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* Fix guest TCP recv() stalling under concurrent traffic v86's fake_network stores TCPConnection routing fields (hsrc/hdest/ psrc/pdest) as zero-copy subarrays of the SYN frame, which is itself a view into the NE2000 TX ring. Win95's driver uses a 12-slot ring; once it wraps (any concurrent SMB/NBNS/ping while waiting for an upstream reply), pump() emits segments with whatever IP now occupies that slot, the guest RSTs them, and recv() blocks forever. - libv86.js: copy the four address arrays at TCPConnection construction (matches felixrieseberg/v86@dd13099c on fake-network-copy-tcp-addrs, now merged into windows95-base) - tools/probe-tcp.sh + net/tcp-trace.ts + tcp-relay.ts test stub + debug-harness WIN95_PROBE_RUN2: end-to-end regression harness (boot → ping -t → telnet → async write after ring wrap → assert ACK). All env-gated, no production-path change. - docs/v86-patches.md: tracker for all fork patches + upstream PR state - update-v86 SKILL.md: cross-link and new fork-branch entry * Drop checked-in upstream PR description Belongs on the GitHub PR, not in the repo.