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Fix ziplist and listpack overflows and truncations (CVE-2021-32627, C…
…VE-2021-32628) - fix possible heap corruption in ziplist and listpack resulting by trying to allocate more than the maximum size of 4GB. - prevent ziplist (hash and zset) from reaching size of above 1GB, will be converted to HT encoding, that's not a useful size. - prevent listpack (stream) from reaching size of above 1GB. - XADD will start a new listpack if the new record may cause the previous listpack to grow over 1GB. - XADD will respond with an error if a single stream record is over 1GB - List type (ziplist in quicklist) was truncating strings that were over 4GB, now it'll respond with an error.
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