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authorMichael Niedermayer <michael@niedermayer.cc>2017-06-04 15:41:18 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2017-06-04 17:51:02 +0200
commiteb5049227033d946add93c0714bb8a28d94166f1 (patch)
tree09065e91f8aab0aa0ab1ca2d785b04c9c597ab61 /libavcodec/dxv.c
parent3d4026325381c1066d771bcb83e024c92ea7e189 (diff)
downloadffmpeg-eb5049227033d946add93c0714bb8a28d94166f1.tar.gz
avcodec/dxv: Check remaining bytes in dxv_decompress_raw()
Fixes: Timeout Fixes: 2006/clusterfuzz-testcase-minimized-5766515037044736 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/dxv.c')
-rw-r--r--libavcodec/dxv.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/dxv.c b/libavcodec/dxv.c
index 4b1c2d25cc..6f3c075d06 100644
--- a/libavcodec/dxv.c
+++ b/libavcodec/dxv.c
@@ -335,6 +335,9 @@ static int dxv_decompress_raw(AVCodecContext *avctx)
DXVContext *ctx = avctx->priv_data;
GetByteContext *gbc = &ctx->gbc;
+ if (bytestream2_get_bytes_left(gbc) < ctx->tex_size)
+ return AVERROR_INVALIDDATA;
+
bytestream2_get_buffer(gbc, ctx->tex_data, ctx->tex_size);
return 0;
}