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Don't go out of bounds on missingEvents

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Neil Alexander 2022-02-10 09:48:39 +00:00
parent 797c6d4ff3
commit a9190b328d
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GPG key ID: A02A2019A2BB0944
1 changed files with 3 additions and 3 deletions
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6
roomserver/internal/input/input_missing.go
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@ -511,9 +511,9 @@ func (t *missingStateReq) getMissingEvents(ctx context.Context, e *gomatrixserve
// Make sure events from the missingResp are using the cache - missing events // Make sure events from the missingResp are using the cache - missing events
// will be added and duplicates will be removed. // will be added and duplicates will be removed.
logger.Debugf("get_missing_events returned %d events", len(missingResp.Events)) logger.Debugf("get_missing_events returned %d events", len(missingResp.Events))
missingEvents := make([]*gomatrixserverlib.Event, len(missingResp.Events)) missingEvents := make([]*gomatrixserverlib.Event, 0, len(missingResp.Events))
for i, ev := range missingResp.Events.UntrustedEvents(roomVersion) { for _, ev := range missingResp.Events.UntrustedEvents(roomVersion) {
missingEvents[i] = t.cacheAndReturn(ev.Headered(roomVersion)).Unwrap() missingEvents = append(missingEvents, t.cacheAndReturn(ev.Headered(roomVersion)).Unwrap())
} }
// topologically sort and sanity check that we are making forward progress // topologically sort and sanity check that we are making forward progress