[ python-Bugs-1005078 ] iso-2022-jp crashes

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Bugs item #1005078, was opened at 2004-08-07 20:10
Message generated for change (Comment added) made by perky
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=105470&aid=1005078&group_id=5470

Category: Unicode
Group: Python 2.4
Status: Open
Resolution: None
Priority: 5
Submitted By: Martin v. Löwis (loewis)
Assigned to: Hye-Shik Chang (perky)
Summary: iso-2022-jp crashes

Initial Comment:
I get

Python 2.4a2 (#88, Aug  7 2004, 12:37:23)
[GCC 3.3.4 (Debian 1:3.3.4-7)] on linux2
Type "help", "copyright", "credits" or "license" for
more information.
>>> u"a\u9808".encode("iso-2022-jp")
Segmentation fault

The gdb backtrace is

#0  0x4047f45f in jisx0208_encoder (data=0x98080061,
length=0xbfffde1c)
    at
/home/martin/work/py2.4/Modules/cjkcodecs/_codecs_iso2022.c:632
#1  0x4047e915 in iso2022_encode (state=0xbfffdec8,
config=0x40481964, inbuf=0xbfffde60, inleft=2,
    outbuf=0xbfffde6c, outleft=20, flags=3) at
/home/martin/work/py2.4/Modules/cjkcodecs/_codecs_iso2022.c:187
#2  0x404835f9 in multibytecodec_encode
(codec=0x40481be4, state=0xbfffdec8, data=0xbfffdec4,
datalen=2550661217,
    errors=0x1, flags=3) at
/home/martin/work/py2.4/Modules/cjkcodecs/multibytecodec.c:432
#3  0x40483e24 in MultibyteCodec_Encode
(self=0x4029d070, args=0x98080061, kwargs=0x98080061)
    at
/home/martin/work/py2.4/Modules/cjkcodecs/multibytecodec.c:512
#4  0x081041fe in PyCFunction_Call (func=0x402ce24c,
arg=0x402ce12c, kw=0x4052a2a0) at Objects/methodobject.c:77

It crashes on line 632:

632             else TRYMAP_ENC(jisxcommon, coded, *data) {

because data does not point to valid memory.

----------------------------------------------------------------------

>Comment By: Hye-Shik Chang (perky)
Date: 2004-08-08 20:49

Message:
Logged In: YES 
user_id=55188

I failed to reproduce the problem on the exactly same
compiler and environment.  Can you please try a clean build
for it?


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