From 2b31264e1a6b4296d691ebd946325a9c33e57766 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 6b4dab1e35..e05eaed4fb 100644 --- a/libavcodec/alsdec.c +++ b/libavcodec/alsdec.c @@ -1493,6 +1493,11 @@ 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; }