assertion in lockChunk

[tlc]

I see this daily. Pulled 10/27.

Unsupported Cache-Control directive post-check -- ignored.
Unsupported Cache-Control directive pre-check -- ignored.
Unsupported Cache-Control directive post-check -- ignored.
Unsupported Cache-Control directive pre-check -- ignored.
Assertion failed: (i >= 0), function lockChunk, file object.c, line 318.
Abort trap: 6

$ cat ~/.polipo

proxyAddress = "127.0.0.1"
proxyPort = 8000

allowedClients = 127.0.0.1
allowedPorts = 1-65535

proxyName = "localhost"

cacheIsShared = false
# daemonize = true


socksParentProxy = "localhost:9888"
socksProxyType = socks5

# disableLocalInterface = true
# disableConfiguration = true
localDocumentRoot=/Users/tlc/polipo

scrubLogs = true