Fixes: Infinite loop
Fixes: 18914/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMAVOICE_fuzzer-5731902946541568
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
skip_bits(gb, 4); // packet sequence number
s->has_residual_lsps = get_bits1(gb);
do {
+ if (get_bits_left(gb) < 6 + s->spillover_bitsize)
+ return AVERROR_INVALIDDATA;
+
res = get_bits(gb, 6); // number of superframes per packet
// (minus first one if there is spillover)
n_superframes += res;