Timo Rothenpieler 9015d595a1 avformat/flvdec: don't skip backwards or over EOF ...

Skipping backwards (and even forwards) resets the EOF flag, and can thus
lead to infinite looping if the conditions are just right.

Fixes: Infinite loop
Fixes: 427538726/clusterfuzz-testcase-minimized-ffmpeg_dem_FLV_fuzzer-6582567304495104

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>

2025-07-16 19:05:51 +02:00

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