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>
Thu, 27 Jun 2019 15:50:47 +0000 (17:50 +0200)
commit1d015d840b47643562541fdffd325b8d6622a436
treec536eae8211c004f8605adacef134a8830a1808d
parent85578838cbc0d86baac9713b2cc47054e55d1a8e
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>
(cherry picked from commit 407e7c34ca8a3047e4f1b14287053638b4add68d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/hq_hqa.c