005261aa in fast_function (func=<unknown at remote 0xddc5a0>, pp_stack=0x7ffff0626400, n=1, na=1, nk=0) at ../Python/ceval.c:4107
#22 0x0000000000525eba in call_function (pp_stack=0x7ffff0626400, oparg=0) at ../Python/ceval.c:4042
#23 0x0000000000520baf in PyEval_EvalFrameEx (f=<unknown at remote 0x1537eb0>, throwflag=0) at ../Python/ceval.c:2666
#24 0x00000000005261aa in fast_function (func=<unknown at remote 0xddc798>, pp_stack=0x7ffff0626760, n=1, na=1, nk=0) at ../Python/ceval.c:4107
#25 0x0000000000525eba in call_function (pp_stack=0x7ffff0626760, oparg=0) at ../Python/ceval.c:4042
#26 0x0000000000520baf in PyEval_EvalFrameEx (f=<unknown at remote 0x1537a40>, throwflag=0) at ../Python/ceval.c:2666
#27 0x00000000005234b7 in PyEval_EvalCodeEx (co=0xd98b40, globals=<unknown at remote 0xd7dc90>, locals=0x0, args=0xe662b8, argcount=1, kws=0x0, kwcount=0, defs=0x0, defcount=0, closure=0x0) at ../Python/ceval.c:3253
#28 0x00000000004643f5 in function_call (func=<unknown at remote 0xddc648>, arg=<unknown at remote 0xe66290>, kw=0x0) at ../Objects/funcobject.c:526
#29 0x000000000042857b in PyObject_Call (func=<unknown at remote 0xddc648>, arg=<unknown at remote 0xe66290>, kw=0x0) at ../Objects/abstract.c:2529
#30 0x00000000004428e7 in instancemethod_call (func=<unknown at remote 0xddc648>, arg=<unknown at remote 0xe66290>, kw=0x0) at ../Objects/classobject.c:2578
#31 0x000000000042857b in PyObject_Call (func=<unknown at remote 0x1491260>, arg=<unknown at remote 0x7ffff7f8e060>, kw=0x0) at ../Objects/abstract.c:2529
#32 0x000000000052547d in PyEval_CallObjectWithKeywords (func=<unknown at remote 0x1491260>, arg=<unknown at remote 0x7ffff7f8e060>, kw=0x0) at ../Python/ceval.c:3890
#33 0x000000000057281f in t_bootstrap (boot_raw=0x1068d30) at ../Modules/threadmodule.c:614
#34 0x00007ffff7bc6efc in start_thread (arg=0x7ffff0627700) at pthread_create.c:304
#35 0x00007ffff6a5e59d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#36 0x0000000000000000 in ?? ()