[FFmpeg-trac] #1888(undetermined:open): asf: huge memory allocation after seeking

FFmpeg trac at avcodec.org
Mon Nov 5 23:10:01 CET 2012


#1888: asf: huge memory allocation after seeking
-------------------------------------+-------------------------------------
             Reporter:  ami_stuff    |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  1
-------------------------------------+-------------------------------------
Changes (by cehoyos):

 * status:  new => open
 * version:  unspecified => git-master
 * reproduced:  0 => 1


Comment:

 {{{
 $ valgrind ./ffmpeg_g -ss 11 -i XFMode.ASF -f null -
 ==18121== Memcheck, a memory error detector
 ==18121== Copyright (C) 2002-2011, and GNU GPL'd, by Julian Seward et al.
 ==18121== Using Valgrind-3.7.0 and LibVEX; rerun with -h for copyright
 info
 ==18121== Command: ./ffmpeg_g -ss 11 -i XFMode.ASF -f null -
 ==18121==
 ffmpeg version N-46455-ge859339 Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Nov  5 2012 22:54:17 with gcc 4.7 (SUSE Linux)
   configuration: --disable-indev=jack
   libavutil      52.  4.100 / 52.  4.100
   libavcodec     54. 71.100 / 54. 71.100
   libavformat    54. 36.100 / 54. 36.100
   libavdevice    54.  3.100 / 54.  3.100
   libavfilter     3. 21.106 /  3. 21.106
   libswscale      2.  1.102 /  2.  1.102
   libswresample   0. 16.100 /  0. 16.100
 [asf @ 0x66b2c80] ignoring invalid packet_obj_size (4068 3656 400 11759)
 [asf @ 0x66b2c80] ignoring invalid packet_obj_size (573 2445 400 3018)
 [asf @ 0x66b2c80] ignoring invalid packet_obj_size (2208 564 400 2772)
 [asf @ 0x66b2c80] ignoring invalid packet_obj_size (712 2338 400 3050)
 [asf @ 0x66b2c80] ignoring invalid packet_obj_size (1605 1354 400 2959)
 [asf @ 0x66b2c80] ignoring invalid packet_obj_size (324 3274 400 3598)
 [asf @ 0x66b2c80] ignoring invalid packet_obj_size (1495 1635 400 3130)
 [asf @ 0x66b2c80] ignoring invalid packet_obj_size (3067 3656 400 16521)
 [asf @ 0x66b2c80] ignoring invalid packet_obj_size (231 3394 400 3625)
 [asf @ 0x66b2c80] ignoring invalid packet_obj_size (924 2793 400 3717)
 [asf @ 0x66b2c80] ignoring invalid packet_obj_size (2024 1248 400 3272)
 Input #0, asf, from 'XFMode.ASF':
   Metadata:
     title           :                                              (DV 0
 0)
     comment         : DVD Recorder
   Duration: 00:00:12.43, start: 0.000000, bitrate: 1018 kb/s
     Stream #0:0: Video: mpeg4 (EM4A / 0x41344D45), yuv420p, 320x240, 100
 tbr, 1k tbn, 1k tbc
     Stream #0:1: Audio: adpcm_g726 (E[0][0][0] / 0x0045), 8000 Hz, mono,
 s16, 32 kb/s
 Output #0, null, to 'pipe:':
   Metadata:
     title           :                                              (DV 0
 0)
     comment         : DVD Recorder
     encoder         : Lavf54.36.100
     Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 320x240,
 q=2-31, 200 kb/s, 90k tbn, 100 tbc
     Stream #0:1: Audio: pcm_s16le, 8000 Hz, mono, s16, 128 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (mpeg4 -> rawvideo)
   Stream #0:1 -> #0:1 (g726 -> pcm_s16le)
 Press [q] to stop, [?] for help
 [asf @ 0x66b2c80] packet fragment position invalid 2704,1315 not in 0
 [asf @ 0x66b2c80] packet_obj_size invalid
 [asf @ 0x66b2c80] freeing incomplete packet size 0, new 400
 [asf @ 0x66b2c80] packet fragment position invalid 2741,3656 not in 400
 [asf @ 0x66b2c80] ff asf bad header 2c  at:1279859
 [asf @ 0x66b2c80] packet_replic_size 181 is invalid
 [asf @ 0x66b2c80] ff asf bad header 80  at:1284855
 [asf @ 0x66b2c80] packet_obj_size invalid
 [asf @ 0x66b2c80] ff asf bad header 51  at:1290749
 [asf @ 0x66b2c80] invalid padsize 64268 at:1290752
 [asf @ 0x66b2c80] freeing incomplete packet size 400, new -634225517
 [asf @ 0x66b2c80] packet fragment position invalid 2781,876 not in 0
 [asf @ 0x66b2c80] packet_obj_size invalid
 ==18121== Warning: set address range perms: large range [0x3943e080,
 0xb834df50) (undefined)
 [asf @ 0x66b2c80] ignoring invalid packet_obj_size (838 3218 3875
 2129723072)
 [asf @ 0x66b2c80] ignoring invalid packet_obj_size (4056 657 400
 2129723072)
 [asf @ 0x66b2c80] ignoring invalid packet_obj_size (4713 2982 3776
 2129723072)
 [asf @ 0x66b2c80] ignoring invalid packet_obj_size (8489 3262 3872
 2129723072)
 [asf @ 0x66b2c80] ignoring invalid packet_obj_size (12361 3446 4037
 2129723072)

 ...

 [asf @ 0x66b2c80] ignoring invalid packet_obj_size (257678 242 400
 2129723072)
 [asf @ 0x66b2c80] ignoring invalid packet_obj_size (257920 2976 2976
 2129723072)
 [asf @ 0x66b2c80] ignoring invalid packet_obj_size (260896 404 3255
 2129723072)
 [asf @ 0x66b2c80] ignoring invalid packet_obj_size (264151 1205 3009
 2129723072)
 [asf @ 0x66b2c80] ignoring invalid packet_obj_size (265356 1804 400
 2129723072)
 frame=    0 fps=0.0 q=0.0 Lsize=       0kB time=00:00:01.50 bitrate=
 0.0kbits/s    ^M
 video:0kB audio:39kB subtitle:0 global headers:0kB muxing overhead
 -100.000000%
 ==18121== Warning: set address range perms: large range [0x3943e070,
 0xb834df60) (noaccess)
 ==18121==
 ==18121== HEAP SUMMARY:
 ==18121==     in use at exit: 0 bytes in 0 blocks
 ==18121==   total heap usage: 2,157 allocs, 2,157 frees, 2,131,607,624
 bytes allocated
 ==18121==
 ==18121== All heap blocks were freed -- no leaks are possible
 ==18121==
 ==18121== For counts of detected and suppressed errors, rerun with: -v
 ==18121== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 2 from 2)
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1888#comment:1>
FFmpeg <http://ffmpeg.org>
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