From 64ea4d102a070b95832ae4a751688f87da7760a2 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 20 May 2017 01:23:01 +0200 Subject: [PATCH] avcodec/mlpdec: Do not leave a invalid num_primitive_matrices in the context Fixes: runtime error: index 8 out of bounds for type 'uint8_t [8]' Fixes: 1699/clusterfuzz-testcase-minimized-6327177438035968 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/mlpdec.c | 1 + 1 file changed, 1 insertion(+) diff --git a/libavcodec/mlpdec.c b/libavcodec/mlpdec.c index 5426712007..eac19a0d5e 100644 --- a/libavcodec/mlpdec.c +++ b/libavcodec/mlpdec.c @@ -729,6 +729,7 @@ static int read_matrix_params(MLPDecodeContext *m, unsigned int substr, GetBitCo av_log(m->avctx, AV_LOG_ERROR, "Number of primitive matrices cannot be greater than %d.\n", max_primitive_matrices); + s->num_primitive_matrices = 0; return AVERROR_INVALIDDATA; }