Fix: segfault due to use after free in workers thread#1136
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constantind wants to merge 5 commits intoBlizzard:masterfrom
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Fix: segfault due to use after free in workers thread#1136constantind wants to merge 5 commits intoBlizzard:masterfrom
constantind wants to merge 5 commits intoBlizzard:masterfrom
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NodeDisconnect calls worker.WorkComplete() tells V8 persistent callback to be freed, while the thread is still alive, creating use after free segmentation fault. Fixes Blizzard#1057
Collaborator
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Would it be possible to fix this by adding the IsEmpty() check to this if statement instead of |
Author
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Yes, it is better in the worker itself, i will run a test and update |
NodeDisconnect calls worker.WorkComplete() which deletes the callback, while the thread is still alive, creating use after free segmentation fault.
Fix: segfault due to use after free in workers thread
Author
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Reopened new pull request #1138 |
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When NodeDisconnect calls worker.WorkComplete() and Destroy() sets the callback to null, while the thread is stopping or starting in a race, creating "use after free" segmentation fault in the message callback handler on Linux.
Closes: #1057
cc: @GaryWilber