Fixes: out of array access Fixes: 13997/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AGM_fuzzer-5701427252428800
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/agm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/agm.c b/libavcodec/agm.c index b0e8b80f81..8e4d6eb342 100644 --- a/libavcodec/agm.c +++ b/libavcodec/agm.c @@ -88,6 +88,9 @@ static int read_code(GetBitContext *gb, int *oskip, int *level, int *map, int mo { int len = 0, skip = 0, max; + if (get_bits_left(gb) < 2) + return AVERROR_INVALIDDATA; + if (show_bits(gb, 2)) { switch (show_bits(gb, 4)) { case 1: -- 2.21.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
