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authorKevin Krakauer <krakauer@google.com>2020-07-09 22:37:11 -0700
committerKevin Krakauer <krakauer@google.com>2020-07-22 16:51:42 -0700
commitfb8be7e6273f5a646cdf48e38743a2507a4bf64f (patch)
treeb849fe4dff0f876f766bc7dacbfc0c9dd14e7632 /pkg/sentry
parentbd98f820141208d9f19b0e12dee93f6f6de3ac97 (diff)
make connect(2) fail when dest is unreachable
Previously, ICMP destination unreachable datagrams were ignored by TCP endpoints. This caused connect to hang when an intermediate router couldn't find a route to the host. This manifested as a Kokoro error when Docker IPv6 was enabled. The Ruby image test would try to install the sinatra gem and hang indefinitely attempting to use an IPv6 address. Fixes #3079.
Diffstat (limited to 'pkg/sentry')
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