libavformat · b307d74fe6aec009e234a1288385be8a9268bd38 · Linshizhi / ffmpeg.wasm-core

avformat/vividas: Check that value from ffio_read_varlen() does not overflow · 07357cd9

Michael Niedermayer authored Jul 20, 2019

Fixes: signed integer overflow: -1241665686 + -1340629419 cannot be represented in type 'int'
Fixes: 15922/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5692826442006528

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

07357cd9

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