[NVBug 5969206][draft] Subset of PR 13056 cherry-picked onto 4e69c14f73 (rc11 base) — 15 C++/Python fixes - #13301

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yifjiang wants to merge 16 commits into

NVIDIA:mainfrom

yifjiang:pr13056-subset-on-4e69c14

Commits on Apr 21, 2026

[NVBug 5969206][fix] Enforce kv_transfer_timeout_ms on prefill sender + guard against dangling pointers

yifjiang
and
claude
committed
a319775
[NVBug 5969206][fix] Report timed-out transfers to Python for full cleanup

yifjiang
and
claude
committed
a3bce0c
[NVBug 5969206][fix] Apply kv_transfer_timeout_ms in blockAll mode
yifjiang
committed
a8c27a4
[NVBug 5969206][fix] Close remaining UAF paths and enforce gen-side deadline
yifjiang
committed
43b5180
[NVBug 5969206][fix] Hoist kv_transfer_timeout_ms check above readiness gate
yifjiang
committed
3d0a6d1
[NVBug 5969206][fix] Release receiver resources when gen-side deadline evicts
yifjiang
committed
6bb116d
[NVBug 5969206][fix] sendRequestInfo / receiveReadySignal / data-phase send honor perRequestCancel
yifjiang
committed
62c5d24
[NVBug 5969206][fix] Sender-side in-flight cancel parity + notifySyncMessage pre-notify check
yifjiang
committed
7e8016a
[NVBug 5969206][fix] Tie sender cancel-flag lifetime to session + port catch(...) to sender worker
yifjiang
committed
e7fcbab
[NVBug 5969206][fix] Bound assignBufferIndex CV wait + plumb cancel + diagnostic [buf] logs
yifjiang
committed
2860ac5
[NVBug 5969206][fix] RAII BufferIndexHolder for requestSync — stop leaking pool slots on non-happy exits
yifjiang
committed
39f5452
[NVBug 5969206][fix] RAII BufferIndexHolder on sender formatters + reqId-tagged [buf] logs
yifjiang
committed
cfbb97d
[NVBug 5969206][fix] Send-side RAII: atomic release(), cancel parity, FUTURE_WAIT/JOIN diagnostics
yifjiang
committed
b34dd60
[NVBug 5969206][fix] Carry std::shared_ptr<LlmRequest> through transceiver — close UAF, remove Path A/B guards, unwedge KV block leak
yifjiang
committed
165bcad
[NVBug 5969206][fix] Harden drain worker loop against non-std::exception escapes
yifjiang
committed
9c0e0cb

Commits on Apr 22, 2026

[NVBug 5969206][fix] Re-add is_disagg_context_complete_state guard dropped during d7844fc6f8 cherry-pick conflict resolution on the 4e69c14 base
yifjiang
committed
369d944

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[NVBug 5969206][draft] Subset of PR 13056 cherry-picked onto 4e69c14f73 (rc11 base) — 15 C++/Python fixes - #13301

[NVBug 5969206][draft] Subset of PR 13056 cherry-picked onto 4e69c14f73 (rc11 base) — 15 C++/Python fixes#13301
yifjiang wants to merge 16 commits into
NVIDIA:mainfrom
yifjiang:pr13056-subset-on-4e69c14

Commits on Apr 21, 2026

[NVBug 5969206][fix] Enforce kv_transfer_timeout_ms on prefill sender + guard against dangling pointers

[NVBug 5969206][fix] Report timed-out transfers to Python for full cleanup

[NVBug 5969206][fix] Apply kv_transfer_timeout_ms in blockAll mode

[NVBug 5969206][fix] Close remaining UAF paths and enforce gen-side deadline

[NVBug 5969206][fix] Hoist kv_transfer_timeout_ms check above readiness gate

[NVBug 5969206][fix] Release receiver resources when gen-side deadline evicts

[NVBug 5969206][fix] sendRequestInfo / receiveReadySignal / data-phase send honor perRequestCancel

[NVBug 5969206][fix] Sender-side in-flight cancel parity + notifySyncMessage pre-notify check

[NVBug 5969206][fix] Tie sender cancel-flag lifetime to session + port catch(...) to sender worker

[NVBug 5969206][fix] Bound assignBufferIndex CV wait + plumb cancel + diagnostic [buf] logs

[NVBug 5969206][fix] RAII BufferIndexHolder for requestSync — stop leaking pool slots on non-happy exits

[NVBug 5969206][fix] RAII BufferIndexHolder on sender formatters + reqId-tagged [buf] logs

[NVBug 5969206][fix] Send-side RAII: atomic release(), cancel parity, FUTURE_WAIT/JOIN diagnostics

[NVBug 5969206][fix] Carry std::shared_ptr<LlmRequest> through transceiver — close UAF, remove Path A/B guards, unwedge KV block leak

[NVBug 5969206][fix] Harden drain worker loop against non-std::exception escapes

Commits on Apr 22, 2026

[NVBug 5969206][fix] Re-add is_disagg_context_complete_state guard dropped during d7844fc6f8 cherry-pick conflict resolution on the 4e69c14 base