Bug 15410 - xine-list от рута падает
Summary: xine-list от рута падает
Status: CLOSED FIXED
Alias: None
Product: Sisyphus
Classification: Development
Component: libxine (show other bugs)
Version: unstable
Hardware: all Linux
: P2 major
Assignee: Nobody's working on this, feel free to take it
QA Contact: qa-sisyphus
URL:
Keywords:
: 15411 (view as bug list)
Depends on:
Blocks:
 
Reported: 2008-04-20 12:32 MSD by Andrey Rahmatullin
Modified: 2008-04-23 19:30 MSD (History)
0 users

See Also:


Attachments

Note You need to log in before you can comment on or make changes to this bug.
Description Andrey Rahmatullin 2008-04-20 12:32:46 MSD
wrar@wrars-comp ~ $ xine-list
application/annodex;application/x-annodex;audio/annodex;audio/x-annodex;video/
annodex;video/x-annodex;image/png;image/x-png;video/mng;video/x-mng;audio/
x-8svx;audio/8svx;audio/x-16sv;audio/168sv;image/x-ilbm;image/ilbm;video/x-
anim;video/anim;video/x-ms-asf;video/x-ms-wmv;audio/x-ms-wma;application/vnd.ms-
asf;application/x-mplayer2;video/x-ms-asf-plugin;video/x-ms-wvx;video/x-ms-
wax;audio/x-aiff;audio/aiff;audio/x-pn-aiff;audio/x-flac;audio/flac;audio/x-
realaudio;audio/basic;audio/x-basic;audio/x-pn-au;video/msvideo;video/x-
msvideo;video/x-flic;video/x-flv;video/flv;application/x-flash-
video;application/ogg;application/x-ogg;application/x-ogm;application/x-ogm-
audio;application/x-ogm-video;audio/ogg;audio/x-ogg;video/ogg;video/x-ogg;video/
quicktime;video/x-quicktime;video/3gpp;video/mp4;audio/mp4;audio/x-
m4a;application/x-quicktimeplayer;audio/x-pn-realaudio;audio/x-pn-realaudio-
plugin;audio/x-real-audio;application/vnd.rn-realmedia;video/mkv;video/x-
matroska;video/mpeg;video/x-mpeg;audio/x-wav;audio/wav;audio/x-pn-wav;audio/x-
pn-windows-acm;audio/mpeg2;audio/x-mpeg2;audio/mpeg3;audio/x-mpeg3;audio/
mpeg;audio/x-mpeg;audio/x-mpegurl;audio/mpegurl;audio/mp3;audio/x-mp3;audio/x-
wavpack;

wrar@wrars-comp ~ $ sudo /usr/bin/xine-list
zsh: segmentation fault  sudo /usr/bin/xine-list

