From 2ff9f178519b68d4d1d606eb5451ad81da948efc Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Fri, 26 Jan 2018 00:24:49 +0100
Subject: [PATCH] avcodec/indeo5: Do not leave frame_type set to an invalid
value
Fixes: null pointer dereference
Fixes: 5264/clusterfuzz-testcase-minimized-4621956621008896
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
libavcodec/indeo5.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libavcodec/indeo5.c b/libavcodec/indeo5.c
index 81b4514038a..b39cffd9a91 100644
--- a/libavcodec/indeo5.c
+++ b/libavcodec/indeo5.c
@@ -324,6 +324,7 @@ static int decode_pic_hdr(IVI45DecContext *ctx, AVCodecContext *avctx)
ctx->frame_type = get_bits(&ctx->gb, 3);
if (ctx->frame_type >= 5) {
av_log(avctx, AV_LOG_ERROR, "Invalid frame type: %d \n", ctx->frame_type);
+ ctx->frame_type = FRAMETYPE_INTRA;
return AVERROR_INVALIDDATA;
}
--
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