avcodec/vb: Check for end of bytestream before reading blocktype
authorMichael Niedermayer <michael@niedermayer.cc>
Mon, 20 Aug 2018 20:19:23 +0000 (22:19 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Sat, 25 Aug 2018 19:50:17 +0000 (21:50 +0200)
commit1cbac9ce20d32806febf64cbd9f830e1485695ca
treee511bfd82cc5f8e1735b27e2d5e36a4d9d374ebc
parentacba153a148782c08f9fd17f0c05b93468f3cbd0
avcodec/vb: Check for end of bytestream before reading blocktype

Fixes: Timeout
Fixes: 9601/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VB_fuzzer-4550228702134272

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