* [Bug localedata/13691] New: Assertion with vi_VN.tcvn locale
@ 2012-02-14 17:59 matz at suse dot de
2012-02-24 19:34 ` [Bug localedata/13691] " tuliom at linux dot vnet.ibm.com
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: matz at suse dot de @ 2012-02-14 17:59 UTC (permalink / raw)
To: libc-locales
http://sourceware.org/bugzilla/show_bug.cgi?id=13691
Bug #: 13691
Summary: Assertion with vi_VN.tcvn locale
Product: glibc
Version: 2.15
Status: NEW
Severity: normal
Priority: P2
Component: localedata
AssignedTo: libc-locales@sources.redhat.com
ReportedBy: matz@suse.de
Classification: Unclassified
The following program result in an assertion failure in __mbsnrtowcs:
% cat bug.c
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <locale.h>
#include <wchar.h>
int main()
{
const char * string = "Z";
size_t len;
wchar_t ignore[1];
const char *str2 = string;
const char *strend = string + 1;
mbstate_t ps;
printf("Locale: %s\n", setlocale(LC_ALL, "vi_VN.tcvn"));
memset (&ps, '\0', sizeof (ps));
while (str2 != NULL && str2 < strend)
if (mbsnrtowcs (ignore, &str2, strend - str2, 1, &ps) == (size_t) -1)
break;
return 0;
}
# ./elf/ld.so --library-path . ./a.out
Locale: vi_VN.tcvn
a.out: mbsnrtowcs.c:124: __mbsnrtowcs: Assertion `result > 0' failed.
Aborted
The reason is that the gconv loop doesn't make progress. I.e. somewhere
there's a problem in ./iconvdata/tcvn5712-1.c . The assert is here in
wcsmbs/mbsnrtowcs.c :
status = DL_CALL_FCT (fct,
(towc, &data, (const unsigned char **) src,
srcend, NULL, &dummy, 0, 1));
result = (wchar_t *) data.__outbuf - dst;
/* We have to determine whether the last character converted
is the NUL character. */
if ((status == __GCONV_OK || status == __GCONV_EMPTY_INPUT)
&& (assert (result > 0),
status is __GCONV_EMPTY_INPUT, but nothing is written to the output buffer
(and it's not incremented).
I _think_ this is because of the handling of the buffered character in
state->__count. After the iconv call above data.__state->__count is
720, which is 90 << 3, which is the value of the "Z" character. So it's
buffered, but it doesn't seem to be emitted to outbuf when the input
comes to an end.
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* [Bug localedata/13691] Assertion with vi_VN.tcvn locale
2012-02-14 17:59 [Bug localedata/13691] New: Assertion with vi_VN.tcvn locale matz at suse dot de
@ 2012-02-24 19:34 ` tuliom at linux dot vnet.ibm.com
2012-03-06 19:45 ` tuliom at linux dot vnet.ibm.com
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: tuliom at linux dot vnet.ibm.com @ 2012-02-24 19:34 UTC (permalink / raw)
To: libc-locales
http://sourceware.org/bugzilla/show_bug.cgi?id=13691
Tulio Magno Quites Machado Filho <tuliom at linux dot vnet.ibm.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
CC| |libc-locales at sources dot
| |redhat.com, rsa at us dot
| |ibm.com, tuliom at linux
| |dot vnet.ibm.com
AssignedTo|libc-locales at sources dot |tuliom at linux dot
|redhat.com |vnet.ibm.com
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* [Bug localedata/13691] Assertion with vi_VN.tcvn locale
2012-02-14 17:59 [Bug localedata/13691] New: Assertion with vi_VN.tcvn locale matz at suse dot de
2012-02-24 19:34 ` [Bug localedata/13691] " tuliom at linux dot vnet.ibm.com
@ 2012-03-06 19:45 ` tuliom at linux dot vnet.ibm.com
2012-03-30 9:32 ` aj at suse dot de
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: tuliom at linux dot vnet.ibm.com @ 2012-03-06 19:45 UTC (permalink / raw)
To: libc-locales
http://sourceware.org/bugzilla/show_bug.cgi?id=13691
--- Comment #1 from Tulio Magno Quites Machado Filho <tuliom at linux dot vnet.ibm.com> 2012-03-06 19:35:08 UTC ---
Patch sent for review:
http://sourceware.org/ml/libc-alpha/2012-03/msg00123.html
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* [Bug localedata/13691] Assertion with vi_VN.tcvn locale
2012-02-14 17:59 [Bug localedata/13691] New: Assertion with vi_VN.tcvn locale matz at suse dot de
2012-02-24 19:34 ` [Bug localedata/13691] " tuliom at linux dot vnet.ibm.com
2012-03-06 19:45 ` tuliom at linux dot vnet.ibm.com
@ 2012-03-30 9:32 ` aj at suse dot de
2012-04-03 13:19 ` tuliom at linux dot vnet.ibm.com
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: aj at suse dot de @ 2012-03-30 9:32 UTC (permalink / raw)
To: libc-locales
http://sourceware.org/bugzilla/show_bug.cgi?id=13691
Andreas Jaeger <aj at suse dot de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
CC| |aj at suse dot de
Resolution| |FIXED
--- Comment #2 from Andreas Jaeger <aj at suse dot de> 2012-03-30 08:46:55 UTC ---
Fixed in git head with commit e64d2de526d8cfa2908e08892a534316a0bddf5f
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* [Bug localedata/13691] Assertion with vi_VN.tcvn locale
2012-02-14 17:59 [Bug localedata/13691] New: Assertion with vi_VN.tcvn locale matz at suse dot de
` (2 preceding siblings ...)
