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authorMichael Niedermayer <michael@niedermayer.cc>2021-01-12 21:17:18 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2021-09-10 16:04:26 +0200
commit891209076d34f3a2d2963e28a14b82405dc5de93 (patch)
tree690f1456bb4e225ca487dc941d84aed1b51a58db /doc/libavformat.texi
parent2382d586898a7950dec39b8c5780d24d05b033a5 (diff)
downloadffmpeg-891209076d34f3a2d2963e28a14b82405dc5de93.tar.gz
avformat/asfdec_o: Check size vs. offset in detect_unknown_subobject()
Fixes: signed integer overflow: 2314885530818453566 + 7503032301549264928 cannot be represented in type 'long' Fixes: 26639/clusterfuzz-testcase-minimized-ffmpeg_dem_ASF_O_fuzzer-6024222100684800 Alternatively this could be ignored but then the end condition of the loop would be hard to reach as avio_tell() is int64_t 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 0bee216ad454dd7238a03dd9a76428cc6c3233cc) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'doc/libavformat.texi')
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