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authorArthur Sfez <asfez@google.com>2021-09-21 16:09:58 -0700
committergVisor bot <gvisor-bot@google.com>2021-09-21 16:13:18 -0700
commitc633a7f9d1c15c8f1639a95809d875576ac7707f (patch)
treecc4fcc8907d982225664616470e4f04905797c37 /pkg/safecopy/sighandler_arm64.s
parentc485602ded3982f8fd1078e34a4b298879f1807e (diff)
Deliver endpoints to the accept queue synchronously when possible
Before this change, when a new connection was created after receiving an ACK that matched a SYN-cookie, it was always delivered asynchronously to the accept queue. There was a chance that the listening endpoint would process a SYN from another client before the delivery happened, and the listening endpoint would not know yet that the queue was about to be full, once the delivery happened. Now, when an ACK matching a SYN-cookie is received, the new endpoint is created and moved to the accept queue synchronously, while holding the accept lock. Fixes #6545 PiperOrigin-RevId: 398107254
Diffstat (limited to 'pkg/safecopy/sighandler_arm64.s')
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