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-rw-r--r--core/fxcodec/codec/fx_codec_progress.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/core/fxcodec/codec/fx_codec_progress.cpp b/core/fxcodec/codec/fx_codec_progress.cpp
index f10523cc39..0f2f56122b 100644
--- a/core/fxcodec/codec/fx_codec_progress.cpp
+++ b/core/fxcodec/codec/fx_codec_progress.cpp
@@ -625,6 +625,8 @@ bool CCodec_ProgressiveDecoder::GifInputRecordPositionBuf(
if (pal_num != 0 && pal_ptr) {
pPalette = (uint8_t*)pal_ptr;
} else {
+ if (!m_pGifPalette)
+ return false;
pal_num = m_GifPltNumber;
pPalette = m_pGifPalette;
}
@@ -1207,6 +1209,7 @@ bool CCodec_ProgressiveDecoder::DetectImageType(FXCODEC_IMAGE_TYPE imageType,
while (readResult == GifDecodeStatus::Unfinished) {
FXCODEC_STATUS error_status = FXCODEC_STATUS_ERR_FORMAT;
if (!GifReadMoreData(pGifModule, error_status)) {
+ m_pGifContext = nullptr;
m_status = error_status;
return false;
}