[New-bugs-announce] [issue18897] Illegal instruction at Python-2.7.5/Modules/_sre.c:1173
Martin Mokrejs
report at bugs.python.org
Sun Sep 1 00:26:14 CEST 2013
New submission from Martin Mokrejs:
I was trying to use DUMA to find errors in python runtime and it indeed killed python-based utility called emerge. Let's see what you say now:
# export LD_PRELOAD=/usr/lib64/libduma.so.0.0.0
# sysctl -w vm.max_map_count=1000000
# emerge dev-lang/python:2.7
DUMA 2.5.15 (shared library, NO_LEAKDETECTION)
Copyright (C) 2006 Michael Eddington <meddington at gmail.com>
Copyright (C) 2002-2008 Hayati Ayguen <h_ayguen at web.de>, Procitec GmbH
Copyright (C) 1987-1999 Bruce Perens <bruce at perens.com>
DUMA 2.5.15 (shared library, NO_LEAKDETECTION)
Copyright (C) 2006 Michael Eddington <meddington at gmail.com>
Copyright (C) 2002-2008 Hayati Ayguen <h_ayguen at web.de>, Procitec GmbH
Copyright (C) 1987-1999 Bruce Perens <bruce at perens.com>
DUMA 2.5.15 (shared library, NO_LEAKDETECTION)
Copyright (C) 2006 Michael Eddington <meddington at gmail.com>
Copyright (C) 2002-2008 Hayati Ayguen <h_ayguen at web.de>, Procitec GmbH
Copyright (C) 1987-1999 Bruce Perens <bruce at perens.com>
DUMA Aborting: mprotect() failed: Cannot allocate memory.
Check README section 'MEMORY USAGE AND EXECUTION SPEED'
if your (Linux) system may limit the number of different page mappings per process
Illegal instruction (core dumped)
# ulimit -a
core file size (blocks, -c) unlimited
data seg size (kbytes, -d) unlimited
scheduling priority (-e) 0
file size (blocks, -f) unlimited
pending signals (-i) 127104
max locked memory (kbytes, -l) 64
max memory size (kbytes, -m) unlimited
open files (-n) 1024
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
real-time priority (-r) 0
stack size (kbytes, -s) 8192
cpu time (seconds, -t) unlimited
max user processes (-u) 127104
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
#
(gdb) where
#0 0x00007febd6ed84d7 in kill () from /lib64/libc.so.6
#1 0x00007febd78e2f9c in DUMA_Abort () from /usr/lib64/libduma.so.0.0.0
#2 0x00007febd78e1b77 in _duma_allocate () from /usr/lib64/libduma.so.0.0.0
#3 0x00007febd78e1fef in _duma_malloc () from /usr/lib64/libduma.so.0.0.0
#4 0x00007febd7626c60 in sre_umatch (state=0x7fff96f0de10, pattern=0x7feb2804ecb8) at /mnt/1TB/var/tmp/portage/dev-lang/python-2.7.5-r2/work/Python-2.7.5/Modules/_sre.c:1173
#5 0x00007febd762932f in pattern_match (self=0x7feb2804ec58, args=(u'>=gnome-base/libbonobo-2.32::gentoo-haskell',), kw=0x0) at /mnt/1TB/var/tmp/portage/dev-lang/python-2.7.5-r2/work/Python-2.7.5/Modules/_sre.c:1896
#6 0x00007febd751ffcc in PyCFunction_Call (func=<built-in method match of _sre.SRE_Pattern object at remote 0x7feb2804ec58>, arg=(u'>=gnome-base/libbonobo-2.32::gentoo-haskell',), kw=0x0) at /mnt/1TB/var/tmp/portage/dev-lang/python-2.7.5-r2/work/Python-2.7.5/Objects/methodobject.c:85
#7 0x00007febd75c4b81 in call_function (pp_stack=0x7fff96f0e6d0, oparg=1) at /mnt/1TB/var/tmp/portage/dev-lang/python-2.7.5-r2/work/Python-2.7.5/Python/ceval.c:4021
#8 0x00007febd75bf6c6 in PyEval_EvalFrameEx (f=Frame 0x7feb374ebce8, for file /usr/lib64/portage/pym/portage/dep/__init__.py, line 1227, in __init__ (self=<Atom(blocker=False, eapi=None) at remote 0x7fea931d5fb0>, s=u'>=gnome-base/libbonobo-2.32::gentoo-haskell', unevaluated_atom=None, allow_wildcard=True, allow_repo=True, _use=None, eapi=None, is_valid_flag=None, eapi_attrs=<_eapi_attrs at remote 0x7feb31931f48>, atom_re=<_sre.SRE_Pattern at remote 0x7feb2804ec58>, blocker_prefix=u'', blocker=False), throwflag=0) at /mnt/1TB/var/tmp/portage/dev-lang/python-2.7.5-r2/work/Python-2.7.5/Python/ceval.c:2666
[cut]
(gdb) bt full
#0 0x00007febd6ed84d7 in kill () from /lib64/libc.so.6
No symbol table info available.
#1 0x00007febd78e2f9c in DUMA_Abort () from /usr/lib64/libduma.so.0.0.0
No symbol table info available.
#2 0x00007febd78e1b77 in _duma_allocate () from /usr/lib64/libduma.so.0.0.0
No symbol table info available.
#3 0x00007febd78e1fef in _duma_malloc () from /usr/lib64/libduma.so.0.0.0
No symbol table info available.
