From ff13a92a6f8413402f5b3cacedda7c10d350b487 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 17 Mar 2019 11:14:26 +0100 Subject: avformat/mov: Fix potential integer overflow in entry check in mov_read_trun() No testcase Signed-off-by: Michael Niedermayer --- libavformat/mov.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'libavformat/mov.c') diff --git a/libavformat/mov.c b/libavformat/mov.c index 9e5670c61a..d5ce077e63 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -4778,7 +4778,7 @@ static int mov_read_trun(MOVContext *c, AVIOContext *pb, MOVAtom atom) av_log(c->fc, AV_LOG_TRACE, "first sample flags 0x%x\n", first_sample_flags); // realloc space for new index entries - if((unsigned)st->nb_index_entries + entries >= UINT_MAX / sizeof(AVIndexEntry)) { + if((uint64_t)st->nb_index_entries + entries >= UINT_MAX / sizeof(AVIndexEntry)) { entries = UINT_MAX / sizeof(AVIndexEntry) - st->nb_index_entries; av_log(c->fc, AV_LOG_ERROR, "Failed to add index entry\n"); } -- cgit v1.2.3