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7429e8912a
This fixes a bug that was introduced in #11258 where the handling of the per-client limit didn't properly account for the fact that the gVisor TCP forwarder will return 'true' to indicate that it's handled a duplicate SYN packet, but not launch the handler goroutine. In such a case, we neither decremented our per-client limit in the wrapper function, nor did we do so in the handler function, leading to our per-client limit table slowly filling up without bound. Fix this by doing the same duplicate-tracking logic that the TCP forwarder does so we can detect such cases and appropriately decrement our in-flight counter. Updates tailscale/corp#12184 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: Ib6011a71d382a10d68c0802593f34b8153d06892 |
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| netstack_linux.go | ||
| netstack_test.go | ||
| netstack.go | ||
| subnet_router_wrapper.go | ||