#4 0x00007febd7626c60 in sre_umatch (state=0x7fff96f0de10, pattern=0x7feb2804ecb8) at /mnt/1TB/var/tmp/portage/dev-lang/python-2.7.5-r2/work/Python-2.7.5/Modules/_sre.c:1173
end = 0x7fea931cfffc
alloc_pos = 1648
ctx_pos = 1648
i = 128
ret = 0
jump = 2
sigcount = 187
ctx = 0x7fea931fbcf8
nextctx = 0x7fea931fbcf8
__PRETTY_FUNCTION__ = "sre_umatch"
#5 0x00007febd762932f in pattern_match (self=0x7feb2804ec58, args=(u'>=gnome-base/libbonobo-2.32::gentoo-haskell',), kw=0x0) at /mnt/1TB/var/tmp/portage/dev-lang/python-2.7.5-r2/work/Python-2.7.5/Modules/_sre.c:1896
state = {ptr = 0x7fea931cffbc, beginning = 0x7fea931cff50, start = 0x7fea931cff50, end = 0x7fea931cfffc, string = u'>=gnome-base/libbonobo-2.32::gentoo-haskell', pos = 0, endpos = 43, charsize = 4, lastindex = 2, lastmark = 43, mark = {0x7fea931cff50, 0x0, 0x7fea931cff50, 0x7fea931cffbc, 0x7fea931cff50, 0x7fea931cff58, 0x7fea931cff58, 0x7fea931cffbc, 0x7fea931cff58, 0x7fea931cffa8, 0x0 <repeats 24 times>, 0x7fea931cffac, 0x7fea931cffb0, 0x7fea931cffb0, 0x7fea931cffbc, 0x7fea931cffb0, 0x7fea931cffbc, 0x7fea931cffbc, 0x7fea931cffbc, 0x7fea931cffbc, 0x7fea931cffbc, 0x0 <repeats 82 times>, 0x7fea931cffbc, 0x0, 0x7fea931cffc0, 0x0 <repeats 71 times>}, data_stack = 0x7fea931fb688 "\377\377\377\377\377\377\377\377", data_stack_size = 2424, data_stack_base = 1712, repeat = 0x0, lower = 0x7febd7620852 <sre_lower_unicode>}
status = 32746
string = u'>=gnome-base/libbonobo-2.32::gentoo-haskell'
start = 0
end = 9223372036854775807
kwlist = {0x7febd7660ad8 "pattern", 0x7febd7660cd9 "pos", 0x7febd7660cdd "endpos", 0x0}
#6 0x00007febd751ffcc in PyCFunction_Call (func=<built-in method match of _sre.SRE_Pattern object at remote 0x7feb2804ec58>, arg=(u'>=gnome-base/libbonobo-2.32::gentoo-haskell',), kw=0x0) at /mnt/1TB/var/tmp/portage/dev-lang/python-2.7.5-r2/work/Python-2.7.5/Objects/methodobject.c:85
f = 0x7feb37087fc8
meth = 0x7febd76291f7 <pattern_match>
self = <_sre.SRE_Pattern at remote 0x7feb2804ec58>
size = -1282872823
#7 0x00007febd75c4b81 in call_function (pp_stack=0x7fff96f0e6d0, oparg=1) at /mnt/1TB/var/tmp/portage/dev-lang/python-2.7.5-r2/work/Python-2.7.5/Python/ceval.c:4021
callargs = (u'>=gnome-base/libbonobo-2.32::gentoo-haskell',)
flags = 3
tstate = 0x7febd7bd1f58
na = 1
nk = 0
n = 1
pfunc = 0x7feb374ebf88
func = <built-in method match of _sre.SRE_Pattern object at remote 0x7feb2804ec58>
x = <_sre.SRE_Pattern at remote 0x7feb2804ec58>
w = 0x0
#8 0x00007febd75bf6c6 in PyEval_EvalFrameEx (f=Frame 0x7feb374ebce8, for file /usr/lib64/portage/pym/portage/dep/__init__.py, line 1227, in __init__ (self=<Atom(blocker=False, eapi=None) at remote 0x7fea931d5fb0>, s=u'>=gnome-base/libbonobo-2.32::gentoo-haskell', unevaluated_atom=None, allow_wildcard=True, allow_repo=True, _use=None, eapi=None, is_valid_flag=None, eapi_attrs=<_eapi_attrs at remote 0x7feb31931f48>, atom_re=<_sre.SRE_Pattern at remote 0x7feb2804ec58>, blocker_prefix=u'', blocker=False), throwflag=0) at /mnt/1TB/var/tmp/portage/dev-lang/python-2.7.5-r2/work/Python-2.7.5/Python/ceval.c:2666
sp = 0x7feb374ebf90
stack_pointer = 0x7feb374ebf98
next_instr = 0x7feb930726fd "}\f"
opcode = 131
oparg = 1
why = WHY_NOT
err = 0
x = u'>=gnome-base/libbonobo-2.32::gentoo-haskell'
v = <unknown at remote 0x83>
w = 'match'
u = False
t = <unknown at remote 0x1>
stream = 0x0
fastlocals = 0x7feb374ebe70
freevars = 0x7feb374ebf88
retval = 0x0
tstate = 0x7febd7bd1f58
co = 0x7feb92e96f70
instr_ub = -1
instr_lb = 0
instr_prev = -1
[cut]
----------
components: Interpreter Core
files: core.emerge.4097.gdb.txt
messages: 196684
nosy: mmokrejs
priority: normal
severity: normal
status: open
title: Illegal instruction at Python-2.7.5/Modules/_sre.c:1173
type: crash
versions: Python 2.7
Added file: http://bugs.python.org/file31540/core.emerge.4097.gdb.txt
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<http://bugs.python.org/issue18897>
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