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Fix oss-fuzz newly reported bug 14267. reset reference's references after call DecreasePicBuff when new sequence arrives

xiaotiansf committed 7 years ago

Commit 45056411 parent 7a1edba1 file · +8 −0Browse files

Showing the changes to codec/decoder/core/src/decoder.cpp (1 of 1 file). Show all

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codec/decoder/core/src/decoder.cpp+8−0
@@ -228,6 +228,14 @@ static int32_t DecreasePicBuff (PWelsDecoderContext pCtx, PPicBuff* ppPicBuf, co · 227 unmodified lines
228 pPicNewBuf->ppPic[i]->uiRefCount = 0;228 pPicNewBuf->ppPic[i]->uiRefCount = 0;
229 pPicNewBuf->ppPic[i]->bAvailableFlag = true;229 pPicNewBuf->ppPic[i]->bAvailableFlag = true;
230 pPicNewBuf->ppPic[i]->bIsComplete = false;230 pPicNewBuf->ppPic[i]->bIsComplete = false;
231 //remove references
232 for (int32_t listIdx = LIST_0; listIdx < LIST_A; ++listIdx) {
233 uint32_t i = 0;
234 while (i < MAX_DPB_COUNT && pPicNewBuf->ppPic[i]->pRefPic[listIdx][i]) {
235 pPicNewBuf->ppPic[i]->pRefPic[listIdx][i] = 0;
236 ++i;
237 }
238 }
231 }239 }
232 // remove old PicBuf240 // remove old PicBuf
233 if (pPicOldBuf->ppPic != NULL) {241 if (pPicOldBuf->ppPic != NULL) {

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