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(0.43) Initialize recycled continuations in createContinuation before usage #18658

Merged
merged 1 commit into from
Dec 19, 2023
Merged

(0.43) Initialize recycled continuations in createContinuation before usage #18658

merged 1 commit into from
Dec 19, 2023

Commits on Dec 19, 2023

  1. Initialize recycled continuations in createContinuation before usage 

    Currently, recycled continuations are reset and initialized in
freeContinuation at the end of their use. There are also gaps where
the recycled continuation might retain old values and not be properly
reset.

The above approach leads to corruption and segfaults as seen in
the runJavaThread failure reported in eclipse-openj9#16728.

To fix the above crash, all continuations (new and recycled) are
initialized and reset in createContinuation just before the
continuation begins execution.

Related: eclipse-openj9#16728

Signed-off-by: Babneet Singh <sbabneet@ca.ibm.com>
    @babsingh
    babsingh committed Dec 19, 2023
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