avcodec/diracdec: Change frame_number to 64bit as its a 32bit from the bitstream...
authorMichael Niedermayer <michael@niedermayer.cc>
Sun, 22 Jul 2018 18:45:39 +0000 (20:45 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Sat, 28 Jul 2018 12:35:50 +0000 (14:35 +0200)
commit462d1be6dec5ff4768be8c202f359cbf037db3c6
tree7a7d154b3cb7e9a8cfb796b4f0b200cc906066ff
parent69cac9e130dc8c9d2a5b8012011df372974adf35
avcodec/diracdec: Change frame_number to 64bit as its a 32bit from the bitstream and we also have a -1 special case

Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 9291/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-6324345860259840

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