From f55bc96a5449179ee9b0aab6f0a4581ba1df6b62 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 27 Dec 2013 03:00:13 +0100 Subject: [PATCH] avcodec/pcm-dvd: reset last header on errors Fixes: msan_uninit-mem_7f4fff975a2c_4957_dvd_audio_sample.aob Fixes use of uninitialized memory Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer --- libavcodec/pcm-dvd.c | 1 + 1 file changed, 1 insertion(+) diff --git a/libavcodec/pcm-dvd.c b/libavcodec/pcm-dvd.c index 77da8bf7e7..9b4c40ee22 100644 --- a/libavcodec/pcm-dvd.c +++ b/libavcodec/pcm-dvd.c @@ -70,6 +70,7 @@ static int pcm_dvd_parse_header(AVCodecContext *avctx, const uint8_t *header) /* early exit if the header didn't change apart from the frame number */ if (s->last_header == header_int) return 0; + s->last_header = -1; if (avctx->debug & FF_DEBUG_PICT_INFO) av_dlog(avctx, "pcm_dvd_parse_header: header = %02x%02x%02x\n",