Files
minio/cmd
Feng Ruohang 5e7d603083 fix(pools): evaluate cross-pool PUT conditions against the current object
Multi-pool PUT selected a destination by capacity and evaluated
If-Match/If-None-Match only against that destination's local object
state. An empty or stale destination could accept a stale ETag or
If-None-Match:* while another pool held the current object, replacing
it; a current ETag could instead be rejected with 412 or 404.

Under PUT's existing pools-layer object lock, resolve the comparison
object with objectPoolInfos (including draining pools), treat a latest
delete marker as absence, fail closed on unreadable pool metadata, and
clear an accepted callback before destination dispatch. Replica and
data-movement callbacks keep their addressed-version semantics and
metadata reconciliation.

Reproduced on 40220bd836 and RELEASE.2026-09-03T13-18-01Z with six
signed HTTP scenarios: four defect cases failed, two controls passed.

Refs #199

Signed-off-by: Feng Ruohang <rh@vonng.com>
2026-09-16 08:21:21 +08:00
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