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Diffstat (limited to 'thirdparty/libwebp/src/mux/muxread.c')
-rw-r--r--thirdparty/libwebp/src/mux/muxread.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/thirdparty/libwebp/src/mux/muxread.c b/thirdparty/libwebp/src/mux/muxread.c
index 268f6acb53..ae3b876bc5 100644
--- a/thirdparty/libwebp/src/mux/muxread.c
+++ b/thirdparty/libwebp/src/mux/muxread.c
@@ -100,7 +100,7 @@ static int MuxImageParse(const WebPChunk* const chunk, int copy_data,
WebPMuxImage* const wpi) {
const uint8_t* bytes = chunk->data_.bytes;
size_t size = chunk->data_.size;
- const uint8_t* const last = bytes + size;
+ const uint8_t* const last = (bytes == NULL) ? NULL : bytes + size;
WebPChunk subchunk;
size_t subchunk_size;
WebPChunk** unknown_chunk_list = &wpi->unknown_;