avcodec/hq_hqa: Check available space before reading slice offsets
authorMichael Niedermayer <michael@niedermayer.cc>
Sat, 11 May 2019 21:05:47 +0000 (23:05 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Sun, 12 May 2019 14:31:39 +0000 (16:31 +0200)
commit407e7c34ca8a3047e4f1b14287053638b4add68d
treea7d793aedf1d9bb6deefad5a8f0b402167c943ea
parente5ce10514918cec2ca25cf48e0dcc80d68e18656
avcodec/hq_hqa: Check available space before reading slice offsets

Fixes: Timeout (43sec -> 18sec)
Fixes: 14556/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HQ_HQA_fuzzer-5673543024508928

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/hq_hqa.c