From a3740b6a8644198d9c61f9080f4fa407d37531b8 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 4 Jun 2015 22:59:34 +0200 Subject: [PATCH] avcodec/alsdec: Check for overread Signed-off-by: Michael Niedermayer (cherry picked from commit c2657633187e325a439e3297fd9ccd0522ab2e39) Signed-off-by: Michael Niedermayer --- libavcodec/alsdec.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavcodec/alsdec.c b/libavcodec/alsdec.c index bfadf70e0d..b1f6b3a435 100644 --- a/libavcodec/alsdec.c +++ b/libavcodec/alsdec.c @@ -1468,6 +1468,11 @@ static int read_frame_data(ALSDecContext *ctx, unsigned int ra_frame) // TODO: read_diff_float_data + if (get_bits_left(gb) < 0) { + av_log(ctx->avctx, AV_LOG_ERROR, "Overread %d\n", -get_bits_left(gb)); + return AVERROR_INVALIDDATA; + } + return 0; }