Commit 86e3289f authored by Michael Niedermayer's avatar Michael Niedermayer

mov: fix heap buffer overflow

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent 4f16153d
...@@ -1830,7 +1830,7 @@ static void mov_build_index(MOVContext *mov, AVStream *st) ...@@ -1830,7 +1830,7 @@ static void mov_build_index(MOVContext *mov, AVStream *st)
current_dts -= sc->dts_shift; current_dts -= sc->dts_shift;
if (!sc->sample_count) if (!sc->sample_count || st->nb_index_entries)
return; return;
if (sc->sample_count >= UINT_MAX / sizeof(*st->index_entries)) if (sc->sample_count >= UINT_MAX / sizeof(*st->index_entries))
return; return;
......
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