tequilaOS/platform_system_core
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

am 4bb951a8: Merge "BlobCache: fix uninitialized memory" into lmp-dev

Browse source 
* commit '4bb951a85a4888540caba4f14f18e99917d4c994':
  BlobCache: fix uninitialized memory
This commit is contained in:
Antoine Labour 2014-07-30 16:40:33 +00:00 committed by Android Git Automerger
commit 71db714437
1 changed files with 8 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
libutils/BlobCache.cpp
View file

@ -213,7 +213,14 @@ status_t BlobCache::flatten(void* buffer, size_t size) const {
memcpy(eheader->mData, keyBlob->getData(), keySize);
memcpy(eheader->mData + keySize, valueBlob->getData(), valueSize);
byteOffset += align4(entrySize);
size_t totalSize = align4(entrySize);
if (totalSize > entrySize) {
// We have padding bytes. Those will get written to storage, and contribute to the CRC,
// so make sure we zero-them to have reproducible results.
memset(eheader->mData + keySize + valueSize, 0, totalSize - entrySize);
}
byteOffset += totalSize;
}
return OK;