JDK-8229366 : JFR backport allows unchecked writing to memory
  • Type: Bug
  • Component: hotspot
  • Sub-Component: jfr
  • Affected Version: openjdk8u-jfr-incubator
  • Priority: P2
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2019-08-09
  • Updated: 2020-04-27
  • Resolved: 2019-08-28
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Other
openjdk8u-jfr-incubator openjdk8u-jfr-incubator
Fixed
Related Reports
Blocks :  
JDK-8223147 - JFR Backport
Relates :  
JDK-8239140 - Backport JFR to OpenJDK 8
Description
The current backport lacks some of the protections offered by the open sourced version of JFR relying on module boundaries for protection. 

For example, jdk.jfr.internal.EventWriter becomes publicly available and allows you direct memory access.
Comments
Replacing jdk8u-fix-request with link to JDK-8239140
17-02-2020
RFC: https://mail.openjdk.java.net/pipermail/jdk8u-dev/2020-January/011063.html
30-01-2020
jdk: https://hg.openjdk.java.net/jdk8u/jdk8u-jfr-incubator/jdk/rev/fabbc7898ee8 hotspot: https://hg.openjdk.java.net/jdk8u/jdk8u-jfr-incubator/hotspot/rev/161ab90e3cae
28-08-2019