EE - Fix deadlock on thread suspension by GC collection (#115794) #115892
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mangod9
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May 22, 2025
| // To mitigate this issue, when the next link points to itself, de-reference the next link | ||
| // TODO : find which code is responsible for allowing the situation to happen | ||
| if ( psb->m_Link.m_pNext == pLink->m_pNext) | ||
| pLink->m_pNext = NULL; |
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Let's try to investigate the root cause instead of taking this fix as-is since there could be other issues/AVs related to the mangling of the list.
This was referenced May 22, 2025
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Fixed by mitigating the circularity formed in a singly linked list, which is iterated by the EE for suspension when GC is triggered
The issue causes the application to deadlock indefinitely, this PR releases the deadlock
Fix #115794