Fixes: signed integer overflow: 0 - -9223372036854775808 cannot be represented in type 'long' Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_MPL2_fuzzer-6747053545881600
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/subtitles.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/subtitles.c b/libavformat/subtitles.c index 05c07cd852..6368ec74f9 100644 --- a/libavformat/subtitles.c +++ b/libavformat/subtitles.c @@ -206,7 +206,7 @@ void ff_subtitles_queue_finalize(void *log_ctx, FFDemuxSubtitlesQueue *q) q->sort == SUB_SORT_TS_POS ? cmp_pkt_sub_ts_pos : cmp_pkt_sub_pos_ts); for (i = 0; i < q->nb_subs; i++) - if (q->subs[i]->duration < 0 && i < q->nb_subs - 1) + if (q->subs[i]->duration < 0 && i < q->nb_subs - 1 && q->subs[i + 1]->pts - (uint64_t)q->subs[i]->pts <= INT64_MAX) q->subs[i]->duration = q->subs[i + 1]->pts - q->subs[i]->pts; if (!q->keep_duplicates) -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
