Fixes: use of uninitialized value Fixes: 70872/clusterfuzz-testcase-minimized-ffmpeg_dem_OBU_fuzzer-6005782487826432
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/av1dec.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavformat/av1dec.c b/libavformat/av1dec.c index 3363003b181..a5b620a0abf 100644 --- a/libavformat/av1dec.c +++ b/libavformat/av1dec.c @@ -326,6 +326,9 @@ static int read_obu_with_size(const uint8_t *buf, int buf_size, int64_t *obu_siz skip_bits(&gb, 3); // extension_header_reserved_3bits } + if (get_bits_left(&gb) < 8) + return AVERROR_INVALIDDATA; + *obu_size = get_leb128(&gb); if (*obu_size > INT_MAX) return AVERROR_INVALIDDATA; -- 2.45.2 _______________________________________________ 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".
