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CDC may panic if subscribe the region between the key rollback and prewrite entry #19048

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#19047
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CDC may panic if subscribe the region between the key rollback and prewrite entry#19048
#19047
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affects-8.5This bug affects the 8.5.x(LTS) versions.affects-9.0This bug affects the 9.0.x versions.component/CDCComponent: Change Data Captureimpact/panicseverity/majortype/bugThe issue is confirmed as a bug.
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opened on Oct 11, 2025

Bug Report

ref #18498

This is not happend in reality, but after analyze the code, I think this may happen theoretically If the region is subscribed between the key rollback and prewrite.

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    affects-8.5This bug affects the 8.5.x(LTS) versions.affects-9.0This bug affects the 9.0.x versions.component/CDCComponent: Change Data Captureimpact/panicseverity/majortype/bugThe issue is confirmed as a bug.

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