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JDK-8260426: awt debug_mem.c DMem_AllocateBlock might leak memory #2252

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@MBaesken MBaesken commented Jan 27, 2021

It seems that the function DMem_AllocateBlock (debug_mem.c) has an early return that might lead to memory leaks.
See also the sonar issue Potential leak of memory pointed to by 'header' :


  • Change must not contain extraneous whitespace
  • Commit message must refer to an issue
  • Change must be properly reviewed


  • JDK-8260426: awt debug_mem.c DMem_AllocateBlock might leak memory



$ git fetch pull/2252/head:pull/2252
$ git checkout pull/2252

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@bridgekeeper bridgekeeper bot commented Jan 27, 2021

👋 Welcome back mbaesken! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

@openjdk openjdk bot added the rfr label Jan 27, 2021
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@openjdk openjdk bot commented Jan 27, 2021

@MBaesken The following label will be automatically applied to this pull request:

  • awt

When this pull request is ready to be reviewed, an "RFR" email will be sent to the corresponding mailing list. If you would like to change these labels, use the /label pull request command.

@openjdk openjdk bot added the awt label Jan 27, 2021
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@mlbridge mlbridge bot commented Jan 27, 2021


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@openjdk openjdk bot commented Jan 27, 2021

@MBaesken This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file for details.

After integration, the commit message for the final commit will be:

8260426: awt debug_mem.c DMem_AllocateBlock might leak memory

Reviewed-by: psadhukhan, aivanov

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 16 new commits pushed to the master branch:

  • c52212b: Merge
  • 408772c: 8259025: Record compact constructor using Objects.requireNonNull
  • 81e730e: 8259276: C2: Empty expression stack when reexecuting tableswitch/lookupswitch instructions after deoptimization
  • c5ab7c3: 8260284: C2: assert(_base == Int) failed: Not an Int
  • eb92368: 8259816: Typo in package description
  • 0eed2c3: 8259359: javac does not attribute unexpected super constructor invocation qualifier, and may crash
  • 684c855: 8260524: validate-source fails on test/jdk/jdk/jfr/event/gc/detailed/
  • 311a0a9: 8259808: Add JFR event to detect GC locker stall
  • f353fcf: 8258894: C2: Forbid GCM to move stores into loops
  • ac276bb: 8257074: Update the ByteBuffers micro benchmark
  • ... and 6 more:

As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

@openjdk openjdk bot added the ready label Jan 27, 2021
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@MBaesken MBaesken commented Jan 28, 2021


@openjdk openjdk bot closed this Jan 28, 2021
@openjdk openjdk bot added integrated and removed ready rfr labels Jan 28, 2021
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@openjdk openjdk bot commented Jan 28, 2021

@MBaesken Since your change was applied there have been 21 commits pushed to the master branch:

Your commit was automatically rebased without conflicts.

Pushed as commit 11a70d1.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.

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