wrar@wrars-comp ~ $ sudo strace -Ff /usr/bin/xine-list        
[...]
open("/usr/lib/xine/plugins/1.21/xineplug_inp_dvd.so", O_RDONLY) = 3
read(3, "\177ELF
\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\240\27\0\0004\0\0\0\320"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=167352, ...}) = 0
mmap2(NULL, 170308, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 
0xb7f2f000
mmap2(0xb7f58000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|
MAP_DENYWRITE, 3, 0x28) = 0xb7f58000
close(3)                                = 0
open("/etc/ld.so.cache", O_RDONLY)      = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=169804, ...}) = 0
mmap2(NULL, 169804, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7ea5000
close(3)                                = 0
open("/usr/lib/libdvdcss.so.2", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0p\1;J4\0\0\0\4"..., 
512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=31508, ...}) = 0
mmap2(0x4a3af000, 31240, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) 
= 0x4a3af000
mmap2(0x4a3b6000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|
MAP_DENYWRITE, 3, 0x7) = 0x4a3b6000
close(3)                                = 0
munmap(0xb7ea5000, 169804)              = 0
--- SIGSEGV (Segmentation fault) @ 0 (0) ---
Comment 1 Andrey Rahmatullin 2008-04-20 12:33:02 MSD
Да, под gdb всё нормально.
Comment 2 Andrey Rahmatullin 2008-04-20 12:34:17 MSD
*** Bug 15411 has been marked as a duplicate of this bug. ***
Comment 3 Andrey Rahmatullin 2008-04-20 12:35:00 MSD
$ sudo valgrind xine-list
==9826== Memcheck, a memory error detector.
==9826== Copyright (C) 2002-2007, and GNU GPL'd, by Julian Seward et al.
==9826== Using LibVEX rev 1732, a library for dynamic binary translation.
==9826== Copyright (C) 2004-2007, and GNU GPL'd, by OpenWorks LLP.
==9826== Using valgrind-3.2.3, a dynamic binary instrumentation framework.
==9826== Copyright (C) 2000-2007, and GNU GPL'd, by Julian Seward et al.
==9826== For more details, rerun with: -v
==9826==
==9826== Invalid read of size 1
==9826==    at 0x40061A8: strlen (mc_replace_strmem.c:246)
==9826==    by 0x400AC9D: (within /usr/lib/xine/plugins/1.21/
xineplug_inp_dvd.so)
==9826==  Address 0x0 is not stack'd, malloc'd or (recently) free'd
==9826==
==9826== Process terminating with default action of signal 11 (SIGSEGV)
==9826==  Access not within mapped region at address 0x0
==9826==    at 0x40061A8: strlen (mc_replace_strmem.c:246)
==9826==    by 0x400AC9D: (within /usr/lib/xine/plugins/1.21/
xineplug_inp_dvd.so)
Comment 4 led 2008-04-21 05:28:30 MSD
Мне не удалось добиться того, что xine-list "падал от рута"...
Может у вас sudo сегфолтится?
Comment 5 led 2008-04-21 05:31:45 MSD
Давайте хоть параметры архитектуры, версию ядра - может удастся 
воспроизвести...
Comment 6 Andrey Rahmatullin 2008-04-21 08:17:45 MSD
(In reply to comment #4)
> Может у вас sudo сегфолтится?
При чём тут sudo? И вы правда не посмотрели вывод valgrind?

(In reply to comment #5)
> Давайте хоть параметры архитектуры, версию ядра - может удастся 
> воспроизвести...
i586, 2.6.25, libxine-1.1.12-alt1
Comment 7 Andrey Rahmatullin 2008-04-21 08:55:29 MSD
Собранное с дебагом:

==2683== Invalid read of size 1
==2683==    at 0x40061A8: strlen (mc_replace_strmem.c:246)
==2683==    by 0x400AC9D: init_class (input_dvd.c:1825)
==2683==  Address 0x0 is not stack'd, malloc'd or (recently) free'd
Comment 8 led 2008-04-22 04:07:46 MSD
(In reply to comment #7)
> Собранное с дебагом:
> 
> ==2683== Invalid read of size 1
> ==2683==    at 0x40061A8: strlen (mc_replace_strmem.c:246)
> ==2683==    by 0x400AC9D: init_class (input_dvd.c:1825)
> ==2683==  Address 0x0 is not stack'd, malloc'd or (recently) free'd

Спасибо, более-менее проясняется...
Почти уверен, что это из-за отсутствия TMPDIR (только в этом случае и 
проявляется)

Есть идеи, что подставить в качестве TMPDIR, если getenv("TMPDIR") вернул NULL?

Кстати, ИМХО отсутсвие TMPDIR само по себе уже похоже на ошибку и 
может "велезти боком" ещё где-то :(
Comment 9 Sir Raorn 2008-04-22 08:36:07 MSD
(In reply to comment #8)
> Есть идеи, что подставить в качестве TMPDIR, если getenv("TMPDIR") вернул NULL?

Вроде /tmp по SUSv3, если не ошибаюсь.
Comment 10 led 2008-04-23 19:30:00 MSD
fixed  in xine-1.1.12-alt2