[FFmpeg-trac] #2747(undetermined:new): svq1 enc: Invalid free() / delete / delete[] / realloc()

[FFmpeg]

#2747: svq1 enc: Invalid free() / delete / delete[] / realloc()
-------------------------------------+-------------------------------------
               Reporter:  ami_stuff  |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  normal     |              Component:
                Version:             |  undetermined
  unspecified                        |               Keywords:
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 http://ffmpeg.org/trac/ffmpeg/raw-attachment/ticket/2744/test.avi

 {{{
 knoppix at Microknoppix:/media/sdb1$ valgrind --leak-check=full ./ffmpeg_g -i
 test.avi -an -y -vcodec svq1 -strict -2 -t 1 out.mov
 ==2845== Memcheck, a memory error detector
 ==2845== Copyright (C) 2002-2011, and GNU GPL'd, by Julian Seward et al.
 ==2845== Using Valgrind-3.7.0 and LibVEX; rerun with -h for copyright info
 ==2845== Command: ./ffmpeg_g -i test.avi -an -y -vcodec svq1 -strict -2 -t
 1 out.mov
 ==2845==
 ffmpeg version 1.1.git Copyright (c) 2000-2013 the FFmpeg developers
   built on Jul  2 2013 13:07:10 with gcc 4.7 (Debian 4.7.2-4)
   configuration: --disable-asm --disable-ffprobe --disable-ffserver
 --enable-gpl
   libavutil      52. 38.100 / 52. 38.100
   libavcodec     55. 18.100 / 55. 18.100
   libavformat    55. 10.101 / 55. 10.101
   libavdevice    55.  2.100 / 55.  2.100
   libavfilter     3. 77.101 /  3. 77.101
   libswscale      2.  3.100 /  2.  3.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, avi, from 'test.avi':
   Duration: 00:00:14.07, start: 0.000000, bitrate: 872 kb/s
     Stream #0:0: Video: indeo3 (IV32 / 0x32335649), yuv410p, 352x288, 15
 tbr, 15 tbn, 15 tbc
 Output #0, mov, to 'out.mov':
   Metadata:
     encoder         : Lavf55.10.101
     Stream #0:0: Video: svq1 (SVQ1 / 0x31515653), yuv410p, 352x288,
 q=2-31, 200 kb/s, 15360 tbn, 15 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (indeo3 -> svq1)
 Press [q] to stop, [?] for help
 frame=    2 fps=1.8 q=0.0 size=      47kB time=00:00:00.13
 bitrate=2905.7kbits/sframe=    3 fps=1.4 q=0.0 size=      76kB
 time=00:00:00.20 bitrate=3132.5kbits/sframe=    4 fps=1.2 q=0.0 size=
 98kB time=00:00:00.26 bitrate=3006.8kbits/sframe=    5 fps=1.2 q=0.0 size=
 129kB time=00:00:00.33 bitrate=3178.3kbits/sframe=    6 fps=1.1 q=0.0
 size=     156kB time=00:00:00.40 bitrate=3193.7kbits/sframe=    7 fps=1.1
 q=0.0 size=     180kB time=00:00:00.46 bitrate=3163.9kbits/sframe=    8
 fps=1.1 q=0.0 size=     205kB time=00:00:00.53 bitrate=3143.8kbits/sframe=
 9 fps=1.1 q=0.0 size=     235kB time=00:00:00.60
 bitrate=3213.5kbits/sframe=   10 fps=1.0 q=0.0 size=     259kB
 time=00:00:00.66 bitrate=3186.0kbits/sframe=   11 fps=1.0 q=0.0 size=
 285kB time=00:00:00.73 bitrate=3184.8kbits/sframe=   12 fps=1.0 q=0.0
 size=     310kB time=00:00:00.80 bitrate=3170.6kbits/sframe=   13 fps=1.0
 q=0.0 size=     334kB time=00:00:00.86 bitrate=3159.7kbits/sframe=   14
 fps=1.0 q=0.0 size=     364kB time=00:00:00.93 bitrate=3198.8kbits/sframe=
 15 fps=1.0 q=0.0 size=     391kB time=00:00:01.00
 bitrate=3201.0kbits/sframe=   15 fps=0.9 q=0.0 size=     391kB
 time=-577014:-32:-22.-77 bitrate=N/A  frame=   15 fps=0.9 q=0.0 Lsize=
 392kB time=00:00:01.00 bitrate=3207.2kbits/s
 video:391kB audio:0kB subtitle:0 global headers:0kB muxing overhead
 0.202455%
 ==2845== Invalid free() / delete / delete[] / realloc()
 ==2845==    at 0x402750C: free (vg_replace_malloc.c:427)
 ==2845==    by 0x8811161: av_freep (mem.c:210)
 ==2845==    by 0x41B4E15: (below main) (libc-start.c:228)
 ==2845==  Address 0x4365df4 is 12,756 bytes inside a block of size 13,448
 alloc'd
 ==2845==    at 0x40268A4: memalign (vg_replace_malloc.c:694)
 ==2845==    by 0x402695E: posix_memalign (vg_replace_malloc.c:835)
 ==2845==    by 0x88111D7: av_mallocz (mem.c:93)
 ==2845==    by 0x85A31C0: avcodec_get_context_defaults3 (options.c:129)
 ==2845==    by 0x80A44A8: new_output_stream (ffmpeg_opt.c:1028)
 ==2845==    by 0x80A4F58: new_video_stream (ffmpeg_opt.c:1174)
 ==2845==    by 0x80A73C7: open_output_file (ffmpeg_opt.c:1694)
 ==2845==    by 0x80A2408: open_files.isra.7 (ffmpeg_opt.c:2483)
 ==2845==    by 0x41B4E15: (below main) (libc-start.c:228)
 ==2845==
 ==2845==
 ==2845== HEAP SUMMARY:
 ==2845==     in use at exit: 0 bytes in 0 blocks
 ==2845==   total heap usage: 2,160 allocs, 2,162 frees, 6,626,085 bytes
 allocated
 ==2845==
 ==2845== All heap blocks were freed -- no leaks are possible
 ==2845==
 ==2845== For counts of detected and suppressed errors, rerun with: -v
 ==2845== ERROR SUMMARY: 2 errors from 1 contexts (suppressed: 23 from 6)
 knoppix at Microknoppix:/media/sdb1$
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2747>
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