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Fix heap corruption issue #68443. #69106

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Merged
jkotas merged 2 commits into from
May 10, 2022
Merged

Fix heap corruption issue #68443. #69106

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39dde26
Fix heap corruption issue 68443.
PeterSolMS May 10, 2022
39216ae
Merge branch 'main' into Fix_issue_68443
PeterSolMS May 10, 2022
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5 changes: 5 additions & 0 deletions src/coreclr/gc/gc.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -34645,6 +34645,11 @@ void gc_heap::revisit_written_pages (BOOL concurrent_p, BOOL reset_only_p)

if (!reset_only_p)
{
// refetch the high address in case it has changed while we fetched dirty pages
// this is only an issue for the page high_address is on - we may have new
// objects after high_address.
high_address = high_page (seg, concurrent_p);

for (unsigned i = 0; i < bcount; i++)
{
uint8_t* page = (uint8_t*)background_written_addresses[i];
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