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[FFmpeg-devel,2/2] avcodec/indeo5: Do not leave frame_type set to an invalid value

Message ID 20180126015630.3998-2-michael@niedermayer.cc
State Accepted
Commit 2ff9f178519b68d4d1d606eb5451ad81da948efc
Headers show

Commit Message

Michael Niedermayer Jan. 26, 2018, 1:56 a.m. UTC 
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(+)
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Patch

diff --git a/libavcodec/indeo5.c b/libavcodec/indeo5.c
index 81b4514038..b39cffd9a9 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;
     }