[libav-bugs] [Bug 1028] Heap out of bounds read in pred8x8_mad_cow_dc_l0t_8()

bugzilla at libav.org bugzilla at libav.org
Sun Feb 19 04:08:53 CET 2017


--- Comment #3 from Sean McGovern <gseanmcg at gmail.com> ---
sean at ohana:/build/libav-clang$ uname -a
Linux ohana 4.4.0-62-generic #83-Ubuntu SMP Wed Jan 18 14:10:15 UTC 2017 x86_64
x86_64 x86_64 GNU/Linux

sean at ohana:/build/libav-clang$ head -2 avbuild/config.mak
# Automatically generated by configure - do not modify!
LIBAV_CONFIGURATION=--prefix=/build/libav-clang/install --enable-gpl
--disable-vdpau --cc=/usr/bin/clang-3.8

sean at ohana:/build/libav-clang$ ./avprobe bz1028_test_case 
avprobe version v13_dev0-860-g7cb9296, Copyright (c) 2007-2017 the Libav
  built on Feb 18 2017 22:06:31 with clang version 3.8.0-2ubuntu4
[h264 @ 0x1cf5a40] missing picture in access unit
[h264 @ 0x1cf5a40] slice type 32 too large at -1
[h264 @ 0x1cf5a40] decode_slice_header error
[h264 @ 0x1cf5a40] no frame!
[h264 @ 0x1cf5a40] top block unavailable for requested intra4x4 mode -1
[h264 @ 0x1cf5a40] error while decoding MB 3 0, bytestream -1
[h264 @ 0x1cf48e0] Estimating duration from bitrate, this may be inaccurate
Input #0, h264, from 'bz1028_test_case':
  Duration: N/A, bitrate: N/A
    Stream #0:0: Video: h264 (High)
      yuv420p, 352x288
      25 fps, 25 tbn
# avprobe output

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