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authorNick Mathewson <nickm@torproject.org>2017-06-20 12:26:57 -0400
committerNick Mathewson <nickm@torproject.org>2017-06-20 12:26:57 -0400
commit9328bd524e38befe240fd729a9febb4dfe8b5be4 (patch)
tree93510123bf30cf23af636cb7f9c4a62b7e84970d /changes/bug22672
parent945256188ab3a9b5842455f714d51e1871b0bf69 (diff)
downloadtor-9328bd524e38befe240fd729a9febb4dfe8b5be4.tar.gz
tor-9328bd524e38befe240fd729a9febb4dfe8b5be4.zip
Enforce the rule that COMPRESS_OK means progress was made.
If COMPRESS_OK occurs but data is neither consumed nor generated, treat it as a BUG and a COMPRESS_ERROR. This change is meant to prevent infinite loops in the case where we've made a mistake in one of our compression backends. Closes ticket 22672.
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+ o Minor features (compression, defensive programming):
+ - Detect and break out of infinite loops in our compression code.
+ We don't think that any such loops exist now, but it's best to be
+ safe. Closes ticket 22672.
+