Request for review: 8004495: [parfait] False positive Buffer overflow in hotspot/src/os/linux/vm/os_linux.cpp

harold seigel harold.seigel at
Tue Feb 19 10:29:52 PST 2013

Hi Mikael,

Thanks for the review.

I don't know what happens if the latest/greatest JDK is run on an old 
Linux kernel.  Perhaps it would complain about missing or mismatched 
shared libraries during activation?


On 2/19/2013 11:58 AM, Mikael Vidstedt wrote:
> Looks good, thanks for fixing!
> Do you happen to know what happens if one happens to run the 
> latest/greatest JDK version on an old Linux kernel?
> Cheers,
> Mikael
> On 2013-02-19 07:19, harold seigel wrote:
>> Hi,
>> Please review the following change.
>> Summary: This is a parfait bug concerning a possible buffer overflow 
>> when using '%s' in fscanf().  However, the entire block of code 
>> containing the fscanf() is for older versions of Linux that are no 
>> longer supported.  So, the block of code can just be deleted.
>> Open webrev: 
>> <>
>> Bug link at:
>> The changes were tested with JPRT, JCK Lang and VM tests, UTE tests, 
>> and with JTREG tests.  Also, the api/javax_management tests were run 
>> with the UseLinuxPoisxThreadCPUClocks flag explicitly turned on and off.
>> Thanks!  Harold

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