Carl Eugen Hoyos <[email protected]> added the comment:
==28469== Use of uninitialised value of size 4 ==28469== at 0x822B1D5: decode_block (mjpegdec.c:411) ==28469== by 0x822CCED: mjpeg_decode_scan (mjpegdec.c:812) ==28469== by 0x822DA02: ff_mjpeg_decode_sos (mjpegdec.c:997) ==28469== by 0x822EAAD: ff_mjpeg_decode_frame (mjpegdec.c:1464) ==28469== by 0x8313ADD: avcodec_decode_video2 (utils.c:611) ==28469== by 0x80FCAC1: try_decode_frame (utils.c:2048) ==28469== by 0x80FD957: av_find_stream_info (utils.c:2325) ==28469== by 0x8054F04: opt_input_file (ffmpeg.c:3207) ==28469== by 0x805828F: parse_options (cmdutils.c:179) ==28469== by 0x8057AF1: main (ffmpeg.c:4340) ==28469== ==28469== Use of uninitialised value of size 4 ==28469== at 0x822B1F4: decode_block (mjpegdec.c:411) ==28469== by 0x822CCED: mjpeg_decode_scan (mjpegdec.c:812) ==28469== by 0x822DA02: ff_mjpeg_decode_sos (mjpegdec.c:997) ==28469== by 0x822EAAD: ff_mjpeg_decode_frame (mjpegdec.c:1464) ==28469== by 0x8313ADD: avcodec_decode_video2 (utils.c:611) ==28469== by 0x80FCAC1: try_decode_frame (utils.c:2048) ==28469== by 0x80FD957: av_find_stream_info (utils.c:2325) ==28469== by 0x8054F04: opt_input_file (ffmpeg.c:3207) ==28469== by 0x805828F: parse_options (cmdutils.c:179) ==28469== by 0x8057AF1: main (ffmpeg.c:4340) ==28469== ==28469== Conditional jump or move depends on uninitialised value(s) ==28469== at 0x839DA1B: idct (in /home/cehoyos/Projects/FFmpeg/ffmpeg_g) ==28469== by 0x839F7B8: ff_simple_idct_put_mmx (simple_idct_mmx.c:1289) ==28469== by 0x822CD4F: mjpeg_decode_scan (mjpegdec.c:818) ==28469== by 0x822DA02: ff_mjpeg_decode_sos (mjpegdec.c:997) ==28469== by 0x822EAAD: ff_mjpeg_decode_frame (mjpegdec.c:1464) ==28469== by 0x8313ADD: avcodec_decode_video2 (utils.c:611) ==28469== by 0x80FCAC1: try_decode_frame (utils.c:2048) ==28469== by 0x80FD957: av_find_stream_info (utils.c:2325) ==28469== by 0x8054F04: opt_input_file (ffmpeg.c:3207) ==28469== by 0x805828F: parse_options (cmdutils.c:179) ==28469== by 0x8057AF1: main (ffmpeg.c:4340) ==28469== ==28469== Conditional jump or move depends on uninitialised value(s) ==28469== at 0x839DB3C: idct (in /home/cehoyos/Projects/FFmpeg/ffmpeg_g) ==28469== by 0x839F7B8: ff_simple_idct_put_mmx (simple_idct_mmx.c:1289) ==28469== by 0x822CD4F: mjpeg_decode_scan (mjpegdec.c:818) ==28469== by 0x822DA02: ff_mjpeg_decode_sos (mjpegdec.c:997) ==28469== by 0x822EAAD: ff_mjpeg_decode_frame (mjpegdec.c:1464) ==28469== by 0x8313ADD: avcodec_decode_video2 (utils.c:611) ==28469== by 0x80FCAC1: try_decode_frame (utils.c:2048) ==28469== by 0x80FD957: av_find_stream_info (utils.c:2325) ==28469== by 0x8054F04: opt_input_file (ffmpeg.c:3207) ==28469== by 0x805828F: parse_options (cmdutils.c:179) ==28469== by 0x8057AF1: main (ffmpeg.c:4340) ==28469== ==28469== Conditional jump or move depends on uninitialised value(s) ==28469== at 0x839DC39: idct (in /home/cehoyos/Projects/FFmpeg/ffmpeg_g) ==28469== by 0x839F7B8: ff_simple_idct_put_mmx (simple_idct_mmx.c:1289) ==28469== by 0x822CD4F: mjpeg_decode_scan (mjpegdec.c:818) ==28469== by 0x822DA02: ff_mjpeg_decode_sos (mjpegdec.c:997) ==28469== by 0x822EAAD: