[Pkg-xfce-devel] Bug#619198: Processed: Re: Bug#619198: libjpeg62: crash when creating thumbnail for Thunar

Marc Dequènes (Duck) duck at duckcorp.org
Thu Apr 7 23:15:42 UTC 2011


Quoting Yves-Alexis Perez <corsac at debian.org>:

> your CD-ROM, please provide a backtrace with debugging symbols and no
> optimization (you'll need to rebuild thunar with -O0).

It is perfectly reproducible:

#0  jpeg_fill_bit_buffer (state=0x7fffe3ffe3d0,  
get_buffer=-9209417275982038946, bits_left=13, nbits=0) at jdhuff.c:318
#1  0x00007ffff38460db in decode_mcu (cinfo=0x7fffe3ffe7a0,  
MCU_data=0x912580) at jdhuff.c:572
#2  0x00007ffff3842a80 in decompress_onepass (cinfo=0x7fffe3ffe7a0,  
output_buf=0x912638) at jdcoefct.c:167
#3  0x00007ffff38476a6 in process_data_simple_main  
(cinfo=0x7fffe3ffe7a0, output_buf=0x7fffe3ffe5e0,  
out_row_ctr=0x7fffe3ffe57c, out_rows_avail=1) at jdmainct.c:354
#4  0x00007ffff38420a0 in jpeg_read_scanlines (cinfo=0x7fffe3ffe7a0,  
scanlines=0x7fffe3ffe5e0, max_lines=1) at jdapistd.c:173
#5  0x00007ffff7bca34d in tvtj_jpeg_load (content=0x7ffff7fea000  
"\377\330\377", <incomplete sequence \340>, length=50998, size=128) at  
#6  0x00007ffff7bcade6 in thunar_vfs_thumb_jpeg_load (path=0x8b3f60  
"/media/CDROM/Gravure/STW_Dav&Toine/dest2.jpg", size=128) at  
#7  0x00007ffff7bcc577 in  
IA__thunar_vfs_thumb_factory_generate_thumbnail (factory=0x7350c0,  
info=0x8ec760) at thunar-vfs-thumb.c:919
#8  0x0000000000462e8f in thunar_thumbnail_generator_thread  
(user_data=0x74e050) at thunar-thumbnail-generator.c:249
#9  0x00007ffff4e64ea4 in g_thread_create_proxy (data=0x901680) at  
#10 0x00007ffff55398ba in start_thread () from /lib/libpthread.so.0
#11 0x00007ffff4b653cd in clone () from /lib/libc.so.6
#12 0x0000000000000000 in ?? ()

> If you disable thumbnailing completely, can you open the file from
> Thunar, can you get the properties etc?

With thumbnailing disabled, opening the directory, and then the file  
works properly (i can view the image is nicely corrupted). I can ask  
for properties too without crashing (and it seems they are consistent).


Marc Dequènes (Duck)
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