ffmpeg | branch: release/4.1 | Michael Niedermayer <mich...@niedermayer.cc> | Sat Jun 15 21:08:31 2019 +0200| [da081ecf69f4c46c6638abb28b0acac33c2be075] | committer: Michael Niedermayer
avcodec/motionpixels: Check for vlc error in mp_get_vlc() Fixes: 15246/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MOTIONPIXELS_fuzzer-5168534407086080 Fixes: runtime error: index -1 out of bounds for type 'HuffCode [16]' Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 930cdef80ab695132d3de2128c3c23f2d698918b) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=da081ecf69f4c46c6638abb28b0acac33c2be075 --- libavcodec/motionpixels.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/motionpixels.c b/libavcodec/motionpixels.c index a88b837b3e..73977664a5 100644 --- a/libavcodec/motionpixels.c +++ b/libavcodec/motionpixels.c @@ -201,6 +201,8 @@ static int mp_get_vlc(MotionPixelsContext *mp, GetBitContext *gb) int i; i = (mp->codes_count == 1) ? 0 : get_vlc2(gb, mp->vlc.table, mp->max_codes_bits, 1); + if (i < 0) + return i; return mp->codes[i].delta; } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