ff_mjpeg_decode_frame (mjpegdec.c:1464) ==28469== by 0x8313ADD: avcodec_decode_video2 (utils.c:611) ==28469== by 0x80FCAC1: try_decode_frame (utils.c:2048) ==28469== by 0x80FD957: av_find_stream_info (utils.c:2325) ==28469== by 0x8054F04: opt_input_file (ffmpeg.c:3207) ==28469== by 0x805828F: parse_options (cmdutils.c:179) ==28469== by 0x8057AF1: main (ffmpeg.c:4340) ==28469== ==28469== Conditional jump or move depends on uninitialised value(s) ==28469== at 0x839DD36: idct (in /home/cehoyos/Projects/FFmpeg/ffmpeg_g) ==28469== by 0x839F7B8: ff_simple_idct_put_mmx (simple_idct_mmx.c:1289) ==28469== by 0x822CD4F: mjpeg_decode_scan (mjpegdec.c:818) ==28469== by 0x822DA02: ff_mjpeg_decode_sos (mjpegdec.c:997) ==28469== by 0x822EAAD: ff_mjpeg_decode_frame (mjpegdec.c:1464) ==28469== by 0x8313ADD: avcodec_decode_video2 (utils.c:611) ==28469== by 0x80FCAC1: try_decode_frame (utils.c:2048) ==28469== by 0x80FD957: av_find_stream_info (utils.c:2325) ==28469== by 0x8054F04: opt_input_file (ffmpeg.c:3207) ==28469== by 0x805828F: parse_options (cmdutils.c:179) ==28469== by 0x8057AF1: main (ffmpeg.c:4340) ==28469== ==28469== Use of uninitialised value of size 4 ==28469== at 0x8229C6F: get_vlc2 (get_bits.h:611) ==28469== by 0x822B068: mjpeg_decode_dc (mjpegdec.c:377) ==28469== by 0x822B0F5: decode_block (mjpegdec.c:398) ==28469== by 0x822CCED: mjpeg_decode_scan (mjpegdec.c:812) ==28469== by 0x822DA02: ff_mjpeg_decode_sos (mjpegdec.c:997) ==28469== by 0x822EAAD: ff_mjpeg_decode_frame (mjpegdec.c:1464) ==28469== by 0x8313ADD: avcodec_decode_video2 (utils.c:611) ==28469== by 0x80FCAC1: try_decode_frame (utils.c:2048) ==28469== by 0x80FD957: av_find_stream_info (utils.c:2325) ==28469== by 0x8054F04: opt_input_file (ffmpeg.c:3207) ==28469== by 0x805828F: parse_options (cmdutils.c:179) ==28469== by 0x8057AF1: main (ffmpeg.c:4340) ==28469== ==28469== Use of uninitialised value of size 4 ==28469== at 0x8229C7F: get_vlc2 (get_bits.h:611) ==28469== by 0x822B068: mjpeg_decode_dc (mjpegdec.c:377) ==28469== by 0x822B0F5: decode_block (mjpegdec.c:398) ==28469== by 0x822CCED: mjpeg_decode_scan (mjpegdec.c:812) ==28469== by 0x822DA02: ff_mjpeg_decode_sos (mjpegdec.c:997) ==28469== by 0x822EAAD: ff_mjpeg_decode_frame (mjpegdec.c:1464) ==28469== by 0x8313ADD: avcodec_decode_video2 (utils.c:611) ==28469== by 0x80FCAC1: try_decode_frame (utils.c:2048) ==28469== by 0x80FD957: av_find_stream_info (utils.c:2325) ==28469== by 0x8054F04: opt_input_file (ffmpeg.c:3207) ==28469== by 0x805828F: parse_options (cmdutils.c:179) ==28469== by 0x8057AF1: main (ffmpeg.c:4340) ==28469== ==28469== Invalid read of size 4 ==28469== at 0x822B190: decode_block (mjpegdec.c:410) ==28469== by 0x822CCED: mjpeg_decode_scan (mjpegdec.c:812) ==28469== by 0x822DA02: ff_mjpeg_decode_sos (mjpegdec.c:997) ==28469== by 0x822EAAD: ff_mjpeg_decode_frame (mjpegdec.c:1464) ==28469== by 0x8313ADD: avcodec_decode_video2 (utils.c:611) ==28469== by 0x80FCAC1: try_decode_frame (utils.c:2048) ==28469== by 0x80FD957: av_find_stream_info (utils.c:2325) ==28469== by 0x8054F04: opt_input_file (ffmpeg.c:3207) ==28469== by 0x805828F: parse_options (cmdutils.c:179) ==28469== by 