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\u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://review.couchbase.org/kv_engine refs/changes/61/93761/1 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://review.couchbase.org/kv_engine refs/changes/61/93761/1 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://review.couchbase.org/kv_engine refs/changes/61/93761/1","Reset To":"git fetch https://review.couchbase.org/kv_engine refs/changes/61/93761/1 \u0026\u0026 git reset --hard FETCH_HEAD"}}},"commit":{"parents":[{"commit":"a09cd0b6f96e1d3428f062d8bceb5e69edc16d41","subject":"MB-29515: Replace SpinLock with std::mutex"}],"author":{"name":"Dave Rigby","email":"daver@couchbase.com","date":"2018-05-04 09:06:28.000000000","tz":60},"committer":{"name":"Dave Rigby","email":"daver@couchbase.com","date":"2018-05-04 09:12:00.000000000","tz":60},"subject":"MB-29522: CouchKVStore::rollback: check return result of readVBState","message":"MB-29522: CouchKVStore::rollback: check return result of readVBState\n\nAs identified by UBSan, CouchKVStore::rollback() doesn\u0027t check the\nreturn value of resdVBState; which can result in it attempting to\nwrite a null local document to the rolled-back vBucket:\n\n    [ RUN      ] CouchKVStoreErrorInjectionTest.readVBState_open_local_document\n    runtime error: null pointer passed as argument 2, which is declared to never be null\n\n    #0 0x7ffff7b5f30a in encode_root couchstore/src/node_types.cc:75\n    #1 0x7ffff7b36033 in db_write_header couchstore/src/couch_db.cc:175\n    #2 0x7ffff7b3f487 in couchstore_commit couchstore/src/couch_db.cc:255\n    #3 0x12c0e6d in CouchKVStore::rollback(unsigned short, unsigned long, std::shared_ptr\u003cRollbackCB\u003e) kv_engine/engines/ep/src/couch-kvstore/couch-kvstore.cc:2674\n    #4 0xd15cc6 in CouchKVStoreErrorInjectionTest_readVBState_open_local_document_Test::TestBody() kv_engine/engines/ep/tests/module_tests/kvstore_test.cc:1030\n\nThe local document is essential to interpreting the vBucket file; so\nif we can\u0027t read it we need to fail the rollback.\n\nChange-Id: I83871de2d4a96197bce17cbc9f1147792795a783\n"},"parents_data":[{"branch_name":"refs/heads/vulcan","commit_id":"a09cd0b6f96e1d3428f062d8bceb5e69edc16d41","is_merged_in_target_branch":true,"change_id":"I04d3b78bc34e2f880690b1b3e341decf8668ad09","change_number":93694,"patch_set_number":2,"change_status":"MERGED"}],"branch":"refs/heads/vulcan"},"acc67a3ab484988ce5d80007b5bc4ce5a457f832":{"kind":"REWORK","_number":2,"created":"2018-05-04 19:38:23.000000000","uploader":{"_account_id":1000002,"name":"Trond 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CouchKVStore::rollback: check return result of readVBState","message":"MB-29522: CouchKVStore::rollback: check return result of readVBState\n\nAs identified by UBSan, CouchKVStore::rollback() doesn\u0027t check the\nreturn value of resdVBState; which can result in it attempting to\nwrite a null local document to the rolled-back vBucket:\n\n    [ RUN      ] CouchKVStoreErrorInjectionTest.readVBState_open_local_document\n    runtime error: null pointer passed as argument 2, which is declared to never be null\n\n    #0 0x7ffff7b5f30a in encode_root couchstore/src/node_types.cc:75\n    #1 0x7ffff7b36033 in db_write_header couchstore/src/couch_db.cc:175\n    #2 0x7ffff7b3f487 in couchstore_commit couchstore/src/couch_db.cc:255\n    #3 0x12c0e6d in CouchKVStore::rollback(unsigned short, unsigned long, std::shared_ptr\u003cRollbackCB\u003e) kv_engine/engines/ep/src/couch-kvstore/couch-kvstore.cc:2674\n    #4 0xd15cc6 in CouchKVStoreErrorInjectionTest_readVBState_open_local_document_Test::TestBody() kv_engine/engines/ep/tests/module_tests/kvstore_test.cc:1030\n\nThe local document is essential to interpreting the vBucket file; so\nif we can\u0027t read it we need to fail the rollback.\n\nChange-Id: I83871de2d4a96197bce17cbc9f1147792795a783\nReviewed-on: http://review.couchbase.org/93761\nTested-by: Build Bot \u003cbuild@couchbase.com\u003e\nReviewed-by: Trond Norbye \u003ctrond.norbye@gmail.com\u003e\n"},"parents_data":[{"branch_name":"refs/heads/vulcan","commit_id":"38ba836040bb2aed2e64b7cfbc35b552e69ecac2","is_merged_in_target_branch":true,"change_id":"I82ba9b959859921062f817f9f8e2c1452cb852e7","change_number":93497,"patch_set_number":9,"change_status":"MERGED"}],"branch":"refs/heads/vulcan"}},"requirements":[],"submit_records":[],"submit_requirements":[]}