avformat/utils: Check AVFormatContext->duration in compute_chapters_end() before use
authorMichael Niedermayer <michael@niedermayer.cc>
Wed, 2 Dec 2015 21:59:56 +0000 (22:59 +0100)
committerMichael Niedermayer <michael@niedermayer.cc>
Wed, 2 Dec 2015 23:13:27 +0000 (00:13 +0100)
commitd872643cfe07e39fee42c846d5a3f57d5cad6ab6
treed6399f8bba35c9234471cedfbb80a0cc84343e4f
parentb2517b02d99054b18398427ba890fee582a8c7bf
avformat/utils: Check AVFormatContext->duration in compute_chapters_end() before use

Fixes integer overflow
Fixes: 266ee543812e934f7b4a72923a2701d4/signal_sigabrt_7ffff6ae7cc9_7322_85218d61759d461bdf7387180e8000c9.ogg

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavformat/utils.c