ffmpeg/libavformat
Michael Niedermayer c731c8ce95
avformat/wavdec: Check left avio_tell for overflow
Fixes: signed integer overflow: 155 + 9223372036854775655 cannot be represented in type 'long'
Fixes: 51896/clusterfuzz-testcase-minimized-ffmpeg_dem_W64_fuzzer-5364032278495232

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 929ddef3f40102d6a84cfa17ed7c7ffebcf8236e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-19 12:29:16 +02:00
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