avcodec/dvbsubdec: Check object position
authorMichael Niedermayer <michael@niedermayer.cc>
Tue, 5 Mar 2019 19:14:05 +0000 (20:14 +0100)
committerMichael Niedermayer <michael@niedermayer.cc>
Thu, 14 Mar 2019 15:24:35 +0000 (16:24 +0100)
commita8c5ae451184e879fc8ff1333c6f26f9542c8ebf
tree3705fed2a83758e01b5177b5ed56b6819c42351a
parent9a9f0e239c1c6f5c96cc90ba673087f86ca1eabc
avcodec/dvbsubdec: Check object position

Reference: ETSI EN 300 743 V1.2.1  7.2.2 Region composition segment

Fixes: Timeout
Fixes: 13325/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DVBSUB_fuzzer-5143979392237568

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/dvbsubdec.c