[oss-fuzz 3A5166892390350848] Integer-overflow in subtitle_Parse*()
Ref: https://oss-fuzz.com/testcases?q=group%3A5166892390350848
- https://oss-fuzz.com/testcase-detail/4956019512115200
- https://oss-fuzz.com/testcase-detail/6179907956965376
xeon ~/work/git/vlc/build-ubsan $ VLC_TARGET=subtitle ./test/vlc-demux-dec-run /home/tom/Downloads/clusterfuzz-testcase-minimized-vlc-demux-dec-libfuzzer-subtitle-4956019512115200
../../modules/demux/subtitle.c:1197:31: runtime error: signed integer overflow: 444444441 * 3600 cannot be represented in type 'int'xeon ~/work/git/vlc/build-ubsan $ VLC_TARGET=subtitle ./test/vlc-demux-dec-run /home/tom/Downloads/clusterfuzz-testcase-minimized-vlc-demux-dec-libfuzzer-subtitle-4956019512115200
../../modules/demux/subtitle.c:1197:31: runtime error: signed integer overflow: 444444441 * 3600 cannot be represented in type 'int'Samples: