Jihyeon Gim 34a3e4152e rdma: pin session strings passed to the RC cgo ABI ...

The Prepare and ReadyTransfer wrappers embed string views built from
Go heap strings inside request structs passed to C by pointer. The
cgo pointer check rejects such requests when the string data is an
unpinned Go heap pointer, so any live PREPARE or READY call with
header-derived strings panicked at the call boundary and the route
returned a 500. Constant strings passed the check because their data
lives in read-only static storage, which is why standalone callers
kept working while the gateway did not.

Pin the string bytes with runtime.Pinner for the duration of the cgo
call and drop the now redundant KeepAlive calls in those two
wrappers. The other string-taking wrappers pass rc_str_in by value
and are unaffected.

Also add a deviceless cgo boundary regression test that calls the
real Prepare wrapper with heap-backed interior-pointer strings and an
invalid opcode, so C returns from argument validation before the
server handle is touched.

2026-09-05 21:59:00 +09:00

..

rcserver_cgo_linux_test.go

rdma: pin session strings passed to the RC cgo ABI

2026-09-05 21:59:00 +09:00

rcserver_linux.go

rdma: pin session strings passed to the RC cgo ABI

2026-09-05 21:59:00 +09:00

rcserver_stub.go

rdma: add a log callback ABI to the RC data plane

2026-09-05 19:46:00 +09:00