2012-03-30 9:32 ` aj at suse dot de
@ 2012-04-03 13:19 ` tuliom at linux dot vnet.ibm.com
2012-05-21 9:20 ` aj at suse dot de
2014-06-27 7:21 ` fweimer at redhat dot com
5 siblings, 0 replies; 7+ messages in thread
From: tuliom at linux dot vnet.ibm.com @ 2012-04-03 13:19 UTC (permalink / raw)
To: libc-locales
http://sourceware.org/bugzilla/show_bug.cgi?id=13691
--- Comment #3 from Tulio Magno Quites Machado Filho <tuliom at linux dot vnet.ibm.com> 2012-04-03 12:17:29 UTC ---
A new commit is available to fix a bug in the previous commit:
39c59c35723120c32dc42dde4115bba92305179f
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* [Bug localedata/13691] Assertion with vi_VN.tcvn locale
2012-02-14 17:59 [Bug localedata/13691] New: Assertion with vi_VN.tcvn locale matz at suse dot de
` (3 preceding siblings ...)
2012-04-03 13:19 ` tuliom at linux dot vnet.ibm.com
@ 2012-05-21 9:20 ` aj at suse dot de
2014-06-27 7:21 ` fweimer at redhat dot com
5 siblings, 0 replies; 7+ messages in thread
From: aj at suse dot de @ 2012-05-21 9:20 UTC (permalink / raw)
To: libc-locales
http://sourceware.org/bugzilla/show_bug.cgi?id=13691
Andreas Jaeger <aj at suse dot de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|FIXED |WONTFIX
--- Comment #4 from Andreas Jaeger <aj at suse dot de> 2012-05-21 07:26:51 UTC ---
As discussed on libc-alpha (thread starts here
http://sourceware.org/ml/libc-alpha/2012-05/msg00736.html), this patch causes a
regression, we cannot really support vi_VN.tcvn in glibc and will instead
remove it from the list of supported languages.
Thus, I'm marking this bug as wontfix.
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* [Bug localedata/13691] Assertion with vi_VN.tcvn locale
2012-02-14 17:59 [Bug localedata/13691] New: Assertion with vi_VN.tcvn locale matz at suse dot de
` (4 preceding siblings ...)
2012-05-21 9:20 ` aj at suse dot de
@ 2014-06-27 7:21 ` fweimer at redhat dot com
5 siblings, 0 replies; 7+ messages in thread
From: fweimer at redhat dot com @ 2014-06-27 7:21 UTC (permalink / raw)
To: libc-locales
https://sourceware.org/bugzilla/show_bug.cgi?id=13691
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Flags| |security-
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2012-02-14 17:59 [Bug localedata/13691] New: Assertion with vi_VN.tcvn locale matz at suse dot de
2012-02-24 19:34 ` [Bug localedata/13691] " tuliom at linux dot vnet.ibm.com
2012-03-06 19:45 ` tuliom at linux dot vnet.ibm.com
2012-03-30 9:32 ` aj at suse dot de
2012-04-03 13:19 ` tuliom at linux dot vnet.ibm.com
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