Ubuntu
python-profiler package

python2.6 crashed with IndexError in get_prog_name()

Bug #361318 reported by Bender Rodriguez on 2009-04-14

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	python-profiler (Ubuntu)	Fix Released	Undecided	Unassigned

Bug Description

Binary package hint: python2.6

running some of the modules (like python -m profile foo.py) doesn't work

ProblemType: Crash
Architecture: i386
Dependencies:
libgcc1 1:4.3.3-5ubuntu4
zlib1g 1:1.2.3.3.dfsg-12ubuntu2
gcc-4.3-base 4.3.3-5ubuntu4
findutils 4.4.0-2ubuntu4
libc6 2.9-4ubuntu6
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/bin/python2.6
Package: python2.6-minimal 2.6.2~rc1-0ubuntu2
ProcCmdline: python -m profile -s f.py
ProcEnviron:
SHELL=/bin/bash
PATH=(custom, user)
LANG=C
PythonArgs: []
SourcePackage: python2.6
Title: python2.6 crashed with IndexError in get_prog_name()
Uname: Linux 2.6.28-11-generic i686
UserGroups: adm admin audio cdrom dialout dip floppy lpadmin netdev plugdev powerdev scanner video

Tags:

Related branches

lp:ubuntu/karmic/python-profiler

lp:ubuntu/karmic/python3-profiler

lp:ubuntu/lucid/python2.6

Revision history for this message

Bender Rodriguez (bender.rodriguez) wrote on 2009-04-14:

ProcMaps.txt Edit (5.0 KiB, text/plain; charset="utf-8")
ProcStatus.txt Edit (788 bytes, text/plain; charset="utf-8")
Traceback.txt Edit (867 bytes, text/plain; charset="utf-8")

Bender Rodriguez (bender.rodriguez) on 2009-04-14

visibility:

private → public

Apport retracing service (apport) on 2009-04-14

tags:

removed: need-duplicate-check

Revision history for this message

Matthias Klose (doko) wrote on 2009-04-18:

- is python-profiler installed?
- could you proved a test case?

Changed in python2.6 (Ubuntu):
status:	New → Incomplete

Revision history for this message

Bender Rodriguez (bender.rodriguez) wrote on 2009-04-18:

-python-profiler is installed: python-profiler 2.6.1-0ubuntu1

-problem seems to be related to the use of the module optparse, it does occur when wrong parameters are provided to the profiler module on the command line (like in this case; option '-s' needs a valid parameter)

-is not reproducible in other distros I have access to

-example: 'python -m profile -s spam'

Revision history for this message

Francesco Del Degan (pr0gg3d) wrote on 2009-08-02:

This seems related to code into profiler.py (2.4, 2.5, 2.6 all applies) around line 607:

(options, args) = parser.parse_args()
sys.argv[:] = args

    if (len(sys.argv) > 0):
        sys.path.insert(0, os.path.dirname(sys.argv[0]))
        run('execfile(%r)' % (sys.argv[0],), options.outfile, options.sort)
    else:
        parser.print_usage()
    return parser

"sys.argv" variable is substituted with "args" coming from parse_args, and it doesn't contains original sys.argv[0] necessary for print_usage in case new args after options (provided by command_line) are not present.

Imho, that sys.argv substitution should be inside "if" statement see (attached patch), let me know if it is correct to you.

thanks

Revision history for this message

Francesco Del Degan (pr0gg3d) wrote on 2009-08-03: