Larson gave me a profile that can consistently crash windows chrome
(beta). I haven't tried loading the profile myself but we have crash
dumps from it.

It crashes in:

0x69db6e5d       [chrome.dll     - fts2.c:453]   getVarint       <--- access
violation at 0x0
0x69db6ef0       [chrome.dll     - fts2.c:468]   getVarint32
0x69dbacbf       [chrome.dll     - fts2.c:5078]  leavesReaderDataBytes
0x69dbb1d7       [chrome.dll     - fts2.c:5407]  segmentMerge
0x69dbb0f9       [chrome.dll     - fts2.c:5359]  segdirNextIndex
0x69dbba45       [chrome.dll     - fts2.c:5932]  writeZeroSegment
0x69dbbbf5       [chrome.dll     - fts2.c:5966]  flushPendingTerms
0x69dbbc3c       [chrome.dll     - fts2.c:5984]  initPendingTerms
0x69dba135       [chrome.dll     - fts2.c:4050]  index_delete
0x69dbbca4       [chrome.dll     - fts2.c:6005]  fulltextUpdate
0x69dc284a       [chrome.dll     - vdbe.c:4945]  sqlite3VdbeExec
0x69da170f       [chrome.dll     - vdbeapi.c:476]        sqlite3Step
0x69da1856       [chrome.dll     - vdbeapi.c:544]        sqlite3_step
0x6a09c1ab       [chrome.dll     - text_database.cc:290]
history::TextDatabase::DeletePageData(..)
0x6a07d145       [chrome.dll     - text_database_manager.cc:338]
history::TextDatabaseManager::DeletePageData(...)
0x6a081c4a       [chrome.dll     - expire_history_backend.cc:366]
history::ExpireHistoryBackend::DeleteVisitRelatedInfo(..);
0x6a082496       [chrome.dll     - expire_history_backend.cc:592]
history::ExpireHistoryBackend::ArchiveSomeOldHistory(..)
0x6a0822fa       [chrome.dll     - expire_history_backend.cc:553]
history::ExpireHistoryBackend::DoArchiveIteration()
0x69ee8de1       [chrome.dll     - message_loop.cc:313]  MessageLoop::RunTask
(Task *)

The novel part is that sqlite can detect corruption:

D:\test>sqlite3.exe "zzz\User Data\Default\History Index 2009-09"
SQLite version 3.6.17
sqlite> PRAGMA integrity_check;
wrong # of entries in index info_time


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