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Require CBlockIndex::GetUndoPos() to hold mutex cs_main

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This commit is contained in:
Jon Atack
2021-09-09 18:48:22 +02:00
parent 2e557ced28
commit 572393448b
2 changed files with 4 additions and 2 deletions
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3
src/node/blockstorage.cpp
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@@ -513,7 +513,8 @@ static bool UndoWriteToDisk(const CBlockUndo& blockundo, FlatFilePos& pos, const
bool UndoReadFromDisk(CBlockUndo& blockundo, const CBlockIndex* pindex)
{
FlatFilePos pos = pindex->GetUndoPos();
const FlatFilePos pos{WITH_LOCK(::cs_main, return pindex->GetUndoPos())};
if (pos.IsNull()) {
return error("%s: no undo data available", __func__);
}