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Bug#572774: marked as done (/usr/bin/iconv: assert failed - iconv: malloc.c:3096: sYSMALLOc: Assertion)

Your message dated Fri, 8 Dec 2017 23:25:48 +0100
with message-id <20171208222548.GC14912@aurel32.net>
and subject line Re: Bug#572774: /usr/bin/iconv: assert failed - iconv: malloc.c:3096: sYSMALLOc: Assertion
has caused the Debian Bug report #572774,
regarding /usr/bin/iconv: assert failed - iconv: malloc.c:3096: sYSMALLOc: Assertion
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
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immediately.)


-- 
572774: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=572774
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: libc-bin
Version: 2.10.2-6
Severity: minor
File: /usr/bin/iconv


When i have mistake in writing (//IGNORE - //INGORE) and my locale is not C or POSIX, then iconv generate assert:

$ dd if=/dev/zero bs=4M count=1 | iconv -f cp1251 -t utf8//INGORE > /dev/null
iconv: malloc.c:3096: sYSMALLOc: Assertion `(old_top == (((mbinptr) (((char *) &((av)->bins[((1) - 1) * 2])) - __builtin_offsetof (struct malloc_chunk, fd)))) && old_size == 0) || ((unsigned long) (old_size) >= (unsigned long)((((__builtin_offsetof (struct malloc_chunk, fd_nextsize))+((2 * (sizeof(size_t))) - 1)) & ~((2 * (sizeof(size_t))) - 1))) && ((old_top)->size & 0x1) && ((unsigned long)old_end & pagemask) == 0)' failed.
Аварийный останов

$ (export LANG=C; dd if=/dev/zero bs=4M count=1 | iconv -f cp1251 -t utf8//INGORE > /dev/null)
1+0 records in
1+0 records out
4194304 bytes (4.2 MB) copied, 0.00774839 s, 541 MB/s

$ (export LANG=en_US.UTF8; dd if=/dev/zero bs=4M count=1 | iconv -f cp1251 -t utf8//INGORE > /dev/null)
iconv: malloc.c:3096: sYSMALLOc: Assertion `(old_top == (((mbinptr) (((char *) &((av)->bins[((1) - 1) * 2])) - __builtin_offsetof (struct malloc_chunk, fd)))) && old_size == 0) || ((unsigned long) (old_size) >= (unsigned long)((((__builtin_offsetof (struct malloc_chunk, fd_nextsize))+((2 * (sizeof(size_t))) - 1)) & ~((2 * (sizeof(size_t))) - 1))) && ((old_top)->size & 0x1) && ((unsigned long)old_end & pagemask) == 0)' failed.

correct spelling:

$ dd if=/dev/zero bs=4M count=1 | iconv -f cp1251 -t utf8//IGNORE > /dev/null
1+0 записей считано
1+0 записей написано
 скопировано 4194304 байта (4,2 MB), 0,00733256 c, 572 MB/c

$ dd if=/dev/zero bs=4M count=1 | iconv -f cp1251 -t utf8 > /dev/null
1+0 записей считано
1+0 записей написано
 скопировано 4194304 байта (4,2 MB), 0,00729132 c, 575 MB/c


-- System Information:
Debian Release: squeeze/sid
  APT prefers testing
  APT policy: (800, 'testing'), (800, 'stable'), (200, 'unstable'), (65, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32-trunk-amd64 (SMP w/4 CPU cores)
Locale: LANG=ru_RU.UTF-8, LC_CTYPE=ru_RU.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

-- no debconf information

--- End Message ---
--- Begin Message --- 
Version: 2.11.3-4

On 2010-03-06 16:56, Sergey Burladyan wrote:
> Package: libc-bin
> Version: 2.10.2-6
> Severity: minor
> File: /usr/bin/iconv
> 
> 
> When i have mistake in writing (//IGNORE - //INGORE) and my locale is not C or POSIX, then iconv generate assert:
> 
> $ dd if=/dev/zero bs=4M count=1 | iconv -f cp1251 -t utf8//INGORE > /dev/null
> iconv: malloc.c:3096: sYSMALLOc: Assertion `(old_top == (((mbinptr) (((char *) &((av)->bins[((1) - 1) * 2])) - __builtin_offsetof (struct malloc_chunk, fd)))) && old_size == 0) || ((unsigned long) (old_size) >= (unsigned long)((((__builtin_offsetof (struct malloc_chunk, fd_nextsize))+((2 * (sizeof(size_t))) - 1)) & ~((2 * (sizeof(size_t))) - 1))) && ((old_top)->size & 0x1) && ((unsigned long)old_end & pagemask) == 0)' failed.
> Аварийный останов
> 

I can indeed reproduce the issue with glibc 2.10.2, but not with glibc
2.11.3 (shipped in squeeze) or later. I therefore consider the bug as
fixed and I am closing it with this mail.

-- 
Aurelien Jarno                          GPG: 4096R/1DDD8C9B
aurelien@aurel32.net                 http://www.aurel32.net

--- End Message ---
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