backport: Merge bitcoin#28486, 28969, 27921, 27177, 26331#7187

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vijaydasmp wants to merge 5 commits intodashpay:developfrom

vijaydasmp:March_2026_2

Commits on Mar 17, 2026

Merge bitcoin/bitcoin#28486: test, bench: Initialize and terminate use of Winsock properly

fanquake
authored and
vijaydasmp
committed
Merge bitcoin/bitcoin#28969: fuzz: Avoid signed-integer-overflow in wallet_notifications fuzz target

fanquake
authored and
vijaydasmp
committed
Merge bitcoin/bitcoin#27921: fuzz: Avoid OOM in transaction fuzz target

fanquake
authored and
vijaydasmp
committed
Merge bitcoin/bitcoin#27177: test: fix intermittent issue in `feature_bip68_sequence`

achow101
authored and
vijaydasmp
committed
Merge bitcoin/bitcoin#26331: Implement `CCoinsViewErrorCatcher::HaveCoin` and check disk space periodically

achow101
authored and
vijaydasmp
committed