0x8057AF1: main (ffmpeg.c:4340) ==28469== Address 0x76b98d7 is 825,863 bytes inside a block of size 825,866 alloc'd ==28469== at 0x71E7E9E: memalign (in /usr/lib64/valgrind/vgpreload_memcheck-x86-linux.so) ==28469== by 0x71E7EFB: posix_memalign (in /usr/lib64/valgrind/vgpreload_memcheck-x86-linux.so) ==28469== by 0x8471A96: av_malloc (mem.c:83) ==28469== by 0x822E39C: ff_mjpeg_decode_frame (mjpegdec.c:1286) ==28469== by 0x8313ADD: avcodec_decode_video2 (utils.c:611) ==28469== by 0x80FCAC1: try_decode_frame (utils.c:2048) ==28469== by 0x80FD957: av_find_stream_info (utils.c:2325) ==28469== by 0x8054F04: opt_input_file (ffmpeg.c:3207) ==28469== by 0x805828F: parse_options (cmdutils.c:179) ==28469== by 0x8057AF1: main (ffmpeg.c:4340) ==28469== ==28469== Invalid read of size 4 ==28469== at 0x8229C37: get_vlc2 (get_bits.h:609) ==28469== by 0x822B068: mjpeg_decode_dc (mjpegdec.c:377) ==28469== by 0x822B0F5: decode_block (mjpegdec.c:398) ==28469== by 0x822CCED: mjpeg_decode_scan (mjpegdec.c:812) ==28469== by 0x822DA02: ff_mjpeg_decode_sos (mjpegdec.c:997) ==28469== by 0x822EAAD: ff_mjpeg_decode_frame (mjpegdec.c:1464) ==28469== by 0x8313ADD: avcodec_decode_video2 (utils.c:611) ==28469== by 0x80FCAC1: try_decode_frame (utils.c:2048) ==28469== by 0x80FD957: av_find_stream_info (utils.c:2325) ==28469== by 0x8054F04: opt_input_file (ffmpeg.c:3207) ==28469== by 0x805828F: parse_options (cmdutils.c:179) ==28469== by 0x8057AF1: main (ffmpeg.c:4340) ==28469== Address 0x76b98df is 5 bytes after a block of size 825,866 alloc'd ==28469== at 0x71E7E9E: memalign (in /usr/lib64/valgrind/vgpreload_memcheck-x86-linux.so) ==28469== by 0x71E7EFB: posix_memalign (in /usr/lib64/valgrind/vgpreload_memcheck-x86-linux.so) ==28469== by 0x8471A96: av_malloc (mem.c:83) ==28469== by 0x822E39C: ff_mjpeg_decode_frame (mjpegdec.c:1286) ==28469== by 0x8313ADD: avcodec_decode_video2 (utils.c:611) ==28469== by 0x80FCAC1: try_decode_frame (utils.c:2048) ==28469== by 0x80FD957: av_find_stream_info (utils.c:2325) ==28469== by 0x8054F04: opt_input_file (ffmpeg.c:3207) ==28469== by 0x805828F: parse_options (cmdutils.c:179) ==28469== by 0x8057AF1: main (ffmpeg.c:4340) ==28469== ==28469== Invalid read of size 4 ==28469== at 0x8229A22: get_xbits (get_bits.h:340) ==28469== by 0x822B0D4: mjpeg_decode_dc (mjpegdec.c:386) ==28469== by 0x822B0F5: decode_block (mjpegdec.c:398) ==28469== by 0x822CCED: mjpeg_decode_scan (mjpegdec.c:812) ==28469== by 0x822DA02: ff_mjpeg_decode_sos (mjpegdec.c:997) ==28469== by 0x822EAAD: ff_mjpeg_decode_frame (mjpegdec.c:1464) ==28469== by 0x8313ADD: avcodec_decode_video2 (utils.c:611) ==28469== by 0x80FCAC1: try_decode_frame (utils.c:2048) ==28469== by 0x80FD957: av_find_stream_info (utils.c:2325) ==28469== by 0x8054F04: opt_input_file (ffmpeg.c:3207) ==28469== by 0x805828F: parse_options (cmdutils.c:179) ==28469== by 0x8057AF1: main (ffmpeg.c:4340) ==28469== Address 0x76b9933 is not stack'd, malloc'd or (recently) free'd ==28469== ________________________________________________ FFmpeg issue tracker <[email protected]> <https://roundup.ffmpeg.org/issue2117> ________________________________________________
