From b0ae5d02f3664545e54c8ce0101037619c4fa7e6 Mon Sep 17 00:00:00 2001 From: Andreas Rheinhardt Date: Sat, 23 Jul 2022 18:33:08 +0200 Subject: [PATCH] fftools/ffmpeg: Zero subtitle packet padding Fixes uninitialized reads in the sub-lrc-remux test. Signed-off-by: Andreas Rheinhardt --- fftools/ffmpeg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c index 632ac25cb2..1089cc48c4 100644 --- a/fftools/ffmpeg.c +++ b/fftools/ffmpeg.c @@ -1118,7 +1118,7 @@ static void do_subtitle_out(OutputFile *of, exit_program(1); } - pkt->size = subtitle_out_size; + av_shrink_packet(pkt, subtitle_out_size); pkt->pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->mux_timebase); pkt->duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->mux_timebase); if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {