[FFmpeg-trac] #851(undetermined:new): crash with grayscale jpegls

[FFmpeg]

#851: crash with grayscale jpegls
-------------------------------------+-------------------------------------
             Reporter:  ami_stuff    |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 {{{
 (gdb) r -i gray.jls out.bmp
 Starting program: F:\MinGW\msys\1.0\ffmpeg-HEAD-834f80d/ffmpeg_g.exe -i
 gray.jls
  out.bmp
 [New Thread 3208.0x64c]
 ffmpeg version 0.9.0.git-834f80d, Copyright (c) 2000-2011 the FFmpeg
 developers
   built on Dec 22 2011 14:07:40 with gcc 4.5.2
   configuration: --disable-ffplay --disable-ffserver --disable-asm
 --disable-yas
 m --disable-shared --enable-static
   libavutil      51. 32.100 / 51. 32.100
   libavcodec     53. 47.100 / 53. 47.100
   libavformat    53. 28.100 / 53. 28.100
   libavdevice    53.  4.100 / 53.  4.100
   libavfilter     2. 53.  0 /  2. 53.  0
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0.  5.100 /  0.  0.100
 Input #0, image2, from 'gray.jls':
   Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
     Stream #0:0: Video: jpegls, gray, 1024x768 [SAR 72:72 DAR 4:3], 25
 tbr, 25 t
 bn, 25 tbc
 [buffer @ 03d615d0] w:1024 h:768 pixfmt:gray tb:1/1000000 sar:72/72
 sws_param:
 Output #0, image2, to 'out.bmp':
   Metadata:
     encoder         : Lavf53.28.100
     Stream #0:0: Video: bmp, gray, 1024x768 [SAR 72:72 DAR 4:3], q=2-31,
 200 kb/
 s, 90k tbn, 25 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (jpegls -> bmp)
 Press [q] to stop, [?] for help

 Program received signal SIGSEGV, Segmentation fault.
 0x005bd688 in ls_decode_line (state=<value optimized out>, s=0x43a6008,
     last=0x43a7bb8, dst=0x4900020, last2=0, w=3072, stride=3, comp=0,
 bits=8)
     at libavcodec/jpeglsdec.c:169
 169             Rd = (x >= w - stride) ? R(last, x) : R(last, x + stride);
 (gdb) bt
 #0  0x005bd688 in ls_decode_line (state=<value optimized out>,
 s=0x43a6008,
     last=0x43a7bb8, dst=0x4900020, last2=0, w=3072, stride=3, comp=0,
 bits=8)
     at libavcodec/jpeglsdec.c:169
 #1  0x005be653 in ff_jpegls_decode_picture (s=0x43a6008, near=0,
     point_transform=0, ilv=1) at libavcodec/jpeglsdec.c:316
 #2  0x007263ae in ff_mjpeg_decode_sos (avctx=0x3d5f038, data=0x3d61b00,
     data_size=0x22deac, avpkt=0x22de10) at libavcodec/mjpegdec.c:1077
 #3  ff_mjpeg_decode_frame (avctx=0x3d5f038, data=0x3d61b00,
     data_size=0x22deac, avpkt=0x22de10) at libavcodec/mjpegdec.c:1549
 #4  0x005091f2 in avcodec_decode_video2 (avctx=0x3d5f038,
 picture=0x3d61b00,
     got_picture_ptr=0x22deac, avpkt=0x22de10) at libavcodec/utils.c:953
 #5  0x00405c17 in transcode_video (ist=0x3d611f0, ost_table=0x42be868,
     nb_ostreams=1, pkt=0x22fbb8) at ffmpeg.c:1880
 #6  output_packet (ist=0x3d611f0, ost_table=0x42be868, nb_ostreams=1,
     pkt=0x22fbb8) at ffmpeg.c:2046
 #7  0x0040a63e in transcode (output_files=<value optimized out>,
     nb_output_files=0, input_files=0x0, nb_input_files=4256952)
     at ffmpeg.c:2804
 #8  0x0022ff48 in ?? ()
 #9  0x00000000 in ?? ()
 }}}

-- 
Ticket URL: <http://ffmpeg.org/trac/ffmpeg/ticket/851>
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