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Fix cache v1 compression crash in nsCompressOutputStreamWrapper::Close()

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wolfbeast 2018-07-03 04:26:29 +02:00 • committed by Roy Tam
commit 8c917ef35e
1 changed files with 6 additions and 0 deletions
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6
netwerk/cache/nsCacheEntryDescriptor.cpp vendored
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@ -1399,6 +1399,12 @@ nsCompressOutputStreamWrapper::Close()
// Do not allow to initialize stream after calling Close(). // Do not allow to initialize stream after calling Close().
mStreamEnded = true; mStreamEnded = true;
// In some rare cases, flushing the zlib stream can take too long
// and we lose our cache entry in the meantime. Do another check
// and bail if so.
if (!mDescriptor)
return NS_ERROR_NOT_AVAILABLE;
if (mDescriptor->CacheEntry()) { if (mDescriptor->CacheEntry()) {
nsAutoCString uncompressedLenStr; nsAutoCString uncompressedLenStr;
rv = mDescriptor->GetMetaDataElement("uncompressed-len", rv = mDescriptor->GetMetaDataElement("uncompressed-len",