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sr #107851: Memory leak on interrupted path completion

Submitter:  Enji Cooper <yaneurabeya>
Submitted:  Mon 24 Oct 2011 12:55:40 AM UTC
   
 
Category:  None Priority:  5 - Normal
Severity:  4 - Important Status:  Done
Privacy:  Public Assigned to:  None
Open/Closed:  Open Operating System:  *BSD
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Mon 24 Oct 2011 12:55:40 AM UTC, original submission:  

When doing something like path completion on a directory, then hitting ^C when it says "Display all ... possibilities? (y or n)", or when ^C is entered while the readline completer is building the list of available matches, some or more of the results are leaked.

This is particularly prominent on large directories as I've seen multiple instances of bash eat up over 1GB in resident memory.

This is using both the FreeBSD port version and a git master version I handrolled to try and isolate the issue.

I thought the issue was that closedir wasn't being called in all error cases, because that's there are cookies involved in FreeBSD libc that cleanup after telldir is run, but that doesn't appear to be the sole culprit.

I'm in the process of writing up a repro script which will work on FreeBSD, Linux, and OSX.

Enji Cooper <yaneurabeya>

 

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  • -email is unavailable- added by chet (Updated the item)
  • -email is unavailable- added by yaneurabeya (Submitted the item)
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    Date Changed by Updated Field Previous Value => Replaced by
    2015-11-12 chet StatusNone Done

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