[FFmpeg-devel] [PATCH] libavcodec/exr.c : exr lossy compression B44 added

[Michael Niedermayer]

On Sun, Apr 26, 2015 at 05:55:55PM +0530, greeshma wrote:
> Sorry,My mistake
> New patch attached.

segfaults with
./ffmpeg_g -i FFmpeg_Logo_B44_HalfRGBA.exr -f null -
[...]
==22198== Invalid write of size 2
==22198==    at 0x4C2E1B4: memcpy@@GLIBC_2.14 (mc_replace_strmem.c:877)
==22198==    by 0x736EBD: b44_uncompress (exr.c:850)
==22198==    by 0x73768B: decode_block (exr.c:998)
==22198==    by 0xAA804C: avcodec_default_execute2 (utils.c:1118)
==22198==    by 0x738AEF: decode_frame (exr.c:1441)
==22198==    by 0xAABE8C: avcodec_decode_video2 (utils.c:2379)
==22198==    by 0x676CDE: try_decode_frame (utils.c:2671)
==22198==    by 0x679779: avformat_find_stream_info (utils.c:3314)
==22198==    by 0x41C4C7: open_input_file (ffmpeg_opt.c:911)
==22198==    by 0x42457A: open_files (ffmpeg_opt.c:2748)
==22198==    by 0x4246F8: ffmpeg_parse_options (ffmpeg_opt.c:2785)
==22198==    by 0x438993: main (ffmpeg.c:4045)
==22198==  Address 0x11233f3e is not stack'd, malloc'd or (recently) free'd

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Avoid a single point of failure, be that a person or equipment.
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