Files
scylladb/service
Avi Kivity 0f967f911d Merge "storage_service: get_token_metadata_ptr to hold on to token_metadata" from Benny
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This series fixes use-after-free via token_metadata&

We may currently get a token_metadata& via get_token_metadata() and
use it across yield points in a couple of sites:
- do_decommission_removenode_with_repair
- get_new_source_ranges

To fix that, get_token_metadata_ptr and hold on to it
across yielding.

Fixes #7790

Dtest: update_cluster_layout_tests:TestUpdateClusterLayout.simple_removenode_2_test(debug)
Test: unit(dev)
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* tag 'storage_service-token_metadata_ptr-v2' of github.com:bhalevy/scylla:
  storage_service: get_new_source_ranges: don't hold token_metadata& across yield point
  storage_service: get_changed_ranges_for_leaving: no need to maybe_yield for each token_range
  storage_service: get_changed_ranges_for_leaving: release token_metadata_ptr sooner
  storage_service: get_changed_ranges_for_leaving: don't hold token_metadata& across yield
2020-12-13 17:37:24 +02:00
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