From 29808fff339da3e0f26131f7a6209b853947a54b Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 4 Jun 2017 17:06:27 +0200 Subject: [PATCH] avcodec/hevc_ps: Fix runtime error: index 32 out of bounds for type 'uint8_t [32]' Fixes: 2010/clusterfuzz-testcase-minimized-6209288450080768 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/hevc_ps.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/libavcodec/hevc_ps.c b/libavcodec/hevc_ps.c index 656d969ce2..407190dbb1 100644 --- a/libavcodec/hevc_ps.c +++ b/libavcodec/hevc_ps.c @@ -170,6 +170,12 @@ int ff_hevc_decode_short_term_rps(GetBitContext *gb, AVCodecContext *avctx, } } + if (k >= FF_ARRAY_ELEMS(rps->used)) { + av_log(avctx, AV_LOG_ERROR, + "Invalid num_delta_pocs: %d\n", k); + return AVERROR_INVALIDDATA; + } + rps->num_delta_pocs = k; rps->num_negative_pics = k0; // sort in increasing order (smallest first)